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TINKA ANNOUNCES RESIGNATION OF DIRECTOR Vancouver, Canada – Tinka Resources Limited (“Tinka” or the “Company”) (TSXV & BVL: TK) (OTCQB: TKRFF) announces the resignation of Mr. Pieter Britz from the board of directors of the Company (the “Board”) with immediate effect. Mr. Britz

Management Changes

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March 12, 2025

TINKA ANNOUNCES RESIGNATION OF DIRECTOR

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

the resignation of Mr. Pieter Britz from the board of directors of the Company (the “Board”) with immediate effect. Mr. Britz

has withdrawn his name from the slate of nominees for election to the Board at the annual general and special meeting of

shareholders to be held on March 26, 2025. Mr. Britz is stepping back as a director of Tinka to focus on ongoing work

commitments with regards to the management of the Sentient Resources (“Sentient”) funds and associated investments.

Mr. Britz joined the Company in January 2018, as a director nominated by Sentient, and has been a valuable member of the

Board. The Board and management are grateful to Mr. Britz for his many contributions during his Board tenure and wish

him well in his future endeavours.

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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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. The Zinc Zone at Ayawilca has an estimated Indicated Mineral Resource of 28.3 Mt grading 5.82%

zinc, 16.4 g/t silver, 0.2% lead and 91 g/t indium, and an Inferred Mineral Resource of 31.2 Mt grading 4.21% zinc, 14.5 g/t

silver, 0.2% lead and 45 g/t indium. The Silver Zone has an estimated Inferred Mineral Resource of 1.0 Mt grading 111.4 g/t

silver, 1.54% zinc, & 0.5% lead. The Tin Zone has an estimated Indicated M ineral 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 technical 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 strategic review. 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 cer tain factors including, without limitations: timing and successful completion of the strategic review ; 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

T: 604.685.9316 [email protected]

TSXV & BVL: TK OTCQB: TKRFF

NEWS RELEASE

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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 uncertainties 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 s tatements are not guarantees of future

performance and accordingly undue reliance should not be put on such statements due to the inherent uncertainty therein. Exce pt 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.