ZUG, Switzerland, Sept. 22, 2017 (GLOBE NEWSWIRE) — Transocean Ltd. (NYSE:RIG) announced today its intent to retire the ultra-deepwater floaters GSF Jack Ryan, Sedco Energy, Sedco Express, Cajun Express, and Deepwater Pathfinder, and the deepwater floater Transocean Marianas. The rigs will be classified as held for sale and will be recycled in an environmentally responsible manner. All six rigs were previously cold stacked.