| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Smith Mark W. | Director | 8550 MOSLEY ROAD, HOUSTON | Michael W. Metcalf, by Power of Attorney | 19 Feb 2026 | 0001528727 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | POWL | Common Stock | Award | $2 | +200 | +87% | $0.0100 | 430 | 18 Feb 2026 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | Represents shares of restricted stock that have been granted to the Reporting Person as compensation for serving on the Powell Industries Board of Directors under the Non-Employee Director Equity Incentive Plan. These shares vest on the earlier of the first anniversary from the date of the grant or the Company's 2027 Annual Stockholder Meeting. |
| F2 | RSUs convert into common stock on a one-for-one basis at the time of vesting. |
| F3 | Includes shares that have a time-based vesting provision. |