Hamilton, Bermuda, June 30, 2010 - Seadrill has taken delivery of the new deepwater drillship West Gemini from the Samsung Shipyard in South Korea. The unit was delivered on budget and one day ahead of original delivery schedule. The vessel will carry out a simulated drilling operation in Korean waters before relocation to Angola in West Africa to commence operations under a two-year contract with Total. Alf C Thorkildsen, Chief Executive Officer in Seadrill Management AS, says, "We are pleased to report the third consecutive on-time, on-budget delivery of a deepwater drillship to Seadrill from the Samsung Shipyard and look forward to commence what will be our first deepwater drilling operation offshore Angola for Total. The completion of our 10(th) newbuilding project within two years confirms Seadrill's ability to manage complex projects within time and cost and is a great achievement for our organization and the people involved." Contact: Jim Dåtland Vice President Investor Relations Seadrill Management AS +47 51 30 99 19 This information is subject of the disclosure requirements acc. to §5-12 vphl (Norwegian Securities Trading Act) [HUG#1428646] This announcement is distributed by Thomson Reuters on behalf of Thomson Reuters clients. The owner of this announcement warrants that: (i) the releases contained herein are protected by copyright and other applicable laws; and (ii) they are solely responsible for the content, accuracy and originality of the information contained therein. All reproduction for further distribution is prohibited. Source: Seadrill Limited via Thomson Reuters ONE