11:41 AM EST, 11/11/2025 (MT Newswires) -- (Updates shares.)

Marimaca Copper ( MARIF ) said Tuesday its Chilean subsidiary received formal environmental approval for the Marimaca oxide project in Chile.

The company said the approval allows it to advance the next phase of permitting activities related to construction and operation. The project is expected to be construction ready in the second half of 2026.

"We committed significant time and resources to our permitting strategy, to design a project which delivers a strong mitigation strategy for the environmental and social risks identified, a framework for ongoing risk management, while aligning with our corporate ethos to deliver a project which generates long term value for all of our stakeholders," said chief financial officer Jose Antonio Merino.

Marimaca said it will now focus on the path to final investment decision and project sanctioning.

The company added that it continues exploration efforts at the Pampa Medina project.

Marimaca shares were last seen up $0.76 to $11.72 on the Toronto Stock Exchange.

Price: 11.72, Change: +0.76, Percent Change: +6.93