Trex Company, Inc. (NYSE:TREX), the world’s largest manufacturer of wood-alternative composite decking and railing, and a leader in high-performance, low-maintenance outdoor living products, will issue its third quarter 2026 earnings release on Wednesday, November 4, 2026, at 6:30 AM ET.

You are invited to participate in the Company’s conference call hosted by senior management on Wednesday, November 4, 2026, at 8:00 AM ET. Their prepared remarks will be followed by a question-and-answer session.

3Q26 Conference Call Date & Time:

Wednesday, November 4, 2026, at 8:00 AM ET

To participate on the day of the call, dial 1-800-715-9871 or internationally 1-646-307-1963 approximately ten minutes before the call and tell the operator you wish to join the Trex Company Conference Call.

A live webcast of the conference call will be available in the Investor Relations section of the Trex Company website at 3Q26 Earnings Webcast. For those who cannot listen to the live broadcast, an audio replay of the conference call will be available within 24 hours after the call on the Trex website. The audio replay will be available for 30 days.

About Trex Company, Inc.

For more than 30 years, Trex Company (NYSE:TREX) has invented, reinvented and defined the composite decking category. Today, the company is the world’s #1 brand of sustainable wood-alternative decking and railing, and a leader in high performance, low-maintenance outdoor living products. Boasting the industry’s strongest distribution network, Trex sells products through more than 6,700 retail outlets across six continents. Through strategic licensing agreements, the company offers a comprehensive outdoor living portfolio that includes deck drainage, flashing tapes, LED lighting, outdoor kitchen components, pergolas, spiral stairs, fencing, lattice, cornhole and outdoor furniture – all marketed under the Trex^®brand. Based in Winchester, Va., Trex is proud to have been named America’s Most Trusted^®Outdoor Decking^ for the past 6 years (2021-2026). The company also holds a place on Barron’s list of the 100 Most Sustainable U.S. Companies (2024 and 2025), was named one of America’s Most Responsible Companies 2024 by Newsweek, ranked as one of the 100 Best ESG Companies by Investor’s Business Daily, and named the Sustainable Brand Leader in the decking category by Green Builder Media for the 15^thconsecutive year. For more information, visit Trex.com. You may also follow Trex on Facebook (trexcompany), Instagram (trexcompany), X (Trex_Company), LinkedIn (trex-company), TikTok (trexcompany), Pinterest (trexcompany) and Houzz (trex-company-inc), or view product and demonstration videos on the brand’s YouTube channel (TheTrexCo).

^Trex received the highest numerical score in the proprietary Lifestory Research 2021-2026 America’s Most Trusted^®Outdoor Decking studies. Study results are based on experiences and perceptions of people surveyed. Your experiences may vary. Visit www.lifestoryresearch.com.

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Lee Coker

VP, Corporate Development & Investor Relations

540-542-6321

Lynn Morgen/Casey Kotary

ADVISIRY Partners

212-750-5800