TREX CO INC — Director's Dealing 2013

Apr 4, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2013-04-04

Reporting Person: Gupp William R. (CAO, Gen. Counsel & Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-04-04	Common Stock	S	100	$46.25	Disposed	41853	Direct
2013-04-04	Common Stock	S	1522	$46.50	Disposed	40331	Direct
2013-04-04	Common Stock	S	100	$46.56	Disposed	40231	Direct
2013-04-04	Common Stock	S	100	$46.58	Disposed	40131	Direct
2013-04-04	Common Stock	S	34	$46.68	Disposed	40097	Direct
2013-04-04	Common Stock	S	100	$46.81	Disposed	39997	Direct
2013-04-04	Common Stock	S	100	$46.86	Disposed	39897	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 20, 2013.