Alamos Gold’s Ontario Mine Plan Targets 534,000 Oz of Gold a Year

Alamos Gold Announces Island Gold District Expansion to 20,000 TPD, Creating One of Canada’s Largest and Lowest Cost Gold Mines with Attractive Economics, including 69% After-Tax IRR and $12.2 Billion NPV at $4,500/oz Gold

All amounts are in United States dollars, unless otherwise stated

Alamos Gold’s Ontario mine plan targets 534,000 oz of gold a year

Study lifts Island Gold District reserves 30% and supports a 20,000 tpd mill, with $8.2B to $12.2B after-tax NPV and completion targeted for 2028.