Exhibit 99.1

Trex Company Appoints Paul D. Fletcher Chief Financial Officer;
Anthony J. Cavanna to Retire at Year-end

    WINCHESTER, Va.--(BUSINESS WIRE)--July 14, 2003--Trex Company,
Inc. (NYSE: TWP), manufacturer of Trex(R) decking and railing, today
announced the appointment of Paul D. Fletcher as senior vice president
and chief financial officer. Mr. Fletcher, age 44, will report
directly to Trex Company President, Robert G. Matheny.
    In addition, the Company announced that Anthony J. Cavanna, age
64, who previously served as executive vice president and chief
financial officer, intends to retire at the end of 2003. Until that
time, Mr. Cavanna will serve as executive vice president and will
focus his efforts on strategic planning, investor relations activities
and special projects.
    Mr. Fletcher joined Trex Company in October 2001 as vice president
of finance. Prior to that, he was vice president and chief financial
officer of AMX Corporation (Nasdaq: AMXC), a technology company with
approximately 500 employees and two international subsidiaries. He
previously served as vice president and treasurer of Excel
Communications and senior vice president and treasurer of Lomas
Financial Corporation. Mr. Fletcher earned an MBA from Northwestern
University's Kellogg School of Management and received a BA summa cum
laude from Albion College.
    Mr. Matheny commented, "Paul Fletcher brings a proven track record
and broad experience with public companies to his new position. He
played a major role in last year's corporate debt restructuring, which
placed the Company in a very favorable position. Paul's financial
knowledge and corporate governance skills will provide a sound
foundation on which to continue to build the Trex Company.
    "All of us at the Trex Company want to thank Tony Cavanna for his
tremendous contributions over the years, which have been key to the
success of our organization. Tony was instrumental in building our
business over the last decade. Under his direction, a solid financial
strategy was developed that led to our listing on the New York Stock
Exchange. Tony's sound judgment and dedication have been invaluable,
and all of us feel privileged to have worked with him."

    About Trex Company

    Trex Company is the nation's largest manufacturer of non-wood
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.
    For a Trex decking and railing dealer near you, call
1-800-BUY-TREX (289-8739) or for dealers and product details, visit
www.trex.com.

    Trex(R) and Trex Wood-Polymer(R) are trademarks of Trex Company,
Inc., Winchester, Va.

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