TREX CO INC — Director's Dealing 2011

Mar 2, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2011-02-28

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-28	Common Stock	S	6600	$30.00	Disposed	45274	Direct
2011-03-01	Common Stock	S	2712	$30.00	Disposed	42562	Direct
2011-03-01	Common Stock	S	200	$30.001	Disposed	42362	Direct
2011-03-01	Common Stock	S	4800	$30.01	Disposed	37562	Direct
2011-03-01	Common Stock	S	1300	$30.05	Disposed	36262	Direct
2011-03-01	Common Stock	S	800	$30.06	Disposed	35462	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plan adopted by the reporting person on May 10, 2010.