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VANCOUVER, BC – TheNewswire - November 27, 2025 – Heritage Mining Ltd. (CSE:HML) (FRA:Y66) (“Heritage ” or the “Company ”) is pleased to announce that further to its news release dated November 18, 2025, the Company has closed a first tranche of the non-brokered private placement (the “Offering ”) of units (“Units ”) and flow-through units (“FT Units ”) for gross proceeds of  $500,000.99.

Pursuant to the closing of the first tranche, the Company has issued 2,000,000 Units of the Company at a price of $0.025 per Unit, for aggregate gross proceeds of $50,000 and 16,071,464 FT Units of the Company at a price of $0.028 per FT Unit, for aggregate gross proceeds of $450,000.99.

Each Unit consists of one common share in the capital of the Company (“Common Share ”) and one Common Share purchase warrant (a “Warrant ”). Each FT Unit consists of one Common Share which will qualify as a “flow-through share” as defined in subsection 66(15) of the Income Tax Act (Canada) and one Warrant.

The gross proceeds from the FT Units will be used by the Company to incur eligible "Canadian exploration expenses" that qualify as "flow-through mining expenditures" as both terms are defined in the Income Tax Act (Canada). The Company also intends that such expenses incurred will be eligible for the Critical Mineral Exploration Tax Credit.

Each Warrant will entitle the holder to acquire one Common Share (each, a “Warrant Share ”) at an exercise price of $0.05 per Warrant Share until 4:30 pm (Pacific Standard time) on that date that is 60 months from the closing date of the Offering (the “Expiry Time”).

Proceeds of the Offering will be used to fund the Company’s planned exploration and drilling programs on its Drayton-Black Lake Project and Contact Bay and general working capital. The securities issued pursuant to the Offering will be subject to a four month hold period under applicable securities laws.

In connection with the closing of the first tranche, the Company paid finders’ fees to eligible finders consisting of $31,500.07 in cash and 1,125,003 compensation unit warrants (“Compensation Unit Warrants ”)  Each Compensation Unit Warrant will entitle the holder to acquire one Common Share and one Warrant of the Company at an exercise price of $0.05, for a period of 60 months following the Closing Date.

A Finder’s Fee equal to 1.0% cash compensation on the number of Units or FT Shares, as applicable, issued pursuant to a President’s list the Offering may be payable on certain orders in accordance with CSE rules.

“This prompt closing of the first tranche allows Heritage Mining to maintain its exploration momentum, with our primary focus remaining on the Melba Project. We appreciate the continued support of both new and existing stakeholders and look forward to completing the final tranche in short order.” Commented Peter Schloo, President, CEO, and Director.

ABOUT HERITAGE MINING LTD.

The Company is a Canadian mineral exploration company with multiple projects across northern Ontario Canada advancing its two high grade gold-silver-copper projects in Northwestern Ontario. The Melba Project is located in the Timmins/Kirkland Lake Area in Northeastern Ontario Canada. The Drayton-Black Lake and the Contact Bay are located near Sioux Lookout in the underexplored Eagle-Wabigoon-Manitou Greenstone Belt. The Scattergood project is located ~40km south of Dryden . Both projects benefit from a wealth of historic data, excellent site access and logistical support from the local community.

For further information, please contact:

Heritage Mining Ltd.

Peter Schloo, CPA, CA, CFA

President, CEO and Director

Phone: (905) 505-0918

Email: peter@heritagemining.ca

FORWARD-LOOKING STATEMENTS

This news release contains certain statements that constitute forward looking information within the meaning of applicable securities laws. These statements relate to future events of the Company. Any statements that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, using words or phrases such as “seek”, “anticipate”, “plan”, “continue”, “estimate”, “expect”, “forecast”, “may”, “will”, “project”, “predict”, “potential”, “targeting”, “intend”, “could”, “might”, “should”, “believe”, “outlook” and similar expressions are not statements of historical fact and may be forward looking information. All statements, other than statements of historical fact, included herein are forward-looking statements.

Forward looking information involves known and unknown risks, uncertainties and other factors which may cause the actual results, performance, or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by the forward-looking information. Such risks include, among others, the inherent risk of the mining industry; adverse economic and market developments; the risk that the Company will not be successful in completing additional acquisitions; risks relating to the estimation of mineral resources; the possibility that the Company’s estimated burn rate may be higher than anticipated; risks of unexpected cost increases; risks of labour shortages; risks relating to exploration and development activities; risks relating to future prices of mineral resources; risks related to work site accidents, risks related to geological uncertainties and variations; risks related to government and community support of the Company’s projects; risks related to global pandemics and other risks related to the mining industry. The Company believes that the expectations reflected in such forward-looking information are reasonable, but no assurance can be given that these expectations will prove to be correct and such forward‐looking information should not be unduly relied upon. These statements speak only as of the date of this news release. The Company does not intend, and does not assume any obligation, to update any forward‐looking information except as required by law.

This document does not constitute an offer to sell, or a solicitation of an offer to buy, securities of the Company in Canada, the United States, or any other jurisdiction. Any such offer to sell or solicitation of an offer to buy the securities described herein will be made only pursuant to subscription documentation between the Company and prospective purchasers. Any such offering will be made in reliance upon exemptions from the prospectus and registration requirements under applicable securities laws, pursuant to a subscription agreement to be entered into by the Company and prospective investors.

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