Alamos Gold announces Investor Day 2026

All amounts are in US dollars unless otherwise stated.

Alamos Gold Inc. (TSX:AGI; NYSE:AGI) (“Alamos” or the “Company”) will host an Investor Day in Toronto on Wednesday, February 4, 2026, during which senior management will provide detailed presentations on the Island Gold District Expansion Study and updated three-year guidance.

Topics covered include:

• Three-year guidance and longer-term prospects
• Exploring the Island Gold District Expansion
• Update of development projects
• Global exploration update

A live webcast of the presentation begins at 8:30 AM ET on February 4, 2026. To watch the live webcast, please register at www.alamos2026investorday.com. An on-demand replay will be available within 24 hours via the same link. The webcast is archived at www.alamosgold.com.

About Alamos

Alamos is a Canadian-based intermediate gold producer with diversified production from three facilities 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. In addition, the company has a strong portfolio of growth projects, including the Phase 3+ expansion at Island Gold and the Lynn Lake project in Manitoba, Canada. Alamos employs more than 2,400 people and strives for the highest standards of sustainable development. The company’s shares trade on the TSX and NYSE under the symbol “AGI”.

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