Mr. Scott Parsons reports

ALAMOS GOLD PROVIDES NOTICE OF SECOND QUARTER 2025 RESULTS AND CONFERENCE CALL

Alamos Gold Inc. plans to release its second quarter 2025 financial results after market close on Wednesday, July 30, 2025. Senior management will host a conference call on Thursday, July 31, 2025, at 10 a.m. ET to discuss the results. All amounts are in United States dollars, unless otherwise stated.

Participants may join the conference call via webcast or through the following dial-in numbers:

Toronto and international:  416-406-0743

Toll-free (Canada and the United States):  800-898-3989

Participant pass code:  2513100 followed by the pound key

Webcast:  Alamos Gold website

A playback will be available until Aug. 31, 2025, by dialling 905-694-9451 or 800-408-3053 within Canada and the United States. The pass code is 5228302 followed by the pound key. The webcast will be archived at the Alamos Gold 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.