Argentina Metals Announces Closing of Purchase of Mineral Rights in Mendoza, Argentina and Issuance of Stock Options

February 26, 2026 – Vancouver, British Columbia and Mendoza, Argentina – Argentina Metals Corp. (“Argentina Metals” or the “Company”) is pleased to announce that Argentina Metals S.A.S., a wholly-owned subsidiary of the Company, has completed the purchase (the “Transaction”) of a 100% interest in each of the El Salado and La Quimera properties (collectively, the “Properties”) located in Mendoza, Argentina comprising 9,980 hectares arms’ length vendors (the “Vendors”), pursuant to an asset purchase agreement dated February 25, 2026 (the “Agreement”).

“This Agreement marks an important step forward for Argentina Metals as we strengthen our copper exploration footprint in Mendoza,” said Raymond D. Harari, CEO of Argentina Metals. “The size and geological promise of these Properties significantly expand our pipeline of high-quality targets and reinforce our presence in a well-established mining district. We are committed to collaborating closely with provincial authorities and local communities as we advance disciplined, systematic exploration programs across the portfolio.”

Under the terms of the Agreement, the consideration payable by Argentina Metals to Andean in connection with the Transaction is as follows (the “Transaction Consideration”): (i) a cash payment in the amount of CAD$270,000 and share issuance of 150,000 common shares without par value in the capital of Argentina Metals (the “Shares”) on execution of the Agreement (the “First Payment”), (ii) a cash payment in the amount of CAD$360,000 and share issuance of 200,000 Shares on signing of the signing of the Assignment of Mineral Rights before the public notary in Mendoza, Argentina, and (iii) a cash payment in the amount of CAD$270,000 and share issuance of 150,000 Shares on the registration of the transfer of the Properties with the Dirección de Minería de la Provincia de Mendoza.

All Shares to be issued in connection with the Transaction will be subject to a four-month hold in accordance with applicable Canadian securities legislation and a voluntary resale restriction of 12 months from the closing date.

The Company also announces that on February 17, 2026 it issued 100,000 incentive stock options (“Options”) at an exercise price of CAD$0.50 per common share to a consultant of the Company. The Options vest over an eighteen-month period and expire five years from the date of grant.

As of the date hereof, including the First Payment, Argentina Metals has 20,526,881 Shares issued and outstanding.

About Argentina Metals Corp.

Argentina Metals is a Canadian-domiciled mineral exploration company focused on the exploration and development of copper assets in highly prospective, underexplored districts in Mendoza, Argentina. Argentina Metals holds a 100% interest in a district-scale land package totaling over 112,992 hectares in Mendoza, Argentina, with no underlying royalties or encumbrances, other than royalties payable to the Province of Mendoza. The Company’s portfolio is strategically positioned within a geologically favorable belt with demonstrated copper mineralization and strong discovery potential. Argentina Metals’ management team comprises seasoned executives from Latin America, Europe, and Canada, bringing extensive experience across mining and mineral exploration, capital markets and the energy sector.

Raymond D. Harari
Chief Executive Officer
e: rdh@canaliscapital.com
t: +507-6675-2221

Cautionary Statements

All statements in this press release, other than statements of historical fact, are “forward-looking information” with respect to the Company within the meaning of applicable securities laws. Forward-looking information is frequently characterized by words such as “plan”, “expect”, “project”, “intend”, “believe”, “anticipate”, “estimate” and other similar words, or statements that certain events or conditions “may” or “will” occur. Forward-looking statements include statements about the Transaction, any Public Listing of the Company’s Shares, the Properties and their prospects and statements about the anticipated benefits of any of the foregoing and are based on the opinions and estimates at the date the statements are made, and are subject to a variety of risks and uncertainties and other factors that could cause actual events or results to differ materially from those anticipated in the forward-looking statements. There are uncertainties inherent in forward-looking information, including factors beyond the Company’s control. There are no assurances that the business plans described in this news release will come into effect on the terms or time frame described herein. The Company undertakes no obligation to update forward-looking information if circumstances or management’s estimates or opinions should change except as required by law. For a description of the risks and uncertainties facing the Company and its business and affairs, readers should refer to the Company’s disclosure filings with Canadian securities regulators, which are posted on the Company’s profile at www.sedarplus.ca.