FFMGF / First Mining Gold Corp. - SEC-arkiveringar, Årsredovisning, Fullmaktsutlåtande

First Mining Gold Corp.
US ˙ OTCPK ˙ CA3208901064

Grundläggande statistik
LEI 5299002LR0XBHE0LR167
CIK 1641229
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to First Mining Gold Corp.
SEC Filings (Chronological Order)
Denna sida innehåller en komplett, kronologisk lista över SEC-arkiveringar, exklusive ägande-arkiveringar som vi tillhandahåller på andra ställen.
September 8, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Commission File Number: 000-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address

September 8, 2025 EX-99.1

First Mining Further Expands Aiguille Zone at the Duparquet Gold Project as Exploration Drilling Advances

Exhibit 99.1 First Mining Further Expands Aiguille Zone at the Duparquet Gold Project as Exploration Drilling Advances Aiguille Zone now delineated over 100 m strike length, highlighted by drill hole DUP25-058 returning 1.43 g/t Au over 24.1 m, including 4.56 g/t Au over 4.0 m Exploration drilling program continues through the month of September with ~16,000 m completed in 2025 to date VANCOUVER,

August 12, 2025 EX-99.1

First Mining Announces 2025 Second Quarter Financial Results and Operating Highlights

Exhibit 99.1 First Mining Announces 2025 Second Quarter Financial Results and Operating Highlights VANCOUVER, BC, Aug. 12, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) reports its second quarter financial results for the quarter ended June 30, 2025. The financial statements and management's discussion and analysis ("MD&A") are ava

August 12, 2025 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Darren Prins, the Interim Chief Financial Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended June 30, 2025. 2. No misrepresentations:

August 12, 2025 EX-99.1

First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three and six months ended June 30, 2025 and 2024 (Presented in thousands of Canadian dollars unless otherwise noted)

EXHIBIT 99.1 First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three and six months ended June 30, 2025 and 2024 (Presented in thousands of Canadian dollars unless otherwise noted) (Unaudited) FIRST MINING GOLD CORP. CONDENSED INTERIM CONSOLIDATED STATEMENTS OF FINANCIAL POSITION AS AT JUNE 30, 2025 AND DECEMBER 31, 2024 (Unaudited - Presented in thousands of Cana

August 12, 2025 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Daniel W. Wilton, Chief Executive Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended June 30, 2025. 2. No misrepresentations: Based on

August 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 000-556

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant’s name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

August 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 000-556

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

August 12, 2025 EX-99.2

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG DISCUSSION & ANALYSIS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2025

EXHIBIT 99.2 TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG MANAGEMENT’S DISCUSSION & ANALYSIS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2025 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827 FIRST MINING GOLD CORP. Management’s Discussion & Analysis (Presented in Canadian dollars, unless otherwise indicated) For the three and six months

August 6, 2025 EX-99.1

First Mining Closes Upsized $24.4 Million Non-Brokered Private Placement

Exhibit 99.1 First Mining Closes Upsized $24.4 Million Non-Brokered Private Placement VANCOUVER, BC, Aug. 5, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that it has upsized and closed its previously announced non-brokered private placement financing raising total gross proceeds of approximately $24.4 millio

August 6, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 000-556

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

July 31, 2025 EX-99.1

First Mining Closes Sale of 20% Project Interest in Hope Brook Gold Project

Exhibit 99.1 First Mining Closes Sale of 20% Project Interest in Hope Brook Gold Project VANCOUVER, BC, July 31, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that it has closed its previously announced sale of its 20% project interest in the Hope Brook Gold Project in Newfoundland ("Hope Brook") with Big Rid

July 31, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

July 22, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

July 22, 2025 EX-99.1

First Mining Announces Closing of $12 Million Public Offering

Exhibit 99.1 First Mining Announces Closing of $12 Million Public Offering VANCOUVER, BC, July 22, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce the closing of its previously announced over-subscribed public offering (the "Public Offering") of 66,670,000 units of the Company (the "Units") at a price of $0.18

July 15, 2025 EX-99.1

/NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/ Base Shelf Prospectus Accessible and Prospectus Supplement to be Accessible on SEDAR+

Exhibit 99.1 First Mining Announces Upsized $12 Million Public Offering for a Total Offering of up to $27 Million /NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/ Base Shelf Prospectus Accessible and Prospectus Supplement to be Accessible on SEDAR+ VANCOUVER, BC, July 15, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX

July 15, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

July 14, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

July 14, 2025 EX-99.1

First Mining Discovers Significant New Gold Zone for Immediate Expansion at the Duparquet Gold Project

Exhibit 99.1 First Mining Discovers Significant New Gold Zone for Immediate Expansion at the Duparquet Gold Project • Minuit Discovery - A Newly Discovered Gold Zone located 75 m north of historical Donchester Mine • DUP25-059 returns 2.25 g/t Au over 12.8 m, including 4.08 g/t Au over 4.0 m • Zone 3 Exploration Update - Drilling continues to confirm the main Duparquet resource • DUP25-059 interse

July 7, 2025 EX-99.1

Mishkeegogamang First Nation and First Mining Sign Long Term Relationship Agreement for the Development of the Springpole Gold Project

Exhibit 99.1 Mishkeegogamang First Nation and First Mining Sign Long Term Relationship Agreement for the Development of the Springpole Gold Project • Agreement setting out the significant participation of Mishkeegogamang First Nation in the responsible development of the Springpole Gold Project in a way that seeks to minimize impacts on the environment and provides direct benefits to the community

July 7, 2025 EX-99.1

First Mining Announces Sale of 20% Interest in Hope Brook Gold Project

Exhibit 99.1 First Mining Announces Sale of 20% Interest in Hope Brook Gold Project VANCOUVER, BC, July 7, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that it has entered into an agreement with Big Ridge Gold Corp. (TSXV: BRAU) ("Big Ridge") to sell its remaining 20% project interest in the Hope Brook Gold

July 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

July 7, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

June 11, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

June 11, 2025 EX-99.1

First Mining Announces Voting Results from 2025 AGM

Exhibit 99.1 First Mining Announces Voting Results from 2025 AGM VANCOUVER, BC, June 11, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce the voting results from the Company's annual general meeting of shareholders held in Vancouver on June 11, 2025 (the "2025 AGM"). A total of 340,727,880 common shares of First

May 28, 2025 EX-99.1

First Mining Strengthens Miroir Discovery at Duparquet Gold Project with New Near-Surface Drilling Results and Expands Valentre Target Zone at Depth

Exhibit 99.1 First Mining Strengthens Miroir Discovery at Duparquet Gold Project with New Near-Surface Drilling Results and Expands Valentre Target Zone at Depth • Miroir - Multiple positive gold intercepts returned near surface including: • DUP25-052 returns 2.77 g/t Au over 11.1 m, including 4.36 g/t Au over 6.5 m, at a depth of 12.9 m • DUP25-054 returns 1.41 g/t Au over 11.9 m, including 2.52

May 28, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pri

May 14, 2025 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Darren Prins, the Interim Chief Financial Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended March 31, 2025. 2. No misrepresentations:

May 14, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant’s name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pri

May 14, 2025 EX-99.1

First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three months ended March 31, 2025 and 2024 (Presented in thousands of Canadian dollars unless otherwise noted)

EXHIBIT 99.1 First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three months ended March 31, 2025 and 2024 (Presented in thousands of Canadian dollars unless otherwise noted) (Unaudited) FIRST MINING GOLD CORP. CONDENSED INTERIM CONSOLIDATED STATEMENTS OF FINANCIAL POSITION AS AT MARCH 31, 2025 AND DECEMBER 31, 2024 (Unaudited - Presented in thousands of Canadian d

May 14, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pri

May 14, 2025 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Daniel W. Wilton, Chief Executive Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended March 31, 2025. 2. No misrepresentations: Based o

May 14, 2025 EX-99.1

First Mining Announces 2025 First Quarter Financial Results and Operating Highlights

Exhibit 99.1 First Mining Announces 2025 First Quarter Financial Results and Operating Highlights VANCOUVER, BC, May 14, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) reports its first quarter financial results for the quarter ended March 31, 2025. The financial statements and management's discussion and analysis ("MD&A") are avail

May 14, 2025 EX-99.2

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG DISCUSSION & ANALYSIS FOR THE THREE MONTHS ENDED MARCH 31, 2025 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827

EXHIBIT 99.2 TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG MANAGEMENT’S DISCUSSION & ANALYSIS FOR THE THREE MONTHS ENDED MARCH 31, 2025 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827 FIRST MINING GOLD CORP. Management’s Discussion & Analysis (Presented in Canadian dollars, unless otherwise indicated) For the three months ended March 31

May 2, 2025 EX-99.4

NOTICE AND ACCESS NOTIFICATION TO SHAREHOLDERS ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON WEDNESDAY, JUNE 11, 2025

EXHIBIT 99.4 NOTICE AND ACCESS NOTIFICATION TO SHAREHOLDERS ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON WEDNESDAY, JUNE 11, 2025 You are receiving this notification as First Mining Gold Corp. (“First Mining,” the “Company”, “we”, “us” or “our”) is using the notice and access model (“Notice and Access”) for the delivery of meeting materials to our shareholders for the annual general meetin

May 2, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2025 Commission File Number 000-55607 FIRST MINING GOLD CORP. (Translation of registrant’s name into English) Suite 2070, 1188 West Georgia Street Vancouver, British Columbia V6E 4A2 Canada

May 2, 2025 EX-99.2

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG NOTICE OF MEETING MANAGEMENT INFORMATION CIRCULAR for the ANNUAL GENERAL MEETING OF SHAREHOLDERS to be held on JUNE 11, 2025 Dated as of April 23, 2025

EXHIBIT 99.2 TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG NOTICE OF MEETING and MANAGEMENT INFORMATION CIRCULAR for the ANNUAL GENERAL MEETING OF SHAREHOLDERS to be held on JUNE 11, 2025 Dated as of April 23, 2025 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827 About First Mining Headquartered in Vancouver, British Columbia, First Mini

May 2, 2025 EX-99.1

Notice of 2025 Annual General Meeting of Shareholders

EXHIBIT 99.1 Notice of 2025 Annual General Meeting of Shareholders When Wednesday, June 11, 2025 at 10:00 a.m. (Pacific Time) Where 3rd Floor Boardroom at 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2. We will cover six items of business at our 2025 annual general meeting (the "Meeting”): · Receive our audited consolidated financial statements for the financial year ended December

May 2, 2025 EX-99.3

EX-99.3

EXHIBIT 99.3

April 28, 2025 EX-99.1

First Mining Adds Second Drill Rig at the Duparquet Gold Project and Provides Corporate Update

Exhibit 99.1 First Mining Adds Second Drill Rig at the Duparquet Gold Project and Provides Corporate Update VANCOUVER, BC, April 28, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to provide an update on its ongoing 2025 exploration activities at the Duparquet Gold Project ("Duparquet Project" or the "Project") located in

April 28, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 000-5560

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of p

March 31, 2025 EX-99.17

March 28, 2025

EXHIBIT 99.17 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.24

March 28, 2025

EXHIBIT 99.24 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Technical Information in Annual Report on Form 40-F and Annual Information Form This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United State

March 31, 2025 EX-99.10

March 28, 2025

EXHIBIT 99.10 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.9

March 28, 2025

EXHIBIT 99.9 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commission

March 31, 2025 EX-99.3

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG DISCUSSION & ANALYSIS FOR THE YEAR ENDED DECEMBER 31, 2024 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827

EXHIBIT 99.3 TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG MANAGEMENT’S DISCUSSION & ANALYSIS FOR THE YEAR ENDED DECEMBER 31, 2024 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827 FIRST MINING GOLD CORP. Management’s Discussion & Analysis (Presented in Canadian dollars, unless otherwise indicated) For the year ended December 31, 2024 TAB

March 31, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 000-5560

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of p

March 31, 2025 EX-99.20

March 28, 2025

EXHIBIT 99.20 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.8

March 28, 2025

EXHIBIT 99.8 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commission

March 31, 2025 EX-99.1

First Mining Announces Year-End 2024 Financial Results and Operating Highlights

Exhibit 99.1 First Mining Announces Year-End 2024 Financial Results and Operating Highlights VANCOUVER, BC, March 31, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) reports its fourth quarter and annual financial results for the year ended December 31, 2024. The audited consolidated financial statements and management's discussion a

March 31, 2025 EX-99.16

March 28, 2025

EXHIBIT 99.16 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.25

Consent of Independent Registered Public Accounting Firm

EXHIBIT 99.25 Consent of Independent Registered Public Accounting Firm We hereby consent to the incorporation by reference in this Annual Report on Form 40-F for the year ended December 31, 2024 of First Mining Gold Corp. of our report dated March 28, 2025, relating to the consolidated financial statements, which appears in Exhibit 99.2 incorporated by reference in this Annual Report on Form 40-F.

March 31, 2025 EX-99.5

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.5 CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Lisa Peterson, certify that: 1. I have reviewed this annual report on Form 40-F of First Mining Gold Corp.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under w

March 31, 2025 EX-99.13

March 28, 2025

EXHIBIT 99.13 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.1

First Mining Receives Final US$5 Million Payment from First Majestic in Connection with Springpole Gold Project Silver Stream

Exhibit 99.1 First Mining Receives Final US$5 Million Payment from First Majestic in Connection with Springpole Gold Project Silver Stream VANCOUVER, BC, March 28, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) announces that it has received the final payment of US$5 million from First Majestic Silver Corp. ("First Majestic") in con

March 31, 2025 EX-99.7

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.7 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The undersigned, Lisa Peterson, hereby certifies, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: (a) the annual report on Form 40-F of First Mining Gold Corp. for the year ended December 31, 2024 fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934

March 31, 2025 EX-99.22

March 28, 2025

EXHIBIT 99.22 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.15

March 28, 2025

EXHIBIT 99.15 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.4

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.4 CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Daniel W. Wilton, certify that: 1. I have reviewed this annual report on Form 40-F of First Mining Gold Corp.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

March 31, 2025 EX-99.19

March 28, 2025

EXHIBIT 99.19 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.21

March 28, 2025

EXHIBIT 99.21 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.12

March 28, 2025

EXHIBIT 99.12 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.6

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.6 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The undersigned, Daniel W. Wilton, hereby certifies, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: (a) the annual report on Form 40-F of First Mining Gold Corp. for the year ended December 31, 2024 fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1

March 31, 2025 EX-99.18

March 28, 2025

EXHIBIT 99.18 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.1

2070 – 1188 WEST GEORGIA STREET, VANCOUVER, BRITISH COLUMBIA V6E 4A2 WWW.FIRSTMININGGOLD.COM | 1-844-306-8827

EXHIBIT 99.1 TSX: FF OTCQX: FFMGF FRANKFURT: FMG ANNUAL INFORMATION FORM For the year ended December 31, 2024 Date: March 28, 2025 2070 – 1188 WEST GEORGIA STREET, VANCOUVER, BRITISH COLUMBIA V6E 4A2 WWW.FIRSTMININGGOLD.COM | 1-844-306-8827 CONTENTS Important information about this document 4 Reporting currency and financial information 4 Non-IFRS Financial Measures 4 Cautionary statement regardin

March 31, 2025 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 Commission File Number 000-55607 FIRST MINING GOLD CORP. (Exact name of registrant as specifie

March 31, 2025 EX-99.23

March 28, 2025

EXHIBIT 99.23 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Technical Information in Annual Report on Form 40-F and Annual Information Form This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United State

March 31, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 000-5560

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of p

March 31, 2025 EX-99.2

First Mining Gold Corp. Consolidated Financial Statements For the years ended December 31, 2024 and 2023 (Presented in thousands of Canadian dollars unless otherwise noted)

EXHIBIT 99.2 First Mining Gold Corp. Consolidated Financial Statements For the years ended December 31, 2024 and 2023 (Presented in thousands of Canadian dollars unless otherwise noted) Report of Independent Registered Public Accounting Firm To the Board of Directors and Shareholders of First Mining Gold Corp. Opinion on the Financial Statements We have audited the accompanying consolidated statem

March 31, 2025 EX-99.11

March 28, 2025

EXHIBIT 99.11 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 31, 2025 EX-99.14

March 28, 2025

EXHIBIT 99.14 March 28, 2025 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2024 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

March 14, 2025 EX-99.1

First Mining Announces Agreement with First Majestic Silver to Accelerate Final Springpole Silver Stream Payment and Amend Warrant Terms

Exhibit 99.1 First Mining Announces Agreement with First Majestic Silver to Accelerate Final Springpole Silver Stream Payment and Amend Warrant Terms VANCOUVER, BC, March 14, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) announces that it has entered into an amending agreement (the "Amending Agreement") with First Majestic Silver C

March 14, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 000-5560

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of p

March 5, 2025 EX-99.1

East Extension

Exhibit 99.1 First Mining Provides Update on 2025 Exploration Program at the Duparquet Gold Project and Mobilizes First Drilling Rig VANCOUVER, BC, March 5, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce its 2025 exploration programs at the Duparquet Gold Project ("Duparquet Project" or the "Project") located

March 5, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 000-5560

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of p

February 12, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

February 12, 2025 EX-99.1

First Mining Confirms Mineralization Expansion Opportunity within Existing Springpole Gold Project Pit Design at its East Extension Target

Exhibit 99.1 First Mining Confirms Mineralization Expansion Opportunity within Existing Springpole Gold Project Pit Design at its East Extension Target VANCOUVER, BC, Feb. 12, 2025 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce final drilling results from the 2024 East Extension Phase 1 diamond drilling program at

January 21, 2025 EX-99.1

Valentre

Exhibit 99.1 First Mining Expansion Target Drilling Identifies Two New Gold Discoveries at the Duparquet Gold Project Miroir Discovery – 3.12 g/t Au over 19.35 m occurring 225 m north of the Valentre target Aiguille Discovery – 8.99 g/t Au over 3.1 m occurring 150 m south of the Valentre target Valentre – 142 Au mineralized intercepts identified, supporting zone continuity between Central Duparque

January 21, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 000-55

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

December 3, 2024 EX-99.1

First Mining Announces Positive Federal Conformity Determination for the Springpole Gold Project Final Environmental Impact Statement

EX-99.1 2 ex991.htm NEWS RELEASE DATED DECEMBER 3, 2024 Exhibit 99.1 First Mining Announces Positive Federal Conformity Determination for the Springpole Gold Project Final Environmental Impact Statement VANCOUVER, BC, Dec. 3, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that it has received a positive confor

December 3, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

November 21, 2024 EX-99.1

South Zone

Exhibit 99.1 First Mining Further Defines Buzz Zone and North Zone Expansion Targets at the Duparquet Gold Project Buzz Zone returns 1.55 g/t Au over 15.4 m including 3.08 g/t Au over 5.3 m North Zone returns 4.00 g/t Au over 5.7 m including 6.65 g/t Au over 2.0 m VANCOUVER, BC, Nov. 21, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG

November 21, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

November 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

November 19, 2024 EX-99.1

First Mining Identifies Eastern Extension Resource Growth Opportunity at the Springpole Gold Project

Exhibit 99.1 First Mining Identifies Eastern Extension Resource Growth Opportunity at the Springpole Gold Project • Drill hole SP24-007 returns 0.83 g/t Au and 8.02 g/t Ag over 52.50 m and 0.61 g/t Au and 4.66 g/t Ag over 46.50 m VANCOUVER, BC, Nov. 19, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce drilling r

November 13, 2024 EX-99.1

First Mining Announces Positive Initial Review by Best Practice Independent Geotechnical and Tailings Review Board for the Springpole Gold Project

Exhibit 99.1 First Mining Announces Positive Initial Review by Best Practice Independent Geotechnical and Tailings Review Board for the Springpole Gold Project VANCOUVER, BC, Nov. 13, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that an Independent Geotechnical and Tailings Review Board ("IGTRB") has been fo

November 13, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

November 12, 2024 EX-99.1

First Mining Announces 2024 Third Quarter Financial Results and Operating Highlights

Exhibit 99.1 First Mining Announces 2024 Third Quarter Financial Results and Operating Highlights VANCOUVER, BC, Nov. 11, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) reports its third quarter financial results for the quarter ended September 30, 2024. The financial statements and management's discussion and analysis ("MD&A") are

November 12, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

November 8, 2024 EX-99.1

First Mining Announces the Submission of its Final Environmental Impact Statement / Environmental Assessment for the Springpole Gold Project

Exhibit 99.1 First Mining Announces the Submission of its Final Environmental Impact Statement / Environmental Assessment for the Springpole Gold Project VANCOUVER, BC, Nov. 5, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce the submission of the Final Environmental Impact Statement / Environmental Assessment (

November 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

November 8, 2024 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Lisa Peterson, the Chief Financial Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended September 30, 2024. 2. No misrepresentations: Ba

November 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-5560

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street Vancouver, B.C. V6E 4A2 Canada (Address

November 8, 2024 EX-99.1

First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three and nine months ended September 30, 2024 and 2023 (Presented in thousands of Canadian dollars unless otherwise noted)

EXHIBIT 99.1 First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three and nine months ended September 30, 2024 and 2023 (Presented in thousands of Canadian dollars unless otherwise noted) (Unaudited) FIRST MINING GOLD CORP. CONDENSED INTERIM CONSOLIDATED STATEMENTS OF FINANCIAL POSITION AS AT SEPTEMBER 30, 2024 AND DECEMBER 31, 2023 (Unaudited - Presented in thousa

November 8, 2024 EX-99.2

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG DISCUSSION & ANALYSIS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2024 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827

EXHIBIT 99.2 TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG MANAGEMENT’S DISCUSSION & ANALYSIS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2024 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827 FIRST MINING GOLD CORP. (Presented in Canadian dollars, unless otherwise indicated) Management’s Discussion & Analysis For the three and nine

November 8, 2024 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Daniel W. Wilton, Chief Executive Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended September 30, 2024. 2. No misrepresentations: Bas

November 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 000-55

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

November 1, 2024 EX-99.1

FIRST MINING SIGNS PROCESS AGREEMENT WITH CAT LAKE FIRST NATION AND LAC SEUL FIRST NATION SUPPORTING ANISHINAABE-LED IMPACT ASSESSMENT

Exhibit 99.1 FIRST MINING SIGNS PROCESS AGREEMENT WITH CAT LAKE FIRST NATION AND LAC SEUL FIRST NATION SUPPORTING ANISHINAABE-LED IMPACT ASSESSMENT SIOUX LOOKOUT, ON, Oct. 31, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that it has entered into a Process Agreement with Cat Lake First Nation ("Cat Lake") and

October 11, 2024 EX-99.1

First Mining Closes Upsized $7.4 Million Equity Financing /NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/

Exhibit 99.1 First Mining Closes Upsized $7.4 Million Equity Financing /NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/ VANCOUVER, BC, Oct. 10, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that it has upsized and closed its previously announced non-brokered

October 11, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 000-55

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

October 1, 2024 EX-99.1

/NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/

Exhibit 99.1 First Mining Announces Closing of C$8 Million Bought Deal Financing Including the Full Exercise of Over-Allotment Option /NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/ VANCOUVER, BC, Sept. 26, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce the

October 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 000-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address

September 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 000-556

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street Vancouver, B.C. V6E 4A2 Canada (Addres

September 9, 2024 EX-99.1

First Mining Expands and Advances High-Grade Gold Discovery at its Birch-Uchi Greenstone Belt Exploration Project

EXHIBIT 99.1 TSX: FF OTCQX: FFMGF FRANKFURT: FMG NEWS RELEASE First Mining Expands and Advances High-Grade Gold Discovery at its Birch-Uchi Greenstone Belt Exploration Project September 9, 2024 – Vancouver, Canada – First Mining Gold Corp. (“First Mining” or the “Company”) (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce new assay results for the Challenger high-grade gold discover

August 28, 2024 EX-99.1

First Mining Further Defines Expansion Opportunity and Adds Second Drill Rig at the Duparquet Gold Project

EXHIBIT 99.1 First Mining Further Defines Expansion Opportunity and Adds Second Drill Rig at the Duparquet Gold Project · Drilling at Valentre target intersects 3.98 g/t Au over 8.7m and 1.82 g/t Au over 14.35m · Confirms continuity of mineralization between Central Duparquet pit and Dumico pit and demonstrates resource expansion opportunity First Mining Gold Corp. ("First Mining" or the "Company"

August 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 000-55607

6-K 1 firstmining6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street Vancouve

August 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 000-556

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant’s name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

August 8, 2024 EX-99.1

First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three and six months ended June 30, 2024 and 2023 (Presented in thousands of Canadian dollars unless otherwise noted)

EXHIBIT 99.1 First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three and six months ended June 30, 2024 and 2023 (Presented in thousands of Canadian dollars unless otherwise noted) (Unaudited) FIRST MINING GOLD CORP. CONDENSED INTERIM CONSOLIDATED STATEMENTS OF FINANCIAL POSITION AS AT JUNE 30, 2024 AND DECEMBER 31, 2023 (Unaudited - Presented in thousands of Cana

August 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 000-556

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

August 8, 2024 EX-99.1

First Mining Announces 2024 Second Quarter Financial Results and Operating Highlights

Exhibit 99.1 First Mining Announces 2024 Second Quarter Financial Results and Operating Highlights VANCOUVER, BC, Aug. 8, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) reports its second quarter financial results for the quarter ended June 30, 2024. The financial statements and management's discussion and analysis ("MD&A") are avai

August 8, 2024 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Daniel W. Wilton, Chief Executive Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended June 30, 2024. 2. No misrepresentations: Based on

August 8, 2024 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Lisa Peterson, the Chief Financial Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended June 30, 2024. 2. No misrepresentations: Based o

August 8, 2024 EX-99.2

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG DISCUSSION & ANALYSIS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2024

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG MANAGEMENT’S DISCUSSION & ANALYSIS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2024 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.

June 27, 2024 EX-99.1

First Mining Publishes Third Annual ESG Report

Exhibit 99.1 First Mining Publishes Third Annual ESG Report VANCOUVER, BC, June 27, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce the publication of its third annual Environmental, Social and Governance ("ESG") Report for the 2023 year ("ESG Report"). The ESG Report is part of the Company's ongoing and annual

June 27, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

June 20, 2024 EX-99.1

First Mining Announces Voting Results from 2024 AGM

Exhibit 99.1 First Mining Announces Voting Results from 2024 AGM VANCOUVER, BC, June 20, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce the voting results from the Company's annual general meeting of shareholders held in Vancouver on June 20, 2024 (the "2024 AGM"). A total of 255,213,257 common shares of First

June 20, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

June 20, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street Vancouver, B.C. V6E 4A2 Canada (Address of

June 20, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

June 20, 2024 EX-99.1

First Mining Provides Update on Temporary Winter Road for Springpole Exploration

Exhibit 99.1 First Mining Provides Update on Temporary Winter Road for Springpole Exploration VANCOUVER, BC, June 20, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) announces that a settlement agreement has been reached between the parties regarding the judicial review filed by Cat Lake First Nation ("CLFN") following the approval o

June 20, 2024 EX-99.1

Form 51-102F3 Material Change Report

EXHIBIT 99.1 Form 51-102F3 Material Change Report Item 1 Name and Address of Company First Mining Gold Corp. (the “Company”) Suite 2070 1188 West Georgia St. Vancouver, British Columbia V6E 4A2 Item 2 Date of Material Change June 14, 2024 Item 3 News Release A news release announcing the material change was disseminated on June 17, 2024 through the facilities of CISION/Newswire and was subsequentl

June 18, 2024 EX-99.1

First Mining Identifies Multiple High-Grade Gold Zones in Duparquet Exploration Drilling

Exhibit 99.1 First Mining Identifies Multiple High-Grade Gold Zones in Duparquet Exploration Drilling Drill hole DUP24-024 returns multiple gold zones including 10.67 g/t Au over 5.3 m, 6.63 g/t Au over 9.0 m, 3.04 g/t Au over 33.5 m, and 5.97 g/t Au over 33.0 m Gold zones hosted in newly identified mafic volcanic units not previously modelled at Duparquet Demonstrates significant exploration grow

June 18, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

June 17, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pr

June 17, 2024 EX-99.1

First Mining Closes Upsized $7 Million Flow-Through Equity Financing /NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/

Exhibit 99.1 First Mining Closes Upsized $7 Million Flow-Through Equity Financing /NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/ VANCOUVER, BC, June 17, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that due to demand, the Company has upsized and closed it

May 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pri

May 28, 2024 EX-99.1

/NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/

Exhibit 99.1 First Mining Announces up to $5 Million Flow-Through Equity Financing /NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/ VANCOUVER, BC, May 28, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that it intends to complete a flow-through equity financi

May 21, 2024 EX-99.1

Highlights include the Company's first ever targeting of the North Zone mineralization returning 3.11 g/t Au over 13.16 m and 3.07 g/t Au over 10.32 m

Exhibit 99.1 First Mining Announces Initial 2024 Duparquet Exploration Drilling Results Highlights include the Company's first ever targeting of the North Zone mineralization returning 3.11 g/t Au over 13.16 m and 3.07 g/t Au over 10.32 m VANCOUVER, BC, May 21, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce in

May 21, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pri

May 13, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pri

May 13, 2024 EX-99.1

First Mining Announces 2024 First Quarter Financial Results and Operating Highlights

Exhibit 99.1 First Mining Announces 2024 First Quarter Financial Results and Operating Highlights VANCOUVER, BC, May 13, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) reports its first quarter financial results for the quarter ended March 31, 2024. The financial statements and management's discussion and analysis ("MD&A") are avail

May 10, 2024 EX-99.1

First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three months ended March 31, 2024 and 2023 (Presented in thousands of Canadian dollars unless otherwise noted)

EXHIBIT 99.1 First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three months ended March 31, 2024 and 2023 (Presented in thousands of Canadian dollars unless otherwise noted) (Unaudited) FIRST MINING GOLD CORP. CONDENSED INTERIM CONSOLIDATED STATEMENTS OF FINANCIAL POSITION AS AT MARCH 31, 2024 AND DECEMBER 31, 2023 (Unaudited - Presented in thousands of Canadian d

May 10, 2024 EX-99.2

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG DISCUSSION & ANALYSIS FOR THE THREE MONTHS ENDED MARCH 31, 2024 Suite 2070 - 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827

EXHIBIT 99.2 TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG MANAGEMENT’S DISCUSSION & ANALYSIS FOR THE THREE MONTHS ENDED MARCH 31, 2024 Suite 2070 - 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827 FIRST MINING GOLD CORP. Management’s Discussion & Analysis (Presented in Canadian dollars, unless otherwise indicated) For the three months ended March 31

May 10, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant’s name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pri

May 10, 2024 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Lisa Peterson, the Chief Financial Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended March 31, 2024. 2. No misrepresentations: Based

May 10, 2024 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Daniel W. Wilton, Chief Executive Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended March 31, 2024. 2. No misrepresentations: Based o

May 9, 2024 EX-99.4

EX-99.4

EXHIBIT 99.4

May 9, 2024 EX-99.2

EX-99.2

EXHIBIT 99.2

May 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number 000-55607 FIRST MINING GOLD CORP. (Translation of registrant’s name into English) Suite 2070, 1188 West Georgia Street Vancouver, British Columbia V6E 4A2 Canada

May 9, 2024 EX-99.1

Notice of 2024 Annual General Meeting of Shareholders

EXHIBIT 99.1 Notice of 2024 Annual General Meeting of Shareholders When Thursday, June 20, 2024 at 10:00 a.m. (Pacific Time) Where 3rd Floor Boardroom at 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2. We will cover five items of business at our 2024 annual general meeting (the “Meeting”): · Receive our audited consolidated financial statements for the financial year ended December3

May 9, 2024 EX-99.3

EX-99.3

EXHIBIT 99.3

May 7, 2024 EX-99.1

VANCOUVER, BC, May 7, 2024 /CNW/ -

Exhibit 99.1 EARLY WARNING PRESS RELEASE IN RESPECT OF DISPOSITION OF COMMON SHARES OF TREASURY METALS INC. VANCOUVER, BC, May 7, 2024 /CNW/ - First Mining Gold Corp. ("First Mining") announces today that on May 6, 2024, it disposed of 4,539,000 common shares of Treasury Metals Inc. (TSX: TML) ("Treasury") at a price of $0.22 per share for gross proceeds of approximately $1.0 million through the f

May 7, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pri

May 1, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of pri

May 1, 2024 EX-99.1

First Mining Provides Update on 2024 Exploration Program at the Duparquet Gold Project

Exhibit 99.1 First Mining Provides Update on 2024 Exploration Program at the Duparquet Gold Project Phase 3 Drilling and Regional Systematic Data Capture Programs Underway VANCOUVER, BC, May 1, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce its 2024 exploration program plans at its Duparquet Gold Project ("Dup

April 5, 2024 EX-99.1

First Mining Announces Acquisition and Disposition of Common Shares of Big Ridge Gold Corp.

EXHIBIT 99.1 PRESS RELEASE First Mining Announces Acquisition and Disposition of Common Shares of Big Ridge Gold Corp. April 1, 2024 – Vancouver, Canada – First Mining Gold Corp. (“First Mining”) announces that on March 28, 2024, it acquired control and direction over an additional 10,000,000 common shares (“Common Shares”) of Big Ridge Gold Corp. (“Big Ridge”) and then immediately disposed of all

April 5, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 000-5560

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of p

April 4, 2024 EX-99.1

First Mining Announces Year-End 2023 Financial Results and Operating Highlights

Exhibit 99.1 First Mining Announces Year-End 2023 Financial Results and Operating Highlights VANCOUVER, BC, April 1, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) reports its fourth quarter and annual financial results for the year ended December 31, 2023. The audited consolidated financial statements, management's discussion and a

April 4, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 000-5560

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of p

April 1, 2024 EX-99.17

March 28, 2024

EXHIBIT 99.17 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.1

2070 – 1188 WEST GEORGIA STREET, VANCOUVER, BRITISH COLUMBIA V6E 4A2 WWW.FIRSTMININGGOLD.COM | 1-844-306-8827

EXHIBIT 99.1 TSX: FF OTCQX: FFMGF FRANKFURT: FMG ANNUAL INFORMATION FORM For the year ended December 31, 2023 Date: March 28, 2024 2070 – 1188 WEST GEORGIA STREET, VANCOUVER, BRITISH COLUMBIA V6E 4A2 WWW.FIRSTMININGGOLD.COM | 1-844-306-8827 CONTENTS Important information about this document 4 Reporting currency and financial information 4 Non-IFRS Financial Measures 4 Caution about forward-looking

April 1, 2024 EX-99.19

March 28, 2024

EXHIBIT 99.19 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.23

March 28, 2024

EXHIBIT 99.23 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.24

March 28, 2024

EXHIBIT 99.24 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.22

March 28, 2024

EXHIBIT 99.22 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.3

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG DISCUSSION & ANALYSIS FOR THE YEAR ENDED DECEMBER 31, 2023

EXHIBIT 99.3 TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG MANAGEMENT’S DISCUSSION & ANALYSIS FOR THE YEAR ENDED DECEMBER 31, 2023 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827 FIRST MINING GOLD CORP. Management’s Discussion & Analysis (Presented in Canadian dollars, unless otherwise indicated) For the three months and year ended Dece

April 1, 2024 EX-99.9

March 28, 2024

EXHIBIT 99.9 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commission

April 1, 2024 EX-99.5

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.5 CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Lisa Peterson, certify that: 1. I have reviewed this annual report on Form 40-F of First Mining Gold Corp.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under w

April 1, 2024 EX-99.7

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.7 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The undersigned, Lisa Peterson, hereby certifies, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: (a) the annual report on Form 40-F of First Mining Gold Corp. for the year ended December 31, 2023 fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934

April 1, 2024 EX-99.4

CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.4 CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Daniel W. Wilton, certify that: 1. I have reviewed this annual report on Form 40-F of First Mining Gold Corp.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances unde

April 1, 2024 EX-99.20

March 28, 2024

EXHIBIT 99.20 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.6

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

EXHIBIT 99.6 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The undersigned, Daniel W. Wilton, hereby certifies, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: (a) the annual report on Form 40-F of First Mining Gold Corp. for the year ended December 31, 2023 fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1

April 1, 2024 EX-99.12

March 28, 2024

EXHIBIT 99.12 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.14

March 28, 2024

EXHIBIT 99.14 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.8

March 28, 2024

EXHIBIT 99.8 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commission

April 1, 2024 EX-99.13

March 28, 2024

EXHIBIT 99.13 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.16

March 28, 2024

EXHIBIT 99.16 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.18

March 28, 2024

EXHIBIT 99.18 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.2

First Mining Gold Corp. Consolidated Financial Statements For the years ended December 31, 2023 and 2022 (Presented in thousands of Canadian dollars unless otherwise noted)

EXHIBIT 99.2 First Mining Gold Corp. Consolidated Financial Statements For the years ended December 31, 2023 and 2022 (Presented in thousands of Canadian dollars unless otherwise noted) Report of Independent Registered Public Accounting Firm To the Shareholders and Board of Directors of First Mining Gold Corp. Opinion on the Financial Statements We have audited the accompanying consolidated statem

April 1, 2024 EX-99.26

March 28, 2024

EXHIBIT 99.26 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Technical Information in Annual Report on Form 40-F and Annual Information Form This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United State

April 1, 2024 EX-99.25

March 28, 2024

EXHIBIT 99.25 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Technical Information in Annual Report on Form 40-F and Annual Information Form This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United State

April 1, 2024 EX-99.10

March 28, 2024

EXHIBIT 99.10 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.27

Consent of Independent Registered Public Accounting Firm

EXHIBIT 99.27 Consent of Independent Registered Public Accounting Firm We hereby consent to the incorporation by reference in this Annual Report on Form 40-F for the year ended December 31, 2023 of First Mining Gold Corp. of our report dated March 27, 2024, relating to the consolidated financial statements, which appears in Exhibit 99.2 incorporated by reference in this Annual Report on Form 40-F.

April 1, 2024 EX-99.15

March 28, 2024

EXHIBIT 99.15 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 40-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 40-F ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13(a) OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 Commission File Number 000-55607 FIRST MINING GOLD CORP. (Exact name of registrant as specifie

April 1, 2024 EX-99.11

March 28, 2024

EXHIBIT 99.11 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

April 1, 2024 EX-99.21

March 28, 2024

EXHIBIT 99.21 March 28, 2024 VIA EDGAR United States Securities and Exchange Commission Re: First Mining Gold Corp. (the “Company”) Annual Report on Form 40-F Consent of Expert This letter is provided in connection with the Company’s Form 40-F annual report for the year ended December 31, 2023 (the “Annual Report”) to be filed by the Company with the United States Securities and Exchange Commissio

February 28, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

February 28, 2024 EX-99.1

First Mining Provides Update on Temporary Winter Road

Exhibit 99.1 First Mining Provides Update on Temporary Winter Road First Mining Receives Important Safety Permits for Temporary Winter Road at Springpole Exploration Camp Cat Lake First Nation Notifies First Mining of its Intention to Challenge MNRF's Issuance of the Permits and Interim Interim Stay Issued VANCOUVER, BC, Feb. 26, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company

February 23, 2024 EX-99.1

First Mining Announces Final 2023 Exploration Drilling Results and Commencement of 2024 Drill Program at the Duparquet Gold Project

Exhibit 99.1 First Mining Announces Final 2023 Exploration Drilling Results and Commencement of 2024 Drill Program at the Duparquet Gold Project Highlights include new zone of mineralization extension returning 1.83 g/t Au over 7 m – extending mineralization 200 m along strike VANCOUVER, BC, Feb. 22, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (F

February 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

February 5, 2024 SC 13G/A

CA:FF / First Mining Gold Corp. / SUN VALLEY GOLD LLC Passive Investment

SC 13G/A 1 d1097315413g-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* First Mining Gold Corp. (Name of Issuer) Common Shares, no par value (Title of Class of Securities) 320890106 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box t

January 24, 2024 F-10/A

As filed with the Securities and Exchange Commission on January 23, 2024

As filed with the Securities and Exchange Commission on January 23, 2024 Registration No.

January 24, 2024 EX-4.7

Form 51-102F3 Material Change Report

EXHIBIT 4.7 Form 51-102F3 Material Change Report Item 1 Name and Address of Company First Mining Gold Corp. (the “Company”) Suite 2070 1188 West Georgia St. Vancouver, British Columbia V6E 4A2 Item 2 Date of Material Change November 21, 2023 Item 3 News Release A news release announcing the material change was disseminated on November 21, 2023 through the facilities of CISION/Newswire and was subs

January 24, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 000-55

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

January 24, 2024 EX-99.1

First Mining Files Final Base Shelf Prospectus and Registration Statement

Exhibit 99.1 First Mining Files Final Base Shelf Prospectus and Registration Statement VANCOUVER, BC, Jan. 24, 2024 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) announces that it has obtained a receipt for as final short form base shelf prospectus (the "Final Shelf Prospectus") filed with the securities regulatory authorities in each o

January 24, 2024 EX-5.23

First Mining Gold Corp.

EXHIBIT 5.23 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report and Mineral Resource Estimate Update for the Duparquet Project, Quebec, Canada”, dated October 6, 2022

January 24, 2024 EX-4.8

Form 51-102F3 Material Change Report

EXHIBIT 4.8 Form 51-102F3 Material Change Report Item 1 Name and Address of Company First Mining Gold Corp. (the “Company”) Suite 2070 1188 West Georgia St. Vancouver, British Columbia V6E 4A2 Item 2 Date of Material Change December 7, 2023 Item 3 News Release A news release announcing the material change was disseminated on December 7, 2023 through the facilities of CISION/Newswire and was subseq

January 10, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 000-55607

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street Vancouver, B.C. V6E 4A2 Canada (Address

January 10, 2024 EX-99.1

Form 51-102F3 Material Change Report

EXHIBIT 99.1 Form 51-102F3 Material Change Report Item 1 Name and Address of Company First Mining Gold Corp. (the “Company”) Suite 2070 1188 West Georgia St. Vancouver, British Columbia V6E 4A2 Item 2 Date of Material Change January 19, 2024 Item 3 News Release A news release announcing the material change was disseminated on January 9, 2024 through the facilities of CISION/Newswire and was subseq

January 9, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 000-55

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2024 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

January 9, 2024 EX-99.1

First Mining Confirms New Area of Mineralization at Central Duparquet and Announces Management Changes

Exhibit 99.1 First Mining Confirms New Area of Mineralization at Central Duparquet and Announces Management Changes Exploration Between Central Duparquet and Dumico Resource Areas Returns 1.71 g/t Au over 8.9 m, Confirming Strike Continuity Central Duparquet High Grade Zone Returns 2.73 g/t Au over 6.15 m, Unlocking Mineralization Potential at Depth VANCOUVER, BC, Jan. 9, 2024 /CNW/ - First Mining

December 22, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

December 22, 2023 EX-99.1

First Mining Files Preliminary Base Shelf Prospectus and Registration Statement

Exhibit 99.1 First Mining Files Preliminary Base Shelf Prospectus and Registration Statement VANCOUVER, BC, Dec. 21, 2023 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) announces that it has filed a preliminary short form base shelf prospectus (the "Preliminary Shelf Prospectus") with the securities regulatory authorities in each of the

December 21, 2023 EX-5.7

First Mining Gold Corp.

EXHIBIT 5.7 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report and Pre-Feasibility Study on the Springpole Gold Project, Ontario, Canada” with an effective date of Ja

December 21, 2023 EX-5.8

First Mining Gold Corp.

EXHIBIT 5.8 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “Technical Report on the Cameron Gold Deposit, Ontario, Canada” with an effective date of January 17, 2017 (the “Report”), and (ii)

December 21, 2023 EX-5.20

First Mining Gold Corp.

EXHIBIT 5.20 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report - Preliminary Economic Assessment for the Duparquet Project, Quebec, Canada”, dated October 20, 2023 w

December 21, 2023 EX-5.10

First Mining Gold Corp.

EXHIBIT 5.10 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of the written disclosure incorporated by reference into First Mining Gold Corp.’s Registration Statement on Form F-10 (File No. ·) (the “Registration Statement”), including extracts from or s

December 21, 2023 EX-5.3

First Mining Gold Corp.

EXHIBIT 5.3 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report and Pre-Feasibility Study on the Springpole Gold Project, Ontario, Canada” with an effective date of Ja

December 21, 2023 EX-5.5

First Mining Gold Corp.

EXHIBIT 5.5 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report and Pre-Feasibility Study on the Springpole Gold Project, Ontario, Canada” with an effective date of Ja

December 21, 2023 EX-5.21

First Mining Gold Corp.

EXHIBIT 5.21 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “Technical Report on the Mineral Resource Estimate Update for the Hope Brook Gold Project, Newfoundland and Labrador, Canada” with

December 21, 2023 F-X

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-X APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-X APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING A. Name of issuer or person filing (“Filer”): First Mining Gold Corp. B. (1) This is (check one): ☒ An original filing for the Filer. ☐ An amended filing for the Filer. (2) Check the following box if you are filing the Form F-X in paper in accordance with Reg

December 21, 2023 EX-5.17

First Mining Gold Corp.

EXHIBIT 5.17 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report - Preliminary Economic Assessment for the Duparquet Project, Quebec, Canada”, dated October 20, 2023 w

December 21, 2023 EX-5.22

First Mining Gold Corp.

EXHIBIT 5.22 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “Technical Report on the Mineral Resource Estimate Update for the Hope Brook Gold Project, Newfoundland and Labrador, Canada” with

December 21, 2023 EX-5.16

First Mining Gold Corp.

EXHIBIT 5.16 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report - Preliminary Economic Assessment for the Duparquet Project, Quebec, Canada”, dated October 20, 2023 w

December 21, 2023 EX-5.15

First Mining Gold Corp.

EXHIBIT 5.15 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report - Preliminary Economic Assessment for the Duparquet Project, Quebec, Canada”, dated October 20, 2023 w

December 21, 2023 EX-FILING FEES

Calculation of Filing Fee Tables FORM F-10 (Form Type) FIRST MINING GOLD CORP. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

EXHIBIT 107 EX-FILING FEES Calculation of Filing Fee Tables FORM F-10 (Form Type) FIRST MINING GOLD CORP.

December 21, 2023 EX-5.14

First Mining Gold Corp.

EXHIBIT 5.14 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report - Preliminary Economic Assessment for the Duparquet Project, Quebec, Canada”, dated October 20, 2023 w

December 21, 2023 EX-5.4

First Mining Gold Corp.

EXHIBIT 5.4 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report and Pre-Feasibility Study on the Springpole Gold Project, Ontario, Canada” with an effective date of Ja

December 21, 2023 EX-5.18

First Mining Gold Corp.

EXHIBIT 5.18 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report - Preliminary Economic Assessment for the Duparquet Project, Quebec, Canada”, dated October 20, 2023 w

December 21, 2023 F-10

As filed with the Securities and Exchange Commission on December 21, 2023

As filed with the Securities and Exchange Commission on December 21, 2023 Registration No.

December 21, 2023 EX-5.6

First Mining Gold Corp.

EXHIBIT 5.6 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report and Pre-Feasibility Study on the Springpole Gold Project, Ontario, Canada” with an effective date of Ja

December 21, 2023 EX-5.13

First Mining Gold Corp.

EXHIBIT 5.13 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report - Preliminary Economic Assessment for the Duparquet Project, Quebec, Canada”, dated October 20, 2023 w

December 21, 2023 EX-5.11

First Mining Gold Corp.

EXHIBIT 5.11 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of the written disclosure incorporated by reference into First Mining Gold Corp.’s Registration Statement on Form F-10 (File No. ·) (the “Registration Statement”), including extracts from or s

December 21, 2023 EX-5.19

First Mining Gold Corp.

EXHIBIT 5.19 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report - Preliminary Economic Assessment for the Duparquet Project, Quebec, Canada”, dated October 20, 2023 w

December 21, 2023 EX-5.9

First Mining Gold Corp.

EXHIBIT 5.9 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “An Updated Mineral Resource Estimate for the Pickle Crow Property, Patricia Division, Northwestern Ontario, Canada” dated June 15,

December 21, 2023 EX-5.12

First Mining Gold Corp.

EXHIBIT 5.12 First Mining Gold Corp. Suite 2070 – 1188 West Georgia Street Vancouver, B.C. V6E 4A2 I hereby consent to the (i) use of my name in connection with reference to my involvement in the preparation of certain technical information found in the report entitled “NI 43-101 Technical Report - Preliminary Economic Assessment for the Duparquet Project, Quebec, Canada”, dated October 20, 2023 w

December 7, 2023 EX-99.1

/NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/

Exhibit 99.1 First Mining Closes Final Tranche of Upsized $10.8 Million Equity Financing /NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/ VANCOUVER, BC, Dec. 7, 2023 /CNW/ - Canada – First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that it has further upsized and closed its

December 7, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

December 5, 2023 EX-99.1

First Mining Discovers New High-Grade Gold Occurrences at its Birch-Uchi Greenstone Belt Project

Exhibit 99.1 First Mining Discovers New High-Grade Gold Occurrences at its Birch-Uchi Greenstone Belt Project VANCOUVER, BC, Dec. 5, 2023 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce the discovery of new gold occurrences confirmed from rock sampling assay results from its 2023 exploration program at its Birch-Uch

December 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

November 22, 2023 EX-99.1

/NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/

Exhibit 99.1 First Mining Closes First Tranche of Upsized Equity Financing /NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/ VANCOUVER, BC, Nov. 21, 2023 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that due to demand, the Company has upsized its $5 million non-b

November 22, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

November 13, 2023 EX-99.4

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.4 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Lisa Peterson, the Chief Financial Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended September 30, 2023. 2. No misrepresentations: Ba

November 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

November 13, 2023 EX-99.1

First Mining Announces Third Quarter 2023 Financial Results and Operating Highlights

Exhibit 99.1 First Mining Announces Third Quarter 2023 Financial Results and Operating Highlights VANCOUVER, BC, Nov. 13, 2023 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) reports its third quarter 2023 results for the quarter ended September 30, 2023. The financial statements and management's discussion and analysis ("MD&A") are avail

November 13, 2023 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Daniel W. Wilton, Chief Executive Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended September 30, 2023. 2. No misrepresentations: Bas

November 13, 2023 EX-99.2

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG DISCUSSION & ANALYSIS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2023 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827

EXHIBIT 99.2 TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG MANAGEMENT’S DISCUSSION & ANALYSIS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2023 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827 FIRST MINING GOLD CORP. Management’s Discussion & Analysis (Expressed in Canadian dollars, unless otherwise indicated) For the three and nine

November 13, 2023 EX-99.1

First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three and nine months ended September 30, 2023 and 2022 (Expressed in thousands of Canadian dollars unless otherwise noted)

EXHIBIT 99.1 First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three and nine months ended September 30, 2023 and 2022 (Expressed in thousands of Canadian dollars unless otherwise noted) (Unaudited) FIRST MINING GOLD CORP. CONDENSED INTERIM CONSOLIDATED STATEMENTS OF FINANCIAL POSITION AS AT SEPTEMBER 30, 2023 AND DECEMBER 31, 2022 (Unaudited - Expressed in thousa

November 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 000-5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant’s name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address o

October 26, 2023 EX-99.1

/NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/

Exhibit 99.1 First Mining Announces $5 Million Equity Financing /NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES/ VANCOUVER, BC, Oct. 26, 2023 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that it intends to complete an equity financing by way of a non-brokered pr

October 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 000-55

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

October 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 000-55

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

October 26, 2023 EX-99.1

Area (Potential mining

Exhibit 99.1 First Mining Files Technical Report for the Positive Preliminary Economic Assessment for the Duparquet Gold Project, Quebec, Canada VANCOUVER, BC, Oct. 23, 2023 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that the Company has filed on SEDAR+ an independent Preliminary Economic Assessment ("PEA") tec

October 20, 2023 EX-99.1

Letter to shareholders holders

EXHIBIT 99.1 Letter to shareholders holders Notice of 2023 Annual General Meeting of Shareholders When Wednesday, June 14, 2023 at 10:00 a.m. (Pacific Time) Where At our offices, which are located at 1188 West Georgia Street, 3rd Floor Boardroom, Vancouver, British Columbia V6E 4A2. We will cover five items of business at our 2023 annual general meeting (the “Meeting”): · Receive our audited conso

October 20, 2023 EX-99.4

NOTICE AND ACCESS NOTIFICATION TO SHAREHOLDERS ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON WEDNESDAY, JUNE 14, 2023

EXHIBIT 99.4 NOTICE AND ACCESS NOTIFICATION TO SHAREHOLDERS ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON WEDNESDAY, JUNE 14, 2023 You are receiving this notification as First Mining Gold Corp. (“First Mining,” the “Company”, “we”, “us” or “our”) is using the notice and access model (“Notice and Access”) for the delivery of meeting materials to our shareholders for the annual general meetin

October 20, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number 000-556

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023 Commission File Number 000-55607 FIRST MINING GOLD Corp. (Translation of registrant’s name into English) Suite 2070, 1188 West Georgia Street Vancouver, British Columbia V6E 4A2 Ca

October 20, 2023 EX-99.2

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG NOTICE OF MEETING MANAGEMENT INFORMATION CIRCULAR for the ANNUAL GENERAL MEETING OF SHAREHOLDERS to be held on JUNE 14, 2023 Dated as of May 1, 2023

EXHIBIT 99.2 TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG NOTICE OF MEETING and MANAGEMENT INFORMATION CIRCULAR for the ANNUAL GENERAL MEETING OF SHAREHOLDERS to be held on JUNE 14, 2023 Dated as of May 1, 2023 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827 About First Mining Headquartered in Vancouver, British Columbia, First Mining

October 20, 2023 EX-99.3

EX-99.3

EXHIBIT 99.3 1 2

September 22, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 000-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address

September 22, 2023 EX-99.1

First Mining Hosts Collaborative Community Information Sharing Session at Duparquet

Exhibit 99.1 First Mining Hosts Collaborative Community Information Sharing Session at Duparquet VANCOUVER, BC, Sept. 22, 2023 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce that it carried out a productive and transparent information sharing initiative with the citizens of the Municipality of Duparquet regarding t

September 7, 2023 EX-99.1

Pre-Tax NPV5% of C$1.07 billion, After-Tax NPV5% of C$588 million Pre-Tax IRR of 24.9%, After-Tax IRR of 18.0% Average LOM Annual Gold Production of 233 koz with AISC of US$976/oz over 11-year LOM

Exhibit 99.1 First Mining Announces Positive Preliminary Economic Assessment for the Duparquet Gold Project, Quebec, Canada Pre-Tax NPV5% of C$1.07 billion, After-Tax NPV5% of C$588 million Pre-Tax IRR of 24.9%, After-Tax IRR of 18.0% Average LOM Annual Gold Production of 233 koz with AISC of US$976/oz over 11-year LOM VANCOUVER, BC, Sept. 7, 2023 /CNW/ - First Mining Gold Corp. ("First Mining" or

September 7, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 000-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address

September 6, 2023 EX-99.1

First Mining Defines New Gold Zone with 6.52 g/t Au over 4.6 Metres in Initial Drilling Campaign at the Duparquet Gold Project

Exhibit 99.1 First Mining Defines New Gold Zone with 6.52 g/t Au over 4.6 Metres in Initial Drilling Campaign at the Duparquet Gold Project VANCOUVER, BC, Sept. 5, 2023 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce the confirmation of a new gold zone based on initial results from its Phase I exploration drilling p

September 6, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 000-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address

August 10, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 000-556

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 000-55607 First Mining Gold Corp. (Translation of registrant's name into English) Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2 (Address of

August 10, 2023 EX-99.1

First Mining Announces Second Quarter 2023 Financial Results and Operating Highlights

Exhibit 99.1 First Mining Announces Second Quarter 2023 Financial Results and Operating Highlights VANCOUVER, BC, Aug. 10, 2023 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) reports its second quarter 2023 results for the quarter ended June 30, 2023. The financial statements and management's discussion and analysis ("MD&A") are availabl

August 9, 2023 EX-99.1

First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three and six months ended June 30, 2023 and 2022 (Expressed in thousands of Canadian dollars unless otherwise noted)

EXHIBIT 99.1 First Mining Gold Corp. Condensed Interim Consolidated Financial Statements For the three and six months ended June 30, 2023 and 2022 (Expressed in thousands of Canadian dollars unless otherwise noted) (Unaudited) 1 FIRST MINING GOLD CORP. CONDENSED INTERIM CONSOLIDATED STATEMENTS OF FINANCIAL POSITION AS AT JUNE 30, 2023 AND DECEMBER 31, 2022 (Unaudited - Expressed in thousands of Ca

August 9, 2023 EX-99.2

TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG DISCUSSION & ANALYSIS FOR THE SIX MONTHS ENDED JUNE 30, 2023

EXHIBIT 99.2 TSX: FF | OTCQX: FFMGF | FRANKFURT: FMG MANAGEMENT’S DISCUSSION & ANALYSIS FOR THE SIX MONTHS ENDED JUNE 30, 2023 Suite 2070 – 1188 West Georgia Street, Vancouver, British Columbia V6E 4A2 www.firstmininggold.com | 1-844-306-8827 FIRST MINING GOLD CORP. (Expressed in Canadian dollars, unless otherwise indicated) Management’s Discussion & Analysis For the six months ended June 30, 2023

August 9, 2023 EX-99.3

FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE

EXHIBIT 99.3 FORM 52-109F2 CERTIFICATION OF INTERIM FILINGS FULL CERTIFICATE I, Daniel W. Wilton, Chief Executive Officer of First Mining Gold Corp., certify the following: 1. Review: I have reviewed the interim financial report and interim MD&A (together, the “interim filings”) of First Mining Gold Corp. (the “issuer”) for the interim period ended June 30, 2023. 2. No misrepresentations: Based on

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