TREX CO INC — Director's Dealing 2016

Feb 18, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2016-02-17

Reporting Person: Zambanini Adam Dante (Vice President, Marketing)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-02-17	Common Stock	D	129	$35.09	Disposed	23501	Direct
2016-02-17	Common Stock	A	617	$35.09	Acquired	24118	Direct
2016-02-17	Common Stock	A	4097	$35.09	Acquired	28215	Direct
2016-02-17	Common Stock	A	4097	$35.09	Acquired	32312	Direct
2016-02-17	Common Stock	F	889	$35.09	Disposed	31423	Direct

Footnotes

F1: Represents net share difference between target performance-based shares and actual vested shares, based upon actual performance for the Company.

F2: This restricted stock unit vests over a three-year period in three equal annual installments beginning on the first anniversary of the grant date.

F3: This restricted stock unit award is performance-based, and vests over a three-year period in three equal installments beginning on the first anniversary of the grant date. The number of shares set forth above is the target number of shares. The number of shares that will actually vest each year will be based upon performance against certain financial goals for the Company, and will range from 0% to 200% of the target number of shares.

F4: 889 shares are being surrendered as allowed by the Company's 2005 Stock Incentive Plan and the Company's 2014 Stock Incentive Plan to cover the payment of taxes currently due on previously granted restricted shares.