Mr. Scott Parsons reports

ALAMOS GOLD ANNOUNCES 2026 INVESTOR DAY

Alamos Gold Inc. will host an investor day in Toronto on Wednesday, Feb. 4, 2026, during which senior management will provide detailed presentations on the Island gold district expansion study and updated three-year guidance. All amounts are in United States dollars, unless otherwise stated.

Topics to be covered include:

• Three-year guidance and longer-term outlook;
• Island gold district expansion study;
• Development projects update;
• Global exploration update.

A live webcast of the presentation will start at 8:30 a.m. ET on Feb. 4, 2026. To view the live webcast, please register on the company's website. An on-demand replay will be available within 24 hours. The webcast will be archived at the company's website.

About Alamos Gold Inc.

Alamos is a Canadian-based intermediate gold producer with diversified production from three operations in North America. This includes the Island gold district and Young-Davidson mine in Northern Ontario, Canada, and the Mulatos district in Sonora state, Mexico. Additionally, the company has a strong portfolio of growth projects, including the phase 3 plus expansion at Island Gold, and the Lynn Lake project in Manitoba, Canada. Alamos employs more than 2,400 people and is committed to the highest standards of sustainable development. The company's shares are traded on the Toronto Stock Exchange and New York Stock Exchange under the symbol AGI.