Mr. Adam Borgatti reports

AECON SCHEDULES SECOND QUARTER 2023 FINANCIAL RESULTS RELEASE AND CONFERENCE CALL

Aecon Group Inc. intends to release its second quarter 2023 financial results on Wednesday, July 26, 2023, after market close and has scheduled a conference call and live webcast for 9 a.m. ET on Thursday, July 27, 2023.

Jean-Louis Servranckx, President and Chief Executive Officer, and David Smales, Executive Vice President and Chief Financial Officer, will host the conference call.

Participants should dial 1-833-470-1428 or 1-404-975-4839 at least 10 minutes prior to the conference time. The conference ID is 516159. An accompanying presentation of the second quarter 2023 financial results will be available after market close on July 26, 2023 at www.aecon.com/investing.

A live webcast of the conference call will also be available at www.aecon.com/InvestorCalendar. Participants should join the webcast at least 15 minutes prior to the conference time to register and install any necessary software.

For those unable to attend the call, a replay will be available after 2 p.m. on July 27, 2023 at 1-866-813-9403 or 1-929-458-6194, or online until midnight on August 24, 2023. The access code is 517090 . A replay of the webcast will also be available within 24 hours following the call.

About Aecon

Aecon Group Inc. (TSX: ARE) is a national Canadian construction and infrastructure development company with global experience and is proud to be recognized as one of the Best 50 Corporate Citizens in Canada. 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 and management services through its Concessions segment. Join our online community on Twitter, LinkedIn, Facebook and Instagram @AeconGroupInc.