TREX CO INC — Director's Dealing 2014

Apr 7, 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: ROBINSON PATRICIA B (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-04-07	Common Stock	M	2000	$43.47	Acquired	4958	Direct
2014-04-07	Common Stock	S	2000	$73.64	Disposed	2958	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-04-07	Stock Options (Right to Buy)	$43.47	M	2000	Disposed	2014-07-27	Common Stock (2000)	Direct

Footnotes

F1: The sale reported in this Form 4 was effected pursuant to Rule 10b5-1 trading plan adopted by the reporting person on February 25, 2014.

F2: Options are being exercised pursuant to a Rule 10b5-1 Sales Plan adopted by the reporting person on February 25, 2014.