# Orlen acquires full ownership of butadiene unit developer S54 from Synthos

ORLEN signed an agreement with Synthos to acquire full ownership of S54, the company developing a new butadiene extraction unit at ORLEN's Production Plant in Płock. The transaction is valued at approximately PLN 692 million.

- Type: Acquisition
- Announced: 2025-12-01
- Where: Płock, Poland
- Value: $170.0M (692.0M PLN)
- Status: announced
- Products: butadiene, raffinate
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md)

## Companies

- [Orlen](https://endata.com/companies/25981.md) (acquirer)
- [Synthos](https://endata.com/companies/52062.md) (target)

## Sources

- [hydrocarbonprocessing.com](https://hydrocarbonprocessing.com/news/2025/12/orlen-takes-control-of-key-petrochemical-unit-in-deal-with-synthos), 2025-12-01: "ORLEN has signed an agreement with Synthos to acquire full ownership of S54, the company developing a new butadiene extraction unit."

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