Notice of First Quarter Results Conference Call

Company Overview - West Fraser Timber Co. Ltd. is a diversified wood products company with over 50 facilities across Canada, the United States, the United Kingdom, and Europe [3] - The company promotes sustainable forest practices and produces a variety of products including lumber, engineered wood products (OSB, LVL, MDF, plywood, and particleboard), pulp, newsprint, wood chips, and other residuals [3] - West Fraser's products are utilized in home construction, repair and remodeling, industrial applications, and for producing papers, tissue, and box materials [3] Upcoming Financial Results - West Fraser will hold an analysts' conference call to discuss its first quarter 2025 financial and operating results on April 23, 2025, at 7:00 a.m. Pacific Time / 10:00 a.m. Eastern Time [1] - The financial and operating results will be released on April 22, 2025, prior to the conference call [2] - The call will be chaired by Mr. Sean McLaren, President and Chief Executive Officer, and will include a Q&A session for analysts after the management's discussion [2]