July 21 (Reuters) - Europe's biggest hotel group Accor (ACCP.PA) announced on Friday it has entered exclusive negotiations with Andera Partners and partner investors to acquire a 63% stake in Potel & Chabot and become the sole shareholder of the company. The transaction is expected to be completed in autumn, Accor said in a statement. Following this transaction, Potel & Chabot will be consolidated within Accor's Luxury & Lifestyle Division, Accor added. Reporting by Dina Kartit, Editing by Louise HeavensOur Standards: The Thomson Reuters Trust Principles.

---

Persons: Accor, Chabot, Dina Kartit, Louise Heavens Organizations: Andera Partners, Potel, Accor's, Thomson Locations: Potel