# Rio Tinto and Chalco to acquire Votorantim's stake in CBA for $902.6 million

Rio Tinto and Aluminum Corporation of China Limited (Chalco) have entered into a definitive agreement to acquire Votorantim's 68.596% controlling shareholding in Companhia Brasileira de Alumínio (CBA) for approximately $902.6 million, through a joint venture owned 33% by Rio Tinto and 67% by Chalco.

- Type: Acquisition
- Announced: 2019-03-06
- Where: Brazil
- Value: $902.6M
- Status: announced
- Products: aluminium, bauxite, alumina
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md)

## Companies

- [Rio Tinto](https://endata.com/companies/4215.md) (acquirer)
- [Aluminum Corporation of China](https://endata.com/companies/20411.md) (acquirer)
- [Votorantim S.A.](https://endata.com/companies/22419.md) (target)
- [Companhia Brasileira de Alumínio](https://endata.com/companies/32162.md) (target)

## Sources

- [markets.financialcontent.com](https://markets.financialcontent.com/bostonherald/article/bizwire-2026-1-30-rio-tinto-strengthens-its-global-low-carbon-aluminium-footprint-through-joint-acquisition-with-chalco-of-votorantims-interest-in-cba), 2019-03-06: "Rio Tinto and Aluminum Corporation of China Limited (Chalco) have entered into a definitive agreement with Votorantim to acquire... Votorantim’s 68.596% controlling shareholding in Companhia Brasileira de Alumínio (CBA)."

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