UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): March 1, 2013

TRANSOCEAN LTD.

(Exact name of registrant as specified in its charter)

Switzerland		000-53533		98-0599916
(State or other jurisdiction of incorporation or organization)		(Commission File Number)		(I.R.S. Employer Identification No.)

10 Chemin de Blandonnet

1214 Vernier, Geneva

Switzerland

CH-1214

(Address of principal executive offices)

(zip code)

Registrant’s telephone number, including area code: +41 (22) 930-9000

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02. Results of Operations and Financial Condition

Our press release dated March 1, 2013, concerning financial results for the fourth quarter and fiscal year ended December 31, 2012, furnished as Exhibit 99.1 to this report, is incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits.

Exhibit No.		Description

99.1		Press Release Reporting Fourth Quarter and Full-Year 2012 Financial Results

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		TRANSOCEAN LTD.


Date: March 1, 2013	By	/s/ Jill S. Greene
		Jill S. Greene
		Authorized Person

Index to Exhibits

Exhibit Number		Description

99.1		Press Release Reporting Fourth Quarter and Full-Year 2012 Financial Results