Top North American Gas Marketers (Bcf/d)

Company

4Q2005

4Q2004

Change

BP

26.30

24.50

7%

Sempra

12.10

11.90

2%

ConocoPhillips

11.80

10.80

9%

Coral

11.00

9.61

14%

Chevron*

6.20

4.70

32%

Constellation

5.59

NA

NA

Louis Dreyfus

4.37

3.50

25%

Cinergy

4.24

4.61

-8%

Tenaska

4.10

3.70

11%

UBS

3.59

3.14

14%

EnCana

3.33

3.09

8%

Oneok

2.84

3.38

-16%

ExxonMobil

2.53

2.76

-8%

Merrill Lynch

2.23

2.20

1%

Devon

2.12

2.39

-11%

Williams

2.10

2.20

-5%

Nexen

2.00

2.94

-32%

Sequent

1.90

2.20

-14%

Calpine

1.90

2.30

-17%

Hess

1.80

1.80

0%

Total*

106.45

101.72

5%

Source: Quarterly financial reports with the Securities and Exchange Commission, or if necessary, statements signed by company officials and provided to NGI.

Companies providing data directly to NGI included BP, ConocoPhillips, Coral, Cinergy, Tenaska, Louis Dreyfus, UBS, Merrill Lynch and Constellation. *The total excludes Constellation data because its volumes for 4Q2004 were not provided.