Transocean Ltd. Provides Fleet Update Summary

Transocean Ltd. Provides Fleet Update Summary 
ZUG, SWITZERLAND -- (Marketwire) -- 03/14/13 --  Transocean Ltd.
(NYSE: RIG) (SIX: RIGN) today 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
or more days associated with continuing operations since February 14,
Highlights are as follows: 

--  Estimated 2013 out of service time decreased by a net 45 days.
--  The company sold two standard jackups, GSF Adriatic VIII and D.R.
    Stewart, which were previously held for sale. The details of the
    transactions have not been disclosed.
--  Well Control Equipment Recertification -- The company has now obtained
    third party certification of well control equipment on 42 of its 64
    active floaters, including 24 of its 27 ultra-deepwater rigs.

The report can be accessed at by clicking on the
Fleet Status Report link found in the toolbar. 
Important Additional Information 
The company, its directors and certain of its executive officers and
employees may be deemed to be participants in the solicitation of
proxies from shareholders in connection with the company's 2013
Annual General Meeting (the "2013 Annual General Meeting"). The
company plans to file a proxy statement with the SEC in connection
with the solicitation of proxies for the 2013 Annual General Meeting
(the "2013 Proxy Statement"). SHAREHOLDERS ARE URGED TO READ THE 2013
INFORMATION. Additional information regarding the identity of these
potential participants, none of whom owns in excess of 1 percent of
the company's shares, and their direct or indirect interests, by
security holdings or otherwise, will be set forth in the 2013 Proxy
Statement and other materials to be filed with the SEC in connection
with the 2013 Annual General Meeting. This information can also be
found in the company's definitive proxy statement for its 2012 Annual
General Meeting (the "2012 Proxy Statement"), filed with the SEC on
April 6, 2012. To the extent holdings of the company's securities
have changed since the amounts printed in the 2012 Proxy Statement,
such changes have been or will be reflected on Statements of Change
in Ownership on Form 4 filed with the SEC. Shareholders will be able
to obtain, free of charge, copies of the 2013 Proxy Statement and any
other documents, including the WHITE proxy card, filed by the company
with the SEC in connection with the 2013 Annual General Meeting at
the SEC's website (, or at the company's website
(, or by contacting the company by email at In addition, copies of the proxy materials, when
available, may be requested from the company's proxy solicitor,
Innisfree M&A Incorporated, 501 Madison Avenue, 20th Floor, New York,
NY 10022. 
Forward-Looking Statements 
Statements regarding the estimated duration of customer contracts,
contract dayrate amounts, future contract commencement dates and
locations, planned shipyard projects and other out of service time,
sales of drilling units, 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. 
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, 82 mobile offshore drilling units consisting of 48
High-Specification Floaters (Ultra-Deepwater, Deepwater and
Harsh-Environment drilling rigs), 25 Midwater Floaters and nine
High-Specification Jackups. In addition, we have six Ultra-Deepwater
Drillships and three High-Specification Jackups under construction. 
For more information about Transocean, please visit the website 
Analyst Contacts:
Thad Vayda
+1 713-232-7551 
Diane Vento
+1 713-232-8015 
Media Contact:
Guy A. Cantwell
+1 713-232-7647 
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