Luca Mining to Acquire Cozamin Mine from Capstone Copper for $290 Million Upfront

Luca Mining Corporation (LUCA.V) said on September 21, 2026, that it signed a deal with Capstone Copper Corporation to acquire the Cozamin Mine in Zacatecas, Mexico, for $290 million upfront plus up to $95 million in deferred and contingent consideration. The Canadian miner did not disclose financing terms or a closing timeline in the initial announcement. Cozamin is an operating underground copper mine, and the transaction marks a significant expansion of Luca Mining's production base. Capstone Copper will retain exposure to the asset through the deferred and contingent payments. Further details on the structure of those payments were not immediately available.