Trex 2025 Sustainability Report

2025 SUSTAINABILITY REPORT

INTRODUCTION

PRODUCTS

ENVIRONMENT

PEOPLE

LEADERSHIP

SUPPLEMENT

20

ONE COLOR SPRUCE

ONE COLOR BLACK

ONE COLOR

Minimizing Water Use and Mitigating Runoff

We are researching additional options to increase the share of purge directed to more sustainable outcomes and away from landfill, with a goal of diverting 100% of this material annually by 2027.

to the supplier for re-use in 100% recycled packaging material. We also eliminated sub-bundling on pallets and reduced cardstock dimensions for select Trex products. Together, these improvements reduced our overall packaging material usage by more than 600,000 pounds in 2025.

We proactively reduce water consumption in our manufacturing processes by employing a closed-loop recirculation system at our Virginia and Nevada sites. In 2025, we successfully implemented this technology at our new facility in Arkansas. This system initially draws from municipal water sources, moving through the system for multiple cycles and undergoing filtration processes for cleaning. This setup allows for the continuous re-use of water with minimal loss. Additionally, we control the runoff of phosphorous, nitrogen and particulates from our sites through stormwater collection and filtration systems. In 2025, we used 246 million gallons of water, a decrease of 7% compared to 2024. This change is due to production changes from the prior year.

Hazardous Waste Disposal

Water Use and Recycling

We dispose of all hazardous waste safely and in compliance with regulations. We sort and send universal waste, a subset of hazardous waste, to off-site recycling facilities. In 2025, we recycled all but roughly 200 pounds of hazardous waste.

We work to be responsible stewards of freshwater resources by reducing the water we use and carefully managing the quality of runoff at our sites. We meet or exceed all applicable regulatory requirements in the communities in which we operate. Trex does not have any operating locations in areas classified as high or extremely high water-stress risk under the World Resources Institute Aqueduct tools .

LOGO USAGE

Reducing and Reusing Product Packaging

We continually work to reduce the environmental footprint of Trex packaging, including identifying opportunities to recycle the used packaging materials that arrive at our warehouses. In 2025, we worked with one of our corrugated cardboard suppliers to return more than 750,000 pounds of corrugate

Water Use (Millions of Gallons)

~99% Process water recycled annually by closed-loop recirculation systems at our Virginia, Arkansas and Nevada manufacturing facilities

2025

2023

2024

246

Water from public supply

238

265

16,692

Process water recycled

16,909

18,760

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