(TheNewswire)

VANCOUVER, BC TheNewswire – August 15, 2025 Heritage Mining Ltd. (CSE: HML) (‘ Heritage ‘ or the ‘ Company ‘) is pleased to announce that, further to its news release dated July 22, 2025 and August 5, 2025, it has closed the final tranche of the non-brokered listed issuer financing exemption (‘ LIFE ‘) private placement of 500,000 units, of the max offering, 18,187,725 units (‘ Units ‘) at a price of $0.035 per Unit for gross proceeds of ~C$17,500, of the max offering, C$636,570 (the ‘ Offering ‘).

A non-brokered ‘best-efforts basis’ LIFE financing of up to 18,187,725 units (the ‘ LIFE Offering ‘) for gross proceeds of up to $635,570 for units of the Company (each, a ‘ Unit ‘) at a price of $0.035 per Unit, with each Unit being comprised of one (1) common share of the Company (each a ‘ Common Share ‘) and one (1) common share purchase warrant (a ‘ Warrant ‘) granting the holder the right to purchase one (1) additional Common Share of the Company (a ‘ Warrant Share ‘) at a price of $0.05 at any time on or before 36 months from the Closing Date (as defined herein), which securities shall be offered pursuant to the listed issuer financing exemption under Part 5A of National Instrument 45-106 – Prospectus Exemptions (‘ NI 45-106 ‘).

The Company paid an aggregate ~C$$44,560 in cash commissions and issued an aggregate 1,273,140 compensation options (the ‘ Compensation Options ‘) in connection with the Offering. Each Compensation Option entitles the holder to acquire one additional Unit at a price of $0.035 for a period of 36 months following the date of issuance.

Proceeds of the Offering will be used to fund the Company’s previously announced exploration and drilling program on its flagship Drayton-Black Lake Project and Contact Bay, in addition to general working capital .

‘We are very pleased to have closed the final tranche of the LIFE Offering successfully and appreciate the continued support from both new and existing shareholders who share our long-term vision.

With the majority of our results from our 2025 exploration program still outstanding, we look forward to communicating results as they are received.’ Commented Peter Schloo, President, CEO, and Director of Heritage Mining Ltd.

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.

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

Copyright (c) 2025 TheNewswire – All rights reserved.

Purepoint Uranium Group Inc. (TSXV: PTU,OTC:PTUUF) (OTCQB: PTUUF) (‘Purepoint’ or the ‘Company’) is pleased to announce that due to strong investor demand, it has increased the offering size of the non-brokered private placement, previously announced on August 13, 2025, from $3,000,000 to $5,000,000 (the ‘Offering’).

IsoEnergy Ltd. (TSX: ISO) (NYSE American: ISOU) (‘IsoEnergy‘), the Company’s joint venture partner for the Dorado, Aurora and Celeste projects, located in the Athabasca Basin, Saskatchewan has confirmed its intention to invest $1,000,000 in support of the Company’s financing efforts.

The Offering will comprise of a combination of the following:

• Saskatchewan flow-through units of the Company (each, a ‘SFT Unit‘) at a price of $0.65 per SFT Unit with each SFT Unit consisting of one common share of the Company to be issued on a ‘flow through’ basis pursuant to the Income Tax Act (Canada) (each a ‘SFT Share‘) and one common share purchase warrant (each, a ‘Warrant‘);
• National flow-through units of the Company (each, a ‘NFT Unit‘) at a price of $0.59 per NFT Unit with each NFT Unit consisting of one common share of the Company to be issued on a ‘flow through’ basis pursuant to the Income Tax Act (Canada) (each a ‘NFT Share‘) and one Warrant; and
• Traditional flow-through units of the Company (each, a ‘TFT Unit‘, together with the SFT Unit and the NFT, the ‘Units‘) at a price of $0.59 per TFT Unit with each TFT Unit consisting of one common share of the Company to be issued on a ‘flow through’ basis pursuant to the Income Tax Act (Canada) (each a ‘TFT Share‘, together with the SFT Shares and the NFT Shares, the ‘FT Shares‘) and one Warrant.

Each Warrant entitles its holder to purchase one common share of the Company (each a ‘Warrant Share‘) at an exercise price of $0.50 per share for a period of 24 months from the date of issuance.

Participation by IsoEnergy in the Offering will be considered a ‘related party transaction’ pursuant to Multilateral Instrument 61- 101 – Protection of Minority Security Holders in Special Transactions (‘MI 61-101‘). IsoEnergy is considered a related party of the Company under MI 61-101 by virtue of holding 10.6% of the issued and outstanding common shares of the Company on a non-diluted basis. The Company will be exempt from the requirements to obtain a formal valuation or minority shareholder approval in connection with IsoEnergy’s participation in the Offering in reliance of sections 5.5(a) and 5.7(1)(a) of MI 61-101. A material change report will be filed in connection with the participation of IsoEnergy in the Offering less than 21 days in advance of the closing of the Offering, which the Company deemed reasonable in the circumstances so as to be able to avail itself of potential financing opportunities and complete the Offering in an expeditious manner.

The gross proceeds of the FT Shares sold under the Offering will be used for Canadian Exploration Expenses (within the meaning of the Income Tax Act (Canada)) which qualify as a ‘flow-through mining expenditure’ for purposes of the Income Tax Act (Canada) related to the exploration program of the Company to be conducted on the Company’s properties located in the Athabasca Basin, Saskatchewan. The Company will renounce such Canadian Exploration Expenses with an effective date of no later than December 31, 2025.

The completion of the Offering is subject to certain conditions including, but not limited to, the receipt of all necessary regulatory and corporate approvals, including the approval of the listing of the FT Shares and the Warrant Shares on the TSX Venture Exchange. Resale of the securities of the Company distributed under the Offering will be subject to a statutory hold period in Canada of four months and one day following the closing date of the Offering.

About Purepoint

Purepoint Uranium Group Inc. (TSXV: PTU,OTC:PTUUF) (OTCQB: PTUUF) is a focused explorer with a dynamic portfolio of advanced projects within the renowned Athabasca Basin in Canada. Highly prospective uranium projects are actively operated on behalf of partnerships with industry leaders including Cameco Corporation, Orano Canada Inc. and IsoEnergy Ltd.

Additionally, the Company holds a promising VHMS project currently optioned to and strategically positioned adjacent to and on trend with Foran Corporation’s McIlvena Bay project. Through a robust and proactive exploration strategy, Purepoint is solidifying its position as a leading explorer in one of the globe’s most significant uranium districts.

For additional information please visit our new website at https://purepoint.ca, our Twitter feed: @PurepointU3O8 or our LinkedIn page @Purepoint-Uranium.

Neither the Exchange nor its Regulation Services Provider (as that term is defined in the policies of the Exchange) accepts responsibility for the adequacy or accuracy of this Press release.

Disclosure Regarding Forward-Looking Statements

This news release contains ‘forward-looking information’ within the meaning of applicable Canadian securities legislation. ‘Forward-looking information’ includes, but is not limited to, statements with respect to the activities, events or developments that the Company expects or anticipates will or may occur in the future, including the completion of planned exploration activities, the ability of the Company to complete the Offering on the proposed terms or at all, statements regarding the tax treatment of the FT Units and the timing to renounce all Canadian Exploration Expenses, the anticipated use of proceeds from the Offering and receipt of regulatory approvals with respect to the Offering. Generally, but not always, forward-looking information and statements can be identified by the use of words such as ‘plans’, ‘expects’, ‘is expected’, ‘budget’, ‘scheduled’, ‘estimates’, ‘forecasts’, ‘intends’, ‘anticipates’, or ‘believes’ or the negative connotation thereof or variations of such words and phrases or state that certain actions, events or results ‘may’, ‘could’, ‘would’, ‘might’ or ‘will be taken’, ‘occur’ or ‘be achieved’ or the negative connation thereof.

Such forward-looking information and statements are based on numerous assumptions, including among others, that the Company’s planned exploration activities will be completed in a timely manner, that the Company will be able to complete the Offering on the terms as anticipated by management, that the Company will use the proceeds of the Offering as anticipated, and that the Company will receive regulatory approval with respect to the Offering. Although the assumptions made by the Company in providing forward-looking information or making forward-looking statements are considered reasonable by management at the time, there can be no assurance that such assumptions will prove to be accurate.

There can be no assurance that such statements will prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from the Company’s plans or expectations include the risk that the Company will not be able to complete the Offering on the terms as anticipated by management or at all, that the Company will not use the proceeds of the Offering as anticipated, that the Company will not receive regulatory approval with respect to the Offering, risks relating to the actual results of current exploration activities, fluctuating uranium prices, possibility of equipment breakdowns and delays, exploration cost overruns, availability of capital and financing, general economic, market or business conditions, regulatory changes, timeliness of government or regulatory approvals and other risks detailed herein and from time to time in the filings made by the Company with securities regulators.

Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in the forward-looking information or implied by forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that forward-looking information and statements will prove to be accurate, as actual results and future events could differ materially from those anticipated, estimated or intended. Accordingly, readers should not place undue reliance on forward-looking statements or information.

The Company expressly disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, future events or otherwise except as otherwise required by applicable securities legislation.

Not for Dissemination in the United States or through U.S. Newswire Services

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