Strategy & Objectives

Developing, Exploring and Integrating a Tier-1 Copper District in Chile

The multi-pronged strategy of Marimaca is to bring the MOD into production as quickly as is feasible, while continuing to progress our pipeline of projects, at various stages of maturity, in parallel.

Our Multi-Pronged Strategy

Continued De-risking of the Marimaca Oxide Deposit (MOD)
With the Definitive Feasibility Study (DFS) complete, environmental approval secured and financing workstreams ongoing, the MOD is well advanced. Detailed engineering is ongoing and is supporting our advancement towards a final investment decision. The Company believes that the anticipated 50ktpa production profile from the MOD represents a starting point, with a clear ambition to increase copper cathode production to over 70ktpa within the next five years.

Unlock the Scale of Pampa Medina
Recent exploration success at the Pampa Medina deposit has confirmed the discovery of a potentially significant new copper system, with high-grade continuity demonstrated over hundreds of metres and strong potential for both oxide and sulphide expansion. Exploration programs are underway to further define the scale, controls, and growth potential of the deposit, which is increasingly viewed as a cornerstone of Marimaca’s long-term expansion strategy beyond the initial MOD development.

Integrate the District
Marimaca is pursuing a “hub-and-spoke” development plan to define future satellite oxide resource potential. A centralised processing facility will handle ore from multiple deposits, with development targeted at the Pampa Medina and Madrugador oxides to grow cathode production and increase mine life. In addition, the exploration of oxide extensions at depth and along strike, and sulphide potential below the oxides at the MOD, is being explored.

Key Workstreams and Objectives

Marimaca is advancing a series of key workstreams across both the MOD and exploration. These span detailed design and engineering, site early works, project financing and drilling at Pampa Medina.

Detailed Design
& Permitting
MOD detailed design and engineering, with execution strategy to be defined
Sectorial (auxiliary) permits progressed in line with the master schedule
Site Early
Works
Site early works planned ahead of the Final Investment Decision
Long-lead items (over 50 weeks delivery) to be secured
Project
Financing
Project financing workstreams underway
Positive market conditions supporting a competitive financing process
Pampa
Medina
Significant drill program planned at Pampa Medina in 2026
Focus on infilling the high-grade centre and testing the limits of the system
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