| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| MUDGE FREDERICK N | Vice President, Operations | 8550 MOSLEY ROAD, HOUSTON | Michael W. Metcalf, Power of Attorney for Frederick N Mudge | 28 Aug 2025 | 0002025646 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | POWL | Common Stock | Sale | $1,776,000 | -6,400 | -20% | $277.50 | 24,988 | 28 Aug 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Includes shares that have a time-based vesting provision. |