Investor Presentaiton

CORPORATE OVERVIEW SUMMARY DETAILS Shares Issued & Outstanding 916 Million CURRENT OWNERSHIP G FIRST MINING GOLD Options and RSUs Outstanding 88 Million MANAGEMENT & DIRECTORS Warrants Outstanding 85 Million 4.4% 1.7% Fully Diluted Shares Outstanding 1,089 Million 82% RETAIL fm FIRST MAJESTIC ALVLE CORP FIRST MINING GOLD Market Capitalization - Basic $151 Million 12% INSTITUTIONAL Cash-on-Hand ~$10 Million Debt Nil Marketable Securities (1) $5 Million Enterprise Value - Basic $136 Million ANALYST COVERAGE Future Cash and Share Payments (2) $17 Million Implied Value of JV Interests (3) $23 Million CANTOR Bitzgerald CORMARK Matthew O'Keefe Richard Gray Average Daily Volume Canada: 2,200,000 (Past 3 Months) U.S.: 660,000 Note: Market data as at April 12, 2024 SECURITIES INC. × HCW H.C.WAINWRIGHT&CO. Heiko Ihle LAURENTIAN BANK SECURITIES Jacques Wortman (1) Marketable securities includes shares held for sale, including shares of Treasury Metals (2) Future cash and share payments: US$5 million from First Majestic in cash and shares for sale of 50% silver stream on Springpole; C$3 million cash payment from FireFly; C$5 million cash payment from Treasury Metals; C$2 million cash payment from Big Ridge Gold (3) Value of Joint Venture Interests represents the implied value of First Mining's 20% interest in Pickle Crow upon FireFly's earn-in to 80% of the project derived from FireFly's market cap prior to Green Bay Copper-Gold project acquisition; and the implied value of First Mining's 20% interest in Hope Brook upon Big Ridge's earn-in to 80% of the project derived from Big Ridge's existing market cap TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG | www.firstmininggold.com | 4

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