STEINHAUSEN, Switzerland, Nov. 18, 2020 (GLOBE NEWSWIRE) -- Transocean Ltd. (NYSE: RIG) announced today that Petrobras has exercised a 680-day preexisting, fixed price option for the Deepwater Corcovado, and a 815-day preexisting, fixed price option for the Deepwater Mykonos. Together these contract extensions add approximately $297 million to Transocean’s industry leading backlog. Both rigs will continue to operate in Brazil and are subject to annual indexed dayrate escalations.