Copper, a key element for electrification

Creating a positive impact in the lives of our people and communities by responsibly producing copper to meet the world’s growing needs.

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Capstone Copper at a Glance

265k

tonnes of copper to be produced annually after

MV-O ramp up

6k+

employees and contractors, worldwide*

93%

of revenue from copper*

10M+

tonnes of copper in measured and indicated mineral resources**

*as of December 31, 2025
**view full Mineral Reserves and Resources table

Santo Domingo

Atacama, Chile

Santo Domingo is a top quartile copper-iron-gold project in the Atacama region of Chile. Santo Domingo is Chile’s only fully-permitted greenfield project.

Mantoverde

Atacama, Chile

Mantoverde (70% ownership) is an open pit, oxide heap leach copper mine in Atacama, Chile that produces copper cathode and a high-quality copper in concentrate with a significant gold by-product.

Pinto Valley

Arizona, United States

Pinto Valley is an open pit copper mine in Arizona, US, with significant district-scale opportunities surrounding the mine.

Cozamin

Zacatecas, Mexico

Cozamin is an underground copper-silver mine in Zacatecas, Mexico with a 1st quartile cost profile. Exploration programs underway to pursue mine-life extension.

Mantos Blancos is an open-pit mine located in the Antofagasta region of Chile. Recent debottlenecking unlocked higher throughput. Advancement of brownfield expansion opportunities are currently underway.

Explore our assets

Capstone Copper has a portfolio of long-life copper operations in the Americas and a fully permitted development project in one of the world’s most prolific copper-producing districts.

Pinto Valley

Arizona, United States

Zacatecas, Mexico

Antofagasta, Chile

Atacama, Chile

Atacama, Chile

MV-O

The Mantoverde Optimized (“MV-O”) represents a capital-efficient brownfield expansion of the sulphide concentrator at our Mantoverde mine in Chile, delivering incremental copper and gold production, in addition to mine life extension. The $176 million project is currently under construction, which is expected to be completed in Q3/26 prior to ramp-up in Q4/26.

More about MV-O