TREX CO INC — Director's Dealing 2012

Nov 5, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2012-11-01

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-01	Common Stock	M	12000	$13.44	Acquired	65418	Direct
2012-11-01	Common Stock	D	4326	$37.28	Disposed	61092	Direct
2012-11-01	Common Stock	F	3239	$37.28	Disposed	57853	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-01	Stock Appreciation Right	$13.44	M	12000	Disposed	2019-02-18	Common Stock (12000)	Direct

Footnotes

F1: 12,000 Stock Appreciation Rights are being exercised pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2012.

F2: 3,239 shares are being surrendered as allowed by the Company's 2005 Stock Incentive Plan to cover the payment of taxes currently due on the exercise of SARs.

F3: The stock appreciation right becomes exercisable in three equal installments beginning on the first anniversary of the grant date.