REI

SEC source: 0001628280-24-005187 · wk-form4_1708051539.xml · nonDerivative · entry 1

Roesener Regina · CIK 0001789267 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 446,262

F1 · price: This restricted stock unit award vests on February 13, 2025, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-24-005183 · wk-form4_1708051422.xml · nonDerivative · entry 1

Dyes Alexander · CIK 0001837536 · EVP Engineering, Corp Strategy

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 514,214

F1 · price: This restricted stock unit award vests on an equal annual basis over a three-year period with the first vesting date on February 13, 2025, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-24-005181 · wk-form4_1708051367.xml · nonDerivative · entry 1

Habachy David · CIK 0001738013 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 172,933

F1 · price: This restricted stock unit award vests on February 13, 2025, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-24-005179 · wk-form4_1708051302.xml · nonDerivative · entry 1

McKinney Paul D. · CIK 0001622419 · Director · CEO and Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,704,457

F1 · price: This restricted stock unit award vests on an equal annual basis over a three-year period with the first vesting date on February 13, 2025, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-24-005162 · wk-form4_1708043522.xml · nonDerivative · entry 1

Thomas Travis · CIK 0001857253 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 447,703

F1 · price: This restricted stock unit award vests on an equal annual basis over a three-year period with the first vesting date on February 13, 2025, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-24-004615 · wk-form4_1707879047.xml · nonDerivative · entry 1

McKinney Paul D. · CIK 0001622419 · Director · CEO and Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,290,043

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-24-004606 · wk-form4_1707875229.xml · nonDerivative · entry 1

Dyes Alexander · CIK 0001837536 · EVP Engineering, Corp Strategy

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 388,088

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-24-004592 · wk-form4_1707868422.xml · nonDerivative · entry 1

Thomas Travis · CIK 0001857253 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 321,577

SEC source: 0001628280-24-004591 · wk-form4_1707868362.xml · nonDerivative · entry 1

Brooks Stephen Donald · CIK 0001835016 · EVP-Land, Legal, HR, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 358,950

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-24-004588 · wk-form4_1707868262.xml · nonDerivative · entry 1

Baghdati Marinos Christos · CIK 0001837145 · EVP Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 358,950

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-041796 · wk-form4_1702936592.xml · nonDerivative · entry 1

Woodrum Clayton Eugene · CIK 0001359110 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 257,094

SEC source: 0001628280-23-040646 · wk-form4_1701727870.xml · nonDerivative · entry 1

CRUM JOHN A · CIK 0001240204 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 355,094

F1 · price: The price in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.669 to $1.68, inclusive. The reporting person undertakes to provide to the Registrant, any security holder of the Registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

SEC source: 0001628280-23-039185 · wk-form4_1700088714.xml · nonDerivative · entry 1

McKinney Paul D. · CIK 0001622419 · Director · CEO and Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,318,231

SEC source: 0001628280-23-035424 · wk-form4_1698441572.xml · nonDerivative · entry 1

Thomas Travis · CIK 0001857253 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 328,662

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-033727 · wk-form4_1696373692.xml · nonDerivative · entry 1

Dyes Alexander · CIK 0001837536 · EVP Engineering, Corp Strategy

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 395,173

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-033725 · wk-form4_1696373635.xml · nonDerivative · entry 1

Baghdati Marinos Christos · CIK 0001837145 · EVP Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 366,035

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-033723 · wk-form4_1696373540.xml · nonDerivative · entry 1

Brooks Stephen Donald · CIK 0001835016 · EVP-Land, Legal, HR, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 366,035

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-033720 · wk-form4_1696373293.xml · nonDerivative · entry 1

McKinney Paul D. · CIK 0001622419 · Director · CEO and Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,268,231

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-032216 · wf-form4_169464195141240.xml · nonDerivative · entry 1

Petrelli Anthony Benedict · CIK 0001354750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 611,294

F1 · price: The price in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.9096 to $1.94, inclusive. The reporting person undertakes to provide to the Registrant, any security holder of the Registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

SEC source: 0001104659-23-100451 · tm2325994-1_4seq1.xml · nonDerivative · entry 1

STRONGHOLD ENERGY II OPERATING, LLC · CIK 0001944796 · 10% owner

STRONGHOLD ENERGY II INTERMEDIATE, LLC · CIK 0001944783 · 10% owner

STRONGHOLD ENERGY II HOLDINGS, LLC · CIK 0001944798 · 10% owner

BEN-DOR ROY · CIK 0001945400 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 46,120,643

F1 · kind: The reported securities were distributed for no consideration to certain members of the Stronghold Energy II Operating LLC ("Stronghold OpCo") management team.

F1 · shares: The reported securities were distributed for no consideration to certain members of the Stronghold Energy II Operating LLC ("Stronghold OpCo") management team.

F1 · price: The reported securities were distributed for no consideration to certain members of the Stronghold Energy II Operating LLC ("Stronghold OpCo") management team.

F2 · ownership.nature: The reported securities are held directly by Stronghold OpCo. Stronghold Energy II Intermediate, LLC ("Stronghold Intermediate") is the managing member of Stronghold OpCo, and Stronghold Energy II Holdings, LLC ("Stronghold Holdings" and, collectively with Stronghold OpCo and Stronghold Intermediate, the "Stronghold Entities") is the managing member of Stronghold Intermediate. In connection with the closing of the Purchase Agreement, Stronghold OpCo received the right to designate two directors to serve on the Issuer's Board, subject to certain approval rights of the Issuer. One of the designated directors, Roy Ben-Dor, is a managing director of Warburg Pincus & Company US, LLC ("Warburg Pincus").

F3 · ownership.nature: Warburg Pincus is the general partner of Warburg Pincus Partners II (US), L.P., which is the managing member of Warburg Pincus (E&P) Energy LLC and Warburg Pincus (E&P) XII LLC. Warburg Pincus (E&P) Energy LLC is the general partner of Warburg Pincus (E&P) Energy GP, L.P., which is the general partner of Warburg Pincus Energy (E&P)-A, L.P., WP Energy Stronghold Holdings, L.P., WP Energy Partners Stronghold Holdings, L.P., Warburg Pincus Energy (E&P) Partners-A, L.P., and Warburg Pincus Energy (E&P) Partners-B, L.P. Warburg Pincus Energy (E&P) Partners-B, L.P. is the managing member of Warburg Pincus Energy (E&P) Partners-B Stronghold, LLC.

F4 · ownership.nature: Warburg Pincus (E&P) XII LLC is the general partner of Warburg Pincus (E&P) XII, L.P., which is the general partner of Warburg Pincus XII (E&P) Partners-1, L.P., Warburg Pincus XII (E&P) Partners-2, L.P., WP XII Stronghold Holdings, L.P., WP XII (E&P) Partners (A), L.P., Warburg Pincus Private Equity (E&P) XII (A), L.P., Warburg Pincus Private Equity (E&P) XII-D (A), L.P., and Warburg Pincus Private Equity (E&P) XII-E (A), L.P. Warburg Pincus XII (E&P) Partners-2, L.P. is the managing member of Warburg Pincus XII (E&P) Partners-2 Stronghold, LLC (Warburg Pincus and the other entities listed in these footnotes 3 and 4, collectively, the "Warburg Entities").

F5 · ownership.nature: The Warburg Entities collectively hold a majority of the membership interest in Stronghold Holdings. Each of the Stronghold Entities, Warburg Entities and Roy Ben-Dor, (collectively, the "Reporting Persons") directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of some or all of the shares owned by the Stronghold and, therefore, a "ten percent holder" hereunder.

F6 · ownership.nature: Each of the Reporting Persons other than Stronghold OpCo disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0001104659-23-100456 · tm2325994-3_4seq1.xml · nonDerivative · entry 1

Warburg Pincus (E&P) XII LLC · CIK 0001912643 · 10% owner

Warburg Pincus (E&P) XII, L.P. · CIK 0001912644 · 10% owner

Warburg Pincus XII (E&P) Partners-2, L.P. · CIK 0001792220 · 10% owner

Warburg Pincus XII (E&P) Partners-1, L.P. · CIK 0001792222 · 10% owner

WP XII STRONGHOLD HOLDINGS, L.P. · CIK 0001945099 · 10% owner

WP XII (E&P) Partners (A), L.P. · CIK 0001792213 · 10% owner

Warburg Pincus Private Equity (E&P) XII-E (A), L.P. · CIK 0001792224 · 10% owner

Warburg Pincus Private Equity (E&P) XII-D (A), L.P. · CIK 0001792199 · 10% owner

Warburg Pincus Private Equity (E&P) XII (A), L.P. · CIK 0001792241 · 10% owner

WARBURG PINCUS XII (E&P) PARTNERS-2 STRONGHOLD, LLC · CIK 0001945090 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 46,120,643

F1 · kind: The reported securities were distributed for no consideration to certain members of the Stronghold Energy II Operating LLC ("Stronghold OpCo") management team.

F1 · shares: The reported securities were distributed for no consideration to certain members of the Stronghold Energy II Operating LLC ("Stronghold OpCo") management team.

F1 · price: The reported securities were distributed for no consideration to certain members of the Stronghold Energy II Operating LLC ("Stronghold OpCo") management team.

F2 · ownership.nature: The reported securities are held directly by Stronghold OpCo. Stronghold Energy II Intermediate, LLC ("Stronghold Intermediate") is the managing member of Stronghold OpCo, and Stronghold Energy II Holdings, LLC ("Stronghold Holdings" and, collectively with Stronghold OpCo and Stronghold Intermediate, the "Stronghold Entities") is the managing member of Stronghold Intermediate. In connection with the closing of the Purchase Agreement, Stronghold OpCo received the right to designate two directors to serve on the Issuer's Board, subject to certain approval rights of the Issuer. One of the designated directors, Roy Ben-Dor, is a managing director of Warburg Pincus & Company US, LLC ("Warburg Pincus").

F3 · ownership.nature: Warburg Pincus is the general partner of Warburg Pincus Partners II (US), L.P., which is the managing member of Warburg Pincus (E&P) Energy LLC and Warburg Pincus (E&P) XII LLC. Warburg Pincus (E&P) Energy LLC is the general partner of Warburg Pincus (E&P) Energy GP, L.P., which is the general partner of Warburg Pincus Energy (E&P)-A, L.P., WP Energy Stronghold Holdings, L.P., WP Energy Partners Stronghold Holdings, L.P., Warburg Pincus Energy (E&P) Partners-A, L.P., and Warburg Pincus Energy (E&P) Partners-B, L.P. Warburg Pincus Energy (E&P) Partners-B, L.P. is the managing member of Warburg Pincus Energy (E&P) Partners-B Stronghold, LLC.

F4 · ownership.nature: Warburg Pincus (E&P) XII LLC is the general partner of Warburg Pincus (E&P) XII, L.P., which is the general partner of Warburg Pincus XII (E&P) Partners-1, L.P., Warburg Pincus XII (E&P) Partners-2, L.P., WP XII Stronghold Holdings, L.P., WP XII (E&P) Partners (A), L.P., Warburg Pincus Private Equity (E&P) XII (A), L.P., Warburg Pincus Private Equity (E&P) XII-D (A), L.P., and Warburg Pincus Private Equity (E&P) XII-E (A), L.P. Warburg Pincus XII (E&P) Partners-2, L.P. is the managing member of Warburg Pincus XII (E&P) Partners-2 Stronghold, LLC (Warburg Pincus and the other entities listed in these footnotes 3 and 4, collectively, the "Warburg Entities").

F5 · ownership.nature: The Warburg Entities collectively hold a majority of the membership interest in Stronghold Holdings. Each of the Stronghold Entities, Warburg Entities and Roy Ben-Dor, (collectively, the "Reporting Persons") directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of some or all of the shares owned by the Stronghold and, therefore, a "ten percent holder" hereunder.

F6 · ownership.nature: Each of the Reporting Persons other than Stronghold OpCo disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0001104659-23-100453 · tm2325994-2_4seq1.xml · nonDerivative · entry 1

Warburg Pincus & Co US, LLC · CIK 0001635320 · 10% owner

Warburg Pincus Partners II (US), L.P. · CIK 0001658788 · 10% owner

Warburg Pincus (E&P) Energy LLC · CIK 0001774132 · 10% owner

Warburg Pincus (E&P) Energy GP, L.P. · CIK 0001774123 · 10% owner

Warburg Pincus Energy (E&P)-A, L.P. · CIK 0001774139 · 10% owner

WP ENERGY STRONGHOLD HOLDINGS, L.P. · CIK 0001945107 · 10% owner

WP ENERGY PARTNERS STRONGHOLD HOLDINGS, L.P. · CIK 0001945079 · 10% owner

Warburg Pincus Energy (E&P) Partners-B, L.P. · CIK 0001774137 · 10% owner

Warburg Pincus Energy (E&P) Partners-A, L.P. · CIK 0001774136 · 10% owner

WARBURG PINCUS ENERGY (E&P) PARTNERS-B STRONGHOLD, LLC · CIK 0001945097 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 46,120,643

F1 · kind: The reported securities were distributed for no consideration to certain members of the Stronghold Energy II Operating LLC ("Stronghold OpCo") management team.

F1 · shares: The reported securities were distributed for no consideration to certain members of the Stronghold Energy II Operating LLC ("Stronghold OpCo") management team.

F1 · price: The reported securities were distributed for no consideration to certain members of the Stronghold Energy II Operating LLC ("Stronghold OpCo") management team.

F2 · ownership.nature: The reported securities are held directly by Stronghold OpCo. Stronghold Energy II Intermediate, LLC ("Stronghold Intermediate") is the managing member of Stronghold OpCo, and Stronghold Energy II Holdings, LLC ("Stronghold Holdings" and, collectively with Stronghold OpCo and Stronghold Intermediate, the "Stronghold Entities") is the managing member of Stronghold Intermediate. In connection with the closing of the Purchase Agreement, Stronghold OpCo received the right to designate two directors to serve on the Issuer's Board, subject to certain approval rights of the Issuer. One of the designated directors, Roy Ben-Dor, is a managing director of Warburg Pincus & Company US, LLC ("Warburg Pincus").

F3 · ownership.nature: Warburg Pincus is the general partner of Warburg Pincus Partners II (US), L.P., which is the managing member of Warburg Pincus (E&P) Energy LLC and Warburg Pincus (E&P) XII LLC. Warburg Pincus (E&P) Energy LLC is the general partner of Warburg Pincus (E&P) Energy GP, L.P., which is the general partner of Warburg Pincus Energy (E&P)-A, L.P., WP Energy Stronghold Holdings, L.P., WP Energy Partners Stronghold Holdings, L.P., Warburg Pincus Energy (E&P) Partners-A, L.P., and Warburg Pincus Energy (E&P) Partners-B, L.P. Warburg Pincus Energy (E&P) Partners-B, L.P. is the managing member of Warburg Pincus Energy (E&P) Partners-B Stronghold, LLC.

F4 · ownership.nature: Warburg Pincus (E&P) XII LLC is the general partner of Warburg Pincus (E&P) XII, L.P., which is the general partner of Warburg Pincus XII (E&P) Partners-1, L.P., Warburg Pincus XII (E&P) Partners-2, L.P., WP XII Stronghold Holdings, L.P., WP XII (E&P) Partners (A), L.P., Warburg Pincus Private Equity (E&P) XII (A), L.P., Warburg Pincus Private Equity (E&P) XII-D (A), L.P., and Warburg Pincus Private Equity (E&P) XII-E (A), L.P. Warburg Pincus XII (E&P) Partners-2, L.P. is the managing member of Warburg Pincus XII (E&P) Partners-2 Stronghold, LLC (Warburg Pincus and the other entities listed in these footnotes 3 and 4, collectively, the "Warburg Entities").

F5 · ownership.nature: The Warburg Entities collectively hold a majority of the membership interest in Stronghold Holdings. Each of the Stronghold Entities, Warburg Entities and Roy Ben-Dor, (collectively, the "Reporting Persons") directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of some or all of the shares owned by the Stronghold and, therefore, a "ten percent holder" hereunder.

F6 · ownership.nature: Each of the Reporting Persons other than Stronghold OpCo disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0001628280-23-031576 · wf-form4_169403472379400.xml · nonDerivative · entry 1

Woodrum Clayton Eugene · CIK 0001359110 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 275,094

SEC source: 0001104659-23-095397 · tm2324883-1_4seq1.xml · nonDerivative · entry 1

STRONGHOLD ENERGY II OPERATING, LLC · CIK 0001944796 · 10% owner

STRONGHOLD ENERGY II INTERMEDIATE, LLC · CIK 0001944783 · 10% owner

STRONGHOLD ENERGY II HOLDINGS, LLC · CIK 0001944798 · 10% owner

BEN-DOR ROY · CIK 0001945400 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 46,994,853

F1 · ownership.nature: The reported securities are held directly by Stronghold Energy II Operating LLC ("Stronghold OpCo"). Stronghold Energy II Intermediate, LLC ("Stronghold Intermediate") is the managing member of Stronghold OpCo, and Stronghold Energy II Holdings, LLC ("Stronghold Holdings" and, collectively with Stronghold OpCo and Stronghold Intermediate, the "Stronghold Entities") is the managing member of Stronghold Intermediate. In connection with the closing of the Purchase Agreement, Stronghold OpCo received the right to designate two directors to serve on the Issuer's Board, subject to certain approval rights of the Issuer. One of the designated directors, Roy Ben-Dor, is a managing director of Warburg Pincus & Company US, LLC ("Warburg Pincus").

F2 · ownership.nature: Warburg Pincus is the general partner of Warburg Pincus Partners II (US), L.P., which is the managing member of Warburg Pincus (E&P) Energy LLC and Warburg Pincus (E&P) XII LLC. Warburg Pincus (E&P) Energy LLC is the general partner of Warburg Pincus (E&P) Energy GP, L.P., which is the general partner of Warburg Pincus Energy (E&P)-A, L.P., WP Energy Stronghold Holdings, L.P., WP Energy Partners Stronghold Holdings, L.P., Warburg Pincus Energy (E&P) Partners-A, L.P., and Warburg Pincus Energy (E&P) Partners-B, L.P. Warburg Pincus Energy (E&P) Partners-B, L.P. is the managing member of Warburg Pincus Energy (E&P) Partners-B Stronghold, LLC.

F3 · ownership.nature: Warburg Pincus (E&P) XII LLC is the general partner of Warburg Pincus (E&P) XII, L.P., which is the general partner of Warburg Pincus XII (E&P) Partners-1, L.P., Warburg Pincus XII (E&P) Partners-2, L.P., WP XII Stronghold Holdings, L.P., WP XII (E&P) Partners (A), L.P., Warburg Pincus Private Equity (E&P) XII (A), L.P., Warburg Pincus Private Equity (E&P) XII-D (A), L.P., and Warburg Pincus Private Equity (E&P) XII-E (A), L.P. Warburg Pincus XII (E&P) Partners-2, L.P. is the managing member of Warburg Pincus XII (E&P) Partners-2 Stronghold, LLC (Warburg Pincus and the other entities listed in these footnotes 4 and 5, collectively, the "Warburg Entities").

F4 · ownership.nature: The Warburg Entities collectively hold a majority of the membership interest in Stronghold Holdings. Each of the Stronghold Entities, Warburg Entities and Roy Ben-Dor, (collectively, the "Reporting Persons") directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of some or all of the shares owned by the Stronghold and, therefore, a "ten percent holder" hereunder.

F5 · ownership.nature: Each of the Reporting Persons other than Stronghold OpCo disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0001104659-23-095400 · tm2324883-3_4seq1.xml · nonDerivative · entry 1

Warburg Pincus (E&P) XII LLC · CIK 0001912643 · 10% owner

Warburg Pincus (E&P) XII, L.P. · CIK 0001912644 · 10% owner

Warburg Pincus XII (E&P) Partners-2, L.P. · CIK 0001792220 · 10% owner

Warburg Pincus XII (E&P) Partners-1, L.P. · CIK 0001792222 · 10% owner

WP XII STRONGHOLD HOLDINGS, L.P. · CIK 0001945099 · 10% owner

WP XII (E&P) Partners (A), L.P. · CIK 0001792213 · 10% owner

Warburg Pincus Private Equity (E&P) XII-E (A), L.P. · CIK 0001792224 · 10% owner

Warburg Pincus Private Equity (E&P) XII-D (A), L.P. · CIK 0001792199 · 10% owner

Warburg Pincus Private Equity (E&P) XII (A), L.P. · CIK 0001792241 · 10% owner

WARBURG PINCUS XII (E&P) PARTNERS-2 STRONGHOLD, LLC · CIK 0001945090 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 46,994,853

F1 · ownership.nature: The reported securities are held directly by Stronghold Energy II Operating LLC ("Stronghold OpCo"). Stronghold Energy II Intermediate, LLC ("Stronghold Intermediate") is the managing member of Stronghold OpCo, and Stronghold Energy II Holdings, LLC ("Stronghold Holdings" and, collectively with Stronghold OpCo and Stronghold Intermediate, the "Stronghold Entities") is the managing member of Stronghold Intermediate. In connection with the closing of the Purchase Agreement, Stronghold OpCo received the right to designate two directors to serve on the Issuer's Board, subject to certain approval rights of the Issuer. One of the designated directors, Roy Ben-Dor, is a managing director of Warburg Pincus & Company US, LLC ("Warburg Pincus").

F2 · ownership.nature: Warburg Pincus is the general partner of Warburg Pincus Partners II (US), L.P., which is the managing member of Warburg Pincus (E&P) Energy LLC and Warburg Pincus (E&P) XII LLC. Warburg Pincus (E&P) Energy LLC is the general partner of Warburg Pincus (E&P) Energy GP, L.P., which is the general partner of Warburg Pincus Energy (E&P)-A, L.P., WP Energy Stronghold Holdings, L.P., WP Energy Partners Stronghold Holdings, L.P., Warburg Pincus Energy (E&P) Partners-A, L.P., and Warburg Pincus Energy (E&P) Partners-B, L.P. Warburg Pincus Energy (E&P) Partners-B, L.P. is the managing member of Warburg Pincus Energy (E&P) Partners-B Stronghold, LLC.

F3 · ownership.nature: Warburg Pincus (E&P) XII LLC is the general partner of Warburg Pincus (E&P) XII, L.P., which is the general partner of Warburg Pincus XII (E&P) Partners-1, L.P., Warburg Pincus XII (E&P) Partners-2, L.P., WP XII Stronghold Holdings, L.P., WP XII (E&P) Partners (A), L.P., Warburg Pincus Private Equity (E&P) XII (A), L.P., Warburg Pincus Private Equity (E&P) XII-D (A), L.P., and Warburg Pincus Private Equity (E&P) XII-E (A), L.P. Warburg Pincus XII (E&P) Partners-2, L.P. is the managing member of Warburg Pincus XII (E&P) Partners-2 Stronghold, LLC (Warburg Pincus and the other entities listed in these footnotes 4 and 5, collectively, the "Warburg Entities").

F4 · ownership.nature: The Warburg Entities collectively hold a majority of the membership interest in Stronghold Holdings. Each of the Stronghold Entities, Warburg Entities and Roy Ben-Dor, (collectively, the "Reporting Persons") directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of some or all of the shares owned by the Stronghold and, therefore, a "ten percent holder" hereunder.

F5 · ownership.nature: Each of the Reporting Persons other than Stronghold OpCo disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0001104659-23-095399 · tm2324883-2_4seq1.xml · nonDerivative · entry 1

Warburg Pincus & Co US, LLC · CIK 0001635320 · 10% owner

Warburg Pincus Partners II (US), L.P. · CIK 0001658788 · 10% owner

Warburg Pincus (E&P) Energy LLC · CIK 0001774132 · 10% owner

Warburg Pincus (E&P) Energy GP, L.P. · CIK 0001774123 · 10% owner

Warburg Pincus Energy (E&P)-A, L.P. · CIK 0001774139 · 10% owner

WP ENERGY STRONGHOLD HOLDINGS, L.P. · CIK 0001945107 · 10% owner

WP ENERGY PARTNERS STRONGHOLD HOLDINGS, L.P. · CIK 0001945079 · 10% owner

Warburg Pincus Energy (E&P) Partners-B, L.P. · CIK 0001774137 · 10% owner

Warburg Pincus Energy (E&P) Partners-A, L.P. · CIK 0001774136 · 10% owner

WARBURG PINCUS ENERGY (E&P) PARTNERS-B STRONGHOLD, LLC · CIK 0001945097 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 46,994,853

F1 · ownership.nature: The reported securities are held directly by Stronghold Energy II Operating LLC ("Stronghold OpCo"). Stronghold Energy II Intermediate, LLC ("Stronghold Intermediate") is the managing member of Stronghold OpCo, and Stronghold Energy II Holdings, LLC ("Stronghold Holdings" and, collectively with Stronghold OpCo and Stronghold Intermediate, the "Stronghold Entities") is the managing member of Stronghold Intermediate. In connection with the closing of the Purchase Agreement, Stronghold OpCo received the right to designate two directors to serve on the Issuer's Board, subject to certain approval rights of the Issuer. One of the designated directors, Roy Ben-Dor, is a managing director of Warburg Pincus & Company US, LLC ("Warburg Pincus").

F2 · ownership.nature: Warburg Pincus is the general partner of Warburg Pincus Partners II (US), L.P., which is the managing member of Warburg Pincus (E&P) Energy LLC and Warburg Pincus (E&P) XII LLC. Warburg Pincus (E&P) Energy LLC is the general partner of Warburg Pincus (E&P) Energy GP, L.P., which is the general partner of Warburg Pincus Energy (E&P)-A, L.P., WP Energy Stronghold Holdings, L.P., WP Energy Partners Stronghold Holdings, L.P., Warburg Pincus Energy (E&P) Partners-A, L.P., and Warburg Pincus Energy (E&P) Partners-B, L.P. Warburg Pincus Energy (E&P) Partners-B, L.P. is the managing member of Warburg Pincus Energy (E&P) Partners-B Stronghold, LLC.

F3 · ownership.nature: Warburg Pincus (E&P) XII LLC is the general partner of Warburg Pincus (E&P) XII, L.P., which is the general partner of Warburg Pincus XII (E&P) Partners-1, L.P., Warburg Pincus XII (E&P) Partners-2, L.P., WP XII Stronghold Holdings, L.P., WP XII (E&P) Partners (A), L.P., Warburg Pincus Private Equity (E&P) XII (A), L.P., Warburg Pincus Private Equity (E&P) XII-D (A), L.P., and Warburg Pincus Private Equity (E&P) XII-E (A), L.P. Warburg Pincus XII (E&P) Partners-2, L.P. is the managing member of Warburg Pincus XII (E&P) Partners-2 Stronghold, LLC (Warburg Pincus and the other entities listed in these footnotes 4 and 5, collectively, the "Warburg Entities").

F4 · ownership.nature: The Warburg Entities collectively hold a majority of the membership interest in Stronghold Holdings. Each of the Stronghold Entities, Warburg Entities and Roy Ben-Dor, (collectively, the "Reporting Persons") directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of some or all of the shares owned by the Stronghold and, therefore, a "ten percent holder" hereunder.

F5 · ownership.nature: Each of the Reporting Persons other than Stronghold OpCo disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0001628280-23-023000 · wf-form4_168739405613223.xml · nonDerivative · entry 1

Baghdati Marinos Christos · CIK 0001837145 · EVP Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 382,269

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-022997 · wf-form4_168739390946068.xml · nonDerivative · entry 1

Brooks Stephen Donald · CIK 0001835016 · EVP-Land, Legal, HR, Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 382,269

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-022995 · wf-form4_168739376210254.xml · nonDerivative · entry 1

McKinney Paul D. · CIK 0001622419 · Director · CEO and Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,307,581

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-022993 · wf-form4_168739356494253.xml · nonDerivative · entry 1

Thomas Travis · CIK 0001857253 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 340,837

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-020675 · wf-form4_168573743535427.xml · nonDerivative · entry 1

Woodrum Clayton Eugene · CIK 0001359110 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 285,094

SEC source: 0001628280-23-018216 · wf-form4_168418269173305.xml · nonDerivative · entry 1

McKinney Paul D. · CIK 0001622419 · Director · CEO and Chairman of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,345,192

SEC source: 0001628280-23-011120 · wf-form4_168089977198564.xml · nonDerivative · entry 1

HARRIS RICHARD E · CIK 0001244730 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 227,694

F1 · price: The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.7501 to $1.765, inclusive. The reporting person undertakes to provide to the Registrant, any security holder of the Registrant, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001628280-23-008531 · wf-form4_167909608542437.xml · nonDerivative · entry 2

McKinney Paul D. · CIK 0001622419 · Director · CEO and Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,320,192

SEC source: 0001628280-23-008531 · wf-form4_167909608542437.xml · nonDerivative · entry 1

McKinney Paul D. · CIK 0001622419 · Director · CEO and Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,270,192

SEC source: 0001628280-23-004389 · wf-form4_167702400585038.xml · nonDerivative · entry 1

Petrelli Anthony Benedict · CIK 0001354750 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 561,294

F1 · price: This restricted stock unit award vests on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004394 · wf-form4_167702415825366.xml · nonDerivative · entry 1

HARRIS RICHARD E · CIK 0001244730 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 305,094

F1 · price: This restricted stock unit award vests on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004401 · wf-form4_167702453541735.xml · nonDerivative · entry 1

CRUM JOHN A · CIK 0001240204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 305,094

F1 · price: This restricted stock unit award vests on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004399 · wf-form4_167702443757963.xml · nonDerivative · entry 1

MITCHELL THOMAS L · CIK 0001250243 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 305,094

F1 · price: This restricted stock unit award vests on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004406 · wf-form4_167702480567014.xml · nonDerivative · entry 1

Woodrum Clayton Eugene · CIK 0001359110 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 290,094

F1 · price: This restricted stock unit award vests on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004403 · wf-form4_167702467831472.xml · nonDerivative · entry 1

Habachy David · CIK 0001738013 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,365

F1 · price: This restricted stock unit award vests on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004397 · wf-form4_167702426082111.xml · nonDerivative · entry 1

Roesener Regina · CIK 0001789267 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 378,694

F1 · price: This restricted stock unit award vests on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004387 · wf-form4_167702390274953.xml · nonDerivative · entry 1

Dyes Alexander · CIK 0001837536 · EVP Engineering, Corp Strategy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 411,407

F1 · price: This restricted stock unit award vests on an equal annual basis over a three-year period with the first vesting date on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004385 · wf-form4_167702382994889.xml · nonDerivative · entry 1

Baghdati Marinos Christos · CIK 0001837145 · EVP Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 388,088

F1 · price: This restricted stock unit award vests on an equal annual basis over a three-year period with the first vesting date on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004383 · wf-form4_167702372681334.xml · nonDerivative · entry 1

Brooks Stephen Donald · CIK 0001835016 · EVP-Land, Legal, HR, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 388,088

F1 · price: This restricted stock unit award vests on an equal annual basis over a three-year period with the first vesting date on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004380 · wf-form4_167702361275088.xml · nonDerivative · entry 1

Thomas Travis · CIK 0001857253 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 346,656

F1 · price: This restricted stock unit award vests on an equal annual basis over a three-year period with the first vesting date on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-004377 · wf-form4_167702346548796.xml · nonDerivative · entry 1

McKinney Paul D. · CIK 0001622419 · Director · CEO and Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,220,192

F1 · price: This restricted stock unit award vests on an equal annual basis over a three-year period with the first vesting date on February 16, 2024, subject to the terms of the restricted stock unit agreement. Each restricted stock unit represents the contingent right to receive one share of common stock of the Issuer.

SEC source: 0001628280-23-003390 · wf-form4_167633039049930.xml · nonDerivative · entry 1

Baghdati Marinos Christos · CIK 0001837145 · EVP Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297,998

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-003388 · wf-form4_167633014973897.xml · nonDerivative · entry 1

Brooks Stephen Donald · CIK 0001835016 · EVP-Land, Legal, HR, Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297,998

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.

SEC source: 0001628280-23-003386 · wf-form4_167632996262956.xml · nonDerivative · entry 1

Thomas Travis · CIK 0001857253 · EVP, Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 256,566

F1 · shares: Shares of Common Stock withheld by the Registrant to cover tax withholding obligations of the reporting person arising from the settlement of a restricted stock unit award granted under the Registrant's long-term incentive plan.