| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cashion Tana K | EVP Human Resources and Admin | 333 W SHERIDAN AVE, OKLAHOMA CITY | /s/ Edward T. Highberger, Attorney-in-Fact for Tana K. Cashion | 29 Jan 2026 | 0001788635 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DVN | Common Stock | Award | $0 | +9,518 | +7.6% | $0.000000 | 134,558 | 27 Jan 2026 | Direct |