Transocean Ltd. Announces $243 Million in Exercised Options for Ultra-Deepwater Drillships

Steinhausen, Switzerland - October 1, 2025

Transocean Ltd. (NYSE: RIG) ("Transocean") today announced contract fixtures for two of its ultra-deepwater drillships.

In aggregate, the fixtures represent approximately $243 million in firm contract backlog.

In the U.S. Gulf of America, bp exercised a 365-day option for the Deepwater Atlas in direct continuation of its firm contract. The program is expected to contribute approximately $232 million in backlog.

In Brazil, Petrobras exercised a 30-day option for the Deepwater Mykonos in direct continuation of its firm program. The program is expected to contribute approximately $11 million in backlog.

About Transocean
Transocean is a leading international provider of offshore contract drilling services for oil and gas wells.

Transocean specializes in technically demanding sectors of the global offshore drilling business with a particular focus on ultra-deepwater and harsh environment drilling services and operates the highest specification floating offshore drilling fleet in the world.

Transocean owns or has partial ownership interests in and operates a fleet of 27 mobile offshore drilling units, consisting of 20 ultra-deepwater floaters and seven harsh environment floaters.

Transocean Ltd. press release