Transocean Offers Fleet Update Summary

Transocean Ltd.

today issued a monthly Fleet Update Summary which includes new contracts, changes to existing contracts, and changes in estimated planned out-of-service time of 15 or more days since August 21, 2014. The total value of new contracts since the August 21, 2014 Fleet Update Summary is approximately $115 million. Other highlights include: * Transocean Honor - Awarded a one year contract extension in Angola at a dayrate of $194,000 ($71 million estimated backlog). The rig's prior dayrate was $155,000. * Jack Bates - Awarded a one-well contract in an undisclosed location at a dayrate of $440,000 ($26 million estimated backlog). The rig's prior dayrate was $380,000. * M.G. Hulme, Jr. - Awarded a one-well contract in an undisclosed location at a dayrate of $200,000 ($18 million estimated backlog). The rig was previously idle. * The ultra-deepwater floater, GSF Jack Ryan, is idle. * Estimated 2014 planned out-of-service time increased by a net 17 days. Estimated 2015 planned out-of-service time decreased by a net 140 days, including 124 days on the GSF Jack Ryan.