Production / Operations
Capstone Copper resumes operations at Mantoverde mine

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Executive Summary
- Capstone Copper Corp. has resumed operations at its Mantoverde mine in Chile following a production interruption caused by the inability to access and operate the desalination plant.
- The company expects to maintain production levels between 50% and 75% of normal capacity during the ongoing strike by Union No. 2.
- Union No. 2, representing approximately 22% of the workforce, continues its strike which began on January 2; Capstone remains open to dialogue and is adhering to legal procedures.
Key Details
- Operational Status: Operations at the Mantoverde mine have resumed after being interrupted due to access issues with the desalination plant.
- Production Guidance: The company reaffirms expectations to operate at 50% to 75% of normal production levels during the strike period.
- Labor Dispute: Union No. 2 at Mantoverde continues a strike that commenced on January 2.
- Workforce Impact: Union No. 2 represents approximately 22% of the total workforce at the mine.
- Company Stance: Capstone Copper remains willing to engage in discussions to resolve the dispute, respects employee rights, and is providing requested information to authorities.
Notable Quotes
- "Capstone Copper remains willing to engage in discussions to seek a resolution with union No. 2."
- "The company will continue to adhere to legal procedures, respecting the rights of all its employees, inviting the union to engage in a constructive dialogue and providing the authorities with all requested information."
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Jun 21, 2026 · 16:00