(d) On May 6, 2009, the Board of Directors of Trex Company, Inc. (the "Company") appointed Richard E. Posey as a director to fill a directorship vacancy on the Board of Directors. Mr. Posey was appointed to the class of directors whose term of office expires at the annual meeting of stockholders in 2010. The Board of Directors also appointed Mr. Posey to serve as a member of its audit and nominating/corporate governance committees. Pursuant to the Company's Amended and Restated 1999 Incentive Plan for Outside Directors (the "Incentive Plan for Outside Directors"), Mr. Posey received 4,357 stock appreciation rights, valued at $28,800, with the grant price being equal to the closing stock price of the Company's stock on May 6, 2009. Mr. Posey will also receive compensation for service on the Board of Directors and any committees pursuant to the Incentive Plan for Outside Directors, as further described under the heading "Director Compensation" in the Company's 2009 Proxy Report filed with the SEC on March 26, 2009.

A copy of the press release announcing the appointment of Mr. Posey to the Board of Directors is furnished as Exhibit 99.1.

(d) Trex Company herewith files the following exhibits:

 Exhibit
 Number      Description of Exhibit
  99.1       Press release dated May 11, 2009 announcing the appointment of
             Richard E. Posey as a director of Trex Company, Inc.