NOV · NOV Inc.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest on the first anniversary of the date of the grant.

An equity award of deferred time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will, pursuant to the Director's election under the National Oilwell Varco, Inc. Director Nonqualified Deferred Compensation Plan, be distributed upon the Director's retirement or termination from the issuer's board of directors, but not earlier than one year from the date of grant.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest on the first anniversary of the date of the grant.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest on the first anniversary of the date of the grant.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest on the first anniversary of the date of the grant.

An equity award of deferred time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will, pursuant to the Director's election under the National Oilwell Varco, Inc. Director Nonqualified Deferred Compensation Plan, be distributed in a series of installment distributions commencing on January 15, 2030 and continuing for an additional three calendar years.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest on the first anniversary of the date of the grant.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest on the first anniversary of the date of the grant.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on March 20, 2025) to satisfy tax withholding liability.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on March 20, 2025) to satisfy tax withholding liability.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on March 20, 2025) to satisfy tax withholding liability.

The price reported in column 4 is the average price. These shares were sold in multiple transactions. The prices for these shares ranged from $19.93 to $19.945. The reporting person undertakes to provide to NOV Inc., any securityholder of NOV 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 ranges set forth within this footnote (3) to this Form 4.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 23, 2023) to satisfy tax withholding liability.

The price reported in column 4 is the average price. These shares were sold in multiple transactions. The prices for these shares ranged from $20.00 to $20.005. The reporting person undertakes to provide to NOV Inc., any securityholder of NOV 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 ranges set forth within this footnote (2) to this Form 4.

The price reported in column 4 is the average price. These shares were sold in multiple transactions. The prices for these shares ranged from $20.20 to $20.37. The reporting person undertakes to provide to NOV Inc., any securityholder of NOV 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 ranges set forth within this footnote (1) to this Form 4.

The option, representing a right to purchase a total of 71,178 shares, became exercisable in three equal installments beginning on February 22, 2022, which was the first anniversday of the date on which the option was granted.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 23, 2023) to satisfy tax withholding liability.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 23, 2023) to satisfy tax withholding liability.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 23, 2023) to satisfy tax withholding liability.

The price reported in column 4 is the average price. These shares were sold in multiple transactions. The prices for these shares ranged from $20.045 to $20.265. The reporting person undertakes to provide to NOV Inc., any securityholder of NOV 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 ranges set forth within this footnote (1) to this Form 4.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 23, 2023) to satisfy tax withholding liability.

The option, representing a right to purchase a total of 71,178 shares, became exercisable in three equal installments beginning on February 22, 2022, which was the first anniversday of the date on which the option was granted.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 23, 2023) to satisfy tax withholding liability.

The option, representing a right to purchase a total of 72,000 shares, became exercisable in three equal installments beginning on February 15, 2023, which was the first anniversday of the date on which the option was granted.

The option, representing a right to purchase a total of 79,086 shares, became exercisable in three equal installments beginning on February 22, 2022, which was the first anniversday of the date on which the option was granted.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 19, 2025) to satisfy tax withholding liability.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 19, 2025) to satisfy tax withholding liability.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 19, 2025) to satisfy tax withholding liability.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 19, 2025) to satisfy tax withholding liability.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 19, 2025) to satisfy tax withholding liability.

Represents the number of shares withheld from the vesting of time-based restricted stock units (granted on February 19, 2025) to satisfy tax withholding liability.

Represents the total number of shares that vested from the performance share awards granted to Mr. Rovig on February 23, 2023.

Represents the number of shares withheld from the vesting of the performance share awards granted to Mr. Bayardo on February 23, 2023 to satisfy tax withholding liability.

Represents the total number of shares that vested from the performance share awards granted to Mr. Bayardo on February 23, 2023.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest in three equal annual installments commencing on the first anniversary of the date of the grant.

Represents the total number of shares that vested from the performance share awards granted to Mr. Weinstock on February 23, 2023.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest in three equal annual installments commencing on the first anniversary of the date of the grant.

Represents the number of shares withheld from the vesting of the performance share awards granted to Mr. Rovig on February 23, 2023 to satisfy tax withholding liability.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest in three equal annual installments commencing on the first anniversary of the date of the grant.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest in three equal annual installments commencing on the first anniversary of the date of the grant.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest in three equal annual installments commencing on the first anniversary of the date of the grant.

Represents the number of shares withheld from the vesting of the performance share awards granted to Mr. Weinstock on February 23, 2023 to satisfy tax withholding liability.

An equity award of time-based restricted stock units pursuant to the NOV Inc. Long-Term Incentive Plan, which will vest in three equal annual installments commencing on the first anniversary of the date of the grant.