[CoTec, BMR sign framework agreement for Punitaqui copper joint venture]

Published: Oct 20, 2026 09:10 (GMT+8)

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CoTec and Battery Mineral Resources (BMR) signed a non-binding framework agreement for a proposed strategic joint venture to lift copper output at BMR's Punitaqui mining district in Chile. The partners will assess recovering copper from lower-grade sulphide mineralisation and mine tailings using technologies sourced by CoTec. BMR keeps full ownership and economic interest in existing operations, while added value and extra copper output from CoTec technologies are shared equally. Phase one covers metallurgical testing and a technical and economic review of tailings recovery, lower-grade mineralisation and new production streams; CoTec funds approved third-party tests. CEO Julian Treger said Punitaqui offers an established operating platform and significant growth potential.

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