Ares Voting LLC

SEC source: 0001209191-21-067576 · doc4.xml · derivative · entry 4

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,829,639

Underlying: Class A Common Stock · 250,901 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.exercise_price: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 30, 2021, 250,901 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 250,901 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 29, 2021 and 250,901 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 30, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 30, 2021, 250,901 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 250,901 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 29, 2021 and 250,901 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 30, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · derivative.exercise_date: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.exercise_date: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 30, 2021, 250,901 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 250,901 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 29, 2021 and 250,901 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 30, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · derivative.expiration_date: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.expiration_date: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 30, 2021, 250,901 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 250,901 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 29, 2021 and 250,901 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 30, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 10,705,760 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,123,879 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 10,705,760 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,123,879 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-067576 · doc4.xml · nonDerivative · entry 3

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 30, 2021, 250,901 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 250,901 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 29, 2021 and 250,901 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 30, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 10,705,760 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,123,879 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 10,705,760 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,123,879 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-067576 · doc4.xml · nonDerivative · entry 2

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 250,901

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 30, 2021, 250,901 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 250,901 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 29, 2021 and 250,901 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 30, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 10,705,760 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,123,879 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 10,705,760 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,123,879 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-067576 · doc4.xml · nonDerivative · entry 1

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,829,639

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 30, 2021, 250,901 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 250,901 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 29, 2021 and 250,901 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 30, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 10,705,760 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,123,879 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 10,705,760 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,123,879 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-066755 · doc4.xml · derivative · entry 4

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,080,540

Underlying: Class A Common Stock · 1,055,909 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.exercise_price: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 23, 2021, 1,055,909 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 1,055,909 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 22, 2021 and 1,055,909 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 23, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 23, 2021, 1,055,909 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 1,055,909 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 22, 2021 and 1,055,909 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 23, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · derivative.exercise_date: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.exercise_date: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 23, 2021, 1,055,909 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 1,055,909 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 22, 2021 and 1,055,909 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 23, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · derivative.expiration_date: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.expiration_date: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 23, 2021, 1,055,909 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 1,055,909 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 22, 2021 and 1,055,909 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 23, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 10,841,218 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,239,322 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 10,841,218 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,239,322 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-066755 · doc4.xml · nonDerivative · entry 3

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 23, 2021, 1,055,909 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 1,055,909 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 22, 2021 and 1,055,909 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 23, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 10,841,218 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,239,322 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 10,841,218 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,239,322 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-066755 · doc4.xml · nonDerivative · entry 2

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,055,909

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 23, 2021, 1,055,909 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 1,055,909 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 22, 2021 and 1,055,909 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 23, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 10,841,218 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,239,322 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 10,841,218 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,239,322 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-066755 · doc4.xml · nonDerivative · entry 1

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,080,540

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 23, 2021, 1,055,909 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 1,055,909 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 22, 2021 and 1,055,909 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 23, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 10,841,218 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,239,322 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 10,841,218 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,239,322 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-065519 · doc4.xml · derivative · entry 4

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,136,449

Underlying: Class A Common Stock · 83,141 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.exercise_price: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 16, 2021, 83,141 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 83,141 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 15, 2021 and 83,141 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 16, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 16, 2021, 83,141 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 83,141 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 15, 2021 and 83,141 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 16, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · derivative.exercise_date: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.exercise_date: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 16, 2021, 83,141 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 83,141 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 15, 2021 and 83,141 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 16, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · derivative.expiration_date: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.expiration_date: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 16, 2021, 83,141 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 83,141 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 15, 2021 and 83,141 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 16, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 11,411,290 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,725,159 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 11,411,290 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,725,159 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-065519 · doc4.xml · nonDerivative · entry 3

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 16, 2021, 83,141 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 83,141 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 15, 2021 and 83,141 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 16, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 11,411,290 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,725,159 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 11,411,290 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,725,159 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-065519 · doc4.xml · nonDerivative · entry 2

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,141

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 16, 2021, 83,141 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 83,141 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 15, 2021 and 83,141 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 16, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 11,411,290 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,725,159 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 11,411,290 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,725,159 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-065519 · doc4.xml · nonDerivative · entry 1

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,136,449

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 16, 2021, 83,141 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 83,141 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 15, 2021 and 83,141 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 16, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 11,411,290 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,725,159 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 11,411,290 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,725,159 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

F7 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

SEC source: 0001209191-21-064511 · doc4.xml · derivative · entry 4

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,219,590

Underlying: Class A Common Stock · 480,802 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.exercise_price: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 10, 2021, 480,802 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 480,802 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 8, 2021 and 480,802 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 10, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 10, 2021, 480,802 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 480,802 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 8, 2021 and 480,802 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 10, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · derivative.exercise_date: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.exercise_date: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 10, 2021, 480,802 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 480,802 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 8, 2021 and 480,802 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 10, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F1 · derivative.expiration_date: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · derivative.expiration_date: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 10, 2021, 480,802 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 480,802 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 8, 2021 and 480,802 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 10, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 11,456,176 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,763,414 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 11,456,176 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,763,414 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

F7 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

SEC source: 0001209191-21-064511 · doc4.xml · nonDerivative · entry 3

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 10, 2021, 480,802 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 480,802 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 8, 2021 and 480,802 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 10, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 11,456,176 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,763,414 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 11,456,176 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,763,414 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

F7 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

SEC source: 0001209191-21-064511 · doc4.xml · nonDerivative · entry 2

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 480,802

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 10, 2021, 480,802 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 480,802 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 8, 2021 and 480,802 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 10, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 11,456,176 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,763,414 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 11,456,176 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,763,414 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

F7 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

SEC source: 0001209191-21-064511 · doc4.xml · nonDerivative · entry 1

Aria Renewable Energy Systems LLC · CIK 0001881619 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,219,590

F1 · kind: On November 3, 2021, Aria Renewable Energy Systems LLC ("Aria RES"), Archaea Energy Inc. (the "Issuer") and LFG Acquisition Holdings LLC, a subsidiary of the Issuer ("OpCo"), entered into a Share Repurchase Agreement (the "Share Repurchase Agreement") pursuant to which, subject to certain conditions, the Issuer agreed to repurchase from Aria RES and Aria RES agreed to sell to the Issuer on a weekly basis during the period beginning on November 3, 2021 and ending on the date that is one week after the date on which the Issuer has received all cash payments from exercises of certain redeemable warrants, the number of shares of the Issuer's Class A Common Stock, par value $0.0001 per share ("Class A Common Stock"), equal to all cash received by the Issuer from such warrant redemptions during the preceding calendar week (and with respect to the first week, any cash received from such warrant redemptions prior to the immediately preceding calendar week) (continued in next footnote)

F2 · kind: divided by $17.65 (rounded down to the nearest whole number). In accordance with the terms of the Share Repurchase Agreement, on November 10, 2021, 480,802 OpCo Class A Units held by Aria RES were redeemed on a one-for-one basis for 480,802 shares of Class A Common Stock (the "Repurchased Shares") pursuant to a Redemption Notice from Aria RES dated November 8, 2021 and 480,802 shares of the Issuer's Class B common stock, par value $0.0001 per share, held by Aria RES were surrendered to the Issuer and canceled. On November 10, 2021, the Issuer purchased the Repurchased Shares from Aria RES at a price of $17.65 per share. The sale of the Repurchased Shares to the Issuer is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") in reliance on Rule 16b-3(e).

F3 · ownership.direct: These shares are directly held by Aria RES. The Reporting Persons may be deemed to beneficially own, these shares by reason of the direct or indirect beneficial ownership of such shares, except as follows: (i) United States Power Fund III, L.P. ("USP Fund III") may be deemed to beneficially own 11,456,176 of these shares, (ii) EIF United States Power Fund IV, L.P. ("EIF USP Fund IV") may be deemed to beneficially own 9,763,414 of these shares, (iii) EIF US Power III, LLC may be deemed to beneficially own 11,456,176 of these shares, and (iv) EIF US Power IV, LLC may be deemed to beneficially own 9,763,414 of these shares.

F4 · ownership.direct: This statement is being filed jointly by (i) Aria RES, (ii) USP Fund III, (iii) EIF USP Fund IV (together with USP Fund III, the "Ares Funds"), (iv) EIF US Power III, LLC, (v) EIF US Power IV, LLC, (vi) Ares EIF Management LLC, (vii) Ares Management LLC, (viii) Ares Management Holdings L.P. ("Ares Management Holdings"), (ix) Ares Holdco LLC ("Ares Holdco"), (x) Ares Management Corp. ("Ares Management"), (xi) Ares Management GP LLC ("Ares Management GP"), (xii) Ares Voting LLC ("Ares Voting"), and (xiii) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F5 · ownership.direct: Aria RES is indirectly controlled by the Ares Funds. The general partner of USP Fund III is EIF US Power III, LLC, and the managing member of EIF US Power III, LLC is Ares EIF Management LLC. The general partner of EIF USP Fund IV is EIF US Power IV, LLC, and the managing member of EIF US Power IV, LLC is Ares EIF Management LLC. The sole member of Ares EIF Management LLC is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of Class B common stock, $0.01 par value per share, of Ares Management and Ares Voting is the sole holder of Class C common stock, $0.01 par value per share, of Ares Management. (continued in next footnote)

F6 · ownership.direct: Each of the Ares Entities (other than Aria RES with respect to the shares held directly), and the Board Members, and the other directors, officers, partners, stockholders, member and managers of the Ares Entities, expressly disclaims beneficial ownership of any equity securities of the Issuer, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Exchange Act, or for any other purposes.

F7 · ownership.direct: Pursuant to Ares Management's Certificate of Incorporation, the holders of Ares Management's Class B common stock and Class C common stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners (together with Aria RES, the Ares Funds, EIF US Power III, LLC, EIF US Power IV, LLC, Ares EIF Management LLC, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP and Ares Voting, the "Ares Entities"). Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions.

SEC source: 0001104659-21-123103 · tm2129191-2_4seq1.xml · derivative · entry 4

ARES MANAGEMENT LLC · CIK 0001259313 · Director · 10% owner

Ares Management Corp · CIK 0001176948 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · Director · 10% owner

Ares Holdco LLC · CIK 0001669983 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Holdings I, L.P.

Disclosed balance after: 4,327,322

Underlying: Common Stock, $0.0001 par value per share · 3,420,236 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Reflects the cashless exercise of non-voting pre-funded warrants (the "Pre-Funded Warrants") held by ASOF Holdings I, L.P. ("ASOF") into shares of the Issuer's common stock.

F1 · kind: Reflects the cashless exercise of non-voting pre-funded warrants (the "Pre-Funded Warrants") held by ASOF Holdings I, L.P. ("ASOF") into shares of the Issuer's common stock.

F1 · price: Reflects the cashless exercise of non-voting pre-funded warrants (the "Pre-Funded Warrants") held by ASOF Holdings I, L.P. ("ASOF") into shares of the Issuer's common stock.

F7 · derivative.expiration_date: The Pre-Funded Warrants do not expire.

F2 · ownership.direct: This statement is being filed jointly by (i) Ares Special Situations Fund IV, L.P. ("ASSF IV"), (ii) ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), (iii) ASOF, (iv) ASOF Investment Management LLC ("ASOF Investment Management"), (v) Ares Management LLC, (vi) Ares Management Holdings L.P. ("Ares Management Holdings"), (vii) Ares Holdco LLC ("Ares Holdco"), (viii) Ares Management Corporation ("Ares Management"), (ix) Ares Voting LLC ("Ares Voting"), (x) Ares Management GP LLC ("Ares Management GP") and (xi) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). This Form 4 is being filed in two parts due to the number of Reporting Persons. Both filings relate to the same transactions described above.

F3 · ownership.direct: The manager of ASSF IV is ASSF Operating Manager IV, and the general partner of ASSF Operating Manager IV is Ares Management LLC. The manager of ASOF is ASOF Investment Management, and the sole member of ASOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. (continued in next footnote)

F4 · ownership.direct: Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). Pursuant to Ares Management's Certificate of Incorporation in effect as of the date of this Form 4, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. (continued in next footnote)

F5 · ownership.direct: Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purposes.

SEC source: 0001104659-21-123103 · tm2129191-2_4seq1.xml · nonDerivative · entry 1

ARES MANAGEMENT LLC · CIK 0001259313 · Director · 10% owner

Ares Management Corp · CIK 0001176948 · Director · 10% owner

Ares Voting LLC · CIK 0001761656 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · Director · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · Director · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · Director · 10% owner

Ares Holdco LLC · CIK 0001669983 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Holdings I, L.P.

Disclosed balance after: 11,554,630

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Reflects the cashless exercise of non-voting pre-funded warrants (the "Pre-Funded Warrants") held by ASOF Holdings I, L.P. ("ASOF") into shares of the Issuer's common stock.

F1 · price: Reflects the cashless exercise of non-voting pre-funded warrants (the "Pre-Funded Warrants") held by ASOF Holdings I, L.P. ("ASOF") into shares of the Issuer's common stock.

F2 · ownership.direct: This statement is being filed jointly by (i) Ares Special Situations Fund IV, L.P. ("ASSF IV"), (ii) ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), (iii) ASOF, (iv) ASOF Investment Management LLC ("ASOF Investment Management"), (v) Ares Management LLC, (vi) Ares Management Holdings L.P. ("Ares Management Holdings"), (vii) Ares Holdco LLC ("Ares Holdco"), (viii) Ares Management Corporation ("Ares Management"), (ix) Ares Voting LLC ("Ares Voting"), (x) Ares Management GP LLC ("Ares Management GP") and (xi) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). This Form 4 is being filed in two parts due to the number of Reporting Persons. Both filings relate to the same transactions described above.

F3 · ownership.direct: The manager of ASSF IV is ASSF Operating Manager IV, and the general partner of ASSF Operating Manager IV is Ares Management LLC. The manager of ASOF is ASOF Investment Management, and the sole member of ASOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. (continued in next footnote)

F4 · ownership.direct: Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). Pursuant to Ares Management's Certificate of Incorporation in effect as of the date of this Form 4, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. (continued in next footnote)

F5 · ownership.direct: Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 23

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ACOF VI Frontier AIV B1, L.P.

Disclosed balance after: 15,068,130

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 22

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · ACOF VI Frontier AIV A10, L.P.

Disclosed balance after: 90,268

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 21

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · ACOF VI Frontier AIV A9, L.P.

Disclosed balance after: 285,466

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 20

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · ACOF VI Frontier AIV A8, L.P.

Disclosed balance after: 303,979

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 19

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · ACOF VI Frontier AIV A7, L.P.

Disclosed balance after: 302,616

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 18

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · ACOF VI Frontier AIV A6, L.P.

Disclosed balance after: 167,219

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 17

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · ACOF VI Frontier AIV A5, L.P.

Disclosed balance after: 298,604

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 16

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · ACOF VI Frontier AIV A4, L.P.

Disclosed balance after: 271,730

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 15

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · ACOF VI Frontier AIV A3, L.P.

Disclosed balance after: 20,902

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 14

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · ACOF VI Frontier AIV A2, L.P.

Disclosed balance after: 89,581

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 13

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · ACOF VI Frontier AIV A1, L.P.

Disclosed balance after: 249,805

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 12

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV B1, L.P.

Disclosed balance after: 9,597,579

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 11

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A11, L.P.

Disclosed balance after: 245,236

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 10

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A10, L.P.

Disclosed balance after: 259,665

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 9

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A9, L.P.

Disclosed balance after: 360,644

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 8

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A8, L.P.

Disclosed balance after: 238,026

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 7

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A7, L.P.

Disclosed balance after: 289,417

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 6

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A6, L.P.

Disclosed balance after: 292,124

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 5

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A5, L.P.

Disclosed balance after: 167,160

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 4

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A4, L.P.

Disclosed balance after: 281,844

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 3

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A3, L.P.

Disclosed balance after: 830,837

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 2

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A2, L.P.

Disclosed balance after: 18,032

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-120395 · tm2128492-4_4seq1.xml · nonDerivative · entry 1

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

ASOF Investment Management LLC · CIK 0001793548 · 10% owner

ASSF Operating Manager IV, L.P. · CIK 0001683967 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Frontier AIV A1, L.P.

Disclosed balance after: 105,592

F1 · kind: These transactions reflect inter-fund transfers (the "Transfers") of shares of the Issuer's Common Stock from one Ares Direct Holder (as defined below) to another Ares Direct Holder in connection with an internal rebalancing of such Ares Direct Holders' holdings of Common Stock. Each Transfer occurred at the same time and at the same price.

F2 · balance_after: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · balance_after: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · balance_after: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · balance_after: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · balance_after: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · balance_after: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · balance_after: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · balance_after: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · balance_after: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · balance_after: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

F2 · ownership.nature: This statement is being filed by ACOF VI Frontier AIV A1, L.P. ("ACOF VI Frontier AIV A1"), ACOF VI Frontier AIV A2, L.P. ("ACOF VI Frontier AIV A2"), ACOF VI Frontier AIV A3, L.P. ("ACOF VI Frontier AIV A3"), ACOF VI Frontier AIV A4, L.P. ("ACOF VI Frontier AIV A4"), ACOF VI Frontier AIV A5, L.P. ("ACOF VI Frontier AIV A5"), ACOF VI Frontier AIV A6, L.P. ("ACOF VI Frontier AIV A6"), ACOF VI Frontier AIV A7, L.P. ("ACOF VI Frontier AIV A7"), ACOF VI Frontier AIV A8, L.P. ("ACOF VI Frontier AIV A8"), ACOF VI Frontier AIV A9, L.P. ("ACOF VI Frontier AIV A9"), ACOF VI Frontier AIV A10, L.P. ("ACOF VI Frontier AIV A10"), and ACOF VI Frontier AIV B1, L.P. ("ACOF VI Frontier AIV B1", together with the foregoing entities, the "ACOF Funds"), (continued in next footnote)

F3 · ownership.nature: ASOF Frontier AIV A1, L.P. ("ASOF Frontier AIV A1"), ASOF Frontier AIV A2, L.P. ("ASOF Frontier AIV A2"), ASOF Frontier AIV A3, L.P. ("ASOF Frontier AIV A3"), ASOF Frontier AIV A4, L.P. ("ASOF Frontier AIV A4"), ASOF Frontier AIV A5, L.P. ("ASOF Frontier AIV A5"), ASOF Frontier AIV A6, L.P. ("ASOF Frontier AIV A6"), ASOF Frontier AIV A7, L.P. ("ASOF Frontier AIV A7"), ASOF Frontier AIV A8, L.P. ("ASOF Frontier AIV A8"), ASOF Frontier AIV A9, L.P. ("ASOF Frontier AIV A9"), (continued in next footnote)

F4 · ownership.nature: and ASOF Frontier AIV A10, L.P. ("ASOF Frontier AIV A10"), ASOF Frontier AIV A11, L.P. ("ASOF Frontier AIV A11"), and ASOF Frontier AIV B1, L.P. ("ASOF Frontier AIV B1", together with ASOF Frontier AIV A1, ASOF Frontier AIV A2, ASOF Frontier AIV A3, ASOF Frontier AIV A4, ASOF Frontier AIV A5, ASOF Frontier AIV A6, ASOF Frontier AIV A7, ASOF Frontier AIV A8, ASOF Frontier AIV A9, ASOF Frontier AIV A10, and ASOF Frontier AIV A11, the "ASOF Funds"), ASSF IV AIV B Holdings III, L.P. ("ASSF IV AIV B Holdings III"), ASSF IV AIV B, L.P. ("ASSF IV AIV B", and together with ASSF IV AIV B Holdings III, the "ASSF Funds", and together with the ACOF Funds, and the ASOF Funds, the "Ares Direct Holders"), (continued in next footnote)

F5 · ownership.nature: ACOF Investment Management LLC ("ACOF Investment Management"), ASOF Investment Management LLC ("ASOF Investment Management"), ASSF Operating Manager IV, L.P. ("ASSF Operating Manager"), Ares Management LLC, Ares Management Holdings L.P. ("Ares Management Holdings"), Ares Holdco LLC ("Ares Holdco"), Ares Management Corporation ("Ares Management"), Ares Management GP LLC ("Ares Management GP"), Ares Voting LLC ("Ares Voting") and Ares Partners Holdco LLC ("Ares Partners", and together with the Ares Direct Holders, ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management LLC, Ares Management Holdings, Ares Holdco, Ares Management, Ares Management GP, and Ares Voting, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in four parts.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 35,205,125 shares of Common Stock (which aggregate ownership did not change as a result of the Transfers) by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF VI Frontier AIV A1 owns 249,805 shares of Common Stock; (ii) ACOF VI Frontier AIV A2 owns 89,581 shares of Common Stock; (iii) ACOF VI Frontier AIV A3 owns 20,902 shares of Common Stock; (iv) ACOF VI Frontier AIV A4 owns 271,730 shares of Common Stock; (v) ACOF VI Frontier AIV A5 owns 298,604 shares of Common Stock; (vi) ACOF VI Frontier AIV A6 owns 167,219 shares of Common Stock; (vii) ACOF VI Frontier AIV A7 owns 302,616 shares of Common Stock; (viii) ACOF VI Frontier AIV A8 owns shares 303,979 of Common Stock; (ix) ACOF VI Frontier AIV A9 owns 285,466 shares of Common Stock; (x) ACOF VI Frontier AIV A10 owns 90,268 shares of Common Stock; (continued in next footnote)

F7 · ownership.nature: (xi) ACOF VI Frontier AIV B1 owns 15,068,130 shares of Common Stock; (xii) ASOF Frontier AIV A1 owns 105,592 shares of Common Stock; (xiii) ASOF Frontier AIV A2 owns 18,032 shares of Common Stock; (xiv) ASOF Frontier AIV A3 owns 830,837 shares of Common Stock; (xv) ASOF Frontier AIV A4 owns 281,844 shares of Common Stock; (xvi) ASOF Frontier AIV A5 owns 167,160 shares of Common Stock; (xvii) ASOF Frontier AIV A6 owns 292,124 shares of Common Stock; (xviii) ASOF Frontier AIV A7 owns 289,417 shares of Common Stock; (xix) ASOF Frontier AIV A8 owns 238,026 shares of Common Stock; (xx) ASOF Frontier AIV A9 owns 360,644 shares of Common Stock; (xxi) ASOF Frontier AIV A10 owns 259,665 shares of Common Stock; (xxii) ASOF Frontier AIV A11 owns 245,236 shares of Common Stock; (xiii) ASOF Frontier AIV B1 owns 9,597,579 shares of Common Stock; (continued in next footnote)

F8 · ownership.nature: (xxiv) ASSF IV AIV B Holdings III owns 2,694,242 shares of Common Stock; and (xxv) ASSF IV AIV B directly or indirectly owns 2,654,041 shares of Common Stock. Because the aggregate number of shares of Common Stock sold by Ares Direct Holders in the Transfers equals the number of shares of Common Stock purchased by Ares Direct Holders in the Transfers, the total number of shares of Common Stock that Ares Management LLC (as well as ACOF Investment Management, ASOF Investment Management, ASSF Operating Manager, Ares Management Holdings, Ares Holdco, Ares Management Corporation, Ares Management GP, Ares Voting and Ares Partners Holdco), may be deemed to beneficially own did not change as a result of the Transfers.

F9 · ownership.nature: ACOF Investment Management is the manager of the ACOF Funds, ASOF Investment Management is the manager of ASOF Funds, ASSF Operating Manager is the manager of the ASSF Funds. Ares Management LLC is the sole member of ACOF Investment Management and ASOF Investment Management and the general partner of ASSF Operating Manager. Ares Management LLC has direct or indirect power to vote and/or dispose of the shares of Common Stock held by each Ares Direct Holder, and accordingly, Ares Management LLC may be deemed to have beneficial ownership of the shares of Common Stock reported herein.

F10 · ownership.nature: The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (continued in next footnote)

F11 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members. (continued in next footnote)

F12 · ownership.nature: Each of the Reporting Persons, and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F13 · ownership.nature: The Reporting Persons' beneficial ownership includes a collective total of 85 previously unreported shares of Common Stock, of which the Reporting Persons were notified by their custodian after those shares' initial acquisition date.

SEC source: 0001104659-21-118785 · tm2128010-2_4seq1.xml · nonDerivative · entry 1

ARES MANAGEMENT LLC · CIK 0001259313 · 10% owner

ACOF Investment Management LLC · CIK 0001684171 · 10% owner

Ares Management Holdings L.P. · CIK 0001536937 · 10% owner

Ares Holdco LLC · CIK 0001669983 · 10% owner

Ares Management Corp · CIK 0001176948 · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 11,288,922

F1 · kind: AF Energy Feeder, L.P. made a pro rata in-kind distribution for no consideration to one of its limited partners of shares of common stock (the "Common Stock") of California Resources Corporation (the "Issuer"). Other than with respect to the decrease in Common Stock held directly by AF Energy Feeder, L.P., none of the Reporting Persons' respective pecuniary interests in the Common Stock changed as a result of this distribution.

F1 · shares: AF Energy Feeder, L.P. made a pro rata in-kind distribution for no consideration to one of its limited partners of shares of common stock (the "Common Stock") of California Resources Corporation (the "Issuer"). Other than with respect to the decrease in Common Stock held directly by AF Energy Feeder, L.P., none of the Reporting Persons' respective pecuniary interests in the Common Stock changed as a result of this distribution.

F2 · shares: This statement is being filed jointly by (i) AF V Energy IV AIV 1A, L.P. ("ACOF AIV 1A"), (ii) AF V Energy IV AIV 1B, L.P. ("ACOF AIV 1B"), (iii) AF V Energy IV AIV 2, L.P. ("ACOF AIV 2" and, together with ACOF AIV 1A and ACOF AIV 1B, the "ACOF AIVs"), (iv) AEOF ECR AIV A-B, L.P. ("AEOF AIV A-B"), (v) AEOF ECR AIV C, L.P. ("AEOF AIV C" and, together with AEOF AIV A-B, the "AEOF AIVs"), (vi) AF Energy Feeder, L.P., (vii) ACOF Investment Management LLC ("ACOF Investment Management"), (viii) Ares Management LLC, (Continued in footnote 3)

F3 · shares: (ix) Ares Management Holdings L.P. ("Ares Management Holdings"), (x) Ares Holdco LLC ("Ares Holdco"), (xi) Ares Management Corporation ("Ares Management"), (xii) Ares Voting LLC ("Ares Voting"), (xiii) Ares Management GP LLC ("Ares Management GP") and (xiv) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F4 · shares: ACOF Investment Management is the manager of each of the ACOF AIVs, the AEOF AIVs and AF Energy Feeder, L.P., and the sole member of ACOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (Continued in footnote 5)

F5 · shares: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members.

F6 · shares: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 11,288,922 shares of Common Stock by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF AIV 1A directly holds 674,003 shares of Common Stock, (ii) ACOF AIV 1B directly holds 2,466,515 shares of Common Stock, (iii) ACOF AIV 2 directly holds 2,512,640 shares of Common Stock, (iv) AEOF AIV A-B directly holds 1,894,861 shares of Common Stock, (v) AEOF AIV C directly holds 804,524 shares of Common Stock and (vi) AF Energy Feeder, L.P. directly holds 2,936,379 shares of Common Stock.

F7 · shares: Each of the Reporting Persons (other than the ACOF AIVs, the AEOF AIVs, and AF Energy Feeder, L.P with respect to the shares of Common Stock directly held by them) and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F1 · price: AF Energy Feeder, L.P. made a pro rata in-kind distribution for no consideration to one of its limited partners of shares of common stock (the "Common Stock") of California Resources Corporation (the "Issuer"). Other than with respect to the decrease in Common Stock held directly by AF Energy Feeder, L.P., none of the Reporting Persons' respective pecuniary interests in the Common Stock changed as a result of this distribution.

F1 · balance_after: AF Energy Feeder, L.P. made a pro rata in-kind distribution for no consideration to one of its limited partners of shares of common stock (the "Common Stock") of California Resources Corporation (the "Issuer"). Other than with respect to the decrease in Common Stock held directly by AF Energy Feeder, L.P., none of the Reporting Persons' respective pecuniary interests in the Common Stock changed as a result of this distribution.

F2 · balance_after: This statement is being filed jointly by (i) AF V Energy IV AIV 1A, L.P. ("ACOF AIV 1A"), (ii) AF V Energy IV AIV 1B, L.P. ("ACOF AIV 1B"), (iii) AF V Energy IV AIV 2, L.P. ("ACOF AIV 2" and, together with ACOF AIV 1A and ACOF AIV 1B, the "ACOF AIVs"), (iv) AEOF ECR AIV A-B, L.P. ("AEOF AIV A-B"), (v) AEOF ECR AIV C, L.P. ("AEOF AIV C" and, together with AEOF AIV A-B, the "AEOF AIVs"), (vi) AF Energy Feeder, L.P., (vii) ACOF Investment Management LLC ("ACOF Investment Management"), (viii) Ares Management LLC, (Continued in footnote 3)

F3 · balance_after: (ix) Ares Management Holdings L.P. ("Ares Management Holdings"), (x) Ares Holdco LLC ("Ares Holdco"), (xi) Ares Management Corporation ("Ares Management"), (xii) Ares Voting LLC ("Ares Voting"), (xiii) Ares Management GP LLC ("Ares Management GP") and (xiv) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F4 · balance_after: ACOF Investment Management is the manager of each of the ACOF AIVs, the AEOF AIVs and AF Energy Feeder, L.P., and the sole member of ACOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (Continued in footnote 5)

F5 · balance_after: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members.

F6 · balance_after: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 11,288,922 shares of Common Stock by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF AIV 1A directly holds 674,003 shares of Common Stock, (ii) ACOF AIV 1B directly holds 2,466,515 shares of Common Stock, (iii) ACOF AIV 2 directly holds 2,512,640 shares of Common Stock, (iv) AEOF AIV A-B directly holds 1,894,861 shares of Common Stock, (v) AEOF AIV C directly holds 804,524 shares of Common Stock and (vi) AF Energy Feeder, L.P. directly holds 2,936,379 shares of Common Stock.

F7 · balance_after: Each of the Reporting Persons (other than the ACOF AIVs, the AEOF AIVs, and AF Energy Feeder, L.P with respect to the shares of Common Stock directly held by them) and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

F1 · ownership.nature: AF Energy Feeder, L.P. made a pro rata in-kind distribution for no consideration to one of its limited partners of shares of common stock (the "Common Stock") of California Resources Corporation (the "Issuer"). Other than with respect to the decrease in Common Stock held directly by AF Energy Feeder, L.P., none of the Reporting Persons' respective pecuniary interests in the Common Stock changed as a result of this distribution.

F2 · ownership.nature: This statement is being filed jointly by (i) AF V Energy IV AIV 1A, L.P. ("ACOF AIV 1A"), (ii) AF V Energy IV AIV 1B, L.P. ("ACOF AIV 1B"), (iii) AF V Energy IV AIV 2, L.P. ("ACOF AIV 2" and, together with ACOF AIV 1A and ACOF AIV 1B, the "ACOF AIVs"), (iv) AEOF ECR AIV A-B, L.P. ("AEOF AIV A-B"), (v) AEOF ECR AIV C, L.P. ("AEOF AIV C" and, together with AEOF AIV A-B, the "AEOF AIVs"), (vi) AF Energy Feeder, L.P., (vii) ACOF Investment Management LLC ("ACOF Investment Management"), (viii) Ares Management LLC, (Continued in footnote 3)

F3 · ownership.nature: (ix) Ares Management Holdings L.P. ("Ares Management Holdings"), (x) Ares Holdco LLC ("Ares Holdco"), (xi) Ares Management Corporation ("Ares Management"), (xii) Ares Voting LLC ("Ares Voting"), (xiii) Ares Management GP LLC ("Ares Management GP") and (xiv) Ares Partners Holdco LLC ("Ares Partners") (collectively, the "Reporting Persons"). Due to the electronic system's limitation of 10 Reporting Persons per joint filing, this statement is being filed in two parts.

F4 · ownership.nature: ACOF Investment Management is the manager of each of the ACOF AIVs, the AEOF AIVs and AF Energy Feeder, L.P., and the sole member of ACOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings and the general partner of Ares Management Holdings is Ares Holdco. The sole member of Ares Holdco is Ares Management. Ares Management GP is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Ares Class B Common Stock") and Ares Voting is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Ares Class C Common Stock"). (Continued in footnote 5)

F5 · ownership.nature: Pursuant to Ares Management's Certificate of Incorporation, the holders of the Ares Class B Common Stock and the Ares Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners. Ares Partners is managed by a board of managers, which is composed of Michael Arougheti, Ryan Berry, R. Kipp deVeer, David Kaplan, Antony Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over decisions by the Board Members.

F6 · ownership.nature: The Reporting Persons collectively beneficially own, or may be deemed to beneficially own, in the aggregate 11,288,922 shares of Common Stock by reason of the direct or indirect beneficial ownership of such shares as follows: (i) ACOF AIV 1A directly holds 674,003 shares of Common Stock, (ii) ACOF AIV 1B directly holds 2,466,515 shares of Common Stock, (iii) ACOF AIV 2 directly holds 2,512,640 shares of Common Stock, (iv) AEOF AIV A-B directly holds 1,894,861 shares of Common Stock, (v) AEOF AIV C directly holds 804,524 shares of Common Stock and (vi) AF Energy Feeder, L.P. directly holds 2,936,379 shares of Common Stock.

F7 · ownership.nature: Each of the Reporting Persons (other than the ACOF AIVs, the AEOF AIVs, and AF Energy Feeder, L.P with respect to the shares of Common Stock directly held by them) and the Board Members, and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons, expressly disclaims beneficial ownership of the Common Stock, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.

SEC source: 0001104659-21-099088 · tm2123871-2_4seq1.xml · derivative · entry 15

Ares Management Corp · CIK 0001176948 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ares Special Situations Fund IV, L.P.

Disclosed balance after: 29,965

Underlying: Common stock, par value $0.0001 per share · 270,658 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F7 · kind: Pursuant to the terms of the Transaction Agreement and in connection with the ASSF IV Conversion, the Issuer issued ASSF IV 270,658 newly-issued shares of Common Stock corresponding to the number of outstanding Anti-Dilution Warrants pursuant to the terms of the October 2019 ECA, the August 2019 ECA, and the May 2019 ECA.

F10 · kind: These Warrants were issued to ASSF IV and ASOF pursuant to the May 2019 ECA, the August 2019 ECA and the October 2019 ECA, with Common Stock issuable upon conversion of the shares of Series A Preferred Stock ("Anti-Dilution Warrants"). Such Anti-Dilution Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement. After giving effect to the transactions contemplated by the Transaction Agreement, ASSF IV and ASOF still hold 29,965 and 26,212 Anti-Dilution Warrants, respectively.

F2 · shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F7 · shares: Pursuant to the terms of the Transaction Agreement and in connection with the ASSF IV Conversion, the Issuer issued ASSF IV 270,658 newly-issued shares of Common Stock corresponding to the number of outstanding Anti-Dilution Warrants pursuant to the terms of the October 2019 ECA, the August 2019 ECA, and the May 2019 ECA.

F10 · shares: These Warrants were issued to ASSF IV and ASOF pursuant to the May 2019 ECA, the August 2019 ECA and the October 2019 ECA, with Common Stock issuable upon conversion of the shares of Series A Preferred Stock ("Anti-Dilution Warrants"). Such Anti-Dilution Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement. After giving effect to the transactions contemplated by the Transaction Agreement, ASSF IV and ASOF still hold 29,965 and 26,212 Anti-Dilution Warrants, respectively.

F10 · derivative.expiration_date: These Warrants were issued to ASSF IV and ASOF pursuant to the May 2019 ECA, the August 2019 ECA and the October 2019 ECA, with Common Stock issuable upon conversion of the shares of Series A Preferred Stock ("Anti-Dilution Warrants"). Such Anti-Dilution Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement. After giving effect to the transactions contemplated by the Transaction Agreement, ASSF IV and ASOF still hold 29,965 and 26,212 Anti-Dilution Warrants, respectively.

F2 · derivative.underlying_shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F7 · derivative.underlying_shares: Pursuant to the terms of the Transaction Agreement and in connection with the ASSF IV Conversion, the Issuer issued ASSF IV 270,658 newly-issued shares of Common Stock corresponding to the number of outstanding Anti-Dilution Warrants pursuant to the terms of the October 2019 ECA, the August 2019 ECA, and the May 2019 ECA.

F10 · derivative.underlying_shares: These Warrants were issued to ASSF IV and ASOF pursuant to the May 2019 ECA, the August 2019 ECA and the October 2019 ECA, with Common Stock issuable upon conversion of the shares of Series A Preferred Stock ("Anti-Dilution Warrants"). Such Anti-Dilution Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement. After giving effect to the transactions contemplated by the Transaction Agreement, ASSF IV and ASOF still hold 29,965 and 26,212 Anti-Dilution Warrants, respectively.

F12 · ownership.nature: The manager of ASSF IV is ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), and the general partner of ASSF Operating Manager IV is Ares Management LLC. The manager of ASOF is ASOF Investment Management LLC ("ASOF Investment Management"), and the sole member of ASOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings L.P. ("Ares Management Holdings") and the general partner of Ares Management Holdings is Ares Holdco LLC ("Ares Holdco"). The sole member of Ares Holdco is Ares Management Corporation ("Ares Management"). (continued in footnote 13)

F13 · ownership.nature: Ares Management GP LLC ("Ares Management GP") is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Class B Common Stock") and Ares Voting LLC ("Ares Voting") is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Class C Common Stock"). Pursuant to Ares Management's Certificate of Incorporation in effect as of the date of this Form 4, the holders of the Class B Common Stock and the Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners Holdco LLC ("Ares Partners"). (continued in footnote 14)

F14 · ownership.nature: Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Michael R. McFerran, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. The address of each Reporting Person is c/o Ares Management LLC, 2000 Avenue of the Stars, 12th Floor, Los Angeles, CA 90067.

SEC source: 0001104659-21-099088 · tm2123871-2_4seq1.xml · derivative · entry 14

Ares Management Corp · CIK 0001176948 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ares Special Situations Fund IV, L.P.

Disclosed balance after: 0

Underlying: Common stock, par value $0.0001 per share · 3,092,794 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F8 · kind: Pursuant to the terms of these Transaction Agreement, ASSF IV exercised 100% of these Warrants held by it resulting in the issuance of 3,092,794 shares of Common Stock. The ASSF IV Conversion and the exercise of ASSF IV's Anti-Dilution Warrants and Warrants closed on August 2, 2021.

F9 · kind: These Warrants were issued to ASSF IV and ASOF on August 30, 2019, in connection with the August 2019 ECA. The Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement.

F2 · shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F8 · shares: Pursuant to the terms of these Transaction Agreement, ASSF IV exercised 100% of these Warrants held by it resulting in the issuance of 3,092,794 shares of Common Stock. The ASSF IV Conversion and the exercise of ASSF IV's Anti-Dilution Warrants and Warrants closed on August 2, 2021.

F9 · shares: These Warrants were issued to ASSF IV and ASOF on August 30, 2019, in connection with the August 2019 ECA. The Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement.

F9 · derivative.expiration_date: These Warrants were issued to ASSF IV and ASOF on August 30, 2019, in connection with the August 2019 ECA. The Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement.

F2 · derivative.underlying_shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F8 · derivative.underlying_shares: Pursuant to the terms of these Transaction Agreement, ASSF IV exercised 100% of these Warrants held by it resulting in the issuance of 3,092,794 shares of Common Stock. The ASSF IV Conversion and the exercise of ASSF IV's Anti-Dilution Warrants and Warrants closed on August 2, 2021.

F9 · derivative.underlying_shares: These Warrants were issued to ASSF IV and ASOF on August 30, 2019, in connection with the August 2019 ECA. The Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement.

F12 · ownership.nature: The manager of ASSF IV is ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), and the general partner of ASSF Operating Manager IV is Ares Management LLC. The manager of ASOF is ASOF Investment Management LLC ("ASOF Investment Management"), and the sole member of ASOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings L.P. ("Ares Management Holdings") and the general partner of Ares Management Holdings is Ares Holdco LLC ("Ares Holdco"). The sole member of Ares Holdco is Ares Management Corporation ("Ares Management"). (continued in footnote 13)

F13 · ownership.nature: Ares Management GP LLC ("Ares Management GP") is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Class B Common Stock") and Ares Voting LLC ("Ares Voting") is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Class C Common Stock"). Pursuant to Ares Management's Certificate of Incorporation in effect as of the date of this Form 4, the holders of the Class B Common Stock and the Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners Holdco LLC ("Ares Partners"). (continued in footnote 14)

F14 · ownership.nature: Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Michael R. McFerran, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. The address of each Reporting Person is c/o Ares Management LLC, 2000 Avenue of the Stars, 12th Floor, Los Angeles, CA 90067.

SEC source: 0001104659-21-099088 · tm2123871-2_4seq1.xml · derivative · entry 13

Ares Management Corp · CIK 0001176948 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Holdings I, L.P.

Disclosed balance after: 26,212

Underlying: Common stock, par value $0.0001 per share · 236,759 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F4 · kind: Pursuant to the terms of the Transaction Agreement and in connection with the ASOF Conversion, the Issuer issued ASOF 236,759 newly-issued shares of Common Stock corresponding to the number of outstanding Anti-Dilution Warrants (as defined below) pursuant to the terms of the Equity Commitment Agreement dated October 29, 2019 (the "October 2019 ECA"), the Equity Commitment Agreement dated August 30, 2019 (the "August 2019 ECA"), and the Equity Commitment Agreement dated May 14, 2019 (the "May 2019 ECA").

F10 · kind: These Warrants were issued to ASSF IV and ASOF pursuant to the May 2019 ECA, the August 2019 ECA and the October 2019 ECA, with Common Stock issuable upon conversion of the shares of Series A Preferred Stock ("Anti-Dilution Warrants"). Such Anti-Dilution Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement. After giving effect to the transactions contemplated by the Transaction Agreement, ASSF IV and ASOF still hold 29,965 and 26,212 Anti-Dilution Warrants, respectively.

F2 · shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F4 · shares: Pursuant to the terms of the Transaction Agreement and in connection with the ASOF Conversion, the Issuer issued ASOF 236,759 newly-issued shares of Common Stock corresponding to the number of outstanding Anti-Dilution Warrants (as defined below) pursuant to the terms of the Equity Commitment Agreement dated October 29, 2019 (the "October 2019 ECA"), the Equity Commitment Agreement dated August 30, 2019 (the "August 2019 ECA"), and the Equity Commitment Agreement dated May 14, 2019 (the "May 2019 ECA").

F10 · shares: These Warrants were issued to ASSF IV and ASOF pursuant to the May 2019 ECA, the August 2019 ECA and the October 2019 ECA, with Common Stock issuable upon conversion of the shares of Series A Preferred Stock ("Anti-Dilution Warrants"). Such Anti-Dilution Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement. After giving effect to the transactions contemplated by the Transaction Agreement, ASSF IV and ASOF still hold 29,965 and 26,212 Anti-Dilution Warrants, respectively.

F10 · derivative.expiration_date: These Warrants were issued to ASSF IV and ASOF pursuant to the May 2019 ECA, the August 2019 ECA and the October 2019 ECA, with Common Stock issuable upon conversion of the shares of Series A Preferred Stock ("Anti-Dilution Warrants"). Such Anti-Dilution Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement. After giving effect to the transactions contemplated by the Transaction Agreement, ASSF IV and ASOF still hold 29,965 and 26,212 Anti-Dilution Warrants, respectively.

F2 · derivative.underlying_shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F4 · derivative.underlying_shares: Pursuant to the terms of the Transaction Agreement and in connection with the ASOF Conversion, the Issuer issued ASOF 236,759 newly-issued shares of Common Stock corresponding to the number of outstanding Anti-Dilution Warrants (as defined below) pursuant to the terms of the Equity Commitment Agreement dated October 29, 2019 (the "October 2019 ECA"), the Equity Commitment Agreement dated August 30, 2019 (the "August 2019 ECA"), and the Equity Commitment Agreement dated May 14, 2019 (the "May 2019 ECA").

F10 · derivative.underlying_shares: These Warrants were issued to ASSF IV and ASOF pursuant to the May 2019 ECA, the August 2019 ECA and the October 2019 ECA, with Common Stock issuable upon conversion of the shares of Series A Preferred Stock ("Anti-Dilution Warrants"). Such Anti-Dilution Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement. After giving effect to the transactions contemplated by the Transaction Agreement, ASSF IV and ASOF still hold 29,965 and 26,212 Anti-Dilution Warrants, respectively.

F12 · ownership.nature: The manager of ASSF IV is ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), and the general partner of ASSF Operating Manager IV is Ares Management LLC. The manager of ASOF is ASOF Investment Management LLC ("ASOF Investment Management"), and the sole member of ASOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings L.P. ("Ares Management Holdings") and the general partner of Ares Management Holdings is Ares Holdco LLC ("Ares Holdco"). The sole member of Ares Holdco is Ares Management Corporation ("Ares Management"). (continued in footnote 13)

F13 · ownership.nature: Ares Management GP LLC ("Ares Management GP") is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Class B Common Stock") and Ares Voting LLC ("Ares Voting") is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Class C Common Stock"). Pursuant to Ares Management's Certificate of Incorporation in effect as of the date of this Form 4, the holders of the Class B Common Stock and the Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners Holdco LLC ("Ares Partners"). (continued in footnote 14)

F14 · ownership.nature: Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Michael R. McFerran, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. The address of each Reporting Person is c/o Ares Management LLC, 2000 Avenue of the Stars, 12th Floor, Los Angeles, CA 90067.

SEC source: 0001104659-21-099088 · tm2123871-2_4seq1.xml · derivative · entry 12

Ares Management Corp · CIK 0001176948 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Holdings I, L.P.

Disclosed balance after: 0

Underlying: Common stock, par value $0.0001 per share · 2,903,516 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F5 · kind: Pursuant to the terms of the Transaction Agreement, ASOF exercised 100% of these Warrants held by it resulting in the issuance of 2,903,516 shares of Common Stock. The ASOF Conversion and the exercise of ASOF's Anti-Dilution Warrants and Warrants closed on August 2, 2021.

F9 · kind: These Warrants were issued to ASSF IV and ASOF on August 30, 2019, in connection with the August 2019 ECA. The Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement.

F2 · shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F5 · shares: Pursuant to the terms of the Transaction Agreement, ASOF exercised 100% of these Warrants held by it resulting in the issuance of 2,903,516 shares of Common Stock. The ASOF Conversion and the exercise of ASOF's Anti-Dilution Warrants and Warrants closed on August 2, 2021.

F9 · shares: These Warrants were issued to ASSF IV and ASOF on August 30, 2019, in connection with the August 2019 ECA. The Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement.

F9 · derivative.expiration_date: These Warrants were issued to ASSF IV and ASOF on August 30, 2019, in connection with the August 2019 ECA. The Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement.

F2 · derivative.underlying_shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F5 · derivative.underlying_shares: Pursuant to the terms of the Transaction Agreement, ASOF exercised 100% of these Warrants held by it resulting in the issuance of 2,903,516 shares of Common Stock. The ASOF Conversion and the exercise of ASOF's Anti-Dilution Warrants and Warrants closed on August 2, 2021.

F9 · derivative.underlying_shares: These Warrants were issued to ASSF IV and ASOF on August 30, 2019, in connection with the August 2019 ECA. The Warrants have no expiration and were exercised pursuant to the terms of the Transaction Agreement.

F12 · ownership.nature: The manager of ASSF IV is ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), and the general partner of ASSF Operating Manager IV is Ares Management LLC. The manager of ASOF is ASOF Investment Management LLC ("ASOF Investment Management"), and the sole member of ASOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings L.P. ("Ares Management Holdings") and the general partner of Ares Management Holdings is Ares Holdco LLC ("Ares Holdco"). The sole member of Ares Holdco is Ares Management Corporation ("Ares Management"). (continued in footnote 13)

F13 · ownership.nature: Ares Management GP LLC ("Ares Management GP") is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Class B Common Stock") and Ares Voting LLC ("Ares Voting") is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Class C Common Stock"). Pursuant to Ares Management's Certificate of Incorporation in effect as of the date of this Form 4, the holders of the Class B Common Stock and the Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners Holdco LLC ("Ares Partners"). (continued in footnote 14)

F14 · ownership.nature: Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Michael R. McFerran, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. The address of each Reporting Person is c/o Ares Management LLC, 2000 Avenue of the Stars, 12th Floor, Los Angeles, CA 90067.

SEC source: 0001104659-21-099088 · tm2123871-2_4seq1.xml · derivative · entry 11

Ares Management Corp · CIK 0001176948 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By ASOF Holdings I, L.P.

Disclosed balance after: 7,747,589

Underlying: Common Stock, $0.0001 par value per share · 7,747,589 shares

Expires not disclosed

F1 · kind: On July 28, 2021, the Issuer announced its offering (the "2021 Equity Offering") of: (i) newly-issued shares of Common Stock and (ii) Pre-Funded Warrants to purchase shares of Common Stock. In connection with the 2021 Equity offering, ASOF Holdings I, L.P. ("ASOF") purchased 3,185,039 newly-issued shares of Common Stock and 7,747,589 non-voting Pre-Funded Warrants. The 2021 Equity Offering closed on August 2, 2021.

F1 · shares: On July 28, 2021, the Issuer announced its offering (the "2021 Equity Offering") of: (i) newly-issued shares of Common Stock and (ii) Pre-Funded Warrants to purchase shares of Common Stock. In connection with the 2021 Equity offering, ASOF Holdings I, L.P. ("ASOF") purchased 3,185,039 newly-issued shares of Common Stock and 7,747,589 non-voting Pre-Funded Warrants. The 2021 Equity Offering closed on August 2, 2021.

F11 · derivative.expiration_date: The non-voting Pre-Funded Warrants purchased by ASOF in the 2021 Equity Offering do not expire.

F1 · derivative.underlying_shares: On July 28, 2021, the Issuer announced its offering (the "2021 Equity Offering") of: (i) newly-issued shares of Common Stock and (ii) Pre-Funded Warrants to purchase shares of Common Stock. In connection with the 2021 Equity offering, ASOF Holdings I, L.P. ("ASOF") purchased 3,185,039 newly-issued shares of Common Stock and 7,747,589 non-voting Pre-Funded Warrants. The 2021 Equity Offering closed on August 2, 2021.

F12 · ownership.nature: The manager of ASSF IV is ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), and the general partner of ASSF Operating Manager IV is Ares Management LLC. The manager of ASOF is ASOF Investment Management LLC ("ASOF Investment Management"), and the sole member of ASOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings L.P. ("Ares Management Holdings") and the general partner of Ares Management Holdings is Ares Holdco LLC ("Ares Holdco"). The sole member of Ares Holdco is Ares Management Corporation ("Ares Management"). (continued in footnote 13)

F13 · ownership.nature: Ares Management GP LLC ("Ares Management GP") is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Class B Common Stock") and Ares Voting LLC ("Ares Voting") is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Class C Common Stock"). Pursuant to Ares Management's Certificate of Incorporation in effect as of the date of this Form 4, the holders of the Class B Common Stock and the Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners Holdco LLC ("Ares Partners"). (continued in footnote 14)

F14 · ownership.nature: Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Michael R. McFerran, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. The address of each Reporting Person is c/o Ares Management LLC, 2000 Avenue of the Stars, 12th Floor, Los Angeles, CA 90067.

SEC source: 0001104659-21-099088 · tm2123871-2_4seq1.xml · nonDerivative · entry 9

Ares Management Corp · CIK 0001176948 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ares Special Situations Fund IV, L.P.

Disclosed balance after: 3,686,645

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F8 · kind: Pursuant to the terms of these Transaction Agreement, ASSF IV exercised 100% of these Warrants held by it resulting in the issuance of 3,092,794 shares of Common Stock. The ASSF IV Conversion and the exercise of ASSF IV's Anti-Dilution Warrants and Warrants closed on August 2, 2021.

F2 · shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F8 · shares: Pursuant to the terms of these Transaction Agreement, ASSF IV exercised 100% of these Warrants held by it resulting in the issuance of 3,092,794 shares of Common Stock. The ASSF IV Conversion and the exercise of ASSF IV's Anti-Dilution Warrants and Warrants closed on August 2, 2021.

F2 · acquired: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F8 · acquired: Pursuant to the terms of these Transaction Agreement, ASSF IV exercised 100% of these Warrants held by it resulting in the issuance of 3,092,794 shares of Common Stock. The ASSF IV Conversion and the exercise of ASSF IV's Anti-Dilution Warrants and Warrants closed on August 2, 2021.

F12 · ownership.nature: The manager of ASSF IV is ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), and the general partner of ASSF Operating Manager IV is Ares Management LLC. The manager of ASOF is ASOF Investment Management LLC ("ASOF Investment Management"), and the sole member of ASOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings L.P. ("Ares Management Holdings") and the general partner of Ares Management Holdings is Ares Holdco LLC ("Ares Holdco"). The sole member of Ares Holdco is Ares Management Corporation ("Ares Management"). (continued in footnote 13)

F13 · ownership.nature: Ares Management GP LLC ("Ares Management GP") is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Class B Common Stock") and Ares Voting LLC ("Ares Voting") is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Class C Common Stock"). Pursuant to Ares Management's Certificate of Incorporation in effect as of the date of this Form 4, the holders of the Class B Common Stock and the Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners Holdco LLC ("Ares Partners"). (continued in footnote 14)

F14 · ownership.nature: Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Michael R. McFerran, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. The address of each Reporting Person is c/o Ares Management LLC, 2000 Avenue of the Stars, 12th Floor, Los Angeles, CA 90067.

SEC source: 0001104659-21-099088 · tm2123871-2_4seq1.xml · nonDerivative · entry 8

Ares Management Corp · CIK 0001176948 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ares Special Situations Fund IV, L.P.

Disclosed balance after: 593,851

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F7 · kind: Pursuant to the terms of the Transaction Agreement and in connection with the ASSF IV Conversion, the Issuer issued ASSF IV 270,658 newly-issued shares of Common Stock corresponding to the number of outstanding Anti-Dilution Warrants pursuant to the terms of the October 2019 ECA, the August 2019 ECA, and the May 2019 ECA.

F2 · shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F7 · shares: Pursuant to the terms of the Transaction Agreement and in connection with the ASSF IV Conversion, the Issuer issued ASSF IV 270,658 newly-issued shares of Common Stock corresponding to the number of outstanding Anti-Dilution Warrants pursuant to the terms of the October 2019 ECA, the August 2019 ECA, and the May 2019 ECA.

F2 · acquired: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F7 · acquired: Pursuant to the terms of the Transaction Agreement and in connection with the ASSF IV Conversion, the Issuer issued ASSF IV 270,658 newly-issued shares of Common Stock corresponding to the number of outstanding Anti-Dilution Warrants pursuant to the terms of the October 2019 ECA, the August 2019 ECA, and the May 2019 ECA.

F12 · ownership.nature: The manager of ASSF IV is ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), and the general partner of ASSF Operating Manager IV is Ares Management LLC. The manager of ASOF is ASOF Investment Management LLC ("ASOF Investment Management"), and the sole member of ASOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings L.P. ("Ares Management Holdings") and the general partner of Ares Management Holdings is Ares Holdco LLC ("Ares Holdco"). The sole member of Ares Holdco is Ares Management Corporation ("Ares Management"). (continued in footnote 13)

F13 · ownership.nature: Ares Management GP LLC ("Ares Management GP") is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Class B Common Stock") and Ares Voting LLC ("Ares Voting") is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Class C Common Stock"). Pursuant to Ares Management's Certificate of Incorporation in effect as of the date of this Form 4, the holders of the Class B Common Stock and the Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners Holdco LLC ("Ares Partners"). (continued in footnote 14)

F14 · ownership.nature: Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Michael R. McFerran, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. The address of each Reporting Person is c/o Ares Management LLC, 2000 Avenue of the Stars, 12th Floor, Los Angeles, CA 90067.

SEC source: 0001104659-21-099088 · tm2123871-2_4seq1.xml · nonDerivative · entry 7

Ares Management Corp · CIK 0001176948 · Director · 10% owner

Ares Management GP LLC · CIK 0001620264 · 10% owner

Ares Voting LLC · CIK 0001761656 · 10% owner

Ares Partners Holdco LLC · CIK 0001620263 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ares Special Situations Fund IV, L.P.

Disclosed balance after: 323,193

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F6 · kind: Pursuant to the terms of the Transaction Agreement, ASSF IV converted all outstanding shares of Series A Preferred Stock held by ASOF in exchange for 323,193 newly-issued shares of Common Stock (the "ASSF IV Conversion").

F2 · shares: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F6 · shares: Pursuant to the terms of the Transaction Agreement, ASSF IV converted all outstanding shares of Series A Preferred Stock held by ASOF in exchange for 323,193 newly-issued shares of Common Stock (the "ASSF IV Conversion").

F2 · acquired: On July 28, 2021, the Issuer, Ares Special Situations Fund IV, L.P., ("ASSF IV"), and ASOF, entered into a Transaction Agreement (the "Transaction Agreement"), pursuant to which ASSF IV and ASOF converted shares of Series A Preferred Stock and exercised certain warrants in exchange for Common Stock. These conversions and the exercise of warrants closed on August 2, 2021. In addition to the Common Stock held as a result of the Transaction Agreement and 2021 Equity Offering, Ares Management LLC beneficially owns 40,135 shares of Common Stock underlying restricted stock units ("RSUs") granted to Matthew Underwood, in his capacity as a director serving on the Board which vested on March 26, 2021 and which were granted directly to Ares Management LLC, and are held by Ares Management LLC as the direct holder of such RSUs.

F6 · acquired: Pursuant to the terms of the Transaction Agreement, ASSF IV converted all outstanding shares of Series A Preferred Stock held by ASOF in exchange for 323,193 newly-issued shares of Common Stock (the "ASSF IV Conversion").

F12 · ownership.nature: The manager of ASSF IV is ASSF Operating Manager IV, L.P. ("ASSF Operating Manager IV"), and the general partner of ASSF Operating Manager IV is Ares Management LLC. The manager of ASOF is ASOF Investment Management LLC ("ASOF Investment Management"), and the sole member of ASOF Investment Management is Ares Management LLC. The sole member of Ares Management LLC is Ares Management Holdings L.P. ("Ares Management Holdings") and the general partner of Ares Management Holdings is Ares Holdco LLC ("Ares Holdco"). The sole member of Ares Holdco is Ares Management Corporation ("Ares Management"). (continued in footnote 13)

F13 · ownership.nature: Ares Management GP LLC ("Ares Management GP") is the sole holder of the Class B common stock, $0.01 par value per share, of Ares Management (the "Class B Common Stock") and Ares Voting LLC ("Ares Voting") is the sole holder of the Class C common stock, $0.01 par value per share, of Ares Management (the "Class C Common Stock"). Pursuant to Ares Management's Certificate of Incorporation in effect as of the date of this Form 4, the holders of the Class B Common Stock and the Class C Common Stock, collectively, will generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. The sole member of both Ares Management GP and Ares Voting is Ares Partners Holdco LLC ("Ares Partners"). (continued in footnote 14)

F14 · ownership.nature: Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, Ryan Berry, R. Kipp deVeer, David B. Kaplan, Michael R. McFerran, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over Board Members' decisions. Each of the Reporting Persons and the Board Members and the other directors, officers, partners, stockholders, members and managers of the Reporting Persons expressly disclaims beneficial ownership of these securities, except to the extent of any pecuniary interest therein, and this Form 4 shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. The address of each Reporting Person is c/o Ares Management LLC, 2000 Avenue of the Stars, 12th Floor, Los Angeles, CA 90067.