Mr. Daniel Wilton reports

FIRST MINING ANNOUNCES VOTING RESULTS FROM 2025 AGM

First Mining Gold Corp. has released the voting results from the company's annual general meeting (AGM) of shareholders, held in Vancouver on June 11, 2025.

A total of 340,727,880 common shares of First Mining were represented at the 2025 AGM, representing 31.45 per cent of the company's outstanding common shares as at the record date of April 23, 2025. Shareholders voted in favour of all matters brought before the meeting. All five director nominees were elected as shown in an attached table.

Detailed voting results for the meeting are available on SEDAR+.

About First Mining Gold Corp.

First Mining is a gold developer advancing two of the largest gold projects in Canada, the Springpole gold project in Northwestern Ontario, where the company has commenced a feasibility study and permitting activities are continuing with a final environmental impact statement/environmental assessment for the project submitted in November, 2024, and the Duparquet gold project in Quebec, a PEA-stage (preliminary economic assessment) development project located on the Destor-Porcupine fault zone in the prolific Abitibi region. First Mining also owns the Cameron gold project in Ontario and a portfolio of gold project interests, including the Pickle Crow gold project (being advanced in partnership with Firefly Metals Ltd.) and the Hope Brook gold project (being advanced in partnership with Big Ridge Gold Corp.).

First Mining was established in 2015 by Keith Neumeyer, founding president and chief executive officer of First Majestic Silver Corp.

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