TREX CO INC — Director's Dealing 2022

Feb 25, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TREX CO INC (TREX)
CIK: 0001069878
Period of Report: 2022-02-23

Reporting Person: FAIRBANKS BRYAN HORIX (President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-02-23	Common Stock	A	10669	$82.01	Acquired	69594	Direct
2022-02-23	Common Stock	A	15242	$82.01	Acquired	84836	Direct
2022-02-23	Common Stock	A	5747	$82.01	Acquired	90583	Direct
2022-02-23	Common Stock	F	5720	$82.01	Disposed	84863	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-02-23	Stock Appreciation Right	$82.01	A	11062	Acquired	2032-02-23	Common Stock (11062)	Direct

Footnotes

F1: This restricted stock unit vests over a three-year period in three equal annual installments occurring March 1,2023, March 1, 2024 and March 1, 2025.

F2: This restricted stock unit award is performance-based, and vests over a three-year period in three equal installments occurring March 1,2023, March 1, 2024 and March 1, 2025.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.

F3: The stock appreciation right becomes exercisable in three equal installments occurring March 1,2023, March 1, 2024 and March 1, 2025.

F4: Represents net share difference between target performance-based shares and actual vested shares, based upon actual performance for the Company.

F5: 5,720 shares are being surrendered as allowed by the Company's 2014 Stock Incentive Plan to cover payment of taxes currently due on previously granted restricted shares.