• Drill gap SP24-007 returns 0.83 g/t Au and eight.02 g/t Ag over 52.50 m and nil.61 g/t Au and four.66 g/t Ag over 46.50 m

VANCOUVER, BC, Nov. 19, 2024 /PRNewswire/ – First Mining Gold Corp. (“First Mining” or the “Company”) (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is happy to announce drilling effects from the primary gap of the 2024 East Extension diamond drilling program at its Springpole Gold Challenge (“Springpole Project” or the “Project“) positioned in northwestern Ontario, Canada. Highlights from the preliminary drill gap SP24-007 within the Springpole East Extension goal segment come with please see vital intercepts:

• 0.83 g/t Au and eight.02 g/t Ag over 52.50 m
• 0.61 g/t Au and four.66 g/t Ag over 46.50 m
• 6.46 g/t Au and 34.87 g/t Ag over 1.10 m

The East Extension drill program demonstrates the possibility of vital useful resource enlargement alternatives akin the stream proposed japanese pit wall on the Springpole Challenge. The Japanese Extension goal has been recognized by way of First Mining throughout the integration of more than one information units, together with complicated structural research, surficial geological mapping, acoustic televiewer information, geophysical information, and historic drill gap information, to replace a 3-D concentrated on style. Gold and silver grades returned to month within the 2024 drill program are typically consultant of the established useful resource grades and as such validate a powerful alternative for possible useful resource additions.

“These drilling results are very encouraging for our Springpole Gold Project,” said Dan Wilton, CEO of First Mining Gold. “The extension of mineralization within the existing pit shell is especially significant, as it demonstrates potential for resource growth within the existing project footprint.  With an existing resource base of 4.6 Moz of gold and 24.3 Moz of silver in the Indicated category and 300 koz of gold and 1.4 Moz of silver in the Inferred category, and a PFS that demonstrates an already robust mine life and production profile, new potential resource growth will further establish Springpole as a cornerstone development asset in northwest Ontario. With the final environmental impact statement and environmental assessment submitted, we believe the Springpole Project will provide significant sustainable long-term benefits to the region.”

The Segment 1 drill program on the Springpole East Extension goal commenced in September 2024, with 5 drillholes totaling 2,293 m finished to month. Assays from the excess 4 holes are nonetheless pending. This program examined a key segment of the objective, that specialize in fast useful resource growth alternatives on the Springpole Challenge.

The Japanese Extension goal is positioned on the southeastern boundary of the stream mineral useful resource and proposed pit wall design. A plan map of the Japanese Extension segment and preliminary drill gap is gifted in Determine 1, and corresponding assay highlights are offered in Desk 1, with complete assay effects indexed in Desk 2 and drill gap places in Desk 3.

Desk 1:  Vital Drill Intercepts, 2024 Segment 1 Drill Program – Japanese Extension Goal, Springpole Challenge

Spare Main points at the Springpole East Extension Drilling Program

The Japanese Extension drilling is considering a 150 m crash segment alongside the southeastern fringe of the stream mineral useful resource (Determine 1). In 2023, First Mining recognized the Japanese Extension goal thru complicated 3-D goal modelling, which highlighted a theorized easterly curve to the southern finish of the primary Portage Zone. Knowledge supporting the up to date goal style comprises televiewer foliation information, geophysical information, historic drill gap information, geological mapping, in addition to information from a sophisticated structural mapping marketing campaign. Drill gap SP24-007 was once designed to check this newly up to date goal style and resulted within the 3 vital intercepts highlighted in Determine 2.

Mineralization in SP24-007 is hosted inside of silicified and sericitized-altered intermediate volcanic/breccia gadgets, and medium-grained trachyte. Mineralization is composed principally of 2-5% fine-grained, disseminated and fracture-controlled pyrite all the way through the host gadgets. Minor quantities of sphalerite, galena, chalcopyrite and tellurides had been seen, principally inside of quartz and quartz carbonate veining that incorporates between 1-5% of the core. Upper-grade durations (> 2 g/t Au) are extra related to mineralized brecciated quartz carbonate veining, and/or as much as 10% fine-grained disseminated pyrite.

The 2024 drilling marketing campaign additional outlined and examined the up to date 3-D concentrated on style throughout the Japanese Extension segment for fast useful resource enlargement possible. The untouched goal segment left-overs unhidden alongside crash against the south and southeast of the primary Portage Zone and has the possible so as to add significant mineralization extensions or backup zones related to the stream Springpole Challenge, as illustrated in Determine 3.

Springpole Challenge and Birch-Uchi Gold Challenge 2024 Exploration Methods

The principle targets of the 2024 exploration techniques on the Springpole Challenge are considering information assortment, interpretation, and advancing the figuring out of the East Extension goal. Q4, First Mining initiated a five-hole Segment 1 drill program, for which ultimate assays are anticipated to be returned thru to pace finish. Upcoming steps on this program shall be information overview, integration and 3-D style replace to assistance follow-up drilling for the East Extension goal, in addition to advancing backup brownfield exploration alternatives for the Challenge going forward.

Regional ground paintings techniques at First Mining’s situation Birch-Uchi Gold Challenge have additionally concluded for 2024 and assays are nonetheless pending for week updates. Paintings techniques incorporated prospecting, ground sampling, mapping and channel sampling at key possibilities.

Desk 2: 2024 Segment 1 Drill Program, Japanese Extension Springpole Challenge – Vital Assays

Desk 3: Segment 1 Drill Hollow Places, Springpole East Extension Goal

Springpole Gold Challenge

The Springpole Challenge hosts a vital gold and silver useful resource in a bulk tonnage, low-grade porphyry to epithermal-style bank this is related to the emplacement of an alkali trachyte intrusive advanced. Mineralization kinds come with disseminated gold-silver-sulphide mineralization this is homogeneous to more than one levels of a trachyte porphyry advanced and numerous related breccias dykes and sills. The stream mineral useful resource for the Springpole Challenge incorporates an Indicated Useful resource of 151 Mt at 0.94 g/t Au and 5.0 g/t Ag, totalling 4.6 million oz. of gold and 24.3 million oz. of silver, and an Inferred Useful resource of 16 Mt at 0.54 g/t Au and a couple of.8 g/t Ag, totalling 0.3 million oz. of gold and 1.4 million oz. of silver, together with Possible Mineral Reserves of 121.6 Mt at 0.97 g/t Au and 5.23 g/t Ag totalling 3.8 million oz. gold and 20.5 million oz. of silver. Additional main points at the Springpole Challenge mineral useful resource and reserves can also be present in  the technical document entitled “NI 43-101 Technical Report and Pre-Feasibility Study on the Springpole Gold Project, Ontario, Canada“, which was once ready for First Mining by way of AGP Mining Experts Inc. (“AGP”) in line with Nationwide Tool 43-101 Requirements of Disclosure for Mineral Tasks (“NI 43-101”) and has an efficient month of January 20, 2021. First Mining has now commenced actions to assistance a Feasibility Learn about at the Challenge.

Analytical Laboratory and QA/QC Procedures

All sampling finished by way of First Mining inside of its exploration techniques is matter to a Corporate same old of inner property regulate and property word of honour (QA/QC) techniques which come with the insertion of qualified reference fabrics, deserted fabrics and a degree of reproduction research. Core samples from the 2024 drilling program on the Springpole Challenge had been despatched to AGAT Laboratories, with pattern preparation and research in Thunder Bay, Ontario, the place they had been processed for gold research by way of 50 gram hearth assay with an atomic absorption end. Samples had been additionally despatched to AGAT Laboratories in Calgary, Alberta, for multi-element research (together with silver) by way of inductively coupled plasma (ICP) mode with an H2O regia digest. AGAT Laboratories techniques comply with necessities of ISO/IEC Same old 17025 tips and meets assay necessities defined for NI 43-101.

Certified Particular person

Hazel Mullin, P.Geo., Director, Knowledge Control and Technical Products and services of First Mining, is a “Qualified Person” for the needs of NI 43-101 Requirements of Disclosure for Mineral Tasks, and he or she has reviewed and licensed the clinical and technical disclosure contained on this information leave.

About First Mining Gold Corp. 

First Mining is a gold developer advancing two of the biggest gold tasks in Canada, the Springpole Gold Challenge in northwestern Ontario, the place we’ve commenced a feasibility learn about and allowing actions are on-going with a last Environmental Have an effect on Commentary / Environmental Evaluation for the undertaking submitted in November 2024, and the Duparquet Gold Challenge in Quebec, a PEA-stage building undertaking positioned at the Destor-Porcupine Fault Zone within the prolific Abitibi area. First Mining additionally owns the Cameron Gold Challenge in Ontario and a portfolio of gold undertaking pursuits together with the Pickle Crow Gold Challenge (being complicated in partnership with Firefly Metals Ltd.) and the Hope Brook Gold Challenge (being complicated in partnership with Bulky Ridge Gold Corp.).

First Mining was once established in 2015 by way of Mr. Keith Neumeyer, forming President and CEO of First Lofty Silver Corp.

ON BEHALF OF FIRST MINING GOLD CORP.

Daniel W. Wilton
Leading Govt Officer and Director

Cautionary Be aware Referring to Ahead-Taking a look Statements

This information leave comprises sure “forward-looking information” and “forward-looking statements” (jointly “forward-looking statements”) throughout the which means of acceptable Canadian and United States securities regulation together with the USA Personal Securities Litigation Reform Function of 1995. Those forward-looking statements are made as of the month of this information leave. Ahead-looking statements are steadily, however now not at all times, recognized by way of phrases similar to “expects”, “anticipates”, “believes”, “plans”, “projects”, “intends”, “estimates”, “envisages”, “potential”, “possible”, “strategy”, “goals”, “opportunities”, “objectives”, or permutations thereof or declaring that sure movements, occasions or effects “may”, “could”, “would”, “might” or “will” be taken, happen or be completed, or the unfavourable of any of those phrases and matching expressions.

Ahead-looking statements on this information leave relate to week occasions or week efficiency and mirror stream estimates, predictions, expectancies or ideals relating to week occasions.  All forward-looking statements are in accordance with First Mining’s or its experts’ stream ideals in addition to diverse guesses made by way of them and knowledge recently to be had to them. There can also be incorrect word of honour that such statements will end up to be correct, and latest effects and week occasions may just range materially from the ones expected in such statements. Ahead-looking statements mirror the ideals, evaluations and projections at the month the statements are made and are primarily based upon numerous guesses and estimates that, pace thought to be affordable by way of the respective events, are inherently matter to vital industry, financial, aggressive, political and social uncertainties and contingencies. Such elements come with, with out limitation the Corporate’s industry, operations and monetary status probably being materially adversely suffering from the outbreak of epidemics, pandemics or alternative fitness crises, similar to COVID-19, and by way of reactions by way of govt and personal actors to such outbreaks; dangers to worker fitness and protection on account of the outbreak of epidemics, pandemics or alternative fitness crises, similar to COVID-19, that can lead to a slowdown or brief postponed of operations at some or the entire Corporate’s mineral homes in addition to its head workplace; fluctuations within the spot and ahead value of gold, silver, bottom metals or sure alternative commodities; fluctuations within the forex markets (such because the Canadian buck as opposed to the U.S. buck); adjustments in nationwide and native govt, regulation, taxation, controls, rules and political or financial traits; dangers and hazards related to the industry of mineral exploration, building and mining (together with environmental hazards, business injuries, bizarre or surprising formations, pressures, cave-ins and spillage); the presence of regulations and rules that can impose restrictions on mining; worker family members; relationships with and claims by way of native communities, indigenous populations and alternative stakeholders; availability and lengthening prices related to mining inputs and labour; the speculative nature of mineral exploration and building; name to homes.; and the backup dangers described within the Corporate’s Annual Knowledge Method for the pace ended December 31, 2023 filed with the Canadian securities regulatory government below the Corporate’s SEDAR profile at www.sedar.com, and within the Corporate’s Annual Record on Method 40-F filed with the SEC on EDGAR.

First Mining cautions that the foregoing listing of things that can have an effect on week effects isn’t exhaustive. When depending on our forward-looking statements to build choices with admire to First Mining, traders and others must in moderation believe the foregoing elements and alternative uncertainties and possible occasions. First Mining does now not adopt to replace any forward-looking remark, whether or not written or oral, that can be constructed from month to month by way of the Corporate or on our behalf, except for as required by way of legislation. 

Cautionary Be aware to United States Traders 

The Corporate is a “foreign private issuer” as outlined in Rule 3b-4 below the USA Securities Trade Function of 1934, as amended, and is eligible to depend on the Canada-U.S. Multi-Jurisdictional Disclosure Device, and is due to this fact authorized to organize the technical data contained herein in line with the necessities of the securities regulations in impact in Canada, which range from the necessities of the securities regulations recently in impact in the USA. Accordingly, data regarding mineral deposits eager forth herein might not be similar with data made family by way of corporations that document in line with U.S. requirements.

Technical disclosure contained on this information leave has now not been ready in line with the necessities of United States securities regulations and makes use of phrases that conform to reporting requirements in Canada with sure estimates ready in line with NI 43-101.

NI 43-101 is a rule evolved by way of the Canadian Securities Directors that establishes requirements for all family disclosure an issuer makes of clinical and technical data regarding the issuer’s subject matter mineral tasks.

SOURCE First Mining Gold Corp.

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