Capstone Copper agrees to sell Cozamin mine to Luca Mining for up to $385 mln

Capstone Copper has agreed to sell its Cozamin copper-silver-zinc-lead mine in Zacatecas, Mexico, to Luca Mining for up to USD 385 million. The deal includes USD 275 million in upfront cash, USD 35 million in deferred cash, and up to USD 60 million in copper-price-linked cash. Capstone will also receive USD 15 million in Luca shares at closing. The transaction is expected to close in Q4 2026, subject to customary conditions and regulatory approvals. Proceeds will support Capstone's growth projects in Chile and the US.