TREX CO INC — Director's Dealing 2014

Jan 6, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2014-01-02

Reporting Person: Posey Richard E (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-01-02	Common Stock	A	44	$76.97	Acquired	3742	Direct
2014-01-02	Common Stock	M	1452	$12.31	Acquired	5194	Direct
2014-01-02	Common Stock	D	233	$76.97	Disposed	4961	Direct
2014-01-03	Common Stock	S	1219	$76.95	Disposed	3742	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-01-02	Stock Appreciation Right	$76.97	A	93	Acquired	2024-01-02	Common Stock (93)	Direct
2014-01-02	Stock Appreciation Right	$12.31	M	1452	Disposed	2019-05-06	Common Stock (1452)	Direct

Footnotes

F1: This restricted award will vest on the first anniversary of the grant.

F2: 1,452 Stock Appreciation Rights (SARs) are being exercised pursuant to a Rule 10b5-1 SAR Exercise plan adopted by the reporting person on November 6, 2013.

F3: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on November 6, 2013.