Investor Presentaiton

PROJECT HISTORY Gold discovered in the 1930s 1933 1956: Construction of a roaster and gold production 1956: Mining operation ceases 1970s: Roaster is operational - used for custom roasting of Molybdenum concentrate 1980-2007: Limited exploration activity 2009-2013: Clifton Star options to acquire the property and earns into 10% ownership; +270,000 m of drilling completed during this time and project completed a PFS Property returned to owners in 2014 and placed under care and maintenance, where Clifton Star maintained a 10% ownership interest Clifton Star acquired by First Mining in 2016 September 2022 - Acquired 100% ownership of the project September 2023 - Announced results of a positive PEA on the Project TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG | www.firstmininggold.com G FIRST MINING GOLD Cyanide Plant and Roaster 1934: Beattie Gold Mines is the largest gold producer in the province of Quebec • • Most of the mine buildings have been demolished and the shafts capped and allowed to naturally flood Only remaining buildings on the Beattie mine site are the roaster building, smoke stack and water tower | 46

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