| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Alexander Ralph | Director | C/O NET POWER INC., 404 HUNT STREET, SUITE 410, DURHAM | /s/ James Mahon, attorney-in-fact | 03 Jun 2025 | 0001358507 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NPWR | Restricted Stock Units | Award | $0 | +67,568 | +184% | $0 | 104,381 | 03 Jun 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Restricted stock units that vest on June 3, 2026, subject to continued service as a director. |