Ms. Jess Nieukerk reports

STANTEC TO RELEASE THIRD QUARTER 2023 RESULTS ON NOVEMBER 9, 2023 AND HOST CONFERENCE CALL ON NOVEMBER 10, 2023

Stantec Inc. will release its third quarter 2023 financial results after markets close on Thursday, Nov. 9, 2023. On Friday, Nov. 10, 2023, at 7 a.m. Mountain Time (9 a.m. Eastern Time), Gord Johnston, president and chief executive officer, and Theresa Jang, executive vice-president and chief financial officer, will hold a webcast and conference call to discuss the company's performance.

Q3 2023 webcast and conference call -- Friday, Nov. 10, 2023, at 7 a.m. Mountain Time (9 a.m. Eastern Time)

Conference call preregistration is recommended.

To participate in the question-and-answer period, please register on-line.

After registering, an e-mail will be sent, including dial-in details and a unique conference call access code required to join the live call. Ensure you have registered at least 10 minutes before the start of the call.

The conference call and slideshow presentation will be broadcast live and available on the events and presentations section of Stantec's website.

About Stantec Inc.

Communities are fundamental. Whether around the corner or across the globe, they provide a foundation, a sense of place and of belonging. That is why Stantec always designs with community in mind.

Stantec cares about the communities it serves because they are Stantec's communities too. This allows Stantec to assess what is needed and connect its expertise, to appreciate nuances and envision what is never been considered, and to bring together diverse perspectives so Stantec can collaborate toward a shared success.

Stantec consists of designers, engineers, scientists and project managers, innovating together at the intersection of community, creativity and client relationships. Balancing these priorities results in projects that advance the quality of life in communities across the globe. Stantec trades on the Toronto Stock Exchange and the New York Stock Exchange under the symbol STN.