TREX CO INC — Director's Dealing 2012

Feb 29, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2012-02-29

Reporting Person: ANDREWS WILLIAM F (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-29	Common Stock	M	313	$23.66	Acquired	13022	Direct
2012-02-29	Common Stock	M	240	$20.81	Acquired	13262	Direct
2012-02-29	Common Stock	S	553	$27.46	Disposed	12709	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-29	Stock Options (Right to Buy)	$23.66	M	313	Disposed	2012-04-01	Common Stock (313)	Direct
2012-02-29	Stock Options (Right to Buy)	$20.81	M	240	Disposed	2012-07-02	Common Stock (240)	Direct