DTI · Drilling Tools International Corp

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock.

The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

The restricted stock units vested 100% on May 13, 2026, the one-year anniversary of the grant date.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units vest 100% on April 29, 2027, the one-year anniversary of the grant date.

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

17,259 shares of Drilling Tools International Corporation's ("DTI") common stock received as a result of HHEP Directional, L.P.'s pro rata distribution of shares to its limited partners for no consideration.

172,593 shares of Drilling Tools International Corporation's ("DTI") common stock received as a result of HHEP-Directional, L.P.'s pro rata distribution of shares to its limited partners for no consideration.

281,665 shares of Drilling Tools International Corporation's (DTI") common stock received as a result of HHEP Directional, L.P.'s pro rata distribution of shares to its limited partners for no consideration.

The Reporting Person is the trustee of JDF Long Term Trust ("JDF"). The Reporting Person may be deemed to have voting power and dispositive power over the shares held by JDF.

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

The RSUs vest in substantially equal installments on each of the first four (4) anniversaries of the grant date, February 28, 2025.

Each performance stock unit ("PSU") represents a contingent right to receive one share of the Company's common stock.

On February 27, 2026, the reporting person was granted 68,577 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

Each performance stock unit ("PSU") represents a contingent right to receive one share of the Company's common stock.

On February 27, 2026, the reporting person was granted 257,162 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

Each performance stock unit ("PSU") represents a contingent right to receive one share of the Company's common stock.

On February 27, 2026, the reporting person was granted 112,009 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

On February 27, 2026, the reporting person was granted 22,502 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

On February 27, 2026, the reporting person was granted 22,859 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

Each performance stock unit ("PSU") represents a contingent right to receive one share of the Company's common stock.

On February 27, 2026, the reporting person was granted 67,505 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

On February 27, 2026, the reporting person was granted 37,336 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

On February 27, 2026, the reporting person was granted 85,721 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

Each restricted stock unit ("RSU") represents a contingent right to receive one share of Drilling Tools International Corp's (the "Company") common stock.

On February 27, 2026, the reporting person was granted 21,430 RSUs under the Company's 2023 Omnibus Incentive Plan, as may be amended from time to time (the "Plan"), pursuant to the 2026 long-term incentive program approved by the Board of Directors (the "2026 LTIP"). The RSUs vest in substantially equal installments on each of the first three (3) anniversaries of the grant date, subject to continued service.

Each performance stock unit ("PSU") represents a contingent right to receive one share of the Company's common stock.

On February 27, 2026, the reporting person was granted 64,291 PSUs under the Plan, pursuant to the 2026 LTIP. The PSUs are subject to the achievement of performance conditions based on EBITDA, weighted at 100%, with annual reset over a three-year performance vesting period. Achievement at threshold results in a 50% payout opportunity, while achievement at maximum results in a 200% payout opportunity.

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

On December 4, 2025, MV Partners made a distribution of shares of Common Stock of the Company to one of MV Partners' limited partners. The Reporting Person is the sole owner and Chairman of the Board of Directors of MV Partners, Inc., the general partner of MV Partners. Mr. Vermillion disclaims any beneficial ownership of any shares of Common Stock held by MV Partners, other than his pecuniary interests therein.

32,606 shares of Drilling Tools International Corporation's (DTI") common stock received as a result of HHEP Directional, L.P.'s pro rata distribution of shares to its limited partners for no consideration.

The Reporting Person is the trustee of JDF Long Term Trust ("JDF"). The Reporting Person may be deemed to have voting power and dispositive power over the shares held by JDF.

1,959 shares of Drilling Tools International Corporation's ("DTI") common stock received as a result of HHEP Directional, L.P.'s pro rata distribution of shares to its limited partners for no consideration.