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North Bay Resources, Inc. (the ” Company ” or ” North Bay “) (OTC: NBRI) is pleased to announce results of February 2025 exploration at the Company’s Copper Island Project. Recent rock sampling of 8 outcrops at the Pomeroy 1-3, Beaver and Copper Bell zones produced results up to 5.69% copper, 1 ounce silver, and 0.22% vanadium with average assay values of 4.6% copper, 0.5 ounces per ton silver, and 0.9% vanadium. In addition, metallurgy studies of the samples showed copper to be in oxide form up to 74.4% and averaged 40.3%, 42.1%, and 58.4% copper oxide utilizing 3 different leach tests. Copper in the oxide form generally has low processing cost with high recovery.

Assays were completed at ALS Global Laboratory, North Vancouver, BC as follows:

*Cu-OG62: Standard assay, aqua regia solvent for copper oxides and sulphides, Four acid digestion and ICP finish 0.4g sample
**Cu-AA05: Leach test for total oxide copper, 5% H2SO4 Leach (AAS) prepared sample (0.5g) is leached with 5% sulphuric acid.
***Cu-AA07n: Leach test for total oxide copper, H2SO4/Na2SO3 Leach (AAS) When exposed to dilute H2SO4/Na2SO3 solutions Cu oxide dissolved. The sample (1 g) is leached in 50 mL of dilute H2SO4/Na2SO3 for 1 hour.
****Cu-AA08q: Leach test for total oxide copper, H2SO4 / Fe2SO4 (AAS) The sample (~ 1.0 g) is shaken in H2SO4 / Fe2SO4 for half an hour.

The Copper Island property is a Red-Bed Copper deposit located proximate to Campbell River, British Columbia and the Company’s nearby Murex Copper Project. The Property is underlain by Karmutsen volcanics, which consist of highly fractured and sheared Karmutsen Formation amygdaloidal andesitic flow rocks filled with calcite, quartz, chlorite, actinolite or prehnite. Minerals of interest are chalcocite (CuS), a secondary mineral of copper, with subordinate and local occurrences of bornite (Cu5 FeS4) cuprite (Cu2O), malachite (Cu CO3 (OH )), and native copper (Cu), in highly oxidized material. Chalcocite occurs in the higher-grade showings as partial to complete replacement of amygdules in the upper portion of individual flow structures (similar to Keweenan, Point Michigan, copper-bearing basaltic flows). Historic sampling identified acid leachable vanadium which contains highest vanadium values in a black siliceous sediment, overlying a copper mineralized flow.

The Pomeroy 3, 4 Zone mineralization occurs over a strike length of approximately 750 feet, largest of the numerous Cu-Ag zones identified. Mineralization follows a northwest to north trending formation of amygdaloidal basaltic flows, with important E-W to ENE-SSW trending cross fault/fracture zones. Several parallel zones have been identified (e.g. Copper Valley, Butte, Copper Bell, Colleen, Vanadium & Ingersoll). The Pomeroy zones have large areas of copper mineralization in a calcite filled amygdules and veinlet stockwork that is evident throughout the property. The other mineralized zones consist of increased quartz, calcite veining, and copper sulphides in up to 30 feet wide altered and fractured zones traced intermittently for up to 600 feet on surface.

Historic Exploration and Development Work

Considerable previous work has been performed on the Pomeroy Group copper-silver bearing mineralization. Modern exploration began in 1952-53, when Dodge Copper carried out a detailed exploration program of trenching and diamond drilling. Dodge Copper drilled 145 holes totaling 8800 feet on various deposits. Extensive drilling and trenching of the mineralized zones were completed by Prince Stewart Mines Ltd. in 1972-74 resulting in a resource and reserve estimate totaling 50,886,710 lbs. of copper. In 2011, the claims were acquired by Copper Island Mines Ltd, and a program of geochemical sampling was carried out on the Pomeroy, Beaver and Colleen Zones. A significant portion of geochemical sampling returned >2% Cu from numerous new & historic copper-silver bearing mineral occurrences (Betmanis, 2012).

2023 Exploration Results:

Pomeroy 1
23CIR-3 7.46% Cu
23CIR-4 8.48% Cu
23CIR-5 4.51% Cu
23CIR-6 3.28% Cu

Copper Bell
23CIR-7 14.7% Cu
23CIR-8 3.42% Cu

Property Mineral Occurrences

Historic estimates were completed prior to NI 43-101, while completed by qualified geologists and/or engineers of their day they are historic in nature.

The following list describes historic resources of nine British Columbia Ministry of Mines, Energy, and Carbon Reduction MINFILE occurrences located within Copper Island mineral claims:

POMEROY 1:
16,500 tons @ 3.67% Cu
1,211,100 lbs. Cu

POMEROY 2:
PROVEN: 5,000 tons @ 2.70% Cu
INDICATED: 17,000 tons @ 2.70% Cu
270,000 + 918,000 = 1,188,000 lbs. Cu

POMEROY 3+4
PROVEN: 972,400 tons @ 1.22% Cu
INDICATED: 472,000 tons @ 1.62%Cu
23,726,560 + 15,292,800 = 39,019,360 lbs. Cu

POMEROY 5:
58,500 tons @ 1.00% Cu
1,170,000 lbs. Cu

BEAVER 1:
19,375 tons @ 1.74% Cu
674,250 lbs. Cu

HALL:
PROVEN: 5,000 tons @ 3.45% Cu
INDICATED: 50,000 tons @ 2.40% Cu
674,250 + 2,400,000 = 3,074,500 lbs. Cu

COPPER BELL 1 + 2:
112,000 tons @ 2.55% Cu
5,737,500 lbs. Cu

*Reserve Estimates – Sheppard, 1974. Prince Stewart Mines Ltd.

Qualified Person

Andris Kikauka (P.Geo) is a Qualified Person in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projects , and has reviewed and approved the scientific and technical content of this news release.

On behalf of the Board of Directors of

North Bay ResourceS INC.

Jared Lazerson
CEO

info@northbay-resources.com

northbay-resources.com

X: @NorthBayRes

YouTube: North Bay Resources – YouTube

LinkedIn: North Bay Resources Inc | LinkedIn

This news release may contain certain “Forward-Looking Statements” within the meaning of the United States Private Securities Litigation Reform Act of 1995 and applicable Canadian securities laws.

A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/ca84804c-32db-477b-a054-5b80d918cdeb

(TheNewswire)

VANCOUVER, BC TheNewswire – March 7, 2025 Heritage Mining Ltd. (CSE:HML) (FRA:Y66) (” Heritage ” or the ” Company “) is pleased to announce a non-brokered private placement (the ” Offering “) of units (” Units “) and flow-through units (” FT Units “) for gross proceeds of up to $1,3750,00.

Pursuant to the Offering, the Company intends to issue up to 13,750,000 Units of the Company at a price of $0.05 per Unit, for aggregate gross proceeds of up to $687,500, and up to 13,750,000 FT Units of the Company at a price of $0.05 per FT Unit, for aggregate gross proceeds of up to $687,500.

Each Unit will consist of one common share in the capital of the Company (” Common Share “) and one Common Share purchase warrant (a ” Warrant “). Each FT Unit will consist 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.

Each Warrant will entitle the holder to acquire one Common Share (each, a ” Warrant Share “) at an exercise price of $0.10 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 “).

Closing of the Offering is expected to occur on or around March 27, 2025 (the ” Closing Date “).  The Offering is subject to all customary approvals. 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 Offering, certain finders may receive a cash fee and/or non-transferable finder warrants.

“Heritage Mining Ltd. has secured lead orders totaling up to C$250,000 from insiders, institutions, advisors, consultants, and existing shareholders. We are grateful for the continued support of existing stakeholders and look forward to closing the financing on or around March 27, 2025.” Commented Peter Schloo, President, CEO, and Director.

ABOUT HERITAGE MINING LTD.

The Company is a Canadian mineral exploration company advancing its two high grade gold-silver-copper projects in Northwestern Ontario. The Drayton-Black Lake and the Contact Bay projects are located near Sioux Lookout in the underexplored Eagle-Wabigoon-Manitou Greenstone Belt . Both projects benefit from a wealth of historic data, excellent site access and logistical support from the local community. The Company is well capitalized, with a tight capital structure.

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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