South32 shareholders approve $5.6 bn sale of aluminium assets to Alcoa, excluding Mozal

South32 shareholders voted on 15 Oct 2026 to sell five aluminium and bauxite assets to Alcoa for up to US$5.6 bn. The transaction provides South32 with US$3.1 bn in cash, US$1 bn in new Alcoa shares and transfers about US$750 m of net debt, while excluding the Mozal smelter. Completion is targeted for the first half of 2027, subject to regulatory clearances.

Alcoa will add significant production capacity and expects synergies of about US$900 m that should boost its earnings per share (). South32 will receive cash and shares to fund a special dividend and further shareholder returns ().

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