TREX CO INC — Director's Dealing 2012

May 4, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2012-05-04

Reporting Person: Reese F Timothy (Vice President, Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-04	Common Stock	S	1302	$31.99	Disposed	30599	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plans adopted by the reporting person on May 18, 2011.