VANCOUVER, BC – Today, West Fraser Timber Co. Ltd. released its 2025 Sustainability Report. The report highlights the Company’s sustainability performance across a variety of environmental, social and governance goals and disclosed targets. “Our 2025 Sustainability Report, Building Foundations for the Future, reflects our commitment to transparency and responsible operations, highlighting the progress we are making while identifying priority areas for further action to enhance our ability to succeed in a rapidly changing world,” said Sean McLaren, President and CEO. “As we look ahead, we will continue embedding sustainability into every part of our company — improving performance, reducing risk and creating value for everyone who depends on West Fraser.” 2025 key achievements highlighted in the report include:

• Telling the Complete Carbon Story
• Delivering on Our Climate Targets and Decarbonizing Operations
• Highlighting Biodiversity
• Partnering with Indigenous Nations
• Supporting Our People and Earning Recognition as a Top Employer