| 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 | 06 Oct 2025 | 0001791227 |
No securities are beneficially owned.