Trex Company (TREX)

Section 16(a) Beneficial Ownership Reporting Compliance

Section 16(a) of the Securities Exchange Act of 1934 requires Trex Company’s directors and executive officers and persons who own more than 10% of Trex Company’s common stock to file with the SEC and the NYSE initial reports of ownership and reports of changes in ownership of common stock and other equity securities of Trex Company. The reporting persons are required by rules of the SEC to furnish Trex Company with copies of all Section 16(a) reports they file. Based solely upon a review of Section 16(a) reports furnished to Trex Company for fiscal 2008 or written representations that no other reports were required, Trex Company believes that the foregoing reporting persons complied with all filing requirements for fiscal 2008.

SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

Section 16(a) of the Securities Exchange Act of 1934 requires Trex Company’s directors and executive officers and persons who own more than 10% of Trex Company’s common stock to file with the SEC and the NYSE initial reports of ownership and reports of changes in ownership of common stock and other equity securities of Trex Company. The reporting persons are required by rules of the SEC to furnish Trex Company with copies of all Section 16(a) reports they file. Based solely upon a review of Section 16(a) reports furnished to Trex Company for fiscal 2007 or written representations that no other reports were required, Trex Company believes that the foregoing reporting persons complied with all filing requirements for fiscal 2007.

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SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

Section 16(a) of the Securities Exchange Act of 1934 requires Trex Company’s directors and executive officers and persons who own more than 10% of Trex Company’s common stock to file with the SEC and the NYSE initial reports of ownership and reports of changes in ownership of common stock and other equity securities of Trex Company. The reporting persons are required by rules of the SEC to furnish Trex Company with copies of all Section 16(a) reports they file. Based solely upon a review of Section 16(a) reports furnished to Trex Company for fiscal 2006 or written representations that no other reports were required, Trex Company believes that, except as described below, the foregoing reporting persons complied with all filing requirements for fiscal 2006. In fiscal 2006, Paul A. Brunner, a director, did not file on a timely basis one report with respect to an award of stock options for 230 shares and William H. Martin, a director, did not file on a timely basis one report with respect to an award of stock options for 449 shares.

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SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

Section 16(a) of the Securities Exchange Act of 1934 requires Trex Company’s directors and executive officers and persons who own more than 10% of a registered class of Trex Company’s equity securities to file with the SEC and the NYSE initial reports of ownership and reports of changes in ownership of common stock and other equity securities of Trex Company. The reporting persons are required by rules of the SEC to furnish Trex Company with copies of all Section 16(a) reports they file. Based solely upon a review of Section 16(a) reports furnished to Trex Company for fiscal 2005 or written representations that no other reports were required, Trex Company believes that, except as described below, the foregoing reporting persons complied with all filing requirements for fiscal 2005. In fiscal 2005, Anthony J. Cavanna, the Chairman and Chief Executive Officer of Trex Company, filed an amended Form 4 report with respect to the sale of an additional 3,250 shares, pursuant to a sales plan entered into pursuant to Securities Exchange Act Rule 10b5-1, that were inadvertently omitted from a Form 4 report filed with respect to the other shares sold on the same day.

SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

Section 16(a) of the Securities Exchange Act of 1934 requires Trex Company’s directors and executive officers and persons who own more than 10% of a registered class of Trex Company’s equity securities to file with the SEC and the NYSE initial reports of ownership and reports of changes in ownership of common stock and other equity securities of Trex Company. The reporting persons are required by rules of the SEC to furnish Trex Company with copies of all Section 16(a) reports they file. Based solely upon a review of Section 16(a) reports furnished to Trex Company for fiscal 2004 or written representations that no other reports were required, Trex Company believes that, except as described below, the foregoing reporting persons complied with all filing requirements for fiscal 2004. In fiscal 2004, Paul A. Brunner, a director, did not file on a timely basis one report with respect to an award of stock options for 87 shares; William H. Martin, III, a director, did not file on a timely basis one report with respect to an award of stock options for 175 shares; Anthony J. Cavanna, a director, did not file on a timely basis one report with respect to the sale of 4,487 shares pursuant to a plan under Securities Exchange Act Rule 10b5-1; Andrew U. Ferrari, a director, did not file on a timely basis one report with respect to an award of stock options for 233 shares, one report with respect to the sale of 5,000 shares pursuant to a plan under Securities Exchange Act Rule 10b5-1, and one report with respect to the sale of an additional 5,000 shares; and Robert G. Matheny, Chairman and Chief Executive Officer, did not file on a timely basis one report with respect to the purchase of 120 shares and one report with respect to the sale of 4,000 shares pursuant to a plan under Securities Exchange Act Rule 10b5-1.