TREX / Trex Company, Inc. - Zgłoszenia SEC, Raport roczny, o pełnomocnictwie

Trex Company, Inc.
US ˙ NYSE ˙ US89531P1057

Podstawowe statystyki
LEI 549300ER482WJT9UUX16
CIK 1069878
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Trex Company, Inc.
SEC Filings (Chronological Order)
Na tej stronie znajduje się pełna, chronologiczna lista zgłoszeń SEC, z wyłączeniem zgłoszeń własności, które udostępniamy gdzie indziej.
May 13, 2026 8-K/A

FORM 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 07, 2026 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File Nu

May 13, 2026 EX-99.2

Trex Company

Exhibit 99.2 Trex Company First Quarter 2026 Earnings Conference Call Thursday, May 07, 2026, 08:00 AM ET CORPORATE PARTICIPANTS Adam Zambanini-President and Chief Executive Officer Prithvi Gandhi-Senior Vice President and Chief Financial Officer Lee Coker- Vice President, Corporate Development, and Investor Relations 2 PRESENTATION Operator Good day, and welcome to the Trex Company, Inc. First Qu

May 7, 2026 10-Q

Item 5. Other Information Item 6. Exhibits

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, 2026 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. (

May 7, 2026 EX-99.1

TREX COMPANY REPORTS Solid first QUARTER 2026 RESULTS Launches Five Long-Term Strategic Priorities Well Positioned Heading Into Peak Deck-Building Season with Recent Home Center Stocking Wins Executes and Expands Significant Share Repurchase Program

Exhibit 99.1 News release TREX COMPANY REPORTS Solid first QUARTER 2026 RESULTS Launches Five Long-Term Strategic Priorities Well Positioned Heading Into Peak Deck-Building Season with Recent Home Center Stocking Wins Executes and Expands Significant Share Repurchase Program Reaffirms Full Year 2026 Guidance First Quarter Financial Highlights • Net sales of $343 million • Gross margin of 40.5% • N

May 7, 2026 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 07, 2026 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File Numb

May 7, 2026 EX-10.1

AMENDMENT AND RESTATEMENT OF TREX COMPANY, INC. CHANGE IN CONTROL SEVERANCE AGREEMENT

Exhibit 10.1 AMENDMENT AND RESTATEMENT OF TREX COMPANY, INC. CHANGE IN CONTROL SEVERANCE AGREEMENT THIS AMENDED AND RESTATED AGREEMENT (the “Agreement”) is entered into as of April 28, 2026 (the “Effective Date”) by and between TREX COMPANY, INC., a Delaware corporation (the “Company”), and Adam D. Zambanini, a employee of the Company (the “Eligible Employee”). The Company and the Eligible Employe

May 7, 2026 EX-10.2

AMENDED AND RESTATED SEVERANCE AGREEMENT

Exhibit 10.2 AMENDED AND RESTATED SEVERANCE AGREEMENT This Severance Agreement is entered into as of April 28, 2026, by and between Adam D. Zambanini, an individual (“Executive”) and Trex Company, Inc., a Delaware corporation (the “Company”). Executive and the Company entered into a Severance Agreement dated as of July 27, 2023 setting forth their agreement pursuant to which Executive will receive

May 4, 2026 EX-99.1

TREX COMPANY APPOINTS ZACHARY C. LAUER AS CHIEF OPERATIONS OFFICER

Exhibit 99.1 FOR IMMEDIATE RELEASE TREX COMPANY APPOINTS ZACHARY C. LAUER AS CHIEF OPERATIONS OFFICER WINCHESTER, Va.-(BUSINESS WIRE)-May 4, 2026- 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, today announced the appointment of Zachary C. Lauer as Senior

May 4, 2026 8-K

FORM 8-K Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Item 5.07 Submission of Matters to a Vote of Security Holders. Item 7.01 Regulation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 04, 2026 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 1, 2026 EX-4.1

ARTICLE I DEFINITIONS AND ACCOUNTING TERMS ARTICLE II THE COMMITMENTS AND CREDIT EXTENSIONS ARTICLE III TAXES, YIELD PROTECTION AND ILLEGALITY ARTICLE IV CONDITIONS PRECEDENT TO CREDIT EXTENSIONS ARTICLE V REPRESENTATIONS AND WARRANTIES ARTICLE VI CO

Exhibit 4.1 Published Deal CUSIP Number: 89531UAJ3 Published Revolver CUSIP Number: 89531UAK0 CREDIT AGREEMENT Dated as of March 26, 2026 among TREX COMPANY, INC., as the Borrower, THE SUBSIDIARIES OF THE BORROWER IDENTIFIED HEREIN, as the Guarantors, BANK OF AMERICA, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer, WELLS FARGO BANK, NATIONAL ASSOCIATION, and TD BANK, N.A., as Co-S

April 1, 2026 8-K

FORM 8-K Item 1.01 Entry into a Material Definitive Agreement. Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 01, 2026 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File Nu

March 16, 2026 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

March 16, 2026 ARS

ARS

2025 ANNUAL REPORTExecutive Officers BRYANH.FAIRBANKS President and Chief Executive Officer AMYM.FERNANDEZ Senior Vice President, Chief Legal Officer, Secretary and Chief Sustainability Officer PRITHVIS.GANDHI Senior Vice President and Chief Financial Officer JACOBT.RUDOLPH Senior Vice President, Chief Human Resources Officer ADAMD.ZAMBANINI Executive Vice President and Chief Operating Officer Dir

March 16, 2026 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

March 13, 2026 EX-99.2

Trex Company

Exhibit 99.2 Trex Company Fourth Quarter 2025 Earnings Conference Call Tuesday, February 24, 2026, 04:30 PM ET CORPORATE PARTICIPANTS Bryan Fairbanks-President and Chief Executive Officer Prithvi Gandhi-Senior Vice President and Chief Financial Officer Adam Zambanini-Executive Vice President and Chief Operating Officer Amy Fernandez-Senior Vice President, Chief Legal Officer, Secretary and Chief S

March 13, 2026 8-K/A

FORM 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2026 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission Fi

March 3, 2026 8-K

FORM 8-K Item 1.01 Entry into a Material Definitive Agreement. Item 8.01 Other Events. Item 9.01 Financial Statements and Exhibits. (d) Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 03, 2026 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File Nu

March 3, 2026 EX-10.1

Appendix A

Exhibit 10.1 Date: February 26, 2026 To: Trex Company 160 Exeter Drive Winchester, VA 22603 Attention: Kevin Dunnigan Phone: (540) 492-1681 From: Wells Fargo Bank, National Association 30 Hudson Yards New York, NY 10001-2170 Email:[email protected] Re: Forward Share Repurchase Transaction The purpose of this communication (this “Confirmation”) is to confirm the terms

February 25, 2026 EX-10.10

RETENTION AGREEMENT

Exhibit 10.10 RETENTION AGREEMENT This Retention Agreement is entered into as of February 24, 2026, by and between Prithvi S. Gandhi, an individual (“Executive”) and Trex Company, Inc., a Delaware corporation (the “Company”). Recitals Executive is an officer of the Company. The Company has determined that it is in the best interests of the Company and its stockholders that Executive’s employment w

February 25, 2026 EX-18.1

Preferability Letter

Exhibit 18.1 Preferability Letter February 25, 2026 Board of Directors Trex Company, Inc. 2500 Trex Way Winchester, VA 22601 Ladies and Gentlemen: Note 2 of the Notes to the consolidated financial statements of Trex Company, Inc. included in its Annual Report on Form 10-K for the year ended December 31, 2025 describes a change in the method of accounting for inventory valuation from the last-in, f

February 25, 2026 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

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, 2025 ☐ 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

February 24, 2026 8-K

FORM 8-K Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Item 8.01 Other Events. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2026 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

February 24, 2026 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2026 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

February 24, 2026 EX-99.1

TREX COMPANY ANNOUNCES CEO SUCCESSION PLAN Bryan Fairbanks to Retire After Nearly 23 Years with TREX; Adam Zambanini Appointed President and Chief Executive Officer

Exhibit 99.1 TREX COMPANY ANNOUNCES CEO SUCCESSION PLAN Bryan Fairbanks to Retire After Nearly 23 Years with TREX; Adam Zambanini Appointed President and Chief Executive Officer WINCHESTER, Va.—February 24, 2026—Trex Company, Inc. (NYSE:TREX), the world’s largest manufacturer of high-performance, low-maintenance composite decking and railing products, today announced that Bryan H. Fairbanks, Trex’

February 24, 2026 EX-99.1

TREX COMPANY REPORTS Fourth QUARTER and FUll year 2025 RESULTS —Higher-Than-Expected Fourth Quarter Sales Capped a Year of Resilient Performance— —New Products Accounted for 24% of Full Year Sales, Up From 18% the Prior; Double-Digit Growth in Railin

Exhibit 99.1 News release TREX COMPANY REPORTS Fourth QUARTER and FUll year 2025 RESULTS —Higher-Than-Expected Fourth Quarter Sales Capped a Year of Resilient Performance— —New Products Accounted for 24% of Full Year Sales, Up From 18% the Prior; Double-Digit Growth in Railing Sales— —Meaningful Increase in Home Center Stocking Locations Heading Into 2026— —Repurchased $50 Million of Trex Common S

February 24, 2026 EX-10.1

ANNEX I SUPPLEMENTAL RELEASE

Exhibit 10.1 February 24, 2026 Bryan H. Fairbanks Chief Executive Officer Re: Transition Agreement – Retirement from Trex Company, Inc. Dear Bryan: As you know, you resigned from your position as President and Chief Executive Officer of Trex Company, Inc. (the “Company”) and all other positions you hold with the Company for purposes of retirement. We greatly appreciate your 22 years of service to

February 9, 2026 EX-99.1

TREX COMPANY APPOINTS IRENE TASI TO BOARD OF DIRECTORS

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Lynn Morgen/Casey Kotary ADVISIRY Partners 212-750-5800 TREX COMPANY APPOINTS IRENE TASI TO BOARD OF DIRECTORS WINCHESTER, Va. — February 9, 2026 — Trex Company, Inc. [NYSE:TREX], the world’s largest manufacturer of wood-alternative decking and railing, today announced the appointment of Irene Tasi as a new independent member of its Board of Directors, e

February 9, 2026 8-K

FORM 8-K Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Item 9.01 Financial Statements and Exhibits. (d) Trex Company, Inc. herewith furnish

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 09, 2026 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

December 3, 2025 8-K/A

FORM 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 04, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission Fi

December 3, 2025 EX-99.2

Trex Company

Exhibit 99.2 Trex Company Third Quarter 2025 Earnings Conference Call Tuesday, November 04, 2025, 04:30 PM ET CORPORATE PARTICIPANTS Bryan Fairbanks-President and Chief Executive Officer Prithvi Gandhi-Senior Vice President and Chief Financial Officer Amy Fernandez-Senior Vice President, Chief Legal Officer, Secretary and Chief Sustainability Officer Casey Kotary-ADVISIRY Partners PRESENTATION Ope

December 3, 2025 8-K

FORM 8-K Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Item 9.01 Financial Statements and Exhibits. (d) Trex Company, Inc. herewith furnish

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 03, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

December 3, 2025 EX-99.1

TREX COMPANY APPOINTS B. ANDREW ROSE TO BOARD OF DIRECTORS

Exhibit 99.1 Contact: Lynn Morgen/Casey Kotary ADVISIRY Partners 212-750-5800 TREX COMPANY APPOINTS B. ANDREW ROSE TO BOARD OF DIRECTORS WINCHESTER, Va. — DECEMBER 3, 2025 — Trex Company, Inc. (NYSE:TREX), the world’s largest manufacturer of high-performance, low-maintenance composite decking and railing products, today announced the appointment of B. Andrew (Andy) Rose as a new independent member

November 4, 2025 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 04, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

November 4, 2025 10-Q

Item 5. Other Information Item 6. Exhibits

c 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, 2025 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,

November 4, 2025 EX-10.2

RETENTION AGREEMENT

RETENTION AGREEMENT This Retention Agreement is entered into as of October 30, 2025, by and between Amy M.

November 4, 2025 EX-99.1

TREX COMPANY REPORTS THIRD QUARTER 2025 RESULTS New Products Accounted for 25% of Trailing-Twelve-Month Sales Railing Sales Tracking to Double-Digit Growth for the Year Reducing Production Levels Given Anticipation of Muted R&R Activity for the Rest

Exhibit 99.1 News release TREX COMPANY REPORTS THIRD QUARTER 2025 RESULTS New Products Accounted for 25% of Trailing-Twelve-Month Sales Railing Sales Tracking to Double-Digit Growth for the Year Reducing Production Levels Given Anticipation of Muted R&R Activity for the Rest of the Year Revising Full-Year 2025 Revenue and Adjusted EBITDA Margin Guidance Board of Directors Authorizes $50 Million Sh

October 1, 2025 EX-99.1

Trex Company Names Prithvi S. Gandhi to Senior Vice President, Chief Financial Officer Mr. Prithvi S. Gandhi, Senior Vice President, Chief Financial Officer, Trex Company, Inc

Exhibit 99.1 Trex Company Names Prithvi S. Gandhi to Senior Vice President, Chief Financial Officer Mr. Prithvi S. Gandhi, Senior Vice President, Chief Financial Officer, Trex Company, Inc WINCHESTER, Va.-(BUSINESS WIRE)-October 1, 2025-Trex Company, Inc. [NYSE: TREX], the world’s largest manufacturer of high-performance, low-maintenance composite decking and railing, today announced that it has n

October 1, 2025 8-K

FORM 8-K Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Item 7.01 Regulation FD Disclosure. Item 9.01 Financial Statements and Exhibits. (d)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 01, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

September 16, 2025 8-K/A

FORM 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 04, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

September 16, 2025 EX-99.2

Trex Company, Inc.

Exhibit 99.2 Trex Company, Inc. Second Quarter 2025 Conference Call Monday, August 04, 2025, 04:30 PM ET CORPORATE PARTICIPANTS Bryan Fairbanks-President and Chief Executive Officer Brenda Lovcik-Senior Vice President and Chief Financial Officer Amy Fernandez-Senior Vice President, Chief Legal Officer and Secretary Casey Kotary-ADVISIRY Partners 1 PRESENTATION Operator Good day, and welcome to the

August 4, 2025 EX-10.1

Amended and Restated Severance Agreement dated July 31, 2025 by and between Trex Company, Inc. and Bryan H. Fairbanks.

Exhibit 10.1 AMENDED AND RESTATED SEVERANCE AGREEMENT This Severance Agreement is entered into as of July 31, 2025, by and between Bryan H. Fairbanks, an individual (“Executive”) and Trex Company, Inc., a Delaware corporation (the “Company”). Executive and the Company entered into a Severance Agreement dated as of July 31, 2023 setting forth their agreement pursuant to which Executive will receive

August 4, 2025 EX-10.2

Form of Severance Agreement between Trex Company, Inc. and Officers other than the Chief Executive Officer.

Exhibit 10.2 SEVERANCE AGREEMENT This Severance Agreement (“Agreement”) is entered into as of by and between an individual (“Executive”) and Trex Company, Inc., a Delaware corporation (the “Company”). Recitals Executive is an executive officer of the Company. The Company and Executive desire to set forth their agreement pursuant to which Executive will receive certain benefits upon severance from

August 4, 2025 EX-99.1

TREX COMPANY REPORTS SECOND QUARTER 2025 RESULTS Second Quarter Sales Exceeded Guidance Driven by New Product Sales New Products Accounted for 22% of Trailing Twelve-Month Sales Third Quarter Revenue Guidance of $295 Million to $305 Million Full Year

Exhibit 99.1 News release TREX COMPANY REPORTS SECOND QUARTER 2025 RESULTS Second Quarter Sales Exceeded Guidance Driven by New Product Sales New Products Accounted for 22% of Trailing Twelve-Month Sales Third Quarter Revenue Guidance of $295 Million to $305 Million Full Year 2025 Guidance Reaffirmed at 5% to 7% Revenue Growth and Adjusted EBITDA Margin to Exceed 31% WINCHESTER, Va. –August 4, 202

August 4, 2025 10-Q

Item 5. Other Information Item 6. Exhibits

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 June 30, 2025 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. (E

August 4, 2025 8-K

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 04, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File N

June 25, 2025 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 25, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File Num

June 25, 2025 EX-99.1

TREX COMPANY ANNOUNCES DEPARTURE of chief financial officer

Exhibit 99.1 News release TREX COMPANY ANNOUNCES DEPARTURE of chief financial officer WINCHESTER, Va.-(BUSINESS WIRE)—June 25, 2025- Trex Company, Inc. (NYSE:TREX), the world’s largest manufacturer of wood-alternative decking and railing and a leader in high-performance, low-maintenance outdoor living products, today announced that Brenda Lovcik has resigned as Senior Vice President and Chief Fina

June 6, 2025 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 08, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File Nu

June 6, 2025 EX-99.2

Trex Company, Inc.

Exhibit 99.2 Trex Company, Inc. First Quarter 2025 Earnings Conference Call Thursday, May 08, 2025, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Brenda Lovcik - Senior Vice President, Chief Financial Officer Amy Fernandez - Senior Vice President, Chief Legal Officer, Secretary Casey Kotary - Investor Relations 1 PRESENTATION Operator Hello, and welcom

May 8, 2025 10-Q

Item 5. Other Information Item 6. Exhibits

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, 2025 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. (

May 8, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 08, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File Numb

May 8, 2025 EX-99.1

TREX COMPANY REPORTS first QUARTER 2025 RESULTS First Quarter Sales Exceeded Guidance Driven by Continued Demand for Premium Products New Products Accounted for 22% of Trailing Twelve-Month Sales Pro-Dealer Conversions Drive Future Growth Opportuniti

Exhibit 99.1 News release TREX COMPANY REPORTS first QUARTER 2025 RESULTS First Quarter Sales Exceeded Guidance Driven by Continued Demand for Premium Products New Products Accounted for 22% of Trailing Twelve-Month Sales Pro-Dealer Conversions Drive Future Growth Opportunities Second Quarter Revenue Guidance of $370 million to $380 million Full Year 2025 Guidance Reaffirmed at 5%-7% Revenue Growt

March 24, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

March 24, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

March 24, 2025 ARS

ARS

2024 ANNUALREPORTOfficers BRYAN H. FAIRBANKS President and Chief Executive Officer FRANK J. DE IULIIS Group Vice President, Retail and International Sales AMY M. FERNANDEZ Senior Vice President, Chief Legal Officer and Secretary ANAND KANGALA Vice President, Chief Information Officer ZACHARY C. LAUER Senior Vice President, Supply Chain and Manufacturing L. RODRIGO PIÑEIRO Group Vice President, Inn

March 19, 2025 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission Fi

March 19, 2025 EX-99.2

Trex Company Inc.

Exhibit 99.2 Trex Company Inc. Fourth Quarter and Full Year 2024 Earnings Conference Call Monday, February 24, 2025, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Brenda Lovcik - Senior Vice President and Chief Financial Officer Amy Fernandez - Senior Vice President, Chief Legal Officer and Secretary Casey Kotary - Investor Relations Representative 1 P

February 24, 2025 EX-99.1

TREX COMPANY REPORTS Fourth QUARTER and FUll year 2024 RESULTS —Consumer Demand for Trex Premium Products Remained Strong in the Fourth Quarter and Throughout 2024— —Record Pace of New Product Introductions in 2024— —Full Year Net Income, EPS and EBI

News release TREX COMPANY REPORTS Fourth QUARTER and FUll year 2024 RESULTS —Consumer Demand for Trex Premium Products Remained Strong in the Fourth Quarter and Throughout 2024— —Record Pace of New Product Introductions in 2024— —Full Year Net Income, EPS and EBITDA up 10% Year-on-Year; EBITDA Margin Reached 31.

February 24, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2025 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

February 24, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K

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, 2024 ☐ 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

February 24, 2025 EX-21

Subsidiaries of the Company.

Exhibit 21 Subsidiaries of Trex Company, Inc. Name of the Subsidiary Jurisdiction of Formation Trex Commercial Products, Inc. Delaware

November 21, 2024 EX-99.2

Trex Company, Inc.

Exhibit 99.2 Trex Company, Inc. Third Quarter 2024 Earnings Conference Call Monday, October 28, 2024, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Brenda Lovcik - Senior Vice President, Chief Financial Officer Amy Fernandez - Senior Vice President, Chief Legal Officer and Secretary Casey Kotary - Investor Relations Representative 1 PRESENTATION Operat

November 21, 2024 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2024 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission Fil

October 28, 2024 EX-10.4

Form of Trex Company, Inc. 2023 Stock Incentive Plan Stock Time-Based Restricted Stock Unit Agreement.

Exhibit 10.4 TREX COMPANY, INC. 2023 STOCK INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT TIME-BASED VESTING Trex Company, Inc., a Delaware corporation (the “Company”), hereby grants restricted stock units (“RSUs”) relating to its common stock, $.01 par value (the “Stock”), to the Grantee named below, subject to the vesting conditions set forth in the attachment. Additional terms and conditions of

October 28, 2024 EX-99.1

TREX COMPANY REPORTS THIRD QUARTER 2024 RESULTS Continued Strength in Consumer Demand for Premium Products New Railing Product Introductions to Accelerate Market Share Gains Provides Update on New Arkansas Facility Reaffirms Full Year 2024 Sales Guid

Exhibit 99.1 News release TREX COMPANY REPORTS THIRD QUARTER 2024 RESULTS Continued Strength in Consumer Demand for Premium Products New Railing Product Introductions to Accelerate Market Share Gains Provides Update on New Arkansas Facility Reaffirms Full Year 2024 Sales Guidance and Expects to Achieve High End of EBITDA Guidance Range WINCHESTER, Va. –October 28, 2024– Trex Company, Inc. (NYSE:TR

October 28, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

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, 2024 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, In

October 28, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2024 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

October 28, 2024 EX-10.3

Form of Trex Company, Inc. 2023 Stock Incentive Plan Stock Appreciation Rights Agreement.

Exhibit 10.3 TREX COMPANY, INC. 2023 STOCK INCENTIVE PLAN STOCK APPRECIATION RIGHTS AGREEMENT Trex Company, Inc., a Delaware corporation (the “Company”), hereby grants stock appreciation rights (“SARs”) relating to its common stock, $.01 par value, (the “Stock”) to the Grantee named below, subject to the vesting conditions set forth in the attachment. Additional terms and conditions of the grant a

October 28, 2024 EX-10.5

Form of Trex Company, Inc. 2023 Stock Incentive Plan Stock Performance-Based Restricted Stock Unit Agreement.

Exhibit 10.5 TREX COMPANY, INC. 2023 STOCK INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT PERFORMANCE-BASED VESTING Trex Company, Inc., a Delaware corporation (the “Company”), hereby grants restricted stock units (“RSUs”) relating to its common stock, $.01 par value (the “Stock”), to the Grantee named below, subject to the vesting conditions set forth in the attachment. Additional terms and condit

October 11, 2024 EX-4.1

Second Amendment to Credit Agreement dated as of October 10, 2024.

Exhibit 4.1 SECOND AMENDMENT TO CREDIT AGREEMENT dated as of October 10, 2024 among TREX COMPANY, INC., as the Borrower, THE SUBSIDIARIES OF THE BORROWER IDENTIFIED HEREIN, as the Guarantors, BANK OF AMERICA, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer, TD BANK, N.A., as Syndication Agent, and THE OTHER LENDERS PARTY HERETO Arranged By: BofA SECURITIES, INC., as Sole Lead Arran

October 11, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 10, 2024 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

August 29, 2024 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 06, 2024 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File

August 29, 2024 EX-99.2

Trex Company, Inc.

Exhibit 99.2 Trex Company, Inc. Second Quarter 2024 Earnings Conference Call Tuesday, August 06, 2024, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Brenda Lovcik - Senior Vice President, Chief Financial Officer Amy Fernandez - Senior Vice President, Chief Legal Officer and Secretary Casey Kotary - Investor Relations Representative 1 PRESENTATION Opera

August 19, 2024 EX-99.1

TREX COMPANY APPOINTS CHRIS KEFFER AS NEW INDEPENDENT MEMBER OF TREX BOARD OF DIRECTORS

Exhibit 99.1 News release TREX COMPANY APPOINTS CHRIS KEFFER AS NEW INDEPENDENT MEMBER OF TREX BOARD OF DIRECTORS WINCHESTER, Va. –August 19, 2024– Trex Company, Inc. (NYSE:TREX), the world’s largest manufacturer of high-performance, low-maintenance composite decking and railing, and a leading brand of outdoor living products, announced the appointment of executive Chris Keffer as a new independen

August 19, 2024 EX-99.1

TREX COMPANY REPORTS ON RECENT SHARE REPURCHASES

News release TREX COMPANY REPORTS ON RECENT SHARE REPURCHASES WINCHESTER, Va. –August 19, 2024– Trex Company, Inc. (NYSE:TREX), the world’s largest manufacturer of high-performance, low-maintenance composite decking and railing, and a leading brand of outdoor living products, today reported on recent repurchases of its common stock. In the third quarter 2024, the Company has repurchased 822,400 sh

August 19, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 19, 2024 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File N

August 19, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 19, 2024 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File N

August 6, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

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 June 30, 2024 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. (E

August 6, 2024 EX-99.1

TREX COMPANY REPORTS SECOND QUARTER 2024 RESULTS Second Quarter Sales Growth Led by Premium Products Gross Margin Expansion Driven by Higher Utilization and Production Efficiencies Guiding to Third Quarter Revenues of $220 million to $230 million Ful

News release TREX COMPANY REPORTS SECOND QUARTER 2024 RESULTS Second Quarter Sales Growth Led by Premium Products Gross Margin Expansion Driven by Higher Utilization and Production Efficiencies Guiding to Third Quarter Revenues of $220 million to $230 million Full Year Sales Guidance Adjusted to Reflect Softness in Entry-Level Consumer Demand and Uncertain Economic Outlook; Maintains Full Year EBITDA Margin Guidance of 30% to 30.

August 6, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 06, 2024 Trex Company Inc (Exact name of Registrant as Specified in Its Charter) Delaware 001-14649 54-1910453 (State or Other Jurisdiction of Incorporation) (Commission File N

May 24, 2024 8-K/A

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

May 24, 2024 EX-99.2

1

Exhibit 99.2 Trex Company, Inc. First Quarter 2024 Earnings Conference Call Thursday, May 09, 2024, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Brenda Lovcik - Senior Vice President, Chief Financial Officer Amy Fernandez - Senior Vice President, Chief Legal Officer and Secretary Casey Kotary - Investor Relations PRESENTATION Operator Good evening, an

May 9, 2024 10-Q

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, 2024 OR ☐ TRANSITION REPORT PURSUANT

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, 2024 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:

May 9, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 9, 2024 TREX COMPANY, INC.

May 9, 2024 EX-99.1

TREX COMPANY REPORTS FIRST QUARTER 2024 RESULTS Robust First Quarter Sales Reflect Double-Digit Sell-Through for Premium Products and Early Buy Program Gross Margin Expansion Driven by Higher Utilization and Cost Efficiencies Guiding to Second Quarte

Exhibit 99.1 NEWS RELEASE TREX COMPANY REPORTS FIRST QUARTER 2024 RESULTS Robust First Quarter Sales Reflect Double-Digit Sell-Through for Premium Products and Early Buy Program 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

March 25, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒        Filed by a party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pr

March 25, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒        Filed by a party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2

March 5, 2024 8-K/A

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

March 5, 2024 EX-99.2

1

Exhibit 99.2 Trex Company, Inc. Fourth Quarter and Full Year 2023 Earnings Conference Call Monday, February 26, 2024, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Brenda Lovcik - Senior Vice President, Chief Financial Officer Amy Fernandez - Senior Vice President, Chief Legal Officer and Secretary Casey Kotary - Investor Relations Presentation Operato

February 26, 2024 EX-19.1

Insider Trading Policy

Exhibit 19.1 2500 Trex Way Winchester, VA 22601 POLICY – INSIDER TRADING EFFECTIVE: May 6, 1999. Amended August 15, 2001, October 23, 2003 and February 8, 2006. The Need for a Policy Statement The purchase or sale by any person while in the possession of material, nonpublic (“inside”) information or the selective disclosure of such information to others who may trade in securities is prohibited by

February 26, 2024 EX-97.1

Recovery of Compensation for Accounting Restatements Policy

Exhibit 97.1 2500 Trex Way Winchester, VA 22601 POLICY – RECOVERY OF COMPENSATION FOR ACCOUNTING RESTATEMENTS EFFECTIVE: October 23, 2013; Amended and Restated October 24, 2023 1. Purpose and Scope. Trex Company, Inc. (the “Company”) has adopted this compensation clawback policy (the “Policy”) to comply with Section 954 of the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 (“Dod

February 26, 2024 EX-21

Subsidiaries of the Company.

Exhibit 21 Subsidiaries of Trex Company, Inc. Name of the Subsidiary Jurisdiction of Formation Trex Commercial Products, Inc. Delaware

February 26, 2024 EX-99.1

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-Di

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 Co

February 26, 2024 10-K

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 PURSUA

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: 0

February 26, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 26, 2024 TREX COMPANY, INC.

February 26, 2024 EX-3.3

Amended and Restated By-Laws of the Company dated February 21, 2024

Exhibit 3.3 TREX COMPANY, INC. AMENDED AND RESTATED BY-LAWS ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware is 2711 Centerville Road, Suite 400, Wilmington, Delaware 19808, located in the county of New Castle. The name of its registered agent at such address is Corporation Service Company. Section 2. Other Offices. The Corporation m

February 13, 2024 SC 13G/A

TREX / Trex Company, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv02107-trexcoinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Trex Co Inc Title of Class of Securities: Common Stock CUSIP Number: 89531P105 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pu

February 9, 2024 SC 13G/A

TREX / Trex Company, Inc. / WASATCH ADVISORS INC Passive Investment

SC 13G/A 1 trex224.txt SCHEDULE 13G Amendment No. 1 Name of Issuer: Trex Company, Inc. Title of Class of Securities: Common Stock CUSIP Number: 89531P105 Item 1: Reporting Person: Wasatch Advisors LP 87-0319391 Item 2: Check Box If Member of Group: Not Applicable Item 3: SEC Use Item 4: Place of Organization: Utah Items 5-8: Number of Shares Owned With: Item 5: Sole Voting Power: 4,016,259 Item 6:

January 23, 2024 SC 13G/A

TREX / Trex Company, Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us89531p1057012324.txt us89531p1057012324.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 17) TREX COMPANY INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 89531P105 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box

November 8, 2023 EX-99.2

Trex Company, Inc.

Exhibit 99.2 Trex Company, Inc. Third Quarter 2023 Earnings Conference Call Monday, October 30, 2023, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Brenda Lovcik - Senior Vice President and Chief Financial Officer Brad McDonald - Chief Accounting Officer Kara Strosnider - Director of Financial Planning and Analysis Amy Fernandez - Vice President, Gener

November 8, 2023 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

October 30, 2023 EX-3.3

Amended and Restated By-Laws of the Company dated October 25, 2023.

Exhibit 3.3 TREX COMPANY, INC. AMENDED AND RESTATED BY-LAWS ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware is 2711 Centerville Road, Suite 400, Wilmington, Delaware 19808, located in the county of New Castle. The name of its registered agent at such address is Corporation Service Company. Section 2. Other Offices. The Corporation m

October 30, 2023 10-Q

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 PURSU

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 Numb

October 30, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 30, 2023 TREX COMPANY, INC.

October 30, 2023 EX-99.1

Trex Company Reports Third Quarter 2023 Results

Exhibit 99.1 Trex Company Reports Third Quarter 2023 Results Resilient Consumer Demand Drives Robust Sales Growth Improved Volume and Cost Out Program Generated Strong Profit Growth Raising Full Year 2023 Revenue and Adjusted EBITDA Guidance WINCHESTER, Va.-(BUSINESS WIRE)-October 30, 2023-Trex Company, Inc. (NYSE:TREX), the world’s #1 brand of high-performance, low-maintenance and eco-friendly de

October 10, 2023 EX-99.1

Trex Company Names Brenda Lovcik Senior Vice President and Chief Financial Officer

Exhibit 99.1 Trex Company Names Brenda Lovcik Senior Vice President and Chief Financial Officer WINCHESTER, Va.-(BUSINESS WIRE)-October 10, 2023-Trex Company, Inc. (NYSE:TREX), the world’s #1 brand of high-performance, low-maintenance and eco-friendly composite decking and railing and a leader in outdoor living products, today announced that it has named Brenda Lovcik Senior Vice President and Chi

October 10, 2023 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 10, 2023 TREX COMPANY, INC.

September 7, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 7, 2023 TREX COMPANY, INC.

September 7, 2023 EX-99.1

Trex Company Hosts Investor Day in New York

Exhibit 99.1 Trex Company Hosts Investor Day in New York Announces 5-Year Net Sales, EBITDA and EBITDA Margin Targets WINCHESTER, Va.-(BUSINESS WIRE)-September 7, 2023-Trex Company, Inc. (NYSE:TREX), the world’s #1 brand of high-performance, low-maintenance and eco-friendly composite decking and railing and a leader in outdoor living products, today hosted its previously announced 2023 Investor Da

August 9, 2023 EX-99.2

Trex Company

EX-99.2 Exhibit 99.2 Trex Company Second Quarter 2023 Earnings Conference Call Monday, July 31, 2023, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Brad McDonald - Chief Accounting Officer Kara Strosnider - Director, Financial Planning & Analysis Amy Fernandez - Vice President, General Counsel Viktoriia Nakhla - Investor Relations 1 PRESENTATION Operat

August 9, 2023 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

July 31, 2023 EX-10.3

Form of Trex Company, Inc. 2023 Stock Incentive Plan Stock Appreciation Rights Agreement.

EX-10.3 Exhibit 10.3 TREX COMPANY, INC. 2023 STOCK INCENTIVE PLAN STOCK APPRECIATION RIGHTS AGREEMENT Trex Company, Inc., a Delaware corporation (the “Company”), hereby grants stock appreciation rights (“SARs”) relating to its common stock, $.01 par value, (the “Stock”) to the Grantee named below, subject to the vesting conditions set forth in the attachment. Additional terms and conditions of the

July 31, 2023 EX-10.6

Form of Trex Company, Inc. Amended and Restated 1999 Incentive Plan for Outside Directors Restricted Stock Unit Agreement.

EX-10.6 Exhibit 10.6 TREX COMPANY, INC. AMENDED AND RESTATED 1999 INCENTIVE PLAN FOR OUTSIDE DIRECTORS RESTRICTED STOCK UNIT AGREEMENT Trex Company, Inc., a Delaware corporation (the “Company”), hereby grants restricted stock units (“RSUs”) relating to its common stock, $.01 par value (the “Stock”), to the Grantee named below, subject to the vesting conditions set forth in the attachment. Addition

July 31, 2023 10-Q

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 June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT T

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 June 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 Tre

July 31, 2023 EX-99.1

Trex Company Reports Second Quarter 2023 Results

Exhibit 99.1 Trex Company Reports Second Quarter 2023 Results Stronger-Than-Expected Sales Performance Demonstrates Resilient Consumer Demand Production Optimization and Cost-Out Programs Driving Substantial Margin Expansion Raising Full-Year EBITDA Margin Guidance to 28% to 29% Reflecting First Half Performance and Improved Visibility Guiding to Third Quarter 2023 Revenues of $280 million to $290

July 31, 2023 EX-10.4

Form of Trex Company, Inc. 2023 Stock Incentive Plan Time-Based Restricted Stock Unit Agreement.

EX-10.4 Exhibit 10.4 TREX COMPANY, INC. 2023 STOCK INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT TIME-BASED VESTING Trex Company, Inc., a Delaware corporation (the “Company”), hereby grants restricted stock units (“RSUs”) relating to its common stock, $.01 par value (the “Stock”), to the Grantee named below, subject to the vesting conditions set forth in the attachment. Additional terms and condi

July 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 31, 2023 TREX COMPANY, INC.

July 31, 2023 EX-10.8

Form of Severance Agreement between Trex Company, Inc. and Officers other than the Chief Executive Officer.

EX-10.8 Exhibit 10.8 AMENDED AND RESTATED SEVERANCE AGREEMENT This Severance Agreement is entered into as of , by and between an individual (“Executive”) and Trex Company, Inc., a Delaware corporation (the “Company”). Executive and the Company entered into a Severance Agreement dated as of setting forth their agreement pursuant to which Executive will receive certain benefits upon severance from t

July 31, 2023 EX-10.5

Form of Trex Company, Inc. 2023 Stock Incentive Plan Performance-Based Restricted Stock Unit Agreement.

EX-10.5 Exhibit 10.5 TREX COMPANY, INC. 2023 STOCK INCENTIVE PLAN RESTRICTED STOCK UNIT AGREEMENT PERFORMANCE-BASED VESTING Trex Company, Inc., a Delaware corporation (the “Company”), hereby grants restricted stock units (“RSUs”) relating to its common stock, $.01 par value (the “Stock”), to the Grantee named below, subject to the vesting conditions set forth in the attachment. Additional terms an

July 31, 2023 EX-10.2

Trex Company, Inc. Amended and Restated 1999 Incentive Plan for Outside Directors as amended on July 26, 2023.

EX-10.2 Exhibit 10.2 TREX COMPANY, INC. AMENDED AND RESTATED 1999 INCENTIVE PLAN FOR OUTSIDE DIRECTORS TABLE OF CONTENTS Page 1.   DEFINITIONS 1 2.   PURPOSE 2 3.   SHARES SUBJECT TO THE PLAN 2 4.   ANNUAL DIRECTOR AND COMMITTEE FEES 3 4.1.   Annual Director Fee 3 4.1.1  Cash Portion of Annual Director Fee 3 4.1.2  Equity Portion of Annual Director Fee 3 4.2.   Annual Committee Fee 3 4.3.   Electi

July 31, 2023 EX-10.7

Amended and Restated Severance Agreement dated July 31, 2023 by and between Trex Company, Inc. and Bryan H. Fairbanks.

EX-10.7 Exhibit 10.7 AMENDED AND RESTATED SEVERANCE AGREEMENT This Severance Agreement is entered into as of July 31, 2023, by and between Bryan H. Fairbanks, an individual (“Executive”) and Trex Company, Inc., a Delaware corporation (the “Company”). Executive and the Company entered into a Severance Agreement dated as of July 24, 2019 setting forth their agreement pursuant to which Executive will

July 31, 2023 EX-3.3

Amended and Restated By-Laws of the Company dated July 26, 2023.

EX-3.3 Exhibit 3.3 TREX COMPANY, INC. AMENDED AND RESTATED BY-LAWS ARTICLE I OFFICES Section 1. Registered Office. The registered office of the Corporation in the State of Delaware is 2711 Centerville Road, Suite 400, Wilmington, Delaware 19808, located in the county of New Castle. The name of its registered agent at such address is Corporation Service Company. Section 2. Other Offices. The Corpor

June 7, 2023 EX-99.1

Trex Company Mourns the Passing of Board Member Michael F. Golden

EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Bryan H. Fairbanks President and CEO 540-542-6300 Lynn Morgen/Viktoriia Nakhla AdvisIRy Partners 212-750-5800 Trex Company Mourns the Passing of Board Member Michael F. Golden WINCHESTER, VA. — June 7, 2023 — Trex Company, Inc. (NYSE:TREX), is deeply saddened to announce the passing of Michael F. Golden, the Company’s Lead Independent Director. N

June 7, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 7, 2023 TREX COMPANY, INC.

May 24, 2023 EX-99.1

TREX COMPANY ANNOUNCES DEPARTURE OF CHIEF FINANCIAL OFFICER

EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Lynn Morgen/Viktoriia Nakhla ADVISIRY Partners 212-750-5800 TREX COMPANY ANNOUNCES DEPARTURE OF CHIEF FINANCIAL OFFICER WINCHESTER, Va. — May 24, 2023 — Trex Company, Inc. (NYSE:TREX), the world’s #1 brand of high-performance, low-maintenance and eco-friendly composite decking, railing and outdoor living products, today announced that Dennis Sche

May 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 23, 2023 TREX COMPANY, INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 23, 2023 TREX COMPANY, INC.

May 22, 2023 LETTER

LETTER

United States securities and exchange commission logo May 22, 2023 Dennis C. Schemm Chief Financial Officer Trex Company, Inc. 160 Exeter Drive Winchester, Virginia 22603-8605 Re: Trex Company, Inc. Form 10-K for the Fiscal Year Ended December 31, 2022 Filed February 27, 2023 File No. 001-14649 Dear Dennis C. Schemm: We have completed our review of your filing. We remind you that the company and i

May 19, 2023 CORRESP

BRIAN M. BROWN Admitted in Virginia and Michigan (804) 343-5023 May 19, 2023

CORRESP BRIAN M. BROWN Admitted in Virginia and Michigan (804) 343-5023 [email protected] May 19, 2023 U. S. Securities and Exchange Commission Division of Corporation Finance Heather Clark, Examinations Manager (Supervisory Attorney) Andrew Blume, Staff Accountant Re: TREX COMPANY, INC. Form 10-K for the Fiscal Year Ended December 31, 2022 Filed February 27, 2023 File Number 001-14649 Dear

May 16, 2023 EX-99.2

Trex Company, Inc.

EX-99.2 Exhibit 99.2 Trex Company, Inc. First Quarter 2023 Earnings Conference Call Monday, May 08, 2023, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks – President, Chief Executive Officer Dennis Schemm - Senior Vice President, Chief Financial Officer Amy Fernandez - Vice President, General Counsel Viktoriia Nakhla - Investor Relations PRESENTATION Operator Good afternoon, and welcome to

May 16, 2023 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

May 8, 2023 EX-99.1

Trex Company Reports First Quarter 2023 Results

Exhibit 99.1 Trex Company Reports First Quarter 2023 Results Results in Line with Expectations Trex Board of Directors Approved a New Share Repurchase Program up to 10% of the Company’s Outstanding Common Stock Guiding to Second Quarter Revenue of $310 Million to $320 Million Reaffirm 26%-27% EBITDA Margin for FY 2023 WINCHESTER, Va.-(BUSINESS WIRE)-May 8, 2023-Trex Company, Inc. (NYSE:TREX), the

May 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 8, 2023 TREX COMPANY, INC.

May 8, 2023 EX-10.1

Trex Company, Inc. 2023 Stock Incentive Plan.

EX-10.1 Exhibit 10.1 TREX COMPANY, INC. AMENDED AND RESTATED 2023 STOCK INCENTIVE PLAN TABLE OF CONTENTS Page 1. PURPOSE 1 2. DEFINITIONS 1 3. ADMINISTRATION OF THE PLAN 4 3.1 Committee 4 3.2 Grants 4 3.3 No Liability 5 3.4 Applicability of Rule 16b-3 5 3.5 Termination of Employment or Other Relationship 5 4. STOCK SUBJECT TO THE PLAN 6 4.1 Aggregate Limitation 6 4.2 Application of Aggregate Limit

May 8, 2023 10-Q

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

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 Tr

April 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 24, 2023 TREX COMPANY, INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 24, 2023 TREX COMPANY, INC.

April 24, 2023 EX-99.1

Trex Company Appoints Human Resources Leader Melkeya McDuffie to its Board of Directors

EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Dennis C. Schemm Senior Vice President and CFO 540-542-6300 Lynn Morgen/Viktoriia Nakhla AdvisIRy Partners 212-750-5800 Trex Company Appoints Human Resources Leader Melkeya McDuffie to its Board of Directors WINCHESTER, VA. — April 24, 2023 — Trex Company, Inc. (NYSE:TREX), the world’s #1 brand of high-performance, low-maintenance and eco-friendl

April 19, 2023 CORRESP

Brian M. Brown Admitted in Virginia and Michigan (804) 343-5023 April 18, 2023

CORRESP 1 filename1.htm Brian M. Brown Admitted in Virginia and Michigan (804) 343-5023 [email protected] April 18, 2023 VIA ELECTRONIC FILING Ms. Heather Clark Mr. Andrew Blume Office of Manufacturing Division of Corporation Finance United States Securities and Exchange Commission 100 F Street NE Washington, D.C. 20549 Re: Trex Company, Inc. Form 10-K for the Fiscal Year Ended December 31,

April 13, 2023 LETTER

LETTER

United States securities and exchange commission logo April 13, 2023 Dennis C. Schemm Chief Financial Officer Trex Company, Inc. 160 Exeter Drive Winchester, Virginia 22603-8605 Re: Trex Company, Inc. Form 10-K for the Fiscal Year Ended December 31, 2022 Filed February 27, 2023 File No. 001-14649 Dear Dennis C. Schemm: We have limited our review of your filing to the financial statements and relat

April 10, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

March 29, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 21, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

March 21, 2023 ARS

ARS

2022 ANNUAL REPORTBRYAN H. FAIRBANKS President and Chief Executive Officer S. LESLIE ADKINS Vice President, Marketing and ESG Development BARRY L. CREEK Vice President, Manufacturing FRANK J. DE IULIIS Vice President, Retail and International Sales AMY M. FERNANDEZ Vice President, General Counsel and Assistant Secretary WILLIAM R. GUPP Senior Vice President, Chief Legal Officer and Secretary ZACHA

March 21, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Pro

March 14, 2023 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 27, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

March 14, 2023 EX-99.2

Trex Company

EX-99.2 Exhibit 99.2 Trex Company Fourth Quarter and Full Year 2022 Earnings Conference Call Monday, February 27, 2023, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks—President, Chief Executive Officer Dennis Schemm—Senior Vice President & Chief Financial Officer Amy Fernandez—Vice President, General Counsel Viktoriia Nakhla—Investor Relations PRESENTATION Operator Good afternoon, and welc

February 27, 2023 EX-21

Subsidiaries of the Company.

EX-21 Exhibit 21 Subsidiaries of Trex Company, Inc. Name of the Subsidiary Jurisdiction of Formation Trex Commercial Products, Inc. Delaware

February 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 27, 2023 TREX COMPANY, INC.

February 27, 2023 EX-99.1

Trex Company Reports Fourth Quarter and Full Year 2022 Results

Exhibit 99.1 Trex Company Reports Fourth Quarter and Full Year 2022 Results Fourth Quarter Operating Results Exceed Expectations Channel Inventory Recalibration Completed by Year End 2022 Returned $395 Million to Shareholders Through Share Repurchases in 2022 Trex Commercial Products Divested Company Provides 2023 Financial Outlook WINCHESTER, Va.-(BUSINESS WIRE)-February 27, 2023-Trex Company, In

February 27, 2023 10-K

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, 2022 ☐ TRANSITION REPORT PURSUA

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, 2022 ☐ 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

February 14, 2023 SC 13G/A

TREX / Trex Company Inc / ALLIANCEBERNSTEIN L.P. - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Trex Co Inc (Name of Issuer) Common Stock (Title of Class of Securities) 89531P105 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designa

February 9, 2023 SC 13G/A

TREX / Trex Company Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv02074-trexcoinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Trex Co. Inc. Title of Class of Securities: Common Stock CUSIP Number: 89531P105 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule

February 8, 2023 SC 13G

TREX / Trex Company Inc / WASATCH ADVISORS INC Passive Investment

SC 13G 1 trex223.txt SCHEDULE 13G Amendment No. Name of Issuer: Trex Company, Inc. Title of Class of Securities: Common Stock CUSIP Number: 89531P105 Item 1: Reporting Person: Wasatch Advisors LP 87-0319391 Item 2: Check Box If Member of Group: Not Applicable Item 3: SEC Use Item 4: Place of Organization: Utah Items 5-8: Number of Shares Owned With: Item 5: Sole Voting Power: 6,151,337 Item 6: Sha

January 23, 2023 SC 13G/A

TREX / Trex Company Inc / BlackRock Inc. Passive Investment

us89531p1057012323.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 16) TREX COMPANY INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 89531P105 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

December 30, 2022 EX-10.1

Asset Purchase Agreement dated as of December 30, 2022 by and between Trex Commercial Products, Inc., Trex Company, Inc. and Sightline Commercial Solutions, LLC.

Exhibit 10.1 Execution Copy ASSET PURCHASE AGREEMENT between TREX COMMERCIAL PRODUCTS, INC., a Delaware corporation, TREX COMPANY, INC., a Delaware corporation, and Sightline Commercial Solutions LLC, a Minnesota limited liability company, dated as of December 30, 2022 Execution Copy TABLE OF CONTENTS ARTICLE I DEFINITIONS 1 ARTICLE II PURCHASE AND SALE 10 Section 2.01 Purchase and Sale of Assets

December 30, 2022 EX-99.1

TREX COMPANY ANNOUNCES SALE OF ITS COMMERCIAL PRODUCTS BUSINESS COMPANY RESOURCES TO FOCUS ON GROWTH OPPORTUNITIES IN OUTDOOR LIVING

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Dennis C. Schemm Senior Vice President and CFO 540-542-6300 Lynn Morgen/Viktoriia Nakhla ADVISIRY Partners 212-750-5800 TREX COMPANY ANNOUNCES SALE OF ITS COMMERCIAL PRODUCTS BUSINESS COMPANY RESOURCES TO FOCUS ON GROWTH OPPORTUNITIES IN OUTDOOR LIVING WINCHESTER, Va. ? December 30, 2022? Trex Company, Inc. (NYSE:TREX), the world?s #1 brand of high-perfo

December 30, 2022 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 30, 2022 TREX COMPANY, INC.

December 23, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 22, 2022 TREX COMPANY, INC.

December 23, 2022 EX-4.1

First Amendment to Credit Agreement dated as of December 22, 2022 to the Credit Agreement dated May 18, 2022 by and among the Company, as borrower; the guarantors party thereto; Bank of America, N.A. (BOA), as a Lender, Administrative Agent, Swing Line Lender and L/C Issuer; TD Bank, N.A. as lender and Syndication Agent; Regions Bank, PNC Bank, National Association, and Wells Fargo Bank, National Association (each, a Lender and collectively, the Lenders), arranged by BofA Securities, Inc. as Sole Lead Arranger and Sole Bookrunner.

Exhibit 4.1 FIRST AMENDMENT TO CREDIT AGREEMENT dated as of December 22, 2022 among TREX COMPANY, INC., as the Borrower, THE SUBSIDIARIES OF THE BORROWER IDENTIFIED HEREIN, as the Guarantors, BANK OF AMERICA, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer, TD BANK, N.A., as Syndication Agent, and THE OTHER LENDERS PARTY HERETO Arranged By: BofA SECURITIES, INC., as Sole Lead Arran

November 15, 2022 EX-99.2

Trex Company, Inc.

Exhibit 99.2 Trex Company, Inc. Third Quarter 2022 Earnings Conference Call Monday, October 31, 2022, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President and Chief Executive Officer Dennis Schemm - Senior Vice President and Chief Financial Officer Amy Fernandez - Vice President, General Counsel Viktoriia Nakhla - Investor Relations 1 PRESENTATION Operator Good afternoon, and welcome

November 15, 2022 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

November 9, 2022 SC 13G/A

TREX / Trex Company Inc / BlackRock Inc. Passive Investment

us89531p1057110822.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 15) TREX COMPANY INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 89531P105 - (CUSIP Number) October 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to w

October 31, 2022 EX-99.1

Trex Company Reports Third Quarter 2022 Results

Exhibit 99.1 Trex Company Reports Third Quarter 2022 Results Revenue and EBITDA Results Consistent with Expectations Focus on Cost Efficiency Repurchased 1.7 million shares Reaffirms Fourth Quarter Revenue and EBITDA Margin Guidance WINCHESTER, Va.-(BUSINESS WIRE)-October 31, 2022-Trex Company, Inc. (NYSE:TREX), the world’s #1 brand of high-performance, low-maintenance and eco-friendly composite d

October 31, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 31, 2022 TREX COMPANY, INC.

October 31, 2022 10-Q

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, 2022 OR ☐ TRANSITION REPORT PURSU

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, 2022 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: 001-1464

August 17, 2022 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

August 17, 2022 EX-99.2

Trex Company, Inc.

Exhibit 99.2 Trex Company, Inc. Second Quarter 2022 Earnings Conference Call Monday, August 08, 2022, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Dennis Schemm - Senior Vice President & Chief Financial Officer Amy Fernandez - Vice President, General Counsel Viktoriia Nakhla - Investor Relations PRESENTATION Operator Good afternoon, and welcome to the

August 8, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 8, 2022 TREX COMPANY, INC.

August 8, 2022 EX-99.1

Trex Company Reports Second Quarter 2022 Results

Exhibit 99.1 Trex Company Reports Second Quarter 2022 Results Strong Quarterly Growth Across All Key Financial Metrics Repurchased 2.8 million Shares During the Quarter Successfully Launched Trex Transcend? Lineage? Decking Line Second Half 2022 Revenue Guidance Reflects Channel Expectations and Inventory Alignment WINCHESTER, Va.-(BUSINESS WIRE)-August 8, 2022-Trex Company, Inc. (NYSE:TREX), the

August 8, 2022 10-Q

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 June 30, 2022 OR ☐ TRANSITION REPORT PURSUANT T

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 June 30, 2022 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 Tre

July 12, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 7, 2022 TREX COMPANY, INC.

July 12, 2022 EX-10.1

AIA document A141 – 2014 Agreement dated July 7, 2022 by and between Trex Company, Inc. and Gray Construction, Inc.

Exhibit 10.1 AIA? Document A141TM-2014 Standard Form of Agreement Between Owner and Design-Builder AGREEMENT made as of the 7 day of July in the year 2022 (In words, indicate day, month and year.) BETWEEN the Owner: (Name, legal status, address and other information) Trex Company, Inc. 160 Exeter Drive Winchester, Virginia 22603 and the Design-Builder: (Name, legal status, address and other inform

May 20, 2022 EX-4.2

Note dated May 18, 2022 payable by the Company to Bank of America, N.A. in the amount of the lesser of $180,000,000 or the outstanding revolver advances made by Bank of America, N.A.

Exhibit 4.2 NOTE May 18, 2022 FOR VALUE RECEIVED, the undersigned (the ?Borrower?), hereby promises to pay to BANK OF AMERICA, N.A. or registered assigns (the ?Lender?), in accordance with the provisions of the Agreement (as hereinafter defined), the principal amount of each Loan from time to time made by the Lender to the Borrower under that certain Credit Agreement, dated as of May 18, 2022 (as

May 20, 2022 EX-4.7

Security and Pledge Agreement dated as of May 18, 2022 between the Company, as debtor, Trex Commercial Products, Inc., as additional obligor; and Bank of America, N.A. as Administrative Agent (including Notices of Grant of Security Interest in Copyrights and Trademarks).

Exhibit 4.7 Execution Version SECURITY AND PLEDGE AGREEMENT THIS SECURITY AND PLEDGE AGREEMENT (this ?Agreement?) is entered into as of May 18, 2022 among the parties identified as ?Obligors? on the signature pages hereto and such other parties that may become Obligors hereunder after the date hereof (each individually an ?Obligor? and collectively the ?Obligors?), and BANK OF AMERICA, N.A., in it

May 20, 2022 EX-4.5

Note dated May 18, 2022 payable by the Company to PNC Bank, National Association in the amount of the lesser of $30,000,000 or the outstanding revolver advances made by PNC Bank, National Association.

Exhibit 4.5 NOTE May 18, 2022 FOR VALUE RECEIVED, the undersigned (the ?Borrower?), hereby promises to pay to PNC BANK, NATIONAL ASSOCIATION or registered assigns (the ?Lender?), in accordance with the provisions of the Agreement (as hereinafter defined), the principal amount of each Loan from time to time made by the Lender to the Borrower under that certain Credit Agreement, dated as of May 18,

May 20, 2022 EX-4.3

Note dated May 18, 2022 payable by the Company to Wells Fargo Bank, National Association in the amount of the lesser of $120,000,000 or the outstanding revolver advances made by Wells Fargo Bank, N.A.

Exhibit 4.3 NOTE May 18, 2022 FOR VALUE RECEIVED, the undersigned (the ?Borrower?), hereby promises to pay to WELLS FARGO BANK, NATIONAL ASSOCIATION or registered assigns (the ?Lender?), in accordance with the provisions of the Agreement (as hereinafter defined), the principal amount of each Loan from time to time made by the Lender to the Borrower under that certain Credit Agreement, dated as of

May 20, 2022 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 18, 2022 TREX COMPANY, INC.

May 20, 2022 EX-4.6

Note dated May 18, 2022 payable by the Company to TD Bank, N.A. in the amount of the lesser of $30,000,000 or the outstanding revolver advances made by TD Bank, N.A.

Exhibit 4.6 NOTE May 18, 2022 FOR VALUE RECEIVED, the undersigned (the ?Borrower?), hereby promises to pay to TD BANK, N.A. or registered assigns (the ?Lender?), in accordance with the provisions of the Agreement (as hereinafter defined), the principal amount of each Loan from time to time made by the Lender to the Borrower under that certain Credit Agreement, dated as of May 18, 2022 (as amended,

May 20, 2022 EX-4.4

Note dated May 18, 2022 payable by the Company to Regions Bank in the amount of the lesser of $40,000,000 or the outstanding revolver advances made by Regions Bank.

Exhibit 4.4 NOTE May 18, 2022 FOR VALUE RECEIVED, the undersigned (the ?Borrower?), hereby promises to pay to REGIONS BANK or registered assigns (the ?Lender?), in accordance with the provisions of the Agreement (as hereinafter defined), the principal amount of each Loan from time to time made by the Lender to the Borrower under that certain Credit Agreement, dated as of May 18, 2022 (as amended,

May 20, 2022 EX-4.1

Credit Agreement dated as of May 18, 2022 between the Company, as borrower; Trex Commercial Products, Inc., as guarantor, Bank of America, N.A., as a Lender, Administrative Agent, Swing Line Lender and L/C Issuer; Wells Fargo Bank, National Association, as lender and Syndication Agent, Regions Bank, PNC Bank, National Association, and TD Bank, N.A., arranged by BofA Securities, Inc. as Sole Lead Arranger and Sole Bookrunner.

Exhibit 4.1 Execution Version Published Deal CUSIP Number: 89531UAF1 Published Revolver CUSIP Number: 89531UAG9 CREDIT AGREEMENT Dated as of May 18, 2022 among TREX COMPANY, INC., as the Borrower, THE SUBSIDIARIES OF THE BORROWER IDENTIFIED HEREIN, as the Guarantors, BANK OF AMERICA, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer, WELLS FARGO BANK, NATIONAL ASSOCIATION, as Syndica

May 17, 2022 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

May 17, 2022 EX-99.2

Trex Company, Inc.

Exhibit 99.2 Trex Company, Inc. First Quarter 2022 Earnings Conference Call Monday, May 09, 2022, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Dennis Schemm - Senior Vice President, Chief Financial Officer Amy Fernandez - Vice President, General Counsel Viktoriia Nakhla - Investor Relations PRESENTATION Operator Good afternoon, and welcome to the Trex

May 9, 2022 EX-3.2

First Certificate of Amendment to the Restated Certificate of Incorporation of Trex Company, Inc. dated May 5, 2022

Exhibit 3.2 FIRST CERTIFICATE OF AMENDMENT TO THE RESTATED CERTIFICATE OF INCORPORATION OF TREX COMPANY, INC. Trex Company, Inc., a Delaware corporation (the ?Corporation?), does hereby certify: FIRST: That Article IV of the Certificate of Incorporation of the Corporation is hereby amended to read in its entirety as follows: ?The Corporation shall have the authority to issue a total of three hundr

May 9, 2022 EX-99.1

Trex Company Reports Record Results for First Quarter 2022

Exhibit 99.1 Trex Company Reports Record Results for First Quarter 2022 40% Residential Sales Growth Driven by Double-Digit Increases in Volume and Pricing Residential Gross Margin Expansion and Cost Efficiencies Generate Improved Operating Leverage Second Quarter Revenues Expected to Grow 22% Year-on-Year at the Midpoint Strong Double-digit Revenue Growth Expected for 2022 WINCHESTER, Va.-(BUSINE

May 9, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 9, 2022 TREX COMPANY, INC.

May 9, 2022 10-Q

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, 2022 OR ☐ TRANSITION REPORT PURSUANT

Table of Contents Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 22, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14

March 8, 2022 EX-99.2

1

Exhibit 99.2 Trex Company Fourth Quarter and Full Year 2021 Earnings Conference Call Monday, February 28, 2022, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks?President, Chief Executive Officer Dennis Schemm?Senior Vice President & Chief Financial Officer Amy Fernandez?Vice President, General Counsel Viktoriia Nakhla?Investor Relations PRESENTATION Operator Good afternoon, and welcome to t

March 8, 2022 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

March 2, 2022 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14

February 28, 2022 EX-10.3

Trex Company, Inc. Amended and Restated 1999 Incentive Plan for Outside Directors as amended on February 23, 2022.

Exhibit 10.3 TREX COMPANY, INC. AMENDED AND RESTATED 1999 INCENTIVE PLAN FOR OUTSIDE DIRECTORS TABLE OF CONTENTS Page 1. DEFINITIONS 1 2. PURPOSE 2 3. SHARES SUBJECT TO THE PLAN 2 4. ANNUAL DIRECTOR AND COMMITTEE FEES 2 4.1 Annual Director Fee 2 4.3 Election 3 4.4 Proration 3 5. GRANT DATE 4 6. ELECTION TO RECEIVE ADDITIONAL EQUITY 4 6.1 Election Form 4 6.2 Time for Filing Election Form 4 7. ADMIN

February 28, 2022 10-K

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, 2021 ☐ TRANSITION REPORT PURSUA

Table of Contents Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 28, 2022 EX-99.1

Trex Company Reports Robust Demand and Record Results for Fourth Quarter and Full Year 2021

Exhibit 99.1 Trex Company Reports Robust Demand and Record Results for Fourth Quarter and Full Year 2021 Record Full Year 2021 Net Sales of $1.2 Billion Major Capacity Expansion Programs Position Trex Residential for Continued Growth Solid Double-digit Revenue Growth with More Normalized Seasonality Expected in 2022 First Quarter 2022 Revenues Expected to be $320 million - $330 Million, up 32% Yea

February 28, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 28, 2022 TREX COMPANY, INC.

February 28, 2022 EX-21

Subsidiaries of the Company.

Exhibit 21 Subsidiaries of Trex Company, Inc. Name of the Subsidiary Jurisdiction of Formation Trex Commercial Products, Inc. Delaware

February 14, 2022 SC 13G

TREX / Trex Company Inc / ALLIANCEBERNSTEIN L.P. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Trex Co Inc (Name of Issuer) Common Stock (Title of Class of Securities) 89531P105 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

February 10, 2022 SC 13G/A

TREX / Trex Company Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)* Name of issuer: Trex Co. Inc. Title of Class of Securities: Common Stock CUSIP Number: 89531P105 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ??Rule

February 3, 2022 SC 13G/A

TREX / Trex Company Inc / BlackRock Inc. Passive Investment

us89531p1057020222.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 14) TREX COMPANY INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 89531P105 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

November 18, 2021 EX-99.2

Trex Company, Inc.

Exhibit 99.2 Trex Company, Inc. Third Quarter 2021 Earnings Conference Call Monday, November 08, 2021, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks?President, Chief Executive Officer Dennis Schemm?Senior Vice President, Chief Financial Officer Bill Gupp?Senior Vice President, General Counsel, Secretary Viktoriia Nakhla?Investor Relations PRESENTATION Operator Good afternoon, and welcome

November 18, 2021 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

November 8, 2021 EX-99.1

Trex Company Reports Strong Results in Third Quarter 2021

Exhibit 99.1 Trex Company Reports Strong Results in Third Quarter 2021 ? Robust Repair and Remodel Activity and Strong Demand for Trex Decking and Railing Products Drive 45% Revenue Growth ? ? Strong Net Income Bolstered by Strong Operating Leverage ? ? Announced Plans for Third Production Site to Address Long-Term Demand Trends and Pursue New Growth Opportunities ? ? Fourth Quarter Consolidated S

November 8, 2021 10-Q

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, 2021 OR ☐ TRANS

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, 2021 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: 001-1464

November 8, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 8, 2021 TREX COMPANY, INC.

October 26, 2021 EX-99.1

TREX COMPANY ANNOUNCES PLANS FOR THIRD U.S. PRODUCTION SITE Composite Decking and Railing Leader Selects Little Rock for Capacity Expansion

EXHIBIT 99.1 TREX COMPANY ANNOUNCES PLANS FOR THIRD U.S. PRODUCTION SITE Composite Decking and Railing Leader Selects Little Rock for Capacity Expansion WINCHESTER, Va., October 26, 2021 ? Trex Company [NYSE: TREX], the world?s #1 brand of wood-alternative decking and high-performance, low-maintenance, eco-friendly outdoor living products, and category leader for innovation and sales, has announce

October 26, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 26, 2021 TREX COMPANY, INC.

August 16, 2021 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

August 16, 2021 EX-99.2

Trex Company, Inc.

Exhibit 99.2 Trex Company, Inc. Second Quarter 2021 Earnings Conference Call Monday, August 02, 2021, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Dennis Schemm - Senior Vice President, Chief Financial Officer Bill Gupp - Senior Vice President, General Counsel and Secretary Viktoriia Nakhla - Investor Relations 1 PRESENTATION Operator Good afternoon,

August 2, 2021 8-K

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 2, 2021 TREX COMPANY, INC.

August 2, 2021 EX-99.1

Trex Company Reports Strong Results in Second Quarter

Exhibit 99.1 Trex Company Reports Strong Results in Second Quarter ? Residential Revenues Grew 43% Reflecting Continued Broad-Based Demand ? ? Additional Decking Lines to Further Boost Recently Expanded Capacity ? ? 40% Revenue Growth at Mid-point of Guidance Expected in Third Quarter 2021 ? Second Quarter 2021 Highlights - Consolidated net sales increased 41% to $312 million - Diluted earnings pe

August 2, 2021 EX-3.6

Restated Certificate of Incorporation of Trex Company, Inc. dated July 28, 2021.

Exhibit 3.6 RESTATED CERTIFICATE OF INCORPORATION OF TREX COMPANY, INC. Trex Company, Inc., a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows: 1. The name under which the corporation was originally incorporated is Trex Company, Inc., and the original Certificate of Incorporation of the corporation was filed with the Secretary of State of the

August 2, 2021 10-Q

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 June 30, 2021 OR ☐ TRANSITION REPORT PURSUANT T

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 June 30, 2021 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 Tre

May 17, 2021 EX-99.2

Trex Company

Exhibit 99.2 Trex Company First Quarter 2021 Earnings Conference Call Monday, May 10, 2021, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Dennis Schemm - Senior Vice President, Chief Financial Officer Bill Gupp - Senior Vice President, General Counsel, Secretary Viktoriia Nakhla - Investor Relations 1 PRESENTATION Operator Good afternoon and welcome to

May 17, 2021 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

May 10, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 10, 2021 TREX COMPANY, INC.

May 10, 2021 EX-99.1

Trex Company Reports First Quarter 2021 Results

Exhibit 99.1 Trex Company Reports First Quarter 2021 Results ? First Quarter Residential Revenue Growth of 25% ? ? Capacity Expansion to be Completed Ahead of Schedule ? ? 36% Revenue Growth Expected in 2Q 2021 at Midpoint of Guidance ? ? Reaffirms Full Year 2021 Incremental EBITDA Margin Guidance of 35% to 40% ? First Quarter 2021 Highlights - Consolidated net sales increased 23% to $246 million

May 10, 2021 10-Q

Quarterly Report - 10-Q

Table of Contents Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 28, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

March 23, 2021 DEF 14A

- DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14

March 22, 2021 EX-99.1

Trex Company Reports on Electrical Fire at Winchester, Va. Facility and Provides First Quarter Production and Capacity Expansion Update No Injuries Thanks to Safety Measures and Rapid Response Guiding First Quarter Revenue to the Low End of Range at

EX-99.1 Exhibit 99.1 Trex Company Reports on Electrical Fire at Winchester, Va. Facility and Provides First Quarter Production and Capacity Expansion Update No Injuries Thanks to Safety Measures and Rapid Response Guiding First Quarter Revenue to the Low End of Range at Approximately $235 Million Ramp-up of New Virginia Capacity Ahead of Schedule WINCHESTER, Va., March 22, 2021 —Trex Company, Inc.

March 22, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 13, 2021 TREX COMPANY, INC.

March 8, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 8, 2021 TREX COMPANY, INC.

March 3, 2021 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

March 3, 2021 EX-99.2

Trex Company

EX-99.2 2 d125307dex992.htm EX-99.2 Exhibit 99.2 Trex Company Fourth Quarter and Full Year 2020 Earnings Conference Call Monday, February 22, 2021, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Dennis Schemm - Senior Vice President, Chief Financial Officer Bill Gupp - Senior Vice President, General Counsel, Secretary Viktoriia Nakhla - Investor Relatio

February 22, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 22, 2021 TREX COMPANY, INC.

February 22, 2021 EX-4.19

Description of Securities registered pursuant to Section 12 of the Securities Exchange Act of 1934.

Exhibit 4.19 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Trex Company, Inc. has two classes of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?): (1) our Common Stock; (2) our Preferred Stock. Description of Common Stock The following description of our Common Stock is a summary and

February 22, 2021 EX-10.3

Trex Company, Inc. Amended and Restated 1999 Incentive Plan for Outside Directors.

Exhibit 10.3 TREX COMPANY, INC. AMENDED AND RESTATED 1999 INCENTIVE PLAN FOR OUTSIDE DIRECTORS TABLE OF CONTENTS Page 1. DEFINITIONS 1 2. PURPOSE 2 3. SHARES SUBJECT TO THE PLAN 2 4. ANNUAL DIRECTOR AND COMMITTEE FEES 2 4.1 Annual Director Fee 2 4.3 Election 3 4.4 Proration 3 5. GRANT DATE 4 6. ELECTION TO RECEIVE ADDITIONAL EQUITY 4 6.1 Election Form 4 6.2 Time for Filing Election Form 4 7. ADMIN

February 22, 2021 10-K

Annual Report - 10-K

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, 2020 ? 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

February 22, 2021 EX-99.1

Trex Company Reports Fourth Quarter and Full Year 2020 Results

Exhibit 99.1 Trex Company Reports Fourth Quarter and Full Year 2020 Results ─ 40% Residential Product Sales Growth in the Fourth Quarter ─ Record Cash from Operations of $187 Million in Full Year 2020 ─ Strong Double-Digit Sales Growth Expected for Full Year 2021 ─ First Quarter Sales Expected at $235 million to $245 million, Up 20% at the Midpoint Fourth Quarter 2020 Highlights - Consolidated net

February 22, 2021 EX-21

Subsidiaries of the Company. Filed herewith.

EX-21 4 d93959dex21.htm EX-21 Exhibit 21 Subsidiaries of Trex Company, Inc. Name of the Subsidiary Jurisdiction of Formation Trex Commercial Products, Inc. Delaware

February 11, 2021 SC 13G/A

CUSIP NO. 89531P105 13G Page 1 of 7

trex20a3.htm - Generated by SEC Publisher for SEC Filing CUSIP NO. 89531P105 13G Page 1 of 7 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Trex Company, Inc. (Name of Issuer) Common stock (Title of Class of Securities) 89531P105 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing o

February 11, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendme

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 1)* Trex Co Inc (Name of Issuer) Common Stock (Title of Class of Securities) 89531P105 (CUSIP Number) 12/31/2020 (Date of Event Which Requires

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)* Name of issuer: Trex Co. Inc. Title of Class of Securities: Common Stock CUSIP Number: 89531P105 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule

January 27, 2021 SC 13G/A

SC 13G/A

us89531p1057012621.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 13) TREX COMPANY INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 89531P105 - (CUSIP Number) December 31, 2020 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

November 9, 2020 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

November 9, 2020 EX-99.2

Trex Company, Inc.

EX-99.2 Exhibit 99.2 Trex Company, Inc. Q3 2020 Earnings Conference Call Monday, November 2, 2020, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks—President, Chief Executive Officer Dennis Schemm—Vice President, Chief Financial Officer Bill Gupp—Senior Vice President, General Counsel, Secretary Viktoriia Nakhla—Investor Relations 1 PRESENTATION Operator Good afternoon and welcome to the Tre

November 2, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - TREX COMPANY, INC. 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 2, 2020 TREX COMPANY, INC.

November 2, 2020 EX-10.4

Trex Company, Inc. Amended and Restated 2014 Stock Incentive Plan.

EX-10.4 Exhibit 10.4 TREX COMPANY, INC. AMENDED AND RESTATED 2014 STOCK INCENTIVE PLAN TABLE OF CONTENTS Page 1. PURPOSE 1 2. DEFINITIONS 1 3. ADMINISTRATION OF THE PLAN 3 3.1  Committee 3 3.2  Grants 3 3.3  No Liability 3 3.4  Applicability of Rule 16b-3 4 3.5  Termination of Employment or Other Relationship 4 4. STOCK SUBJECT TO THE PLAN 4 4.1  Aggregate Limitation 4 4.2  Application of Aggregat

November 2, 2020 EX-99.1

Trex Company Reports Third Quarter 2020 Results

Exhibit 99.1 Trex Company Reports Third Quarter 2020 Results —20% Residential Sales Growth Reflects Brand Leadership Amid Strong Secular Demand— —Fourth Quarter Consolidated Sales Expected at $210 Million - $220 Million, Up 30% Year-on-Year at the Mid-Point— —Strong Double-Digit Sales Growth Expected for Full Year 2021— —Company Reinstates Share Buyback Program— Third Quarter Highlights - Consolid

November 2, 2020 10-Q

Quarterly Report - 10-Q

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, 2020 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, In

August 10, 2020 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

August 10, 2020 EX-99.2

Trex Company Inc.

EX-99.2 Exhibit 99.2 Trex Company Inc. Q2 2020 Earnings Conference Call Monday, August 3, 2020, 5:00 PM Eastern CORPORATE PARTICIPANTS Bryan Fairbanks - President, Chief Executive Officer Dennis Schemm - Vice President, Chief Financial Officer Bill Gupp - Senior Vice President, General Counsel, Secretary Viktoriia Nakhla - Investor Relations 1 PRESENTATION Operator Good afternoon and welcome to th

August 3, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 3, 2020 TREX COMPANY, INC.

August 3, 2020 EX-99.1

Trex Company Reports Second Quarter 2020 Results

Exhibit 99.1 Trex Company Reports Second Quarter 2020 Results ― Continued Broad-Based Demand for Trex Residential Decking and Railing Products ― ― Substantial Operating Leverage Driven by Expanded Gross Margin and Lower SG&A ― ― Double-Digit Year-over-Year Sales Growth Expected for Third Quarter ― ― Company Announces 2-for-1 Stock Split Effective September 14, 2020 ― Second Quarter Highlights Cons

August 3, 2020 10-Q

Quarterly Report - 10-Q

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 June 30, 2020 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. (E

May 28, 2020 EX-4.1

First Amendment to the Credit Agreement by and among Trex Company, Inc. as borrower; Trex Commercial Products, Inc. as guarantor; Bank of America, N.A. as a Lender, Administrative Agent, Swing Line Lender and L/C Issuer; and certain other lenders including Wells Fargo Bank, N.A., who is also Syndication Agent; Truist Bank; and Regions Bank, arranged by BofA Securities, Inc. as Sole Lead Arranger and Sole Bookrunner dated May 26, 2020.

EX-4.1 EXHIBIT 4.1 FIRST AMENDMENT TO CREDIT AGREEMENT dated as of May 26, 2020 among TREX COMPANY, INC., as the Borrower, THE SUBSIDIARIES OF THE BORROWER IDENTIFIED HEREIN, as the Guarantors, BANK OF AMERICA, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer, WELLS FARGO BANK, NATIONAL ASSOCIATION, as Syndication Agent, and THE OTHER LENDERS PARTY HERETO Arranged By: BofA SECURITIE

May 28, 2020 EX-4.6

Note dated May 26, 2020 payable by the Company to Regions Bank.

EX-4.6 EXHIBIT 4.6 NOTE May 26, 2020 FOR VALUE RECEIVED, the undersigned (the “Borrower”), hereby promises to pay to REGIONS BANK or registered assigns (the “Lender”), in accordance with the provisions of the Agreement (as hereinafter defined), the principal amount of each Loan from time to time made by the Lender to the Borrower under that certain Fourth Amended and Restated Credit Agreement, dat

May 28, 2020 EX-4.2

Fourth Amended and Restated Credit Agreement between the Company, as borrower; Trex Commercial Products, Inc., as guarantor, Bank of America, N.A., as a Lender, Administrative Agent, Swing Line Lender and L/C Issuer; and certain other lenders including Wells Fargo Bank, N.A., who is also Syndication Agent, Truist Bank; and Regions Bank, arranged by BofA Securities, Inc. as Sole Lead Arranger and Sole Bookrunner, dated May 26, 2020.

EX-4.2 EXHIBIT 4.2 EXHIBIT A TO FIRST AMENDMENT TO CREDIT AGREEMENT Published Deal CUSIP Number: 89531UAC8 Published Revolver A CUSIP Number: 89531UAD6 Published Revolver B CUSIP Number: 89531UAE4 FOURTH AMENDED AND RESTATED CREDIT AGREEMENT (as amended by the First Amendment, dated as of May 26, 2020) Dated as of November 5, 2019 among TREX COMPANY, INC., as the Borrower, THE SUBSIDIARIES OF THE

May 28, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 26, 2020 TREX COMPANY, INC.

May 8, 2020 EX-99.2

2

EX-99.2 Exhibit 99.2 Trex Company, Inc. Q1 2020 Earnings Conference Call Monday, May 4, 2020, 5:00 PM Eastern CORPORATE PARTICIPANTS Jim Cline - Chairman Bryan Fairbanks - President, Chief Executive Officer Bill Gupp - Senior Vice President, General Counsel, Secretary Dennis Schemm - Vice President, Chief Financial Officer PRESENTATION Operator Good afternoon and welcome to the Trex Company First

May 8, 2020 8-K/A

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

May 4, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 4, 2020 TREX COMPANY, INC.

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