Mr. Christian Mayer reports

COLLIERS TO ANNOUNCE THIRD QUARTER RESULTS ON NOVEMBER 4, 2026

Colliers International Group Inc.'s results for the third quarter ended Sept. 30, 2026, will be issued by news release on Nov. 4, 2026, at approximately 7 a.m. ET.

A conference call to review these results will take place at 11 a.m. ET on Nov. 4, 2026, and will be hosted by Jay S. Hennick, global chairman and chief executive officer, and Christian Mayer, chief financial officer and chief executive officer of commercial real estate.

The telephone numbers for this call are local at 1-585-542-9983 and toll-free in North America at 1-833-461-5787, with conference meeting ID 768704731. The conference call will also be accessible via webcast in the events section of the company's website.

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 businesses: commercial real estate, engineering and investment management. With greater than a 30-year record of consistent growth and strong recurring cash flows, the company scales complementary, high-value businesses that provide essential services across the full asset life cycle. Colliers's unique partnership philosophy empowers exceptional leaders, preserves the company's entrepreneurial culture and ensures meaningful inside ownership -- driving strong alignment and sustained value creation for the company's shareholders. With $6-billion in annual revenues, 28,000 professionals and $110-billion in assets under management, Colliers is committed to accelerating the success of its clients, investors and people worldwide.