TREX CO INC — Director's Dealing 2012

Aug 22, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2012-08-21

Reporting Person: Cline James E (Vice President and CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-21	Common Stock	S	130	$29.05	Disposed	58068	Direct
2012-08-21	Common Stock	S	100	$29.06	Disposed	57968	Direct
2012-08-21	Common Stock	S	400	$29.07	Disposed	57568	Direct
2012-08-21	Common Stock	S	50	$29.10	Disposed	57518	Direct
2012-08-21	Common Stock	S	1600	$29.11	Disposed	55918	Direct
2012-08-21	Common Stock	S	200	$29.14	Disposed	55718	Direct
2012-08-21	Common Stock	S	100	$29.16	Disposed	55618	Direct
2012-08-21	Common Stock	S	400	$29.17	Disposed	55218	Direct
2012-08-21	Common Stock	S	700	$29.18	Disposed	54518	Direct
2012-08-21	Common Stock	S	300	$29.22	Disposed	54218	Direct
2012-08-21	Common Stock	S	400	$29.23	Disposed	53818	Direct
2012-08-21	Common Stock	S	100	$29.27	Disposed	53718	Direct
2012-08-21	Common Stock	S	300	$29.32	Disposed	53418	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 28, 2012.