TREX CO INC — Director's Dealing 2019

May 2, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2019-05-01

Reporting Person: Gupp William R. (Sr VP,Gen. Counsel & Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-05-01	Common Stock	S	4563	$68.6884	Disposed	63945	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on August 1, 2018.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.465 to $69.11, inclusive.