Cobre (ASX:CBE) Secures Major Stake in Chile’s Sierra Atacama Copper Project

4 min read | February 12, 2026 03:38 PM AEDT | By Sam

Highlights

  • Cobre raises A$60 million for Sierra Atacama acquisition.

  • Plans to expand Chilean copper operations with large-scale mining.

  • Experienced team onboard to drive growth and development.

Cobre (ASX:CBE) is advancing its copper production ambitions by acquiring a majority stake in the Sierra Atacama project, with plans for expansion, exploration, and infrastructure development.

Cobre Targets Chilean Copper Growth

Cobre Ltd (ASX:CBE) has launched a A$60 million capital raising to secure a majority interest in the Sierra Atacama Copper Project, located in Chile’s Antofagasta region. This strategic move positions the company to transform from an explorer-developer into a producer within one of the world’s most prominent copper belts. The Sierra Atacama project spans a vast area, offering both operating mining infrastructure and extensive exploration potential.

The binding agreement with Minera Salar Blanco allows Cobre to earn a majority interest in the project through staged investments. The operation already hosts an underground mine producing copper cathode through heap leach and SX-EW processing. The surrounding region includes established mining operations, making Sierra Atacama a well-connected site with significant growth prospects.

Project Highlights and Resources

Sierra Atacama features an operational underground mining fleet, crushers, leach pads, and solvent extraction-electrowinning (SX-EW) plants. Current operations handle copper production with potential for substantial expansion. With large areas of unexplored ground nearby, there is notable opportunity for new discoveries and scaling production.

The project’s resource base includes high-quality measured, indicated, and inferred mineral resources, complemented by established mineral reserves at key deposits. While initial estimates follow foreign reporting standards, Cobre plans to validate and convert these into compliant frameworks to support future development.

Expansion and Exploration Strategy

Cobre aims to grow the small-scale underground operation into a larger open pit over the next phase of development. The expansion strategy involves:

  1. Verifying historical exploration data and re-assaying existing drill cores.

  2. Conducting lateral expansion drilling to extend mineralisation along strike.

  3. Combining underground and surface drilling to assess deeper copper zones and possible precious metal credits.

Deep drilling at the site has revealed high-grade copper sulphide mineralisation. A targeted underground and surface program is set to test deeper zones, reinforcing the project’s potential for long-term production growth.

Equity Raise and Use of Funds

The capital raising will support the staged acquisition, capital expenditure for infrastructure expansion, and ongoing exploration in Chile and Botswana. A significant portion of funds is earmarked for expanding the existing SX-EW circuit, upgrading crushers, and strengthening operational capabilities.

This placement demonstrates investor confidence, with cornerstone commitments contributing to a solid funding base. Following completion, Cobre will have substantial shares on issue alongside performance rights allocated to directors and key contributors under the company’s incentive plan.

Corporate Development and Expertise

Cobre has strengthened its advisory team with experienced mining executives who bring operational and strategic expertise. The board is supported by professionals with a track record in global mining operations, ensuring guidance on expansion and asset integration.

These additions are aligned with Cobre’s goal to develop Sierra Atacama into a key growth platform, complementing its existing projects and positioning the company within the broader ASX mining stocks landscape.

Positioning in the Market

With operations in Chile, infrastructure in place, and a clear growth strategy, Cobre is aligning itself for enhanced production and exploration opportunities. Sierra Atacama offers a strong foundation for scaling output while validating resources toward larger open-pit development. The company is also part of the broader ASX stock market, with potential connections to ASX100, ASX200, and ASX300 companies, further strengthening its market presence.

Cobre also aligns with investor interest in ASX dividend stocks, presenting opportunities for long-term engagement with resource-focused portfolios.

Future Outlook

The company is moving rapidly to consolidate its majority stake, execute its expansion plans, and unlock the full value of Sierra Atacama. With significant exploration potential and established operations, Cobre is on a pathway to becoming a key copper producer, leveraging both regional infrastructure and technical expertise.

As the company progresses through its staged earn-in and expansion programs, ongoing updates on exploration results and infrastructure development will provide further insights into the project’s contribution to Cobre’s growth.

Frequently Asked Questions

  • What is the Sierra Atacama project?

    The Sierra Atacama project is a copper mining operation in Chile’s Antofagasta region, featuring underground production, extensive resources, and exploration potential.

     

  • How will Cobre expand the operation?

    Cobre plans to enlarge the existing underground mine into a larger open-pit project, including re-assays, lateral drilling, and underground exploration.

     

  • How is the A$60 million equity raise being used?

    Funds are directed toward acquiring a majority stake, expanding infrastructure, supporting exploration in Chile and Botswana, and general working capital.


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