Press Release

WINCHESTER, Va.--(BUSINESS WIRE)--May 20, 2004--Trex Company (NYSE: TWP) will present at the SunTrust Robinson Humphrey 33rd Annual Institutional Investor Conference to be held at the Ritz-Carlton, Buckhead in Atlanta, Georgia. Chairman and Chief Executive Officer Robert Matheny will discuss Trex Company's business strategy and growth plans.

The live audio Web broadcast of the presentation will begin at approximately 11:05 ET on Tuesday, May 25, 2004, and can be accessed through the Investor Relations - Overview section of the Trex Company website at www.trex.com.

About Trex Company

Trex Company is the nation's largest manufacturer of alternative decking, which is marketed under the brand name Trex(R). Trex Wood-Polymer(R) lumber offers an attractive appearance and the workability of wood without the ongoing need for protective sealants or repairs. Trex decking and railing is manufactured in a proprietary process that combines waste wood fibers and reclaimed polyethylene and is used primarily for residential and commercial decking. The Company sells its products through approximately 90 wholesale distribution locations, which in turn sell Trex decking to approximately 3,300 independent contractor-oriented retail lumberyards across the United States. In addition, in 2004, the Company's products will be available in a limited number of Home Depot stores.

For more information about Trex Company, visit their website at www.trex.com or call 1-800-BUY-TREX (289-8739).

    CONTACT: Trex Company
             Robert G. Matheny, 540-542-6300
             or
             Lippert/Heilshorn & Assoc.
             Harriet Fried, 212-838-3777

    SOURCE: Trex Company