TRANSOCEAN LTD. (NYSE:RIG) Files An 8-K Regulation FD Disclosure

Item 7.01Regulation FD

On June 13, 2017, Transocean Ltd. announced that Transocean Inc.,
its wholly-owned subsidiary, commencedtender offers (the Tender
Offers) to purchase for cash U.S. $1.5billionprincipal amount of
its 2.500% Senior Notes due 2017, 7.375% Senior Notes due 2018,
6.000% Senior Notes due 2018, 6.500% Senior Notes due 2020 and
6.375% Senior Notes due 2021 (collectively, the Notes), subject
to the terms and conditions specified in the related offer to
purchase (the Offer to Purchase). The Tender Offers will expire
at midnight, New York City time, at the end of July 11, 2017,
subject to any extension.The Tender Offers are subject to, and
conditioned upon, the satisfaction or waiver of certain
conditions described in the Offer to Purchase.

A copy of the press release announcing the Tender Offers is
furnished herewith as Exhibit 99.1 and is incorporated herein by
reference.

Since March 31, 2017, Transocean Ltd. or one or more of its
subsidiaries has repurchased in the open market an aggregate
principal amount of approximately U.S. $131 million of Transocean
Inc.s debt securities for an aggregate cash payment of U.S. $132
million.As a result of the repurchases, the aggregate principal
amounts of the following Transocean Inc. notes have been
retired:U.S. $62 million of the 2.500% Senior Notes due 2017,
U.S. $35 million of the 6.000% Senior Notes due 2018, U.S. $1
million of the 7.375% Senior Notes due 2018, U.S. $6 million of
the 6.500% Senior Notes due 2020 and U.S. $27.5 million of the
3.800% Senior Notes due 2022.

Theinformation in this Current Report on Form 8-K, including
Exhibit 99.1, is being furnished to Item 7.01 and shall not be
deemed to be filed for purposes of Section 18 of the Securities
Exchange Act of 1934, as amended, or otherwise subject to the
liabilities of that section, and is not incorporated by reference
into any Transocean Ltd. filing, whether made before or after the
date hereof, regardless of any general incorporation language in
such filing.

Item 9.01Financial Statements and Exhibits

(d) Exhibits.

About TRANSOCEAN LTD. (NYSE:RIG)

Transocean Ltd. is an international provider of offshore contract drilling services for oil and gas wells. The Company’s primary business is to contract its drilling rigs, related equipment and work crews primarily on a day rate basis to drill oil and gas wells. The Company operates through the contract drilling services segment. The Company specializes in technically demanding regions of the global offshore drilling business with a particular focus on deepwater and harsh environment drilling services. Its mobile offshore drilling fleet consists of floaters and high-specification jackups used in support of offshore drilling activities and offshore support services across the world. The Company owns or has partial ownership interests in and operates over 60 mobile offshore drilling , including approximately 30 ultra‑deepwater floaters, over seven harsh environment floaters, over five deepwater floaters, over 10 midwater floaters and approximately 10 high-specification jackups.