Argentina Metals Corp. Announces Closing of First Tranche of Private Placement and Debt Settlement

November 17, 2025 – Vancouver, British Columbia – Argentina Metals Corp. (“AMC” or the “Company”) is pleased to announce that the Company has closed the first tranche of a non-brokered private placement (the “Financing”) raising aggregate gross proceeds of C$2,490,600.00 through the issuance of 4,981,200 common shares (the “Shares”) at a purchase price of C$0.50 per Share. The Company will use the gross proceeds from the Financing for general corporate and working capital purposes. No finder’s fees were paid in connection with the Financing. The Company may issue additional Shares in subsequent closings of the Financing.

The Company also announces that it has settled aggregate indebtedness payable to an arms’ length service provider in the amount of C$5,000 through the issuance of 10,000 Shares (the “Debt Settlement”). All Shares issued in connection with the Financing and the Debt Settlement will be subject to a four-month hold in accordance with applicable Canadian securities legislation.

Certain insiders of the Company have subscribed to the Financing for an aggregate of C$163,500 or 327,000 Shares. That portion of the Financing is a “related party transaction” as such term is defined under MI 61-101 – Protection of Minority Security Holders in Special Transactions (“MI 61-101”). The Company is relying on exemptions from the formal valuation requirement of MI-61-101 under sections 5.5(a) and (b) of MI 61-101 in respect of the transaction as the fair market value of the transaction, insofar as it involves the interested parties, is not more than 25% of the Company’s market capitalization.

Following closing of the Financing and Debt Settlement, the Company has 17,295,548 Shares issued and outstanding.

About Argentina Metals Corp.

AMC is an Argentina focused mineral exploration company existing under the laws of the Province of British Columbia that is a Canadian reporting issuer in the Provinces of British Columbia and Alberta.

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