Hudbay Completes Acquisition of Arizona Sonoran to Create the Third Largest Copper District in North America

TORONTO, June 24, 2026 (GLOBE NEWSWIRE) -- Hudbay Minerals Inc. (“Hudbay” or the “Company”) (TSX, NYSE: HBM) is pleased to announce the closing of its previously announced acquisition of Arizona Sonoran Copper Company Inc. (“Arizona Sonoran”) by way of a court-approved plan of arrangement, pursuant to which Hudbay has acquired all of the issued and outstanding common shares of Arizona Sonoran, not already owned by Hudbay, effective as of today’s date (the “Transaction”). Arizona Sonoran is now a wholly-owned subsidiary of Hudbay and, in accordance with the terms of the Transaction, former Arizona Sonoran shareholders (other than Hudbay) received 0.242 of a Hudbay common share for each Arizona Sonoran common share (each, an “ASCU Share”) held immediately prior to the effective time of the Transaction or, in the case of former holders of options, restricted share units and deferred share units of Arizona Sonoran, for each ASCU Share held immediately following the effective time of the Transaction.