TREX CO INC — Director's Dealing 2015

Feb 20, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2015-02-18

Reporting Person: KAPLAN RONALD W (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-02-18	Common Stock	D	976	$43.89	Disposed	147717	Direct
2015-02-18	Common Stock	F	2151	$43.89	Disposed	145566	Direct
2015-02-18	Common Stock	A	13016	$43.89	Acquired	158582	Direct
2015-02-18	Common Stock	A	13016	$43.89	Acquired	171598	Direct
2015-02-19	Common Stock	F	2618	$43.64	Disposed	168980	Direct

Footnotes

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

F2: 2,151 shares are being surrendered as allowed by the Company's 2005 Stock Incentive Plan to cover the payment of taxes currently due on previously granted restricted shares.

F3: This restricted stock award vests over a three-year period in three equal annual installments beginning on the first anniversary of the grant date.

F4: This restricted stock 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.

F5: 2,618 shares are being surrendered as allowed by the Company's 2005 Stock Incentive Plan to cover the payment of taxes currently due on previously granted restricted shares.