| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| COPE BRETT ALAN | President & CEO, Director | 8550 MOSLEY ROAD, HOUSTON | Michael W. Metcalf, Power of Attorney for Brett A. Cope | 06 Jan 2026 | 0001663174 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | POWL | Common Stock | Award | $373,334 | +1,300 | +0.77% | $287.18 | 170,771 | 03 Jan 2026 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | The awards, which were approved by the Board of Directors on January 3, 2026, supplement the restricted stock unit awards that, consistent with prior years, were granted to the executives on October 1, 2025. |
| F2 | Represents the average closing stock price from September 1, 2025 - September 30, 2025. |
| F3 | Includes shares that have a time-based vesting provision. |