# Carmeuse to acquire cbb (Cementos Bío Bío) for US$505 million

Belgium-based Carmeuse has signed a binding agreement to acquire 100% of shares of Chilean company cbb (formerly Cementos Bío Bío) through a tender offer valued at US$505 million. Shareholders representing 64.57% of shares have agreed to tender their holdings.

- Type: Acquisition
- Announced: 2025-08-07
- Where: Chile
- Value: $505.0M
- Status: announced
- Products: lime, limestone derivatives, cement
- Sectors: [Construction Materials](https://endata.com/sectors/construction-materials.md)

## Companies

- [Cementos Bío Bío](https://endata.com/companies/38176.md) (target)
- [Carmeuse](https://endata.com/companies/86516.md) (acquirer)
- [cbb](https://endata.com/companies/86517.md) (target)

## Sources

- [globalcement.com](https://www.globalcement.com/news/19730-carmeuse-to-acquire-cbb), 2025-08-07: "The acquisition aligns with its interest in cbb's lime production through subsidiary Bío Bío Cales, which operates plants in Antofagasta and Copiapó."
- [carmeuse.com](https://www.carmeuse.com/eu-en/newsroom/global/carmeuse-announces-acquisition-controlling-stake-cementos-bio-bio), 2025-09-15: "The Carmeuse Group has acquired a 97.1% stake in the Chilean publicly traded company."
- [manda.be](https://manda.be/articles/carmeuse-expands-in-south-america-with-majority-acquisition-of-chiles-cementos-bio-bio/), 2025-09-15: "Belgium’s Carmeuse Group has acquired a controlling stake of 97.1 percent in Cementos Bío Bío S.A. (CBB), a Chilean industrial group listed on the Santiago Stock Exchange."

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