| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gaspar Clay M | President and CEO, Director | 333 W. SHERIDAN AVE., OKLAHOMA CITY | /s/ Edward T. Highberger, Attorney-in-Fact for Clay M. Gaspar | 29 Jan 2026 | 0001555889 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DVN | Common Stock | Award | $0 | +23,796 | +4.8% | $0.000000 | 523,836 | 27 Jan 2026 | Direct | |
| holding | DVN | Common Stock | 186,289 | 27 Jan 2026 | By Trust for Reporting Person | ||||||
| holding | DVN | Common Stock | 194,175 | 27 Jan 2026 | By Trust for Spouse |