| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Vermillion Charles Richard Jr. | Director | C/O DRILLING TOOLS INTERNATIONAL, INC., 10370 RICHMOND AVENUE, SUITE 1000, HOUSTON | /s/ C. Richard Vermillion | 10 Dec 2025 | 0001981923 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DTI | Common Stock | Other | $0 | -36K | -9.89% | $0.00 | 328K | 28 Nov 2025 | By MV Partners I, LP | F1, F2 |
| transaction | DTI | Common Stock | Other | $0 | -144K | -43.91% | $0.00 | 184K | 28 Nov 2025 | By MV Partners I, LP | F2 |
| transaction | DTI | Common Stock | Other | $0 | -39.9K | -21.72% | $0.00 | 144K | 28 Nov 2025 | By MV Partners I, LP | F2 |
| transaction | DTI | Common Stock | Other | $0 | +39.9K | $0.00 | 39.9K | 28 Nov 2025 | By MV Partners, Inc. | F2 | |
| transaction | DTI | Common Stock | Other | $0 | -144K | -100% | $0.00 | 0 | 10 Dec 2025 | By MV Partners I, LP. | F3 |
| Id | Content |
|---|---|
| F1 | A scrivener's error in the reporting person's prior Form 4 filed on September 16, 2025, resulted in a 300-share understatement of the amount of shares beneficially owned by MV Partners I, LP prior to the distributions reported herein. The amounts reported in this Form 4 reflect the corrected holdings. |
| F2 | On November 28, 2025, MV Partners I, LP ("MV Partners") made a distribution of shares of common stock, par value $0.001 per share (the "Common Stock") of Drilling Tools International Corporation (the "Company") to MV Partners' limited partners and to MV Partners, Inc. The Reporting Person is the sole owner and Chairman of the Board of Directors of MV Partners, Inc., the general partner of MV Partners I. Mr. Vermillion disclaims any beneficial ownership of any shares of Common Stock held by MV Partners, other than his pecuniary interests therein. |
| F3 | 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. |