Mr. Christian Mayer reports

COLLIERS TO ANNOUNCE SECOND QUARTER RESULTS ON JULY 31, 2025

Colliers International Group Inc.'s results for the second quarter ended June 30, 2025, will be issued by press release on July 31, 2025, at approximately 7 a.m. ET.

A conference call to review these results will take place at 11 a.m. ET on July 31, 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 1-289-819-1520 and toll-free -- North America 1-800-549-8228 with conference ID 73902. The conference call will also be accessible via webcast at the company's website in the events section.

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

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 -- the company 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 nearly $5.0-billion in annual revenues, a team of 23,000 professionals and more than $100-billion in assets under management, Colliers remains committed to accelerating the success of the company's clients, investors and people worldwide.