Transocean Ltd has issued a monthly
 fleet update summary which includes new contracts, significant
 changes to existing contracts, and changes in estimated planned out of service time of 15 days or more.
 Since the May update, backlogs associated with new contracts or 
extensions is approximately $2.5 billion and planned 2012 out of
 service time has decreased by a net 19 days.

Highlights are as follows:

• ‘Deepwater Nautilus’ - Awarded a five-year contract extension for work in the U.S. Gulf of Mexico at a day-rate of $525,000 ($958 million contract backlog). The rig's prior three-year contract day-rate was $551,000.

• 'Sedco 702' - Awarded a three-year contract extension at a day-rate of $461,000 ($505 million contract backlog). The rig's prior day-rate was $357,000.

• Paul B. Loyd, Jr. - The customer exercised an option at a day-rate of $345,000 and signed a follow-on 545-day contract for work in the UK sector of the North Sea at a day-rate of $440,000 ($281 million combined contract backlog).

• Sedco 704 - Awarded a two-year contract for work in the UK. sector of the North Sea at a day-rate of $355,000 ($259 million contract backlog). The rig's prior day-rate was $280,000.

• Sedco 711 - Awarded a two-year contract extension for work in the U.K. sector of the North Sea at a day-rate of $350,000 ($256 million contract backlog). The rig's prior day-rate was $275,000.

• Trident XIV - Awarded a two-year contract for work offshore Angola at a day-rate of $116,000 ($85 million contract backlog). The rig's prior day-rate was $102,000.

• Effective May 31, 2012, the company owns 100 percent of the 'Dhirubhai Deepwater KG1' and 'Dhirubhai Deepwater KG2'. Previously, the rigs were owned by a joint venture in which the company owned a 50 percent interest.

• The company has sold the 'GSF Adriatic II', which was previously held for sale. The details of the transaction have not been disclosed.