2013-03-14 21:18:47 -

Transocean Ltd. /
Transocean Ltd. Provides Fleet Update Summary 
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The issuer is solely responsible for the content of this announcement. 

ZUG, SWITZERLAND--(Marketwire - March 14, 2013) - 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, 2013.

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 www.deepwater.com 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 PROXY STATEMENT (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND ANY
OTHER RELEVANT DOCUMENTS THAT THE COMPANY WILL FILE WITH THE SEC WHEN THEY
BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT 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
( www.sec.gov), or at the company's website ( www.deepwater.com), or
by contacting the company by email at info@deepwater.com. 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
www.deepwater.com.

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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Source: Transocean Ltd. via Thomson Reuters ONE
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