Mr. Gord Johnston reports

STANTEC TO RELEASE THIRD QUARTER 2025 RESULTS ON NOVEMBER 13, 2025 AND HOST CONFERENCE CALL ON NOVEMBER 14, 2025

Stantec Inc. will release its third quarter 2025 financial results after markets close on Thursday, Nov. 13, 2025. On Friday, Nov. 14, 2025, 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.

Third quarter 2025 webcast and conference call

Friday, Nov. 14, 2025, at 7 a.m. Mountain Time (9 a.m. Eastern Time)

A webcast will be available.

Conference call -- preregistration is recommended

To participate in the questions and answers, please register.

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.

It is a global leader in sustainable architecture, engineering and environmental consulting. Its 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 it does -- from project teams and industry colleagues to clients and the people the work impacts. The diverse perspectives of its partners and interested parties drive it to think beyond what has previously been done on critical issues like climate change, digital transformation, and future-proofing its cities and infrastructure.

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

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