X0508 4 2025-11-17 0001884516 Drilling Tools International Corp DTI 0001981953 Domino Michael Wayne Jr. C/O DRILLING TOOLS INTERNATIONAL CORP. 10370 RICHMOND AVENUE, SUITE 1000 HOUSTON TX 77042 false true false false President, DTR Division true Common Stock 2025-11-17 4 S false 2083 2.5145 D 1462216 D This transaction was completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.50 to $2.52, inclusive. The reporting person undertakes to Drilling Tools International Corporation, any security holder of Drilling Tools International Corporation, or the staff of the Securities and Exchange Commission, upon request, to provide full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote 2 to this Form 4. /s/ Michael Wayne Domino Jr. 2025-11-17