| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ROSE B ANDREW | Director | C/O TREX COMPANY, INC., 2500 TREX WAY, WINCHESTER | /s/ Amy M. Fernandez by power of attorney | 05 Jan 2026 | 0001451048 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TREX | Common Stock | Award | $8,062 | +225 | +14% | $35.83 | 1,803 | 02 Jan 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | This restricted stock unit award will vest on the first anniversary of the grant. |