Capstone Copper raises 2026 capital expenditure guidance by USD 40 million to USD 760 million

• Capstone Copper expects 2026 copper production at 200,000 tonnes, the low end of its 200,000–230,000-tonne guidance range.
• C1 cash costs are forecast at USD 2.75 per pound, the upper end of the USD 2.45–2.75 guidance range.
• Capital expenditure guidance increased by USD 40 million to USD 760 million.
• Pinto Valley production is tracking below guidance following 45 days of third-quarter downtime; higher diesel prices and maintenance spending pressured costs.
• Mantoverde’s expansion ramp-up is expected in the fourth quarter, with higher sulphide copper grades also forecast at Mantos Blancos.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Capstone Copper Corporation published the original content used to generate this news brief on October 29, 2026, and is solely responsible for the information contained therein.