Mr. Daniel Wilton reports

FIRST MINING ANNOUNCES $5 MILLION EQUITY FINANCING

First Mining Gold Corp. intends to complete an equity financing by way of a non-brokered private placement of up to 40 million units of the company at a price of 12.5 cents per unit for aggregate gross proceeds of up to $5-million. Certain insiders of the company, including Keith Neumeyer, the chairman of the board, and Dan Wilton, First Mining's chief executive officer, will be participating in the offering.

Each unit will consist of one common share of the company and one-half of one common share purchase warrant. Each Warrant will entitle the holder to acquire one common share of the company at a price of 20 cents per share at any time prior to the date which is 36 months following the closing date of the offering.

The net proceeds from the offering will be used to advance First Mining's Springpole and Duparquet gold projects, as well as for general working capital and corporate purposes.

The closing of the offering is expected to occur on or before Nov. 21, 2023, and is subject to the completion of formal documentation and receipt of all applicable regulatory approvals, including the approval of the Toronto Stock Exchange. The unit shares to be issued under the offering will be subject to a statutory hold period of four months and one day from the closing date.

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 it has commenced a feasibility study and permitting activities are continuing with a draft environmental impact statement (EIS) for the project published in June, 2022, and the Duparquet project in Quebec, a preliminary economic assessment-stage 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 Auteco Minerals Ltd.), the Hope Brook gold project (being advanced in partnership with Big Ridge Gold Corp.) and a large equity interest in Treasury Metals Inc.

First Mining was established in 2015 by Mr. Neumeyer, founding president and CEO of First Majestic Silver Corp.

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