Production / Operations
Capstone Copper Resumes Operations at Mantoverde

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Executive Summary
- Capstone Copper reports that mining operations at the Mantoverde copper‑gold mine in Chile have resumed after a shutdown caused by inability to access the desalination plant.
- The company expects production to run at 50 %–75 % of normal levels while Union #2, representing ~22 % of the workforce, continues its strike that began on January 2.
- Capstone reiterates its willingness to negotiate with the union and will continue to follow legal procedures and provide required information to authorities.
Key Details
- Resumption of Production: Operations at Mantoverde are back online following the earlier interruption announced on 22 January 2026.
- Production Outlook: Expected operating level is between 50 % and 75 % of normal output during the ongoing strike period.
- Union Activity: Union #2, covering roughly 22 % of Mantoverde employees, remains on strike; the strike started on 2 January 2026.
- Management Stance: Capstone Copper is open to constructive dialogue with Union #2 and will continue to respect employee rights while complying with legal requirements.
- Regulatory & Community Commitment: The company emphasizes adherence to integrity, transparency, and community benefits throughout the strike resolution process.
Notable Quotes
“Capstone Copper remains willing to engage in discussions to seek a resolution with Union #2. We will continue to adhere to legal procedures, respecting the rights of all our employees, inviting the union to engage in constructive dialogue, and providing the authorities with all requested information.” – Company statement
All boilerplate, forward‑looking disclaimer text and contact information have been omitted for brevity.
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Jun 21, 2026 · 16:00