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SUPPLEMENT
2025 SUSTAINABILITY REPORT
INTRODUCTION
PRODUCTS
ENVIRONMENT
PEOPLE
LEADERSHIP
ONE COLOR
SDG INDICATOR
RELEVANT TARGETS
TREX CONTRIBUTION
Representative Leadership: Women hold four of 10 Board seats, representing 40% of Trex’s Board of Directors. 1 Advancing Women in Management: Women represent 25% of Trex’s overall workforce and continue to advance across leadership roles supported by structured compensation grading and standardized hiring practices.
5.5 Ensure women’s full and effective participation and equal opportunities for leadership at all levels of decision making in political, economic and public life
Achieve gender equality and empower all women and girls
Water Recycling Impact: Trex recycled approximately 17 billion gallons of process water across manufacturing operations in 2025. Efficient Water Use: Approximately 99% of process water at our Virginia and Nevada facilities is recycled through our closed-loop recirculation system. Water Compliance: Trex recorded zero water-related environmental violations resulting in fines in 2025.
6.3 By 2030, improve water quality by reducing pollution, eliminating dumping and minimizing release of hazardous chemicals and materials, halving the proportion of untreated wastewater and substantially increasing recycling and safe reuse globally 6.4 By 2030, substantially increase water use efficiency across all sectors and ensure sustainable withdrawals and supply of freshwater to address water scarcity and substantially reduce the number of people suffering from water scarcity
Ensure availability and sustainable
management of water and sanitation for all
E
7.3 By 2030, double the global rate of improvement in energy efficiency
Energy Efficiency Initiatives: In 2025, energy efficiency improvements at our Little Rock facility delivered more than 8,700 MWh in annual energy savings through improvements to pumps, chillers and cooling systems. Renewable Energy Use: Solar-generated electricity at Trex headquarters totaled 92 MWh in 2025. Waste-to-Energy Diversion: Trex diverted 1,579 tons of purge material to a waste-to-energy partner, generating approximately 821 MWh of electricity. Sourcing: In 2025, Trex sourced 961 million pounds of recycled PE film and reclaimed wood for use in our products. Circular Materials Leadership: Trex composite decking products are manufactured using approximately 95% recycled and reclaimed materials. Since our founding, we have upcycled more than 6.4 billion pounds of waste plastic film. Landfill Diversion: Trex diverted 60% of purge waste from landfill in 2025 and continues progress toward its goal of 100% diversion by 2027.
Ensure access to affordable, reliable,
sustainable and modern energy for all
8.4 Improve progressively, through 2030, global resource efficiency in consumption and production and endeavor to decouple economic growth from environmental degradation, in accordance with the 10-Year Framework of Programmes on Sustainable Consumption and Production, with developed countries taking the lead 8.5 By 2030, achieve full and productive employment and decent work for all women and men, including young people and persons with disabilities, and equal pay for work of equal value 8.8 Protect labor rights and promote safe and secure working environments for all workers, including migrant workers, in particular women migrants, and those in precarious employment
Promote sustainable and inclusive economic growth, full and productive employment, and decent work for all
Employee Development: Trex employees completed 52,249 hours of training in 2025, supporting career growth and skill advancement. Compensation Governance: Trex maintains a structured compensation grade system, conducts pay equivalency analyses and includes compensation ranges in job postings to promote transparency and pay equity.
Comprehensive Safety Training: All eligible employees complete required safety training, with sessions offered in both English and Spanish to ensure understanding across our workforce. Safety Performance Improvement: In 2025, Trex reduced its TRIR to 2.16 and its LTIR to 0.69, reflecting continued focus on safe and secure working environments. Leadership Training in EH&S: Additional leadership development was provided for EH&S supervisors and managers to strengthen proactive risk management.
1 From January 1, 2025, through October 31, 2025, there were four female directors; the total was three for part of Q4 2025. A female director was appointed in February 2026.
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