Mr. Christian Mayer reports

COLLIERS ANNOUNCES UPCOMING ANNUAL MEETING AND Q1 REPORTING DATES

Colliers International Group Inc.'s annual meeting of shareholders will be held virtually on April 1, 2025, at 11 a.m. ET.

Attendees will have the opportunity to attend the meeting on-line, in real time, and shareholders and duly appointed proxyholders will be able to ask questions and vote through a live webcast. Shareholders or guests will not be able to attend the meeting in person.

To attend the virtual meeting, please log in at least 15 minutes before the start of the meeting. Please ensure your browser is compatible by logging in early. The latest versions of Chrome, Safari, Edge or Firefox are supported. Shareholders who wish to vote their shares or ask a question will need to enter the control number included on the proxy materials that were mailed to them, as well as contact details.

The company also announced that operating and financial results for the first quarter ended March 31, 2025, will be issued by a news release on May 6, 2025, at approximately 7 a.m. ET.

A conference call to review these results will take place at 11 a.m. ET on May 6, 2025, and will be hosted by Jay S. Hennick, global chairman and chief executive officer, and Christian Mayer, chief financial officer.

The telephone numbers for this call are local Toronto at 1-289-819-1520 and/or toll-free in North America at 1-800-549-8228, with conference ID 98877. The conference call will also be accessible via webcast in the events section.

For anyone unable to listen to the scheduled call, the webcast replay will be available on the webcast attendee link.

About Colliers International Group Inc.

Colliers is a global diversified professional services and investment management company. Operating through three industry-leading platforms, real estate service, engineering and investment management, Colliers has a proven business model, an enterprising culture, and a unique partnership philosophy that drives growth and value creation. For 30 years, Colliers has consistently delivered approximately 20-per-cent compound annual returns for shareholders, fuelled by visionary leadership, significant inside ownership and substantial recurring earnings. With annual revenues exceeding $4.8-billion and a team of 23,000 professionals, and $99-billion in assets under management, Colliers remains committed to accelerating the success of its clients, investors and people worldwide.