# Alcoa to acquire South32's bauxite, alumina and aluminum assets for $4.1B

Alcoa Corporation has entered into a definitive agreement to acquire South32 Limited's interests in bauxite mine, alumina refinery and aluminum smelter operations for an upfront consideration of approximately $4.1 billion in cash and stock, plus a contingent value right of up to $750 million.

- Type: Acquisition
- Announced: 2026-06-30
- Where: Australia, Brazil, South Africa
- Value: $4.10B
- Status: announced
- Capacity: 5.2 million metric tons of alumina and 900,000 metric tons of primary aluminum per year (pro forma increase)
- Products: bauxite, alumina, aluminum
- 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

- [news.alcoa.com](https://news.alcoa.com/press-releases/press-release-details/2026/Alcoa-Announces-Strategic-Acquisition-of-South32s-Bauxite-Alumina-and-Aluminum-Assets-for-4-1-billion/default.aspx), 2026-06-30: "Alcoa Corporation today announced that it has entered into a definitive agreement to acquire South32 Limited’s interests in bauxite mine, alumina refinery and aluminum smelter operations in a cash and stock transaction for an upfront consideration of approximately $4.1 billion."
- [valorinternational.globo.com](https://valorinternational.globo.com/business/news/2026/07/01/alcoa-to-buy-south32s-alumina-and-bauxite-assets-for-41bn.ghtml), 2026-07-01: "Alcoa announced on Tuesday (30) a final agreement to acquire South32’s interests in bauxite, alumina, and aluminum assets for approximately $4.1 billion in a cash-and-stock transaction."
- [listcorp.com](https://www.listcorp.com/asx/aai/alcoa-corporation/news/rule-425-filing-3372395.html), 2026-07-01: "Thank you for joining us on short notice to discuss Alcoa's announcement to acquire South32 Limited's interest in bauxite, alumina and aluminum assets."
- [sec.gov](https://www.sec.gov/Archives/edgar/data/1675149/000095010326010155/dp249367_8k-mc.htm), 2026-07-02: "On June 30, 2026, Alcoa Corporation entered into an Umbrella Implementation Deed to acquire South32 Limited's interests in bauxite mine, alumina refinery and aluminum smelter operations."
- [clearygottlieb.com](https://www.clearygottlieb.com/news-and-insights/news-listing/alcoa-in-4-1-billion-acquisition-of-south32s-bauxite-alumina-and-aluminum-assets), 2026-07-03: "Alcoa in a $4.1 Billion Acquisition of South32's Bauxite, Alumina, and Aluminum Assets"
- [stocktitan.net](https://www.stocktitan.net/sec-filings/AA/425-alcoa-corp-business-combination-communication-fd80e2c266e0.html), 2026-07-17: "The acquisition remains proposed rather than completed."
- [plantservices.com](https://www.plantservices.com/industry-news/news/55395415/its-just-business-rocket-lab-alcoa-globalfoundries-and-more), 2026-08-03: "Alcoa...has agreed to acquire South32's bauxite, alumina, and aluminum assets in Australia, Brazil, and South Africa for approximately $4.1 billion in cash and stock."

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