1. Noble Corporation
NYSE: NE
Challenges on the environmental management
of remote operations – Benefits of the use of
statistical e-reporting tools
Franco Marques
04 October 2006

2. Forward Looking Statement
NYSE: NE
This presentation contains “forward-looking statements” about our
business, financial performance and prospects. Statements about
our plans, intentions, expectations, beliefs, estimates, predictions
or similar expressions for the future are forward-looking
statements. We cannot assure you that the outcomes of these
forward-looking statements will be realized. Various factors could
cause actual results to differ materially. We discuss these factors,
including risks and uncertainties, from time to time in our SEC
filings. The Company disclaims any duty to update the information
presented here. The material presented is copyrighted by the
Company and cannot be printed, recorded or rebroadcast without
our express written consent. We have attached a reconciliation to
GAAP of any non-GAAP measures appearing in this presentation.
Additional information about Noble Corporation is available on our
website at www.noblecorp.com.
2

3. CHALLENGES to Environmental
Managers NYSE: NE
 Access to remote operations on a routine
basis.
 Time from offshore personnel to dedicate
to environmental reporting.
 Keep the momentum towards continuous
improvement of the Environmental
Management System
Note: See Forward Looking Statement Disclaimer – Page 2 3

4. Greenhouse Gases Emissions
NYSE: NE
Note: See Forward Looking Statement Disclaimer – Page 2 4

5. Greenhouse Gases Emissions
NYSE: NE
Note: See Forward Looking Statement Disclaimer – Page 2 5

6. Refrigerant Gases Emissions
NYSE: NE
Note: See Forward Looking Statement Disclaimer – Page 2 6

7. Refrigerant gases emissions
NYSE: NE
Total gas spilled 2005
NRH
5% NAW
NLB
14% 24%
NPvE
8%
NK
10% NTvL
23%
NJR
4% NBW
5%
NGS
7%
Note: See Forward Looking Statement Disclaimer – Page 2 7

8. Halon Management
NYSE: NE
Note: See Forward Looking Statement Disclaimer – Page 2 8

9. Halon Management
NYSE: NE
Halon Stock 2005
Total stock: 7,760.25 Kg
Total in passive stock,
2227.15, 27%
Total in active stock ,
5,934.10, 73%
Note: See Forward Looking Statement Disclaimer – Page 2 9

10. Deck Drainage Discharges
NYSE: NE
2003 Total volume discharged 2004 Total volume discharged 2005 Total volume discharged
8,000
7,000
6,000
5,000
Liters
4,000
3,000
2,000
1,000
0
NAW NBW NGS NJR NK NPVE NLB NRH
Rigs
Note: See Forward Looking Statement Disclaimer – Page 2 10

11. Deck Drainage Discharges
NYSE: NE
Average ppm discharge per rig
25
20
15 Average ppm per rig
ppm
Average ppm per rig
10 Average ppm per rig
5
0
NAW NBW NGS NJR NK NPVE NLB NRH
Rigs
Note: See Forward Looking Statement Disclaimer – Page 2 11

12. Noble Deck Oil and Water
Separator NYSE: NE
Adequate to offshore use
Adequate to OBM separation
Easy to clean
On line spectrometre
On line flowmeter
Note: See Forward Looking Statement Disclaimer – Page 2 12

13. Bilges Discharges
NYSE: NE
Bilges Discharge - total
5,000
4,500
4,000
3,500
3,000
Liters
2,500
2,000
1,500
1,000
500
0
NAW NTvL NBW NGS NJR NK NPVE NLB NRH
Rigs
2003 Total volume discharged 2004 Total volume discharged 2005 Total volume discharged
Note: See Forward Looking Statement Disclaimer – Page 2 13

14. OSPAR Chemicals Release
NYSE: NE
Note: See Forward Looking Statement Disclaimer – Page 2 14

15. OSPAR Chemicals Release
NYSE: NE
Aprox quantity of dope discharged per 1000 ft drilled (in Kg)
0.0160
0.0140
0.0120
0.0100
0.0080
0.0060
0.0040
0.0020
0.0000
2004 2005 2004 2005 2004 2005 2004 2005 2004 2005 2004 2005 2004 2005 2004 2005 2004 2005
NAW NBW NTVL NJR NGS NPVE NK NLB NRH
Note: See Forward Looking Statement Disclaimer – Page 2 15

16. OSPAR Chemicals Released
NYSE: NE
Quantity of rig wash discharged in litres
35000
30000
25000
20000
15000
10000
5000
0
2004 2005 2004 2005 2004 2005 2004 2005 2004 2005 2004 2005 2004 2005 2004 2005 2004 2005
NAW NBW NTVL NJR NGS NPVE NK NLB NRH
Note: See Forward Looking Statement Disclaimer – Page 2 16

17. Transferred Wastes
NYSE: NE
Note: See Forward Looking Statement Disclaimer – Page 2 17

18. Transferred Wastes
NYSE: NE
NRH Comparizon to Avg
O r no sp cif ie
the n e d
W te Dirty/Co m te (+ 0p m
a r nta ina d 4 p )
Electricre te
la d
C m nt Re
e e turns
H se
o s
Co
o kingG ase
re
H lif ue
e l
Wo
od
Plastica Rub e
nd br
M ta
e l
G ss
la
Pa e a ca b ard
p r nd rd o
O (no e ine inDrum
il n ng ) s
Eng o
ine il Avg
C m l D s/Ca -e pty
he ica rum ns m
Che ica S cksa Bigb g
m l a nd as
NRH
Oil/G a /Do eD s/Ca -e p
re se p rum ns m ty
O Filters
il
O Ra s
ily g
Ba rie
tte s
M d l a sa ry
e ica nd nita
Fluo sce tub s
re nt e
Ae so C ns-use &e p
ro l a d m ty
Pa Chip
int ping / G
s rit
Pa Tins/Ca
int ns/Brushes
Pa a thinne
int nd r
Foo re a / Fo dco m te
d m ins o nta ina d
G ne l
e ra
0
10,000
40,000
70,000
80,000
100,000
20,000
30,000
50,000
60,000
90,000
Kg
Note: See Forward Looking Statement Disclaimer – Page 2 18

19. Transferred Wastes
NYSE: NE
Oily Rags Avg
30,000
25,000
20,000
15,000
10,000
5,000
0
NPvE NTvL NK NBW NAW NLB NJR NRH NGS
Note: See Forward Looking Statement Disclaimer – Page 2 19

20. Transferred Wastes
NYSE: NE
Aerosol Cans - used & empty Avg
500
450
400
350
300
250
200
150
100
50
0
NPvE NTvL NK NBW NAW NLB NJR NRH NGS
Note: See Forward Looking Statement Disclaimer – Page 2 20

21. Transferred Wastes
NYSE: NE
CONSTRAINTS:
 Some operators supply boat and onshore
system of waste management not
adequate to ISO 14001 Certified Drilling
Contractor’s requirements.
 No difference in cost from segregated to
non-segregated waste
Note: See Forward Looking Statement Disclaimer – Page 2 21

22. CONCLUSION
NYSE: NE
 STATISTICAL DATA, IF RELIABLE
AND ACCURATE, CAN BE AN
IMPORTANT TOOL IN THE
CORRECT MANAGEMENT OF THE
IMPROVEMENT OF OFFSHORE
ENVIRONMENTAL MANAGEMENT
SYSTEMS
Note: See Forward Looking Statement Disclaimer – Page 2 22