VANCOUVER, BC, June 9, 2021 /PRNewswire/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to report that Auteco Minerals Ltd ("Auteco") (ASX: AUT) has completed the first stage of its earn-in with respect to the Pickle Crow Gold Project located in northwestern Ontario, Canada ("Pickle Crow"). In connection with the completion of Stage 1 of the earn-in, Auteco has issued 100,000,000 shares of Auteco to First Mining. As a result of completing Stage 1 of the earn-in, Auteco (through one of its subsidiaries) now owns a 51% interest in PC Gold Inc. ("PC Gold"), First Mining's wholly-owned subsidiary that owns Pickle Crow. In addition, the parties have executed a joint venture shareholders agreement (the "JV Agreement") in respect of PC Gold. Auteco has a two-year follow-on period, commencing as of June 4, 2021, within which to acquire an additional 19% interest in PC Gold (the "Stage 2 Earn-In").