South32 reports 11Mt underground Ore Reserve at Cannington, with ~290ktpa zinc-equivalent guidance for FY27–FY28

Published: Aug 27, 2026 10:27

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South32’s FY26 results materials show that Cannington has an 11Mt underground Ore Reserve, extending reserve life to FY33. The operation also holds a 44Mt underground Mineral Resource and a 27Mt open-pit Mineral Resource, while underground and open-pit life-extension options continue to advance.

FY26 payable production at Cannington was 39.2kt of zinc, 82.9kt of lead and 8.906Moz of silver. On the FY26 realised-price basis, zinc-equivalent production was 290.0kt. South32 guides to approximately 290kt of zinc-equivalent production in both FY27 and FY28, supported by processing lower-grade stockpiles.

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