Mr. David Galison reports

STELLA-JONES WILL HOLD A CONFERENCE CALL TO DISCUSS ITS THIRD QUARTER RESULTS

Stella-Jones Inc. will hold a conference call to discuss its third quarter results.

Open to:  investors, analysts and all interested parties

Date:  Wednesday, Nov. 5, 2025

Time:  10 a.m. Eastern Standard Time

A live webcast will be available.

Call:  1-800-990-2777

The press release will be published before market opens the day of the conference call through GlobeNewswire.

Please log on or dial in 15 minutes before the conference begins.

If you are unable to attend at this time, you may access a Web recording of the meeting. This recording will be available on Wednesday, Nov. 5, 2025. as of 1 p.m. EST until 11:59 p.m. EST on Wednesday, Nov. 12, 2025.

Media wishing to quote an analyst should contact the analyst personally for permission.

About Stella-Jones Inc.

Stella-Jones is a leading North American manufacturer of products focused on supporting infrastructure that is essential to the delivery of electrical distribution and transmission, and the operation and maintenance of railway transportation systems. It supplies the continent's major electrical utility companies with treated wood and steel utility poles and steel lattice towers, as well as North America's Class 1, short line and commercial railway operators with treated wood railway ties and timbers. It also supports infrastructure with industrial products, namely timbers for railway bridges, crossings and construction, marine and foundation pilings, and coal tar-based products. Additionally, the company manufactures and distributes premium treated residential lumber and accessories to Canadian and American retailers for outdoor applications, with a significant portion of the business devoted to servicing Canadian customers through its national manufacturing and distribution network.