TREX CO INC — Director's Dealing 2016

Aug 17, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2016-08-15

Reporting Person: MERLOTTI FRANK H JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-08-15	Common Stock	M	1959	$5.305	Acquired	11355	Direct
2016-08-15	Common Stock	D	172	$60.60	Disposed	11183	Direct
2016-08-16	Common Stock	S	1787	$59.9952	Disposed	9396	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-08-15	Stock Appreciation Right	$5.305	M	1959	Disposed	2018-07-22	Common Stock (1959)	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 24, 2016.

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 24, 2016.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $59.50 to $60.50, inclusive. The reporting person undertakes to provide Trex Company, Inc., any security holder of Trex Company, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnote (3) to this Form 4.