TREX COMPANY REPORTS FIRST QUARTER 2024 RESULTS Robust First Quarter Sales Reflect Double-Digit Sell-Through for Premium Products and Early Buy Program Exhibit 99.1 NEWS RELEASE Gross Margin Expansion Driven by Higher Utilization and Cost Efficiencies Guiding to Second Quarter Revenues of $380 million to $390 million Reaffirms Full Year 2024 Guidance WINCHESTER, Va. —May 9, 2024— Trex Company, Inc. (NYSE:TREX) (Trex or Company), the world's #1 brand of high-performance, low-maintenance and eco-friendly comp ...

Trex Company, Inc. (NYSE:TREX) Q4 2023 Earnings Conference Call February 26, 2024 5:00 AM ET Company Participants Casey Kotary - IR Amy Fernandez - Vice President, General Counsel Bryan Fairbanks - President & CEO Brenda Lovcik - Senior Vice President and Chief Financial Officer Conference Call Participants Rafe Jadrosich - Bank of America Keith Hughes - SunTrust Robinson Humphrey Susan Maklari - Goldman Sachs Ryan Merkel - William Blair Joseph Ahlersmeyer - Deutsche Bank Trey Grooms - Stephens Tim Wojs - B ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-14649 Trex Company, Inc. (Exact name of registrant as specified in its charter) Delaware 54-1910453 (State or other j ...

Exhibit 99.1 NEWS RELEASE TREX COMPANY REPORTS FOURTH QUARTER AND FULL YEAR 2023 RESULTS —Strong Fourth Quarter Sales Cap a Year of Resilient Consumer Demand for Trex Decking & Railing— —Full Year Gross Margin Expanded By 480 Basis Points— —2024 Guidance Anticipates Double-Digit Sales Growth and Further Margin Expansion— WINCHESTER, Va.—February 26, 2024— Trex Company, Inc. (NYSE:TREX) (Trex or Company), the world's #1 brand of high-performance, low-maintenance and eco-friendly decking and railing and a lea ...

Trex Company, Inc. (NYSE:TREX) Q3 2023 Earnings Conference Call October 30, 2023 5:00 PM ET Company Participants Viktoriia Nakhla - IR Bryan Fairbanks - President & CEO Amy Fernandez - Vice President, General Counsel Brad McDonald - Chief Accounting Officer Kara Strosnider - Director of Financial Planning and Analysis Amy Fernandez - Vice President, General Counsel Brenda Lovcik - Senior Vice President and Chief Financial Officer Conference Call Participants John Lovallo - UBS Susan Maklari - Goldman Sachs ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-14649 Trex Company, Inc. (Exact name of registrant as specified in its charter) Delaware 54-1910453 (State or other ...

Trex Company, Inc. (NYSE:TREX) Q2 2023 Earnings Conference Call July 31, 2023 5:00 PM ET Company Participants Viktoriia Nakhla - IR Amy Fernandez - Vice President, General Counsel Bryan Fairbanks - President & CEO Brad McDonald - Chief Accounting Officer Conference Call Participants Keith Hughes - Truist Securities Tim Wojs - Baird John Lovallo - UBS Rafe Jadrosich - Bank of America Alexander Rygiel - B. Riley Ryan Merkel - William Blair Stanley Elliott - Stifel Joseph Ahlersmeyer - Deutsche Bank Michael Re ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Exact name of registrant as specified in its charter) Delaware 54-1910453 (State or other jurisdiction of incorporation or organization) 2500 Trex Way Winchester, Virginia 22601 (Address of principal executive offices) (Zip Code) (I.R.S. Employer Identification No.) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRAN ...

Trex Company, Inc. (NYSE:TREX) Q1 2023 Earnings Conference Call May 8, 2023 5:00 PM ET Company Participants Viktoriia Nakhla - Investor Relations Bryan Fairbanks - President and Chief Executive Officer Dennis Schemm - Senior Vice President and Chief Financial Officer Amy Fernandez - Vice President, General Counsel Conference Call Participants Jeffrey Stevenson - Loop Capital Ryan Merkel - William Blair Stanley Elliott - Stifel Trey Grooms - Stephens Spencer Kaufman - UBS Joseph Ahlersmeyer - Deutsche Bank K ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-14649 Trex Company, Inc. (Exact name of registrant as specified in its charter) Delaware 54-1910453 (State or other juri ...