b'YOUNG-DAVIDSON MINE containing 198,000 ounces of goldG O L D M I N E S Alamos Gold Inc. (InferredDecember 2024) gold producerunderground Opened2012 (open pit), 2013 (underground)Life of Mine2038Mailing Address Highway 566, P.O. Box 187 Employment700Matachewan, ONP0K 1M0 NotesGold production at Young-Davidson is Tel: (705) 565-9800 estimated at 175,000 to 190,000 ounces Fax: (705) 565-2387 for year 2025, with a 14-year mine life Websitewww.alamosgold.com (based on Proven and Probable mineral Mine ManagerRyan Clarke, General Manager reserves as of December 31, 2024, with Production Rate8,000 tonnes per day (mine), 8,00041,756,000 tonnes of ore grading 2.26 tonnes per day (mill capacity) g/t gold and containing 3,030,000 oz Production2021195,000 ounces of gold of gold). During the first nine months of 2022192,200 ounces of gold 2025, Young-Davidson mine produced a 2023185,100 ounces of goldtotal of 112,000 oz of gold from 1,959,516 2024174,000 ounces of goldtonnes of ore processed and grading 2025162,500 ounces of goldat 1.94 g/t gold. A total of $11 million (management projection)was budgeted for exploration in 2025. Resources54,581,000 tonnes at 2.40 g/t gold,This includes 25,600 m of underground containing 4,216,000 ounces of goldexploration drilling focused on extending (Measured and Indicatedmineralization within the Young-December 2024)Davidson syenite, which hosts most of 1,381,000 tonnes at 3.26 g/t gold,the mineral reserves and resources, as containing 145,000 ounces of goldwell as defining further higher-grade (InferredDecember 2023) mineralization within the hanging wall.1,911,000 tonnes at 3.22 g/t gold, Tel: 705-560-273924 Hour ServiceHeavy equipmenT RenTalS, SaleS, and SeRviceScissorliftsKnuckleboomsForkliftsmining equipmentaerial Booms mini-excavatorsSkid-Steer loadersTRadeSpeRSon SupplyWeldeRS & mecHanicSTilt & load Service equipment TrainingSTRENGTHEN YOUR VOICEREACH ASSOCIATION MEMBERS ANDINDUSTRY PARTNERS ACROSS THE COUNTRY email: gme@gmes.caWITH TAILORED COMMUNICATIONS SOLUTIONS 2755 lasalle Blvd., Sudbury, onp3a 4R7Robert Thompson, Senior Vice Presidentwww.gmes.carobertt@mediaedge.ca 647-494-4229 ONTARIO MINING AND EXPLORATION DIRECTORY AND RESOURCE GUIDE 2026 19'