LBRT

SEC source: 0001209191-18-026202 · doc4.xml · nonDerivative · entry 2

Gosney Ryan T · CIK 0001684189 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,640

F2 · security: Represents restricted stock units granted on April 24, 2018, which vest in two equal installments on April 1, 2019 and 2020, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Oilfield Services Inc. Class A common stock following vesting.

F2 · price: Represents restricted stock units granted on April 24, 2018, which vest in two equal installments on April 1, 2019 and 2020, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Oilfield Services Inc. Class A common stock following vesting.

SEC source: 0001209191-18-026202 · doc4.xml · nonDerivative · entry 1

Gosney Ryan T · CIK 0001684189 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,230

F1 · security: Represents restricted stock units granted on April 24, 2018, which vest in three equal installments on April 1, 2019, 2020 and 2021, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Oilfield Services Inc. Class A common stock following vesting.

F1 · price: Represents restricted stock units granted on April 24, 2018, which vest in three equal installments on April 1, 2019, 2020 and 2021, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Oilfield Services Inc. Class A common stock following vesting.

SEC source: 0001209191-18-026199 · doc4.xml · nonDerivative · entry 2

ELLIOTT R SEAN · CIK 0001419734 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,821

F2 · security: Represents restricted stock units granted on April 24, 2018, which vest in two equal installments on April 1, 2019 and 2020, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Oilfield Services Inc. Class A common stock following vesting.

F2 · price: Represents restricted stock units granted on April 24, 2018, which vest in two equal installments on April 1, 2019 and 2020, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Oilfield Services Inc. Class A common stock following vesting.

SEC source: 0001209191-18-026199 · doc4.xml · nonDerivative · entry 1

ELLIOTT R SEAN · CIK 0001419734 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,116

F1 · security: Represents restricted stock units granted on April 24, 2018, which vest in three equal installments on April 1, 2019, 2020 and 2021, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Oilfield Services Inc. Class A common stock following vesting.

F1 · price: Represents restricted stock units granted on April 24, 2018, which vest in three equal installments on April 1, 2019, 2020 and 2021, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Oilfield Services Inc. Class A common stock following vesting.

SEC source: 0000899243-18-001541 · doc4.xml · nonDerivative · entry 1

Babcock Ken · CIK 0001705702 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,823

F1 · shares: These shares of Class A Common Stock were purchased in Liberty Oilfield Services Inc.'s initial public offering.

SEC source: 0000899243-18-001542 · doc4.xml · nonDerivative · entry 2

Stock Michael · CIK 0001705066 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,499,327

F2 · shares: Represents securities redeemed by the Issuer pursuant to the MRA in connection with the exercise of the underwriters' over-allotment option.

F3 · price: Represents the price to the public less underwriting discounts and commissions in the Issuer's initial public offering of shares of its Class A common stock.

SEC source: 0000899243-18-001542 · doc4.xml · nonDerivative · entry 1

Stock Michael · CIK 0001705066 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,528,856

F1 · price: The reporting person acquired these securities in accordance with the Master Reorganization Agreement (the "MRA"), dated January 11, 2018, by and among Liberty Oilfield Services Inc. (the "Issuer"), the reporting person and the other parties thereto.

SEC source: 0000899243-18-001539 · doc4.xml · nonDerivative · entry 2

Wright Christopher A · CIK 0001292100 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,543,451

F2 · shares: Represents securities redeemed by the Issuer pursuant to the MRA in connection with the exercise of the underwriters' over-allotment option.

F3 · price: Represents the price to the public less underwriting discounts and commissions in the Issuer's initial public offering of shares of its Class A common stock.

SEC source: 0000899243-18-001539 · doc4.xml · nonDerivative · entry 1

Wright Christopher A · CIK 0001292100 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,613,240

F1 · price: The reporting person acquired these securities in accordance with the Master Reorganization Agreement (the "MRA"), dated January 11, 2018, by and among Liberty Oilfield Services Inc. (the "Issuer"), the reporting person and the other parties thereto.

SEC source: 0000899243-18-001540 · doc4.xml · nonDerivative · entry 4

Gusek Ron · CIK 0001705083 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,311,538

F5 · shares: These shares of restricted Class A Common Stock, granted pursuant to the Liberty Oilfield Services Inc. Legacy Restricted Stock Plan, will vest in three equal annual installments beginning on October 31, 2018.

SEC source: 0000899243-18-001540 · doc4.xml · nonDerivative · entry 3

Gusek Ron · CIK 0001705083 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,019,057

F4 · shares: These shares of restricted Class A Common Stock, granted pursuant to the Liberty Oilfield Services Inc. Legacy Restricted Stock Plan, will vest on February 20, 2018.

SEC source: 0000899243-18-001540 · doc4.xml · nonDerivative · entry 2

Gusek Ron · CIK 0001705083 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 793,513

F2 · shares: Represents securities redeemed by the Issuer pursuant to the MRA in connection with the exercise of the underwriters' over-allotment option.

F3 · price: Represents the price to the public less underwriting discounts and commissions in the Issuer's initial public offering of shares of its Class A common stock.

SEC source: 0000899243-18-001540 · doc4.xml · nonDerivative · entry 1

Gusek Ron · CIK 0001705083 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 809,141

F1 · price: The reporting person acquired these securities in accordance with the Master Reorganization Agreement (the "MRA"), dated January 11, 2018, by and among Liberty Oilfield Services Inc. (the "Issuer"), the reporting person and the other parties thereto.

SEC source: 0000899243-18-001518 · doc4.xml · derivative · entry 14

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · Director · 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: 30,810,350

Underlying: Class A Common Stock · 647,374 shares

Expires not disclosed

F10 · derivative.exercise_price: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · price: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · derivative.exercise_date: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · derivative.expiration_date: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F11 · derivative.underlying_shares: Such reporting person holds a number of shares of Class B Common Stock of the Issuer equal to the number of Units held by such reporting person.

F2 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.nature: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

F12 · ownership.nature: Units held directly by R/C IV Liberty.

SEC source: 0000899243-18-001518 · doc4.xml · derivative · entry 13

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · 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: 557,972

Underlying: Class A Common Stock · 11,724 shares

Expires not disclosed

F10 · derivative.exercise_price: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · price: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · derivative.exercise_date: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · derivative.expiration_date: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F11 · derivative.underlying_shares: Such reporting person holds a number of shares of Class B Common Stock of the Issuer equal to the number of Units held by such reporting person.

F2 · ownership.direct: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.direct: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

SEC source: 0000899243-18-001518 · doc4.xml · derivative · entry 12

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · Director · 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: 31,457,724

Underlying: Class A Common Stock · 31,457,724 shares

Expires not disclosed

F10 · derivative.exercise_price: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · price: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · derivative.exercise_date: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · derivative.expiration_date: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F11 · derivative.underlying_shares: Such reporting person holds a number of shares of Class B Common Stock of the Issuer equal to the number of Units held by such reporting person.

F2 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.nature: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

F12 · ownership.nature: Units held directly by R/C IV Liberty.

SEC source: 0000899243-18-001518 · doc4.xml · derivative · entry 11

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · 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: 569,696

Underlying: Class A Common Stock · 569,696 shares

Expires not disclosed

F9 · security: "Units" means ownership interests in Liberty Oilfield Services New HoldCo LLC ("Liberty LLC"). The Issuer is the sole managing member of Liberty LLC.

F10 · derivative.exercise_price: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · price: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · derivative.exercise_date: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F10 · derivative.expiration_date: The limited liability company agreement of Liberty LLC provides certain holders of Units with certain rights to cause Liberty LLC to acquire all or a portion of the Units (the "Redemption Right") for, at Liberty LLC's election, (a) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (b) an equivalent amount of cash based on the 30-day volume weighted average price of Class A Common Stock ending on the trading day that is immediately prior to the date that the Redemption Right is exercised. The Units and the right to exercise the Redemption Right have no expiration date.

F11 · derivative.underlying_shares: Such reporting person holds a number of shares of Class B Common Stock of the Issuer equal to the number of Units held by such reporting person.

F2 · ownership.direct: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.direct: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

SEC source: 0000899243-18-001518 · doc4.xml · nonDerivative · entry 10

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · Director · 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: 30,810,350

F8 · price: Represents securities forfeited for no additional consideration upon repurchase of the parallel Units.

F2 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.nature: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

F4 · ownership.nature: Shares held directly by R/C IV Liberty.

SEC source: 0000899243-18-001518 · doc4.xml · nonDerivative · entry 9

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · 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: 557,972

F8 · price: Represents securities forfeited for no additional consideration upon repurchase of the parallel Units.

F2 · ownership.direct: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.direct: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

SEC source: 0000899243-18-001518 · doc4.xml · nonDerivative · entry 8

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · Director · 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: 15,259,481

F6 · shares: Represents securities sold in connection with the exercise of the underwriters' over-allotment option in connection with the initial public offering of shares of Class A Common Stock of the Issuer.

F7 · price: Represents the price to the public less underwriting discounts and commissions.

F2 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.nature: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

F5 · ownership.nature: Shares held directly by R/C Direct.

SEC source: 0000899243-18-001518 · doc4.xml · nonDerivative · entry 7

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · Director · 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: 4,334,937

F6 · shares: Represents securities sold in connection with the exercise of the underwriters' over-allotment option in connection with the initial public offering of shares of Class A Common Stock of the Issuer.

F7 · price: Represents the price to the public less underwriting discounts and commissions.

F2 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.nature: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

F4 · ownership.nature: Shares held directly by R/C IV Liberty.

SEC source: 0000899243-18-001518 · doc4.xml · nonDerivative · entry 6

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · 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: 78,505

F6 · shares: Represents securities sold in connection with the exercise of the underwriters' over-allotment option in connection with the initial public offering of shares of Class A Common Stock of the Issuer.

F7 · price: Represents the price to the public less underwriting discounts and commissions.

F2 · ownership.direct: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.direct: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

SEC source: 0000899243-18-001518 · doc4.xml · nonDerivative · entry 5

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · Director · 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: 31,457,724

F1 · price: Such reporting person acquired these securities in accordance with that certain Master Reorganization Agreement, dated January 11, 2018, by and among Liberty Oilfield Services Inc. (the "Issuer"), such reporting person and the other parties thereto, based on the 5-day volume weighted average price of Class A Common Stock of at least $20 per share.

F2 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.nature: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

F4 · ownership.nature: Shares held directly by R/C IV Liberty.

SEC source: 0000899243-18-001518 · doc4.xml · nonDerivative · entry 4

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · 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: 569,696

F1 · price: Such reporting person acquired these securities in accordance with that certain Master Reorganization Agreement, dated January 11, 2018, by and among Liberty Oilfield Services Inc. (the "Issuer"), such reporting person and the other parties thereto, based on the 5-day volume weighted average price of Class A Common Stock of at least $20 per share.

F2 · ownership.direct: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.direct: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

SEC source: 0000899243-18-001518 · doc4.xml · nonDerivative · entry 3

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · Director · 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: 15,560,022

F1 · price: Such reporting person acquired these securities in accordance with that certain Master Reorganization Agreement, dated January 11, 2018, by and among Liberty Oilfield Services Inc. (the "Issuer"), such reporting person and the other parties thereto, based on the 5-day volume weighted average price of Class A Common Stock of at least $20 per share.

F2 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.nature: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

F5 · ownership.nature: Shares held directly by R/C Direct.

SEC source: 0000899243-18-001518 · doc4.xml · nonDerivative · entry 2

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · Director · 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: 4,379,762

F1 · price: Such reporting person acquired these securities in accordance with that certain Master Reorganization Agreement, dated January 11, 2018, by and among Liberty Oilfield Services Inc. (the "Issuer"), such reporting person and the other parties thereto, based on the 5-day volume weighted average price of Class A Common Stock of at least $20 per share.

F2 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.nature: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

F4 · ownership.nature: Shares held directly by R/C IV Liberty.

SEC source: 0000899243-18-001518 · doc4.xml · nonDerivative · entry 1

Riverstone/Carlyle Energy Partners IV, L.P. · CIK 0001534496 · Director · 10% owner

R/C Energy IV Direct Partnership, L.P. · CIK 0001539633 · Director · 10% owner

R/C IV Liberty Holdings, L.P. · CIK 0001705417 · Director · 10% owner

R/C Energy GP IV, LLC · CIK 0001534523 · 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: 79,317

F1 · price: Such reporting person acquired these securities in accordance with that certain Master Reorganization Agreement, dated January 11, 2018, by and among Liberty Oilfield Services Inc. (the "Issuer"), such reporting person and the other parties thereto, based on the 5-day volume weighted average price of Class A Common Stock of at least $20 per share.

F2 · ownership.direct: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), each of R/C Energy GP IV, LLC ("R/C GP IV"), which is the sole general partner of Riverstone/Carlyle Energy Partners IV, L.P. ("Riverstone/Carlyle EP IV"), and Riverstone/Carlyle EP IV, which is the sole general partner of each of R/C Energy IV Direct Partnership, L.P. ("R/C Direct") and R/C IV Liberty Holdings, L.P. ("R/C IV Liberty"), may be deemed to have an indirect pecuniary interest in the securities held directly by R/C Direct and R/C IV Liberty. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by each of Riverstone/Carlyle EP IV, R/C Direct and R/C IV Liberty are reported herein.

F3 · ownership.direct: (Continued from footnote 2) Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.