---
title: "Alcoa to Buy South32 Aluminium Assets in Deal Valued up to US$5.6B; US$3.1B Cash + US$1B Stock"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/298730916.md"
description: "Alcoa agreed to acquire South32's aluminium assets in a deal valued up to US$5.6 billion, comprising US$3.1 billion in cash, approximately US$1 billion in Alcoa shares, and contingent payments. Alcoa will assume related debt and liabilities. The transaction repositions South32 as a base-metals focused company, expected to boost its copper-equivalent production by ~55%. South32's board unanimously recommends the deal."
datetime: "2026-09-11T12:23:01.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/298730916.md)
  - [en](https://longbridge.com/en/news/298730916.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/298730916.md)
generator: "portal-rs"
---

# Alcoa to Buy South32 Aluminium Assets in Deal Valued up to US$5.6B; US$3.1B Cash + US$1B Stock

**Alcoa to acquire South32’s aluminium value chain assets in a proposed deal implying up to US$5.6 billion enterprise value.**

**Key Highlights:**

-   Alcoa and South32 entered an Umbrella Implementation Deed for sale of bauxite, alumina and aluminium assets; shareholders vote at South32 AGM.
-   Consideration structure: US$3.1B upfront cash, ~US$1.0B in Alcoa shares/CDIs (17,008,960 units) and up to US$750M contingent price‑linked cash.
-   Alcoa to assume ~US$750M net debt/lease liabilities and ~US$1.1B of rehabilitation provisions related to the Sale Business.
-   Transaction would reposition South32 as a base‑metals focused company and is expected to boost remaining business copper‑equivalent production ~55%.
-   South32 Board unanimously recommends the Disposal Resolution; Independent Expert found the deal fair and reasonable absent a superior proposal.

Original SEC Filing: Alcoa Corp \[ AA \] - 8-K - Sep. 11, 2026

**Disclaimer**

This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC.

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**