| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WYRSCH MARTHA B | Director | 2727 NORTH LOOP WEST, HOUSTON | /s/ Jessica L. Sherman, Attorney-in-Fact | 2025-11-18 | 0001275686 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PWR | Common Stock | Gift | $0 | -2K | -20.92% | $0.00 | 7.56K | Nov 14, 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | PWR | Restricted Stock Units | 559 | Nov 14, 2025 | Common Stock | 559 | $0.00 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | The restricted stock units are settled in shares of common stock on a one-for-one basis, provided that in certain circumstances the reporting person may elect to settle up to 50% of the restricted stock units in cash. |
| F2 | Unless otherwise provided in the award agreement, the restricted stock units vest and settle on June 1, 2026. Settlement of all or a portion of the restricted stock units may be deferred by the reporting person pursuant to the terms of a nonqualified deferred compensation plan maintained by the Company. |