Mr. Raymond Harari reports

ARGENTINA METALS ANNOUNCES CLOSING OF ACQUISITION OF EL SALADO AND LA QUIMERA PROPERTIES IN MENDOZA, ARGENTINA

Further to Argentina Metals Corp.'s press release dated March 3, 2026, the Direccion de Mineria de la Provincia de Mendoza has approved the transfer and registration of 100-per-cent interest in the El Salado and La Quimera properties, comprising 9,980 hectares in Mendoza, Argentina, to Argentina Metals SAS, a wholly owned subsidiary of the company.

"The approval by the Mendoza Mining Ministry of the transfer of the El Salado and La Quimera properties marks an important milestone for Argentina Metals," said Raymond D. Harari, chief executive officer of Argentina Metals. "This approval completes the acquisition process and secures our 100-per-cent interest in these highly prospective copper exploration assets. The properties add significant scale to our land position in Mendoza and strengthen our presence in one of Argentina's most important emerging copper regions. We appreciate the support and diligence of the Mendoza Mining Ministry throughout this process and look forward to advancing exploration activities in collaboration with provincial authorities and local communities."

In accordance with the terms of the transaction, Argentina Metals has made the final payment to the vendors of the properties in the amount of $195,000 in cash and issued 450,000 common shares of Argentina Metals. The vendors' shares are subject to a statutory four-month-and-one-day hold period under applicable Canadian securities laws as well as contractual trading restrictions until Feb. 25, 2027.

Argentina Metals also announces that, subject to TSX Venture Exchange approval, it will issue 225,000 common shares of Argentina Metals to an arm's-length finder in connection with the transaction. The finders' shares represent a finder's fee equal to $54,000 based on a per share price of 24 cents. The finders' shares are subject to contractual trading restrictions until June 30, 2027, as well as a statutory four-month-and-one-day hold period under applicable Canadian securities laws.

As of the date hereof, including the issuance of the vendors' shares and finders' shares, Argentina Metals has 72,248,343 common shares issued and outstanding.

About Argentina Metals Corp.

Argentina Metals is a Canadian copper exploration company focused on Mendoza province, Argentina. The company holds approximately 146,700 hectares across 26 projects, all 100 per cent owned on a clean-title basis with no private royalties, NSRs (net smelter returns), back-in rights or earn-in obligations, other than royalties payable to the province of Mendoza. Anchored by its flagship Las Estrellas project, the company has built an early position in an underexplored part of the Argentine Andes amid the pro-mining reforms reshaping the country's resource sector.

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