Transocean Ltd. Announces Departure of General Counsel

ZUG, SWITZERLAND-September 3, 2015-Transocean Ltd. RIG RIGN today announced that Lars Sjöbring, Senior Vice President and General Counsel, has informed Transocean that he will be leaving the company. Mr. Sjöbring has agreed to aid in the search for a replacement, but will resign no later than December 31, 2015.

"Lars has done an outstanding job guiding Transocean through the extensive litigation following the Macondo Well incident, and was instrumental in securing the related settlements with BP and the Plaintiff's Steering Committee announced earlier this year," said Jeremy Thigpen, Transocean's President and Chief Executive Officer. "On behalf of Transocean, I thank Lars for his service, and wish him great success in his future endeavors."

About Transocean

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, 63 mobile offshore drilling units consisting of 27 ultra-deepwater floaters, six deepwater floaters, seven harsh-environment semisubmersibles, 13 midwater semisubmersibles, and 10 high-specification jackups. In addition, the company has seven ultra-deepwater drillships and five high-specification jackups under construction.

For more information about Transocean, please visit the website: www.deepwater.com.

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