Transocean Ltd. Announces First Quarter 2019 Earnings Release Date

Transocean Ltd. (NYSE: RIG) announced today that it will report earnings for the first quarter of 2019, on Monday, April 29, 2019, following the close of trading on the NYSE.

The company will conduct a teleconference to discuss the results starting at 9 a.m. EDT, 3 p.m. CEST, on Tuesday, April 30, 2019. Individuals who wish to participate should dial [phone] and refer to conference code 2036923 approximately 10 minutes prior to the scheduled start time.

The teleconference will also be simulcast in a listen-only mode at: www.deepwater.com, by selecting Investors, News, and Webcasts. A replay of the conference call will be available after 12 p.m. EDT, 6 p.m. CEST, on April 30, 2019. The replay, which will be archived for approximately 30 days, can be accessed at [phone], passcode 2036923 and PIN 3332. The replay also will be available on the company's website.

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 the highest specification floating offshore drilling fleet in the world.

Transocean owns or has partial ownership interests in, and operates a fleet of 48 mobile offshore drilling units consisting of 31 ultra-deepwater floaters, 13 harsh environment floaters, and four midwater floaters. In addition, Transocean is constructing four ultra-deepwater drillships; and one harsh environment semisubmersible in which the company has a 33.0% interest.

For more information about Transocean, please visit: www.deepwater.com.

Analyst Contacts:Bradley Alexander+1 713-232-7515

Lexington May+1 832-587-6515

Media Contact:Pam Easton+1 713-232-7647