Press Release

WINCHESTER, Va.--(BUSINESS WIRE)--May 10, 2005--Trex Company, Inc. (NYSE: TWP) has won the Emerging Growth Company Award from the National Capital Chapter of the Association for Corporate Growth (ACG). ACG selected Trex Company from a field of six entrants for its consistent, sustainable and profitable growth. Over a three-year period ending December 31, 2004, Trex Company earnings per share grew at a compounded annual rate of 42%.

In presenting the award, Shiv Krishnan, President and CEO of INDUS Corporation and incoming President of ACG National Capital Chapter, said, "Trex Company exemplifies the entrepreneurial spirit, solid corporate culture with community involvement, and strong corporate growth associated with emerging industry leaders within our National Capital Region."

Trex Company Chairman and CEO Robert Matheny added, "We are proud of our Company's outstanding track record of profitable growth, as well as of the leading role Trex has played in developing the composite decking and railing market. We expect our award-winning products to continue to drive market growth in the coming years."

ACG's Emerging Growth Company award is based on a combination of quantitative factors, including revenue growth, profitability, and market share gains, and subjective factors, including culture, community involvement and demonstrated leadership qualities. Award nominees must have $100 million to $500 million in revenue for the most recent fiscal year. Quantitative growth factors are evaluated over a three-year period.

About Trex Company

Trex Company is the nation's largest manufacturer of composite decking, which is marketed under the brand name Trex(R). Made from a unique combination of reclaimed wood and plastic, Trex decking and railing products offer significant design flexibility with fewer ongoing maintenance requirements. For more information, visit the Company's website, www.trex.com. Trex(R) is a trademark of Trex Company, Inc., Winchester, Va.

About ACG National Capital Chapter

With over 300 members, ACG National Capital is one of the largest local chapters of the Association for Corporate Growth. ACG is the premier global association for professionals involved in corporate growth, corporate development, and mergers and acquisitions for mid to large companies. For 50 years, ACG members have focused on strategic activities that increase revenues, profits and, ultimately, stakeholder value. Today ACG encompasses more than 7,000 members representing Fortune 500, Fortune 1000, FTSE 100, and mid-market companies in 42 chapters in North America, Europe and Asia.

The statements in this news release regarding the Company's expected sales performance, operating results, anticipated financial condition and business strategy constitute "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements are subject to risks and uncertainties that could cause the Company's actual operating results to differ materially. Such risks and uncertainties include the extent of market acceptance of the Company's products, the sensitivity of the Company's business to general economic conditions, the Company's ability to continue to obtain raw materials at acceptable prices, the Company's ability to increase production levels to meet increasing demand for its products, and the highly competitive markets in which the Company operates. The Company's report on Form 10-K filed with the Securities and Exchange Commission on March 16, 2005 and its subsequent filings on Form 10-Q discuss some of the important factors that could cause the Company's actual results to differ materially from those expressed or implied in these forward-looking statements. The Company expressly disclaims any obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise.

CONTACT: Lippert/Heilshorn & Associates
Harriet Fried, 212-838-3777

SOURCE: Trex Company, Inc.