Investor Presentaiton

SPRINGPOLE - A UNIQUE STRATEGIC GOLD ASSET One of the largest, undeveloped open-pit gold deposits in Canada • Probable Reserves of 3.8 million ounces gold at 0.97 g/t, 20.5 • million ounces silver at 5.2 g/t Average annual gold production of 335,000 ounces in years 1 through 9(1) Positive Economics, +11 year mine life • PFS announced January 2021, post-tax NPV 5% of US$995 million and post-tax IRR of 29% (1) Tier 1 Mining Jurisdiction with District Scale Exploration Upside • Long history of gold production in the area Unique Strategic Gold Asset • One of only a few projects in Canada able to produce more than 300,000 oz per year Existing Infrastructure In Place • 44-person camp, nearest logging road access 18 km from camp, powerline within 40 km of proposed plant (1) See page 28 for further details and disclosure regarding the 2021 Springpole PFS TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG | www.firstmininggold.com N CAT LAKE PICKLE CROW BIRCH-UCHI PROJECTS AUTECO MINERALS Red Lake RED LAKE Gold Mine (Evolution) Dixie EAR FALLS KENORA Rainy River (New Gold) ONTARIO SLATE FALLS SPRINGPOLE LAC SEUL SIOUX LOOKOUT DRYDEN TREASURY Goliath (Treasury Metals) Goldlund (Treasury Metals) CAMERON G PICKLE LAKE Hammond Reef (Agnico Eagle) 0 50 Km FIRST MINING First Mining Projects Road Logging Road Power Line Advanced Gold Projects ⑭Producing Mine ● Town/Community + Airport GOLD | 14

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