What changed in this filing

/stocks — the workspaceLOADING

Item 1. Business

2026-02-25 compared with 2025-02-24 · 85 added, 90 removed, 222 unchanged (44% of the section changed)

Trex Company, Inc.

(Trex), was incorporated as a Delaware corporation in 1998.

Through December 30, 2022, Trex had one wholly-owned subsidiary, Trex Commercial Products, Inc.

Together, Trex and Trex Commercial Products, Inc.

are referred to as the Company, we or our.

(Trex, Company, we, us or our), was incorporated as a Delaware corporation in 1998.

The Company is the world’s largest manufacturer of composite decking and railing products, which are marketed under the brand name Trex ® and manufactured in the United States.

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Our growth and margin expansion strategy positions us well to expand our leadership position in the category with beautiful, high performance, low-maintenance products and includes the following initiatives:

• Accelerate material conversion from wood.

• Expand our market by introducing new products that are innovative, eco-friendly and durable.

• Leverage brand leadership to drive customer demand.

• Increase the number of stocking dealers and retailers by leveraging our market-leading channel relationships.

• Drive margin expansion by continually improving our polyethylene recycling capabilities and manufacturing productivity.

• Execute strategic acquisitions that expand our product offerings and/or enrich our manufacturing process.

• Accelerate material conversion from wood and inferior wood alternative products

• Increase system attachment rates, particularly in railing

• Grow the decking category with sustainable, high-performance innovation

• Modernize our digital experience to improve customer demand conversion

• Invest in talent and organizational capability

• Leverage best in class service levels to increase distribution and retail footprint

• Pursue strategic value accretive acquisitions that expand our market by introducing new products that are innovative, eco-friendly, and durable

Operations and Products:

The Company operated in one reportable segment during the years ended December 31, 2024 and December 31, 2023:

Trex Residential.

The Company operated in two reportable segments during the year ended December 31, 2022:

Trex Residential Products (Trex Residential), the Company’s principal business based on net sales, and Trex Commercial Products (Trex Commercial).

On December 30, 2022, the Company sold substantially all of the assets of its wholly-owned subsidiary and reportable segment, Trex Commercial Products, Inc.

See related information in Note 3 to the Consolidated Financial Statements to this Form 10-K.

Trex Residential is the world’s largest manufacturer of high-performance, low-maintenance, eco-friendly wood-alternative composite decking and railing and a leader in outdoor living products, with more than 30 years of product experience.

The Company operates in one reportable segment.

Trex is the world’s largest manufacturer of high-performance, low-maintenance, eco-friendly wood-alternative composite decking and railing and a leader in outdoor living products, with more than 30 years of product experience.

Trex products are marketed under the brand name Trex ® and manufactured in the United States.

Stocked in more than 6,700 retail locations worldwide, Trex Residential offers a comprehensive set of aesthetically appealing and durable, low-maintenance product offerings in the decking, railing, fencing, cladding and outdoor lighting categories.

Stocked in more than 6,700 retail locations worldwide, Trex offers a comprehensive set of aesthetically appealing and durable, low-maintenance product offerings in the decking, railing, fencing, cladding and outdoor lighting categories.

A majority of the products are eco-friendly and leverage recycled and reclaimed materials to the extent possible.

Trex Residential decking is made in a proprietary process that combines reclaimed wood fibers and recycled polyethylene film, making Trex Residential one of the largest recyclers of waste polyethylene plastic film in North America.

Trex decking is made in a proprietary process that combines reclaimed wood fibers and recycled polyethylene film, making Trex one of the largest recyclers of waste polyethylene plastic film in North America.

Our composite deck boards do not rot, warp, or splinter and the versatile colors feature a refined wood grain that adds depth and luxury to any backyard.

Trex Residential products are sold to distributors and home centers for final resale primarily to the residential market.

Trex offers the following products through Trex Residential:

Trex products are sold to distributors and home centers for final resale primarily to the residential market.

Trex offers the following products:

Our principal decking products are Trex Signature ® , Trex Transcend ® Lineage , Trex Transcend ® , Trex Select ® , and Trex Enhance ® .

In addition, our Trex Transcend decking product can also be used as cladding.

Our high-performance, low-maintenance, eco-friendly composite decking products are comprised of a blend of 95 percent reclaimed wood fibers and recycled polyethylene film and feature a protective polymer shell for enhanced protection against fading, staining, mold, and scratching.

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Our Trex Transcend decking provides elevated aesthetics paired with the highest level of performance and is available in six multi-tonal monochromatic classical earth tones and premium tropical colors.

Trex Select decking offers the perfect pairing of price and minimal maintenance and is available in two nature-inspired earth tone colors.

Our Trex Enhance boards pair the beauty of authentic wood-grain appearance with the durability of composite with minimal maintenance and the affordability of wood and is available in natural and basic colors.

Trex Select decking offers the perfect pairing of price and minimal maintenance and is available in two nature-inspired earth tone colors and three subtly streaked on trend hues.

We also offer accessories to our decking products.

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Trex Select ® T-Rail, made from a minimum of 40 percent recycled materials, is available in square composite balusters in Classic White for a cohesive, coordinated look, or round aluminum balusters in Charcoal Black for a more modern contrast.

Trex Enhance railing is available in four composite colors, and an Enhance Steel line was recently introduced in Charcoal Black, to expand the Trex addressable market.

Trex Enhance composite railing is made from approximately 35 percent recycled materials and is available in four colors, and our Trex Enhance Steel line is available in Charcoal Black and expands the Trex addressable market.

Our Trex Seclusions ® composite fencing product is offered through two specialty distributors.

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The top and bottom rails of Trex fencing are designed to provide a “picture frame’ element and the deep rich colors have a matte surface to prevent harsh sunlight reflections.

Trex Residential products offer a number of significant aesthetic advantages over wood while eliminating many of wood’s major functional disadvantages, which include warping, splitting, and other damage from moisture.

In addition to resisting fading and

surface staining, Trex Residential products require no sanding, staining, or sealing, resist moisture damage, provide a splinter-free surface and do not require chemical treatment against rot or insect infestation.

Our cladding products are Trex Signature ® and Trex Transcend ® Lineage , and Trex Transcend ® .

Our high-performance, low-maintenance, eco-friendly composite cladding products are comprised of a blend of 95 percent reclaimed wood fibers and recycled polyethylene film and feature a protective polymer shell for enhanced protection against fading, staining, mold, and scratching.

Trex Signature cladding offers realistic woodgrain

aesthetics that raise the bar for beauty and performance and is available in hues inspired by stunning natural settings.

Trex Transcend Lineage cladding is available in six luxurious on trend hues.

Trex Transcend cladding is available in six multi-tonal monochromatic classical earth tones and premium tropical colors.

Trex products offer a number of significant aesthetic advantages over wood while eliminating many of wood’s major functional disadvantages, which include warping, splitting, and other damage from moisture.

In addition to resisting fading and surface staining, Trex products require no sanding, staining, or sealing, resist moisture damage, provide a splinter-free surface and do not require chemical treatment against rot or insect infestation.

Special characteristics (including resistance to splitting, the ability to bend, and ease and consistency of machining and finishing) facilitate installation, reduce contractor call-backs, and afford consumers a wide range of design options.

Combined, these aspects yield significant aesthetic advantages and lower maintenance than wood decking and railing and ultimately render Trex Residential products less costly than wood over the life of the deck.

Combined, these aspects yield significant aesthetic advantages and lower maintenance than wood decking and railing and ultimately render Trex products less costly than wood over the life of the deck.

We have received product building code listings from the major U.S.

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Trex ® Pergola

Pergolas made from low maintenance cellular PVC and all-aluminum product, manufactured by Home & Leisure, Inc.

Pergolas made from low maintenance aluminum reinforced cellular PVC, manufactured by Home & Leisure, Inc.

dba Structureworks Fabrication.

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Outdoor kitchen cabinetry manufactured and sold by Danver Outdoor Kitchens.

Trex Commercial designed and engineered custom railing solutions prevalent in professional and collegiate sports facilities, standardized architectural and aluminum railing systems targeted at commercial and high-rise applications, and custom staging systems for the performing arts, sports, and event production and rental market.

Trex Commercial marketed to architects, specifiers, contractors, and building owners.

Through the date of sale of Trex Commercial on December 30, 2022, Trex offered the following products through Trex Commercial:

• Architectural railing systems;

• Aluminum railing systems;

• Staging equipment and accessories.

Customers and Distribution

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In addition, we expect our Business Partners to understand and comply with the Trex Company Code of Conduct and Ethics, available at www.trex.com/our-company, to do business with Business Partners who share the same commitment to human rights that we have and as set forth in our Human Rights Policy, available at www.trex.com/our-company .

Trex Residential:

Wholesale Distributors/Retail Lumber Dealers .

We generate most of our sales for our composite decking and railing products through our wholesale distribution network by selling Trex Residential products to wholesale distributors, who in turn, sell our products to retail lumber outlets.

We generate most of our sales for our composite decking and railing products through our wholesale distribution network by selling Trex products to wholesale distributors, who in turn, sell our products to retail lumber outlets.

These retail dealers market to both homeowners and contractors, but they emphasize sales to professional contractors, remodelers, and homebuilders.

Contractor-installed decks generally are larger installations with professional craftsmanship.

Our retail dealers generally provide sales personnel trained in Trex Residential products, contractor training, inventory commitment, and point-of-sale display support.

Our retail dealers generally provide sales personnel trained in Trex products, contractor training, inventory commitment, and point-of-sale display support.

We believe that attracting wholesale distributors, who are committed to our products and marketing approach and can effectively sell higher value products to contractor-oriented lumber yards and other retail outlets, is important to our future growth.

Our distributors provide value-added service in marketing our products because they sell premium wood decking products and other innovative building materials that typically require product training and personal selling efforts.

We typically appoint two to three distributors within a specified area to sell only Trex Residential decking products on an exclusive basis.

We typically appoint two to three distributors within a specified area to sell only Trex decking products on an exclusive basis.

The distributor purchases our products at prices in effect at the time we ship the product to the distributor.

Home Depot and Lowe’s.

Home Centers.

We sell our products through Home Depot and Lowe’s stores.

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We believe that brand exposure through Home Depot and Lowe’s promotes consumer acceptance of our products.

For the years ended December 31, 2024, 2023, and 2022, three customers of Trex Residential represented approximately 81%, 72%, and 64%, respectively, of the Company’s total net sales.

For the years ended December 31, 2025, 2024, and 2023, three customers represented approximately 73%, 81%, and 72%, respectively, of the Company’s total net sales.

No other customer represented 10% or more of the Company’s total net sales.

Trex Commercial:

Prior to the sale of Trex Commercial on December 30, 2022, we sold modular and architectural railing and staging systems to the commercial and multifamily market, including sports stadiums and performing arts venues, primarily to facility owners and general contractors throughout the country.

We marketed these products through direct sales staff, independent sales representatives, and bidding on projects.

Manufacturing Process

Products manufactured at our Trex Residential manufacturing facilities in Virginia and Nevada are primarily manufactured from reclaimed wood fiber and scrap polyethylene.

Products manufactured at our facilities in Virginia and Nevada are primarily manufactured from reclaimed wood fiber and scrap polyethylene.

Our primary manufacturing process for the products involves mixing wood particles with plastic, heating and then extruding, or forcing, the highly viscous and abrasive material through a profile die.

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We have continuously invested the capital necessary to expand our manufacturing throughput and improve our manufacturing processes.

In October 2021, the Company announced plans to add a third manufacturing facility located in Little Rock, Arkansas (Little Rock).

that w ill sit on approximately 300 acres of land.

In October 2021, the Company announced plans to add a third manufacturing facility located in Little Rock, Arkansas (Little Rock), that w ill sit on approximately 300 acres of land.

Construction began on the new facility in 2022.

The development approach for the new campus will be modular and calibrated to demand trends for Trex Outdoor Living Products.

The development approach for the new campus has been modular and calibrated to demand trends for Trex Outdoor Living Products.

During 2025, scrap polyethylene processing began at this facility.

Decking production at this facility is expected to begin in 2027.

In addition, we prioritize cost reduction projects and continuous improvement opportunities, primarily related to automation, modernization, energy efficiency, and raw material processing, and remain focused on innovation and new product development.

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In addition, we outsource the production of certain products to third-party manufacturers.

Trex University is our state-of-the-art training facility located near our Virginia manufacturing plant designed to educate and train retailers, contractors and other partners on the benefits of Trex Residential aesthetically pleasing, high-performance, low-maintenance, eco-friendly outdoor living products.

In addition, Trex Academy is an online multimedia content hub dedicated to helping the Trex Residential Do-It-Yourself customer bring their deck dreams to life by providing how-to content.

Our primary competition for our composite decking and residential railing products consists of wood products, which constitute a substantial majority of decking and railing sales, as measured by linear feet of lumber.

Trex University is our state-of-the-art training facility located near our Virginia manufacturing plant designed to educate and train retailers, contractors and other partners on the benefits of Trex aesthetically pleasing, high-performance, low-maintenance, eco-friendly outdoor living products.

In addition, Trex Academy is an online multimedia content hub dedicated to helping the Trex Do-It-Yourself customer bring their deck dreams to life by providing how-to content.

Our primary competition for our composite decking and railing products consists of wood products, which constitute a substantial majority of decking and railing sales, as measured by linear feet of lumber.

Many of the conventional lumber suppliers with which we compete have established ties to the building and construction industry and have well-accepted products.

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The same porosity makes southern yellow pine susceptible to absorbing moisture, which causes the lumber to warp, crack, splinter and expel fasteners.

In addition to pine and fir, other segments of wood material for decking include redwood, cedar and tropical hardwoods, such as ipe, teak and mahogany.

These products are often significantly more expensive than pressure-treated lumber, but do not eliminate some of the disadvantages of other wood products.

In addition to pine and fir, other wood materials used for decking include redwood, cedar, and tropical hardwoods such as ipe, teak, and mahogany.

While these products are often significantly more expensive than pressure-treated lumber, they do not eliminate key disadvantages associated with wood, including susceptibility to weathering, fading, biological deterioration, insect damage, splinters, and the need for ongoing maintenance such as sanding, staining, and sealing.

In addition to wood, we also compete with other manufacturers of wood-alternative products.

Industry studies indicate that we have the leading market share of the wood-alternative segment of the decking and railing market.

Our principal competitors include The Azek Company Inc., and Fiberon (a division of Fortune Brands, Inc.).

Our principal competitors include Azek (a division of James Hardie Industries PLC), Deckorators (a division of UFP Industries, Inc.), and Fiberon (a division of Fortune Brands, Inc.).

Our ability to compete depends, in part, on a number of factors outside our control, including the ability of our competitors to develop new wood-alternative decking and railing products that are competitive with our products.

We believe that the principal competitive factors in the decking and railing market include product quality, price, aesthetics, maintenance cost, distribution and brand strength.

We believe that the principal competitive factors in the decking and railing market include product quality, price, aesthetics, maintenance cost, distribution, brand strength, and warranties.

We believe we compete favorably with respect to these factors.

We believe that our products offer aesthetic and cost advantages over the life of a deck when compared to other types of decking and railing materials.

Although a contractor-installed deck built with Trex products using a pressure-treated wood substructure generally costs more than a deck made entirely from

pressure-treated wood, Trex products are low maintenance compared to the on-going maintenance required for a pressure-treated deck and are therefore, less costly over the life of the deck.

Although a contractor-installed deck built with Trex products using a pressure-treated wood substructure generally costs more than a deck made entirely from pressure-treated wood, Trex products are low maintenance compared to the on-going maintenance required for a pressure-treated deck and are therefore, less costly over the life of the deck.

We believe that our manufacturing process and utilization of relatively low-cost raw material sources provide us with a competitive cost advantage relative to other manufacturers of wood-alternative decking and railing products.

The scale of our operations also confers cost efficiencies in manufacturing, sales and marketing.

Our operating results for Trex Residential have historically varied from quarter to quarter.

Our operating results have historically varied from quarter to quarter.

Seasonal, erratic or prolonged adverse weather conditions may reduce the level of home improvement and construction activity and can shift demand for our products to a later period.

As part of its normal business practice and consistent with industry practice, Trex Residential Products has historically offered incentive programs to its distributors and dealers to build inventory levels before the start of the prime deck-building season in order to ensure adequate availability of its product to meet anticipated seasonal consumer demand.

As part of its normal business practice and consistent with industry practice, Trex has historically offered incentive programs to its distributors and dealers to build inventory levels before the start of the prime deck-building season in order to ensure adequate availability of its product to meet anticipated seasonal consumer demand.

The seasonal effects are often offset by the positive effect of the incentive programs.

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As we look to the future, Trex is poised for growth and innovation and that growth is dependent upon our people’s talent and commitment.

We continue to invest in our people as we execute on our strategic talent management plan which aims to support our employees in gaining the competencies needed to advance and enjoy long-lasting careers at Trex.

Pay Equity As an equal opportunity employer, Trex is committed to providing fair and equitable pay for all employees across the Company.

We have a strong track record as an industry leader in terms of hourly wages, salary and total compensation.

We use a compensation grade structure as part of our process to determine the appropriate grade level for each position at Trex.

As a result, we set the pay range for each position before considering who we might hire to fill that role.

In addition, we regularly review our compensation structures for signs of emerging inequities along gender or ethnicity lines as well as market competitiveness.

Our employees are not covered by collective bargaining agreements, and we believe that our relationships with our employees are favorable.

Our Human Rights Policy sets forth our values related to working conditions and human rights, and it underscores our philosophy about the way we conduct our business.

The policy is available at www.trex.com/our-company.

to invest in our people as we execute on our strategic talent management plan which aims to support our employees in gaining the competencies needed to advance and enjoy long-lasting careers at Trex.

Pay Equity As an equal opportunity employer, Trex believes in compensating our people fairly and without discrimination — regardless of gender, race, or any protected characteristic.

Our strong reputation as an industry leader is built on consistently offering competitive hourly wages, salaries, and total compensation packages.

To ensure pay parity for similar roles, we use a structured compensation-grade system that defines objective pay ranges before we evaluate any candidate.

For some roles, we supplement this approach with targeted market studies to confirm our compensation remains competitive, aligned with market benchmarks, and internally equitable.

We review total rewards regularly to support our efforts to attract and retain top talent.

Each period, we benchmark our pay ranges against industry standards and update our compensation structure to remain market competitive.

Annually, we benchmark hourly wages in our local markets, participate in industry salary surveys, and analyze relevant results to keep our hourly pay competitive.

We also undertake regular pay-equivalence analyses to detect any unintended gaps.

These analyses focus primarily on our salaried staff because our hourly wages are standardized by role.

In 2025, we refined our pay-mix philosophy to provide managers with more flexibility — enabling the creation of total compensation packages tailored to meet employee needs, while remaining fair and equitable.

Our commitment to fair pay and humane working conditions is also enshrined in our broader Human Rights Policy — which underscores how we conduct business and treat our people.

The policy is publicly available at (www.trex.com/our-company).

Development and Recruiting Developing internal talent is another key multi-year infrastructure investment for Trex.

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Trex’s tuition reimbursement policy assists team members in achieving their full potential by furthering their education, affording them opportunities to grow their skills set and favorably impact the business.

Safety remains a core value at Trex and in 2024 hourly manufacturing onboarding was enhanced to include more time for new team members to learn the process and incorporate additional safety best practices.

While significant investments have been made in internal development, wide-net recruiting outside talent continues to infuse the Company with new and diverse perspectives.

Safety remains a core value at Trex and in 2024 hourly manufacturing onboarding was modified to include more time for new team members to learn the process and incorporate additional safety best practices which has resulted in improved safety and retention outcomes.

While significant investments have been made in internal development, recruiting outside talent continues to infuse the Company with new and diverse perspectives.

Our summer intern program continues to grow and welcomes students from both universities and vocational schools across the mid-Atlantic.

This program along with an aggressive campus recruitment has created a pipeline of young talent, while at the same time we continue to attract some of the most talented senior leaders from around the country to fill key leadership positions.

This program along with campus recruitment has created a pipeline of young talent, while we also continue to attract some of the most talented senior leaders from around the country to fill key leadership positions.

Engagement and Culture We continue to invest in employee engagement and related action planning by conducting Gallup surveys.

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This multi-year roll out of culture training targets all Trex team members to create shared understanding and expectations.

Additionally, we conducted our first Spanish language cultural training for our Spanish speaking employees.

Trex is committed to building a workforce that is reflective of the communities in which we operate.

Embracing diverse perspectives and fostering a culture of inclusion and belonging are at the core of what has fueled Trex’s legacy of innovation.

We continue to find new ways to increase opportunities for underrepresented team members, including offering English language classes for non-native speakers and partnering with local agencies to provide employment opportunities to neuro-diverse candidates.

We continue to find new ways to increase opportunities for underrepresented team members, including partnering with local agencies to provide employment opportunities to neuro-diverse candidates.

At Trex, our people fuel our growth and innovation.

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The Company has been committed to sustainability since our inception more than 30 years ago, creating eco-friendly products from reclaimed and recycled materials.

Trex Residential’s high-performance, low-maintenance composite decking is made from 95% recycled and reclaimed materials.

Trex’s high-performance, low-maintenance composite decking is made from 95% recycled and reclaimed materials.

The Company’s commitment to improving our environmental footprint includes developing and offering more sustainable products to the market as well as advancing sustainability and efficiency in our operations.

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Also, environmental matters relevant to the Company’s operations are the responsibility of the President and Chief Executive Officer, the Executive Vice President and Chief Operating Officer, and the Senior Vice President and Chief Financial Officer.

Trex Residential’s bi-coastal factories reduce fuel consumption and CO 2 emissions by reducing transit distance.

Trex’s manufacturing facilities on the east coast, west coast, and in the central United States reduce fuel consumption and CO 2 emissions by reducing transit distance.

We strive to reduce energy use and associated greenhouse gas emissions in Trex manufacturing operations by designing our facilities to run efficiently.

In addition, almost 100 percent of our factory runoff and refuse are recycled back into the manufacturing line.

In addition, nearly all our factory scrap is recycled back into the manufacturing line.

Any product that does not meet quality specifications is reprocessed, which eliminates the need for landfill for product waste.

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Trex was named to the Barron’s “100 Most Sustainable Companies” list for 2025.

Trex Transcend ® Lineage won Good Housekeeping’ s 2024 Sustainable Innovation Award.

Trex earned top honors in the Environment + Energy Leader Awards as top product of the year and judge's choice winner.

In addition, Trex was also recognized as Sustainable Brand Leader in the decking category of Green Builder’s annual Reader’s Choice Survey for the 15th consecutive year.

Trex was ranked by Newsweek magazine as one of America’s Most Responsible Companies 2024.

Trex environmental benefits are recognized by the receipt of the Leadership in Energy and Environmental Design (LEED) certification by the United States Green Building Council.

Trex Residential decking products meet LEED requirements for builders and our commercial products have contributed to the LEED certifications of some high-profile venues.

Trex decking products meet LEED requirements for builders and our commercial products have contributed to the LEED certifications of some high-profile venues.

LEED is a point-based system designed to reward points to building projects that incorporate efficient, and safe eco-friendly products, leading to a building’s designation as LEED Silver, Gold or Platinum.

Trex Residential decking can add up to four points to a project — four points in the Materials and Resources category for being composed of 95% recycled and reclaimed materials.

Trex decking can add up to four points to a project in the Materials and Resources category for being composed of 95% recycled and reclaimed materials.

Green Building Council member, Trex works along with council members to transform the way buildings and communities are designed, built and operated with the goal of creating environmentally and socially responsible spaces that improve the quality of life.

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The health and safety of our employees is our highest priority.

We have a strong Environmental, Health and Safety program that focuses on developing and implementing policies and effective safety training programs, as well as performing internal safety assessments to ensure a company-wide culture of safety and accountability.

We have a strong Environmental, Health and Safety (EHS) program that focuses on developing and implementing policies and effective safety training programs, as well as performing internal safety assessments to ensure a company-wide culture of safety and accountability.

Every member of the Trex community plays a vital role in maintaining a safe work environment.

Our Chief Executive Officer and Board of Directors are responsible for ensuring compliance with applicable laws and the Company’s own standards and practices.

At Trex, our Occupational Health and Safety Policy lays out the key principles that guide our approach and sets clear expectations for every department across the company.

The Trex Occupational Health and Safety Policy, located on our website at www.trex.com/our-company, sets forth our commitment to sustaining a compliant and safety-conscious work environment, keeping safety at the forefront of our business, and is based on:

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• Tracking company and site level safety performance metrics including common lagging indicators, such as injury rates, but also leading indicators such as safety observations, near-misses, and proactive actions taken at the sites to ensure worker safety.

Each of our manufacturing sites have dedicated health and safety (EHS) professionals and safety committees.

In 2024, several changes to the EHS organization were made to better support the business and align resources.

These changes include the addition of an EHS Specialist to our distribution and transportation department, and a Corporate Health and Safety Manager to focus on advancing our health and safety programs.

This position is a counterpart to our Corporate Environmental Manager role which has been in place for several years.

Each of our manufacturing sites have dedicated health and safety professionals (EHS professionals) and safety committees.

All EHS professionals are required to complete continuing education courses to build internal expertise and capacity.

In 2024, Trex launched numerous health and safety initiatives such as FAST Response, Safety Steering Committee, Rules to Live By, and the inaugural Safety Pulse Survey.

FAST response is a weekly meeting of frontline leaders and support personnel focused on identifying and correcting safety non-compliance on the production floor to prevent incidents from occurring.

The Safety Steering Committee’s charter is to create a forum for managers and leaders from all functional areas to discuss health and safety.

This includes reviewing incidents and corrective actions from across the organization, sharing information related to safety improvements, and providing transparency to health and safety performance monthly.

Rules to Live By outline expectations of employee compliance with safety rules related to high-risk activities such as powered industrial trucks, lockout/tagout and control of hazardous energy, confined spaces, machine guarding, working at height and hoisting and rigging.

Our Safety Steering Committee continues to grow and add organizational alignment.

The Safety Steering Committee’s charter creates a forum for managers and leaders from all functional areas to discuss health and safety.

This includes reviewing incidents and corrective actions from across the organization, sharing information related to safety improvements, and providing transparency related to health and safety performance monthly.

Our Rules to Live By campaign has become the foundation of our safety focus and outlines expectations of employee compliance with safety rules related to high-risk activities such as powered industrial trucks, lockout/tagout, and control of hazardous energy, confined spaces, machine guarding, working at height, and hoisting and rigging.

In 2025, Trex improved and re-launched numerous health and safety initiatives including FASTT.

FASTT is a common safety-observation and risk assessment acronym that stands for:

F - Find the task, A- Analyze the hazards, S - Select controls, T- Take action, and T -Tell others/track results.

Our FASTT response program is a weekly meeting of frontline leaders and support personnel focused on identifying and correcting safety non-compliance on the production floor to prevent incidents from occurring.

We have also revitalized our safety observation card program to increase engagement with employees on the floor and give them a tool to create ownership of their personal health and safety as well as the health and safety of the people they work with.

Websites and Additional Information

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Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.

What changed 10-K

Item 1. Business