Mr. Gord Johnston reports

STANTEC TO RELEASE FOURTH QUARTER AND FULL YEAR 2025 RESULTS ON FEBRUARY 25, 2026 AND HOST CONFERENCE CALL ON FEBRUARY 26, 2026

Stantec, a global leader in sustainable design and engineering, will release its fourth quarter and full year 2025 financial results after markets close on Wednesday, Feb. 25, 2026. On Thursday, Feb. 26, 2026, at 7 a.m. Mountain Time (9 a.m. Eastern Time), Gord Johnston, president and chief executive officer, and Vito Culmone, executive vice president and chief financial officer, will hold a webcast and conference call to discuss the company's performance.

Q4 and full year 2025 webcast and conference call

Date:  Thursday, Feb. 26, 2025, at 7 a.m. Mountain Time (9 a.m. Eastern Time)

Conference call -- preregistration is recommended

To participate in the Q&A (question and answer), please register:

Conference call registration (Canada and United States).

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 slide show presentation will be broadcast live and available on the events and presentations section of the Stantec website.

About Stantec Inc.

Stantec empowers clients, people and communities to rise to the world's greatest challenges at a time when the world faces more unprecedented concerns than ever before.

The company is a global leader in sustainable architecture, engineering and environmental consulting.

Stantec professionals deliver the expertise, technology and innovation communities need to manage aging infrastructure, demographic and population changes, the energy transition, and more.

Today's communities transcend geographic borders. At Stantec, community means everyone with an interest in the work that the company does -- from its project teams and industry colleagues to its clients and the people its work impacts. The diverse perspectives of the company's partners and interested parties drive the company to think beyond what is previously been done on critical issues like climate change, digital transformation, and future-proofing the company's cities and infrastructure.

Stantec consists of designers, engineers, scientists, project managers and strategic advisers. The company innovates at the intersection of community, creativity and client relationships to advance communities everywhere, so that together the company can redefine what is possible.

Stantec trades on the Toronto Stock Exchange and the New York Stock Exchange under the symbol STN.