ZUG, Switzerland, Nov. 2, 2009 (GLOBE NEWSWIRE) -- Transocean Ltd. (NYSE:RIG) today issued a monthly fleet update summary covering only newly signed contracts, significant changes to existing contracts and changes to estimated out of service time of 60 days or more since our fleet status report dated October 8, 2009.

Drilling rig status and contract information on the company's offshore drilling fleet has been condensed into a report titled "Transocean Fleet Status Report," which is available through the company's Web address at www.deepwater.com. The report can be accessed from the home page of the Web address by clicking on the Fleet Update Report link found in the tool bar.

The Transocean Ltd. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=2252

FORWARD-LOOKING STATEMENTS

Statements regarding the estimated duration of client contracts, contract dayrate amounts, future contract commencement dates and locations, planned shipyard projects and other out of service time, as well as any other statements that are not historical facts in the report, are forward-looking statements that involve certain risks, uncertainties and assumptions. These include but are not limited to operating hazards and delays, risks associated with international operations, actions by customers and other third parties, the future prices of oil and gas and other factors detailed in the company's most recent Form 10-K and other filings with the Securities and Exchange Commission. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those indicated.

Transocean Ltd. is the world's largest offshore drilling contractor and the leading provider of drilling management services worldwide. With a fleet of 136 mobile offshore drilling units plus seven announced ultra-deepwater newbuild units, the company's fleet is considered one of the most modern and versatile in the world due to its emphasis on technically demanding segments of the offshore drilling business. The company owns or operates a contract drilling fleet of 42 High-Specification Floaters (Ultra-Deepwater, Deepwater and Harsh-Environment semisubmersibles and drillships), 26 Midwater Floaters, 10 High-Specification Jackups, 55 Standard Jackups and other assets utilized in the support of offshore drilling activities worldwide.

CONTACT:  Transocean Ltd. 
          Analyst Contact:
          Gregory S. Panagos
            +1 713-232-7551
          Media Contact:
          Guy A. Cantwell
            +1 713-232-7647