Kate Blankenship has served as a director of Seadrill since its inception in May 2005. Mrs. Blankenship has also served as a director of Frontline since 2003. Mrs. Blankenship joined Frontline in 1994 and served as its Chief Accounting Officer and Secretary until October 2005. Mrs. Blankenship has been a director of Ship Finance since October 2003. Mrs. Blankenship has been a director of North Atlantic Drilling Limited since February 2011, Independent Tankers Corporation Limited since February 2008, and Golden Ocean Group Limited since November 2004 and Archer Limited since its incorporation in 2007. She is a member of the Institute of Chartered Accountants in England and Wales.