Mr. Adam Borgatti reports

AECON SCHEDULES FOURTH QUARTER AND YEAR-END 2025 FINANCIAL RESULTS RELEASE AND CONFERENCE CALL

Aecon Group Inc. intends to release its fourth quarter and year-end 2025 financial results on Thursday, March 5, 2026, after the market close, and has scheduled a live webcast and conference call for 9 a.m. Eastern Time on Friday, March 6, 2026.

A live webcast of the conference call will be available on the company's website. Participants can also dial in to the conference call and preregister on-line. After registering, an e-mail will be sent, including dial-in details and a unique access code required to join the live call. Please ensure you have registered at least 15 minutes prior to the conference call time.

An accompanying presentation of the fourth quarter and year-end 2025 financial results will also be available after the market close on March 5, 2026, at the company's website. For those unable to attend, a replay will be available within one hour following the live webcast and conference call.

About Aecon Group Inc.

Aecon is a North American construction and infrastructure development company with global experience. Aecon delivers integrated solutions to private- and public-sector clients through its construction segment in the civil, urban transportation, nuclear, utility and industrial sectors, and provides project development, financing, investment, management, and operations and maintenance services through its concessions segment.