Transocean Proxy Statement and 2010 Annual Report

High-Specification Floaters
The following table provides certain information regarding our 47 High-Specification Floaters as of February 10, 2011:
Year Water Drilling
entered depth depth
service/ capacity capacity
Name Type upgraded (a) (in feet) (in feet) Location
Ultra-Deepwater Floaters (26)
Discoverer Clear Leader (b) (c) (d) HSD 2009 12,000 40,000 U.S. Gulf
Discoverer Americas (b) (c) (d) HSD 2009 12,000 40,000 Egypt
Discoverer Inspiration (b) (c) (d) HSD 2010 12,000 40,000 U.S. Gulf
Petrobras 10000 (b) (c) (d) HSD 2009 12,000 37,500 Brazil
Dhirubhai Deepwater KG1 (b) (d) (e) HSD 2009 12,000 35,000 India
Dhirubhai Deepwater KG2 (b) (d) (e) HSD 2010 12,000 35,000 India
Discoverer India (b) (c) (d) HSD 2010 10,000 40,000 India
Discoverer Deep Seas (b) (c) (d) HSD 2001 10,000 35,000 U.S. Gulf
Discoverer Enterprise (b) (c) (d) HSD 1999 10,000 35,000 U.S. Gulf
Discoverer Spirit (b) (c) (d) HSD 2000 10,000 35,000 U.S. Gulf
GSF C.R. Luigs (b) HSD 2000 10,000 35,000 U.S. Gulf
GSF Jack Ryan (b) HSD 2000 10,000 35,000 Nigeria
Deepwater Discovery (b) HSD 2000 10,000 30,000 Brazil
Deepwater Frontier (b) HSD 1999 10,000 30,000 Timor-Leste
Deepwater Millennium (b) HSD 1999 10,000 30,000 Ghana
Deepwater Pathfinder (b) HSD 1998 10,000 30,000 U.S. Gulf
Deepwater Expedition (b) HSD 1999 8,500 30,000 Malaysia
Cajun Express (b) (f) HSS 2001 8,500 35,000 Brazil
Deepwater Nautilus (g) HSS 2000 8,000 30,000 U.S. Gulf
GSF Explorer (b) HSD 1972/1998 7,800 30,000 Indonesia
Discoverer Luanda (b) (c) (d) (h) HSD 2010 7,500 40,000 Angola
GSF Development Driller I (b) (c) HSS 2005 7,500 37,500 U.S. Gulf
GSF Development Driller II (b) (c) HSS 2005 7,500 37,500 U.S. Gulf
Development Driller III (b) (c) (d) HSS 2009 7,500 37,500 U.S. Gulf
Sedco Energy (b) (f) HSS 2001 7,500 35,000 Nigeria
Sedco Express (b) (f) HSS 2001 7,500 35,000 Israel
Deepwater Floaters (16)
Deepwater Navigator (b) HSD 1971/2000 7,200 25,000 Brazil
Discoverer 534 (b) HSD 1975/1991 7,000 25,000 Idle
Discoverer Seven Seas (b) HSD 1976/1997 7,000 25,000 India
Transocean Marianas (g) HSS 1979/1998 7,000 25,000 Nigeria
Sedco 702 (b) HSS 1973/2007 6,500 25,000 Nigeria
Sedco 706 (b) HSS 1976/2008 6,500 25,000 Brazil
Sedco 707 (b) HSS 1976/1997 6,500 25,000 Brazil
GSF Celtic Sea (g) HSS 1982/1998 5,750 25,000 Angola
Jack Bates (g) HSS 1986/1997 5,400 30,000 Australia
M.G. Hulme, Jr. (g) HSS 1983/1996 5,000 25,000 Idle
Sedco 709 (b) HSS 1977/1999 5,000 25,000 Stacked
Transocean Richardson (g) HSS 1988 5,000 25,000 Angola
Jim Cunningham (g) HSS 1982/1995 4,600 25,000 Stacked
Sedco 710 (b) HSS 1983/2001 4,500 25,000 Brazil
Sovereign Explorer (g) HSS 1984 4,500 25,000 Stacked
Transocean Rather (g) HSS 1988 4,500 25,000 Angola
Harsh Environment Floaters (5) (g)
Henry Goodrich HSS 1985/2007 5,000 30,000 Canada
Transocean Leader HSS 1987/1997 4,500 25,000 Norwegian N. Sea
Paul B. Loyd, Jr. HSS 1990 2,000 25,000 U.K. N. Sea
Transocean Arctic HSS 1986 1,650 25,000 Norwegian N. Sea
Polar Pioneer HSS 1985 1,500 25,000 Norwegian N. Sea
______________________________
“HSD” means high-specification drillship.
“HSS” means high-specification semisubmersible.
(a) Dates shown are the original service date and the date of the most recent upgrade, if any.
(b) Dynamically positioned.
(c) Dual-activity.
(d) Enhanced Enterprise-class or Enterprise-class rig.
(e) Owned through our 50 percent interest in Transocean Pacific Drilling Inc. and pledged as collateral for debt of the joint venture company.
(f) Express-class rig.
(g) Moored floaters.
(h) Owned through our 65 percent interest in Angola Deepwater Drilling Company Limited and pledged as collateral for the debt of the joint venture company.
AR-6