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Or FOR Release, Publication, Distribution or Dissemination Directly or Indirectly, in Whole or in Part, in or into the United States. Tinka Closes Oversubscribed C$14.2 Million Private Placement; Appoints Brandon

Financings

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October 6, 2025

NOT FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR FOR RELEASE, PUBLICATION, DISTRIBUTION OR DISSEMINATION

DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, IN OR INTO THE UNITED STATES.

TINKA CLOSES OVERSUBSCRIBED C$14.2 MILLION PRIVATE PLACEMENT; APPOINTS BRANDON

MACDONALD AS EXECUTIVE CHAIRMAN

Vancouver, Canada – Tinka Resources Limited (“Tinka” or the “ Company”) (TSXV: TK) (OTCQB: TKRFF) announces the

closing of its previously announced non -brokered private placement financing (the “ Offering”) of units (the “ Units”).

Pursuant to the closing of the Offering , the Company issued 51,918,181 Units at a price of C$0. 275 per Unit for gross

proceeds of C$ 14,277,500. Each Unit comprises one common share (a “ Share”) and one-half of one common share

purchase warrant (a “Warrant”). Each Warrant entitles the holder to purchase one additional Share of the Company at an

exercise price of C$0.40 for a period of thirty-six (36) months from the closing of the Offering. The Company is also pleased

to announce that in connection with the Offering, Mr. Brandon Macdonald has been appointed as Executive Chairman of

the Company.

The Company plans to use the net proceeds from the Offering to fund an initial drill program at the Silvia gold -copper

project, resource expansion at Ayawilca including targeting of high-grade zinc mineralization, and for corporate and general

working capital purposes. The Company paid aggregate finders’ fees of C$118,933.50 to arm’s length third parties on a

portion of the Offering, including C$14,850 to Taylor Collison Limited, a non-Canadian registrant.

Mr. Brandon Macdonald, Executive Chairman, stated: "With the financing closed, a new chapter begins for a reinvigorated

Tinka. I am excited for not just expanding and advancing the world -class Ayawilca zinc -silver-tin project, but also the

imminent start of the first ever drill program at the highly compel ling Silvia gold-copper project. Big things are coming for

Tinka, and I'm proud to be part of the team making it happen."

Certain directors and officers of the Company participated in the Offering and purchased an aggregate of 2,520,909 Units.

Participation of the directors and directors in the Offering constituted a "related party transaction" as defined under

Multilateral Instrument 61 ‐101 Protection of Minority Security Holders in Special Transactions ("MI 61‐ 101"), but was

exempt from the formal valuation and minority shareholder approval requirements pursuant to sections 5.5(a) and

5.7(1)(a) of MI 61-101, as neither the fair market value of the securities issued to the insiders nor the consideration paid by

the insiders exceeded 25% of the Company's market capitalization. The Company obtained approval by the board of

directors of the Company to the Offering, with each interested director declaring and abstaining from voting on the

resolutions approving the Offering with respect to their participation in the Offering. None of the Company's directors

expressed any contrary views or disagreements with respect to the foregoing. The Company did not file a material change

report 21 days prior to the closing of the Offering as the details of the participation of the insiders of the Company had not

been confirmed at that time. In connection with the Offering, certain parties elected not to exercise their pro rata

participation rights.

All securities issued in connection with the Offering are subject to a statutory four-month hold period, expiring on February

4, 2026. The Offering is subject to final approval of the TSX Venture Exchange.

T: 604.685.9316 [email protected]

TSXV: TK OTCQB: TKRFF

NEWS RELEASE

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This news release does not constitute an offer to sell or a solicitation of an offer to buy nor shall there be any sale of any of

the securities in any jurisdiction in which such offer, solicitation or sale would be unlawful. The securities have not been

and will not be registered under the United States Securities Act of 1933, as amended (the " U.S. Securities Act "), or the

securities laws of any state of the United States and may not be offered or sold within the United States (as defined in

Regulation S under the U.S. Securities Act) unless registered under the U.S. Securities Act and applicable state securities

laws or pursuant to an exemption from such registration requirements.

On behalf of the Board,

“Graham Carman”

Dr. Graham Carman, President & CEO

Further Information:

www.tinkaresources.com

Mariana Bermudez 1.604.685.9316

[email protected]

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and Facebook.

About Tinka Resources Limited

Tinka is an exploration and development company with its flagship property being the 100% -owned Ayawilca zinc -silver-

tin project in central Peru, and is also exploring the nearby Silvia gold-copper project. Mineral Resources at Ayawilca

include the Zinc Zone which has an estimated Indicated Mineral Resource of 28.3 Mt grading 5.8% zinc, 16.4 g/t silver,

0.2% lead and 91 g/t indium, and an Inferred Mineral Resource of 31.2 Mt grading 4.2% zinc, 14.5 g/t silver, 0.2% lead and

45 g/t indium. The Tin Zone at Ayawilca has an estimated Indicated Mineral Resource of 1.4 million tonnes grading 0.72%

tin and an Inferred Mineral Resource of 12.7 Mt grading 0.76% tin. The Company filed a NI 43-101 technic al report on an

updated PEA for the Ayawilca Project on April 15, 2024 (link to NI 43-101 report here). Dr. Graham Carman, Tinka’s

President and CEO, has reviewed, verified and approved the technical contents of this release. Dr. Carman is a Fellow of

the Australasian Institute of Mining and Metallurgy, and is a Qualified Person as defined by National Instrument 43-101.

Forward Looking Statements: Certain information in this news release contains forward -looking statements and forward -looking

information within the meaning of applicable securities laws (collectively "forward -looking statements"). All statements, other th an

statements of historical fact are forward -looking statements. Forward-looking statements include, but are not limited to, statements

regarding the use of proceeds for the Offering and the closing of the Offering. Forward-looking statements are based on the beliefs and

expectations of Tinka as well as assumptions made by and information currently available to Tinka's management. Such statements

reflect the current risks, uncertainties and assumptions related to certain factors including, without limitations: the intended use of the

proceeds from the Offering; timing of planned work programs and results varying from expectations; delay in obtaining results; changes

in equity markets; uncertainties relating to the availability and costs of financing needed in the future; equipment failure, unexpected

geological conditions; imprecision in resource estimates or metal recoveries; success of future development initiatives; competition

and operating performance; environmental and safety risks; timing of geological reports; the preliminary nature of the Ayawilca Project

PEA and the Company’s ability to realize the results of the Ayawilca Project PEA; the political environment in which the Company

operates continuing to support the development and operation of mining projects; risks related to negative publicity with respect to the

Company or the mining industry in general; delays in obtaining or failure to obtain necessary permits and approvals from local

authorities; community agreements and relations; and, other development and operating risks. Should any one or more of these risks

or uncert ainties materialize, or should any underlying assumptions prove incorrect, actual results may vary materially from those

described herein. Although Tinka believes that assumptions inherent in the forward-looking statements are reasonable, forward-looking

statements are not guarantees of future performance and accordingly undue reliance should not be put on such statements due to the

inherent uncertainty therein. Except as may be required by applicable securities laws, Tinka disclaims any intent or obligation to update

any forward-looking statement.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX

Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release.