IUMIWorld Mobile Drilling Fleet Statistics

Prepared byIUMI Facts and Figures

and Offshore Energy Committees

Source: Rigzone, Willis and IADC

0

100

200

300

400

500

600

700

800

900

1,000

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

WorldwideROWGOM

Mobiles - Fleet Size by Region - All Rigs

Source: Rigzone

Mobiles - Fleet Size by Region - Contracted Rigs

0

100

200

300

400

500

600

700

800

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

WorldwideROWGOM

Source: Rigzone

Mobiles - New Builds

0

20

40

60

80

100

1970 1975 1980 1985 1990 1995 2000 2005 2010Delivery Year

Source: Rigzone

Mobiles - Day Rates by RegionJackups, Semisubs, and Drillships only

$0

$20,000

$40,000

$60,000

$80,000

$100,000

$120,000

$140,000

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

WorldwideGOMROW

Source: Rigzone

Mobiles - Day Rates by Region: Annual ChangeJackups, Semisubs, and Drillships only

-60%

-40%

-20%

0%

+20%

+40%

+60%

+80%

1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

WorldwideGOMROW

Source: Rigzone

Mobiles - Day Rates by TypeJackups, Semisubs, and Drillships only

$0

$25,000

$50,000

$75,000

$100,000

$125,000

$150,000

$175,000

$200,000

$225,000

$250,000

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

JackupsSemisubsDrillships

Source: Rigzone

Mobiles - Day Rates by Type: Gulf of Mexico Jackups, Semisubs, and Drillships only

$0

$50,000

$100,000

$150,000

$200,000

$250,000

$300,000

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

JackupsSemisubsDrillships

Source: Rigzone

Mobiles - Day Rates by Type: Rest of World Jackups, Semisubs, and Drillships only

$0

$50,000

$100,000

$150,000

$200,000

$250,000

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

JackupsSemisubsDrillships

Source: Rigzone

Mobiles - Utilisation Rates by Type

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

ALLJackupsSemisubsDrillshipsDrillbargesPlatform RigsSubmersibles

Source: Rigzone

Mobiles - Utilisation Rates by Region

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

WorldwideGOMROW

Source: Rigzone

Mobiles - Utilisation Rates by Region: Annual Change

-30%

-25%

-20%

-15%

-10%

-5%

0%

+5%

+10%

+15%

1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

WorldwideGOMROW

Source: Rigzone

Mobiles - Claims CostLosses over $1m only

$0

$200

$400

$600

$800

$1,000

$1,200

1972 1977 1982 1987 1992 1997 2002 2007 est.

M ill ions

Totalexc Cats

Source: Willis

Mobiles - Average Claims CostLosses over $1m only; exc Cat claims

$0

$5

$10

$15

$20

$25

$30

1972 1977 1982 1987 1992 1997 2002 2007 est.

M illions

Source: Willis

Mobiles - Number of Losses by SizeLosses over $1m only

0

10

20

30

40

50

60

70

1972 1977 1982 1987 1992 1997 2002 2007 est.

CatAttrit ional

Source: Willis

Mobiles - Claims Frequency as % of Contracted Rigs - Losses over $1m only

0%

1%

2%

3%

4%

5%

6%

7%

8%

9%

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

est

.

Totalexc Cats

Source: Willis, Rigzone

Mobiles - Claims Frequency as % of Contracted Rigs by Type Losses over $1m only

0%

1%

2%

3%

4%

5%

6%

7%

8%

9%

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

est

.

UnknownPlat form rigDrillshipSubmersibleSemisubJackup

Source: Willis, Rigzone

Mobiles - Claims Frequency as % of Contracted Rigs by CauseLosses over $1m only

0%

1%

2%

3%

4%

5%

6%

7%

8%

9%

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

est

.

UnknownOtherLegpunchthroughFireBlowoutDesign/workmanshipM echanical failureNatural exc WindWindstorm

Source: Willis, Rigzone

Mobiles - Claims Frequency as % of Contracted Rigs by Cause: Natural Hazards Losses over $1m only

0%

1%

2%

3%

4%

5%

6%

7%

8%

9%

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

est

.

Natural exc WindWindstorm

Source: Willis, Rigzone

Mobiles - Claims Frequency as % of Contracted Rigs by Cause: Non-Natural HazardsLosses over $1m only

0%

1%

2%

3%

4%

5%

6%

7%

8%

9%

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

est

.

UnknownOtherLegpunchthroughFireBlowoutDesign/workmanshipM echanical failure

Source: Willis, Rigzone

Mobiles - Claims Frequency as % of Contracted Rigs by Area Losses over $1m only

0%

1%

2%

3%

4%

5%

6%

7%

8%

9%

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

est

.

AustralasiaFar EastM iddle EastAfricaEuropeSouth AmericaNorth AmericaGulf of M exico

Source: Willis, Rigzone

Mobiles - Claims Frequency as % of Contracted Rigs vs Day RateLosses over $1m only

0.0%

1.5%

3.0%

4.5%

6.0%

7.5%

9.0%

199619971998199920002001200220032004200520062007est.

$0

$20,000

$40,000

$60,000

$80,000

$100,000

$120,000

Claims Frequency

Day Rate

Source: Willis, Rigzone

Mobiles - Claims Frequency as % of Contracted Rigs vs Utilisation RateLosses over $1m only

0.0%

1.5%

3.0%

4.5%

6.0%

7.5%

9.0%

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

est

. 65%

70%

75%

80%

85%

90%

95%

Claims Frequency

Utilisation rate

Source: Willis, Rigzone

Mobiles - Claims Frequency as % of Contracted Rigs vs Oil PriceLosses over $1m only

0.0%

1.5%

3.0%

4.5%

6.0%

7.5%

9.0%

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007est.

$10

$20

$30

$40

$50

$60

$70

Claims Frequency

Brent Crude

Source: Willis, Rigzone

Mobiles - FatalitiesAll Offshore Deaths

0

2

4

6

8

10

12

14

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006

EuropeInternat ionalUS

Source: IADC