• Marimaca Copper promoted Peter Garner-Winship to chief financial officer, effective immediately.
• He joined in March 2026 as vice president, finance.
• Garner-Winship previously spent 17 years at Anglo American in corporate finance, strategic planning, capital allocation roles.
• He also served as financial controller for the US$ 5.5 billion Quellaveco copper project in Peru.

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. Marimaca Copper Corp. published the original content used to generate this news brief via ACCESS Newswire (Ref. ID: 202610080630ACCESSWRNAPR_____1234169) on October 08, 2026, and is solely responsible for the information contained therein.