| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Elsener William Thomas | EVP, Reservoir Engineering | 5400 LBJ FREEWAY, SUITE 1500, DALLAS | /s/ William Thomas Elsener, by Cale L. Curtin as attorney-in-fact | 08 Jan 2026 | 0001934692 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTDR | Common Stock | Award | $0 | +3,480 | +3.1% | $0.000000 | 116,334 | 06 Jan 2026 | Direct | F1, F2, F3 |
| transaction | MTDR | Common Stock | Tax liability | $64,351 | -1,554 | -1.3% | $41.41 | 114,780 | 06 Jan 2026 | Direct | F2, F3, F4 |
| Id | Content |
|---|---|
| F1 | Represents shares received in settlement of performance stock units granted to the reporting person on February 16, 2023 (the "2023 Performance Stock Grant"), which settled at 58% of target based upon the Issuer's relative total shareholder return over a three-year performance period from January 1, 2023 to December 31, 2025. |
| F2 | Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3. |
| F3 | Includes 2,667 shares of restricted stock granted to the reporting person on February 16, 2023 that vest on the third anniversary of the date of grant. |
| F4 | Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon settlement of the 2023 Performance Stock Grant. No shares were sold by the reporting person to satisfy this tax liability. |