Cobalt Blue Signs Cobalt Metal Offtake Term Sheet with STG to Advance Kwinana Refinery Commercialization

Published: Oct 20, 2026 09:57 (GMT+8)

According to Cobalt Blue Holdings on October 19, the company has signed a non-binding offtake term sheet with Swiss trader STG Metals GmbH for standard-grade cobalt metal containing more than 99.8% cobalt from its proposed Kwinana Cobalt Refinery in Western Australia.

The proposed agreement covers an initial three-year period from commercial operation, with an option to extend for another three years. Planned purchases are 500–750 tonnes in the first year and 800–1,000 tonnes annually in the second and third years, with pricing linked to Rotterdam standard-grade cobalt market benchmarks.

Kwinana's Stage 1 capacity is planned at approximately 3,000 tonnes per year of contained cobalt, comprising around 1,000 tonnes of cobalt metal and 2,000 tonnes of cobalt contained in sulfate.

Cobalt Blue has already secured a binding feedstock agreement with Glencore and is advancing product qualification at its Broken Hill Technology Centre. The proposed offtake arrangement would strengthen the refinery's sales network and support its final investment decision (FID). A definitive agreement remains subject to further negotiations and execution.

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