Mr. Ali Mahdavi reports

DOMAN BUILDING MATERIALS GROUP LTD. TO ISSUE THIRD QUARTER 2025 FINANCIAL RESULTS NOVEMBER 6, 2025

Doman Building Materials Group Ltd. will release its third quarter 2025 financial results for the period ended Sept. 30, 2025, after market hours on Thursday, Nov. 6, 2025.

The company will host an analyst call on Friday, Nov. 7, 2025, at 11 a.m. ET. Amar Doman, chairman of the board and chief executive officer, and James Code, chief financial officer, will discuss the company's financial performance for the period ended Sept. 30, 2025.

To access the call, please dial 1-877-407-3982 or 1-201-493-6780. To join the conference call without operator assistance, you may register and enter your phone number on-line to receive an instant automated callback. A replay of the conference call will be available from 3 p.m. ET, Nov. 7, 2025, until 11:59 p.m. ET, Nov. 21, 2025. To access the replay, dial 1-844-512-2921 or 1-412-317-6671, followed by passcode 13756387.

About Doman Building Materials Group Ltd.

Founded in 1989, Doman is headquartered in Vancouver, B.C., and trades on the Toronto Stock Exchange under the symbol DBM.

As Canada's only fully integrated national distributor in the building materials and related products sector, Doman operates several distinct divisions with multiple treating plants, planing and specialty facilities, and distribution centres coast-to-coast in all major cities across Canada and coast-to-coast across the United States.

Strategically located across Canada, Doman Building Materials Canada operates distribution centres coast-to-coast and Doman Treated Wood Canada operates multiple treating plants near major cities. In the United States: headquartered in Dallas, Tex., Doman Lumber operates 21 treating plants, two specialty planing mills and five specialty sawmills located in nine states, distributing, producing and treating lumber, fencing and building material servicing the central U.S.; Doman Tucker Lumber operates three treating plants, specialty sawmilling operations and a captive trucking fleet serving the U.S. East Coast; Doman Building Materials USA and Doman Treated Wood USA serve the U.S. West Coast with multiple locations in California and Oregon; and in the state of Hawaii, the Honsador Building Products Group services 15 locations across all the islands.