| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gandhi Prithvi | SVP, Chief Financial Officer | C/O TREX COMPANY, INC., 2500 TREX WAY, WINCHESTER | /s/ Amy M. Fernandez by power of attorney | 07 Nov 2025 | 0001791227 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TREX | Common Stock | Award | $499,995 | +15,664 | $31.92 | 15,664 | 06 Nov 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | This restricted stock unit award cliff vests on October 6, 2028. |