LBRT

The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 17, 2026 for sales beginning in May 2026.

The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 17, 2026 for sales beginning in May 2026.

The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 17, 2026 for sales beginning in May 2026.

The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 17, 2026 for sales beginning in May 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.37 to $34.00, inclusive. The Reporting Person undertakes to provide to Liberty Energy Inc., any security holder of Liberty Energy Inc. 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.

The Reporting Person is amending the Form 4 filed on April 2, 2026 to correct (a) the number of shares of common stock previously withheld to satisfy tax withholding obligations, which were originally understated due to a clerical error and (b) the resulting number of shares of common stock beneficially owned by the Reporting person following the withholding.

The Reporting Person is amending the Form 4 filed on April 2, 2026 to correct (a) the number of shares of common stock previously withheld to satisfy tax withholding obligations, which were originally understated due to a clerical error and (b) the resulting number of shares of common stock beneficially owned by the Reporting person following the withholding.

The Reporting Person is amending the Form 4 filed on April 2, 2026 to correct (a) the number of shares of common stock previously withheld to satisfy tax withholding obligations, which were originally understated due to a clerical error and (b) the resulting number of shares of common stock beneficially owned by the Reporting person following the withholding.

The Reporting Person is amending the Form 4 filed on April 2, 2026 to correct (a) the number of shares of common stock previously withheld to satisfy tax withholding obligations, which were originally understated due to a clerical error and (b) the resulting number of shares of common stock beneficially owned by the Reporting person following the withholding.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.36 to $25.42, inclusive. The Reporting Person undertakes to provide to Liberty Energy Inc., any security holder of Liberty Energy Inc. 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.

This transaction involved a gift of securities by the Reporting Person to a charitable organization.

Represents restricted stock units granted on January 19, 2026, which vest in three equal installments on April 1, 2027, 2028 and 2029, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 19, 2026, which vest in three equal installments on April 1, 2027, 2028 and 2029, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 19, 2026, which vest in three equal installments on April 1, 2027, 2028 and 2029, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 19, 2026, which vest in three equal installments on April 1, 2027, 2028 and 2029, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 2, 2026, which vest 100% on January 2, 2027, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 2, 2026, which vest 100% on January 2, 2027, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 2, 2026, which vest 100% on January 2, 2027, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 2, 2026, which vest 100% on January 2, 2027, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 2, 2026, which vest 100% on January 2, 2027, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 2, 2026, which vest 100% on January 2, 2027, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 2, 2026, which vest 100% on January 2, 2027, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 2, 2026, which vest 100% on January 2, 2027, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

This transaction involved a gift of securities by the Reporting Person to a charitable organization.

Since the date of the reporting person's last ownership report, he transferred shares to his ex-spouse pursuant to a domestic relations order. The reporting person no longer reports those shares as beneficially owned.

Represents restricted stock units granted on October 16, 2025, which vest 100% on January 2, 2026, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2024 for sales beginning in January 2025.

Shares of common stock issued to the Reporting Person on April 1, 2025 upon achievement of the performance criteria and vesting of performance restricted stock units granted on January 18, 2022.

Represents shares withheld to satisfy the tax withholding obligations upon vesting of performance RSUs granted on January 18, 2022 and RSUs granted on January 18, 2022, February 8, 2023, and January 22, 2024.

Represents shares withheld to satisfy the tax withholding obligations upon vesting of performance RSUs granted on January 18, 2022 and RSUs granted on January 18, 2022, February 8, 2023, and January 22, 2024.

Represents shares withheld to satisfy the tax withholding obligations upon vesting of performance RSUs granted on January 18, 2022 and RSUs granted on January 18, 2022, February 8, 2023, and January 22, 2024.

Represents shares withheld to satisfy the tax withholding obligations upon vesting of performance RSUs granted on January 18, 2022 and RSUs granted on January 18, 2022, February 8, 2023, and January 22, 2024.

Shares of common stock issued to the Reporting Person on April 1, 2025 upon achievement of the performance criteria and vesting of performance restricted stock units granted on January 18, 2022.

Shares of common stock issued to the Reporting Person on April 1, 2025 upon achievement of the performance criteria and vesting of performance restricted stock units granted on January 18, 2022.

Shares of common stock issued to the Reporting Person on April 1, 2025 upon achievement of the performance criteria and vesting of performance restricted stock units granted on January 18, 2022.

The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2024 for sales beginning in January 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.87 to $17.39, inclusive. The Reporting Person undertakes to provide to Liberty Energy Inc., any security holder of Liberty Energy Inc. 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.

Represents restricted stock units granted on February 13, 2025, which vest 100% on February 13, 2026, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

The total reported in Column 5 includes 233,025 previously reported time-based restricted stock units net of shares withheld to satisfy withholding taxes upon vesting.

The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2024 for sales beginning in January 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.725 to $18.095, inclusive. The Reporting Person undertakes to provide to Liberty Energy Inc., any security holder of Liberty Energy Inc. 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.

Represents restricted stock units granted on February 3, 2025, which vest in three equal installments on April 1, 2026, 2027 and 2028, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on February 3, 2025 in connection with Reporting Person's appointment as Chairman of the Board, which vest 100% on January 2, 2026, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting

Shares of common stock issued to the Reporting Person on February 3, 2025 in connection with the accelerated vesting of all previously awarded performance-based restricted stock units, as previously announced by the Issuer in its Current Report on Form 8-K filed with the Securities and Exchange Commission on January 22, 2025.

Represents restricted stock units granted on January 22, 2025, which vest in three equal installments on April 1, 2026, 2027 and 2028, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 22, 2025, which vest in three equal installments on April 1, 2026, 2027 and 2028, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 22, 2025, which vest 100% on January 2, 2026, subject to continued service. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

Represents restricted stock units granted on January 22, 2025, which vest in three equal installments on April 1, 2026, 2027 and 2028, subject to continued employment. Each restricted stock unit represents a contingent right to receive one share of Liberty Energy Inc. Class A common stock following vesting.

The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2024 for sales beginning in January 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.00 to $23.02, inclusive. The Reporting Person undertakes to provide to Liberty Energy Inc., any security holder of Liberty Energy Inc. 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.