Transocean Ltd. (NYSE: RIG) (“Transocean”) today announced that the Deepwater Corcovado was awarded a 1,156-day contract extension with Petrobras in direct continuation of its current activity. The extension is expected to contribute approximately $445 million in incremental backlog and commit the rig through November 2030. Prior to the extension period, from April 1, 2026, until the commencement of the new contract in September 2027 (approximately 525 days), the existing backlog will be reduced by approximately $20 million.

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 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.

About Petrobras

Petrobras has upwards of 100 production platforms, 16 refineries, 30,000 kilometers of pipelines and more than 6,000 service stations. Our proved reserves are around 14 billion barrels of oil, a figure expected to double in the next few years. With the discovery of oil and gas in the pre-salt region, Brazil may become the world's fourth biggest oil producer in 2030.