| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hesler Gregory Curtis | Sr V President/Corp Secretary | 1411 E. MISSION AVENUE, SPOKANE | /s/Gregory C. Hesler | 10 Feb 2026 | 0001798487 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AVA | Common Stock - Restricted Shares Grant 2026 | Award | $128,996 | +3,147 | +15% | $40.99 | 23,721 | 09 Feb 2026 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AVA | Performance Shares Grant - 2026 | Award | $301,031 | +7,344 | $40.99 | 7,344 | 09 Feb 2026 | Common Stock | 7,344 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period. |
| F2 | No conversion price. Shares awarded if performance measure is met. |
| F3 | Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met. |