Goldgroup commits US$75 million equity investment in Luca Mining for 19.9% stake

• Goldgroup Mining committed to invest up to US$75 million in Luca Mining via subscription receipts in Luca’s US$110 million private placement.
• Transaction targets a 19.9% Luca stake on a non-diluted pro forma basis following Luca’s planned Cozamin mine acquisition.
• Proceeds support Luca’s US$290 million upfront purchase of Capstone Copper’s Cozamin mine in Zacatecas, Mexico.
• Funding comes from existing cash, including a Sept. 25, 2026 private placement that raised about US$121.8 million gross.
• Deal replaces Trafigura’s prior US$75 million equity backstop; closing requires TSX Venture Exchange approval.

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. Goldgroup Mining Inc. published the original content used to generate this news brief via Newsfile (Ref. ID: 202609280700NEWSFILECNPR____20260928_316271_1) on September 28, 2026, and is solely responsible for the information contained therein.