OIS · Oil States International, Inc

Quarterly stock award under the Company's Second Amended and Restated Equity Participation Plan for compensation paid to Mr. Potter as non-executive chairman of the Board of Directors that vests upon award.

Restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests on the day before the Company's 2027 Annual Stockholders meeting.

Restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests on the day before the Company's 2027 Annual Stockholders meeting.

Restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests on the day before the Company's 2027 Annual Stockholders meeting.

The common stock reported refers to the reporting person's contingent right to receive one share of OIS common stock for each deferred stock unit received on the transaction (grant) date. The award will vest in full on the day before the Company's 2027 Annual Stockholders meeting. Delivery of the vested units shall be deferred until a future date elected by the reporting person in connection with the grant of the award.

Restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests on the day before the Company's 2027 Annual Stockholders meeting.

Restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests on the day before the Company's 2027 Annual Stockholders meeting.

Service-based restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 5/1/2027.

Service-based restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 5/1/2027.

Service-based restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 5/1/2027.

Quarterly stock award under the Company's Second Amended and Restated Equity Participation Plan for compensation paid to Mr. Potter as non-executive chairman of the Board of Directors that vests upon award.

Stock sold with a weighted average of $11.61 including prices ranging from $11.51 to $11.70.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock award.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock award.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock award.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock award.

Service-based restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 2/19/2027.

Service-based restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 2/19/2027.

Service-based restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 2/19/2027.

Service-based restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 2/19/2027.

Reflects the number of shares earned in respect to cumulative EBITDA performance-based restricted stock units originally granted on February 16, 2023. On February 18, 2026, the Compensation Committee certified the achievement of the applicable performance metric, which measured cumulative EBITDA of the Company over the three-year period from January 1, 2023 to December 31, 2025.

Reflects the number of shares earned in respect to cumulative EBITDA performance-based restricted stock units originally granted on February 16, 2023. On February 18, 2026, the Compensation Committee certified the achievement of the applicable performance metric, which measured cumulative EBITDA of the Company over the three-year period from January 1, 2023 to December 31, 2025.

Shares surrendered for payment of tax liability incident to vesting of performance-based restricted stock units.

Shares surrendered for payment of tax liability incident to vesting of performance-based restricted stock units.

Shares surrendered for payment of tax liability incident to vesting of performance-based restricted stock units.

Reflects the number of shares earned in respect to cumulative EBITDA performance-based restricted stock units originally granted on February 16, 2023. On February 18, 2026, the Compensation Committee certified the achievement of the applicable performance metric, which measured cumulative EBITDA of the Company over the three-year period from January 1, 2023 to December 31, 2025.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock awards.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock awards.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock awards.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock awards.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock awards.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock awards.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock awards.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock awards.

Quarterly stock award under the Company's Second Amended and Restated Equity Participation Plan for compensation paid to Mr. Potter as non-executive chairman of the Board of Directors that vests upon award.

Quarterly stock award under the Company's Second Amended and Restated Equity Participation Plan for compensation paid to Mr. Potter as non-executive chairman of the Board of Directors that vests upon award.

Quarterly stock award under the Company's Second Amended and Restated Equity Participation Plan for compensation paid to Mr. Potter as non-executive chairman of the Board of Directors that vests upon award.

Restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests on the day before the Company's 2026 Annual Stockholders meeting.

The common stock reported refers to the reporting person's contingent right to receive one share of OIS common stock for each deferred stock unit received on the transaction (grant) date. The award will vest in full on the day before the Company's 2026 Annual Stockholders meeting. Delivery of the vested units shall be deferred until a future date elected by the reporting person in connection with the grant of the award.

Restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests on the day before the Company's 2026 Annual Stockholders meeting.

Restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests on the day before the Company's 2026 Annual Stockholders meeting.

Restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests on the day before the Company's 2026 Annual Stockholders meeting.

Restricted common stock award under the Company's Second Amended and Restated Equity Participation Plan that vests on the day before the Company's 2026 Annual Stockholders meeting.

Quarterly stock award under the Company's Amended and Restated Equity Participation Plan for compensation paid to Mr. Potter as non-executive chairman of the Board of Directors that vests upon award.

Service-based restricted common stock award under the Company's Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 2/20/2026.

Service-based restricted common stock award under the Company's Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 2/20/2026.

Service-based restricted common stock award under the Company's Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 2/20/2026.

Service-based restricted common stock award under the Company's Amended and Restated Equity Participation Plan that vests in three equal annual installments beginning 2/20/2026.

Shares surrendered for payment of tax liability incident to vesting of prior restricted stock awards.