Capstone Copper has announced a definitive agreement to sell its Cozamin copper-silver-zinc-lead mine in Zacatecas, Mexico, to Luca Mining for up to $385 million. This strategic divestiture, expected to close in Q4 2026, will significantly bolster Capstone's balance sheet and enhance financial flexibility, empowering the company to advance its extensive growth pipeline, including projects like Mantoverde Optimised in Chile. The transaction underscores a growing trend of portfolio optimization within the global mining sector, allowing producers to streamline operations and focus capital on core assets with higher growth potential.