# Alcoa to acquire South32 aluminum assets in up to $5.6B deal

Alcoa Corporation has agreed to acquire South32's interests in bauxite, alumina and aluminum operations including Worsley Alumina, Hillside Aluminium, and interests in MRN and Alumar, for up to US$5.6 billion. The deal includes US$3.1 billion cash, US$1.0 billion in Alcoa equity, and up to US$750 million in contingent payments. Completion is expected in the first half of 2027.

- Type: Acquisition
- Announced: 2026-09-11
- Value: $5.60B
- Status: announced
- Products: alumina, aluminum, bauxite
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md)

## Companies

- [Alcoa Corporation](https://endata.com/companies/7297.md) (acquirer)
- [South32](https://endata.com/companies/33959.md) (target)

## Sources

- [stocktitan.net](https://www.stocktitan.net/sec-filings/AA/8-k-alcoa-corp-reports-material-event-5206bc4a3782.html), 2026-09-11: "Alcoa Corporation (AA) reports that South32 Limited has convened a shareholder meeting to vote on selling its interests in several bauxite, alumina and aluminum operations to Alcoa under a June 30, 2026 Umbrella Implementation Deed."

---
Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.