Transocean is a leading international provider of offshore contract drilling services for oil and gas wells. The company specializes in technically demanding sectors of the global offshore drilling business with a particular focus on deepwater and harsh environment drilling services, and believes that it operates one of the most versatile offshore drilling fleets in the world. Transocean owns or has partial ownership interests in, and operates a fleet of 44 mobile offshore drilling units consisting of 30 ultra-deepwater floaters, seven harsh environment floaters, three deepwater floaters and four midwater floaters. In addition, the company has four ultra-deepwater drillships under construction or under contract to be constructed. The company also operates two jackups that were under contract at the time of sale and will continue to operate such jackups until completion or novation of the drilling contracts.