Abu Dhabi's ADNOC has struck a deal to buy German chemicals maker Covestro for 14.7 billion euros ($16.3 billion), including debt, in the energy giant's biggest ever acquisition.

Abu Dhabi National Oil Company (ADNOC), through its subsidiary ADNOC International, has signed an agreement to acquire German chemical manufacturer Covestro for €11.7bn (Dh47.43bn). The acquisition terms include a public takeover offer for all outstanding shares of Covestro at €62 per share.

There are no plans to sell, close or significantly reduce its business activities as part of the transaction, Covestro officials said.