Seadrill hereby confirms that on June 3, 2010, the ultra-deepwater semi-submersible rig West Sirius will start operations for BP.

The term contract between Seadrill and Devon Energy for West Sirius for operations in the US Gulf of Mexico has been assigned to BP through an agreement between BP, Devon Energy and Seadrill related to BP's acquisition of deepwater exploration acreage and prospects in the US Gulf of Mexico from Devon, announced in March 2010.

As such, West Sirius has a remaining contract duration with BP in excess of four years.