Mr. Daniel Wilton reports

FIRST MINING PUBLISHES SECOND ANNUAL ESG REPORT

First Mining Gold Corp. has published its second annual environmental, social and governance (ESG) report for the 2022 year. The ESG report provides a comprehensive overview of the company's ESG commitments, practices and performance.

"First Mining is excited to publish our second annual ESG report, representing another step in First Mining's journey of operating responsibly and sustainably," stated Dan Wilton, chief executive officer of First Mining. "With the acquisition of the Duparquet gold project in 2022, we welcome the continued opportunity to highlight our ESG metrics across two major gold development projects in Canada. First Mining continues to implement programs and initiatives that align with our strong environmental stewardship objectives, community relations goals, robust corporate governance practices and commitment to continuous improvement. As we look to 2023, we will strive to continuously align with best practices to ensure a lasting positive legacy for regions in which we work and our operations."

First Mining's 2022 ESG report can be viewed and is available for download on First Mining's website.

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 draft environmental impact statement (EIS) for the project published in June, 2022, and the Duparquet, Pitt gold, Duquesne and Porcupine East gold projects in Quebec, a collection of advanced-stage development assets 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 Keith Neumeyer, founding president and chief executive officer of First Majestic Silver Corp.

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