TREX CO INC — Director's Dealing 2014

Apr 9, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2014-04-07

Reporting Person: MERLOTTI FRANK H JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-04-07	Common Stock	M	346	$24.70	Acquired	2745	Direct
2014-04-07	Common Stock	M	667	$24.17	Acquired	3412	Direct
2014-04-07	Common Stock	M	1223	$18.05	Acquired	4635	Direct
2014-04-07	Common Stock	D	644	$72.85	Disposed	3991	Direct
2014-04-08	Common Stock	S	1592	$72.50	Disposed	2399	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-04-07	Stock Appreciation Right	$24.70	M	346	Disposed	2016-07-20	Common Stock (346)	Direct
2014-04-07	Stock Appreciation Right	$24.17	M	667	Disposed	2016-02-08	Common Stock (667)	Direct
2014-04-07	Stock Appreciation Right	$18.05	M	1223	Disposed	2017-07-18	Common Stock (1223)	Direct

Footnotes

F1: Stock Appreciation Rights (SARs) are being exercised pursuant to a Rule 10b5-1 Exercise plan adopted by the reporting person on February 25, 2014.

F2: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Sales plan adopted by the reporting person on February 25, 2014.

F3: The stock appreciation right becomes exerciseable on the one-year anniversary of this grant.