Reminder - Stella-Jones’ First Quarter Results Conference Call and Annual Meeting of Shareholders

Group 1 - Stella-Jones Inc. will hold a conference call on May 7, 2025, at 8:00 AM Eastern Daylight Time to discuss its first quarter results [1] - The annual meeting of shareholders will also take place on May 7, 2025, at 11:00 AM Eastern Daylight Time, both in-person and virtually [2] - Registered shareholders and duly appointed proxyholders will have the opportunity to participate, ask questions, and vote during the meeting [4] Group 2 - Stella-Jones Inc. is a leading North American manufacturer focused on infrastructure products essential for electrical distribution and railway transportation systems [6] - The company supplies treated wood utility poles to major electrical utilities and treated wood railway ties to Class 1, short line, and commercial railroad operators [6] - Stella-Jones also manufactures and distributes premium treated residential lumber and accessories for outdoor applications [7]