Top North American Gas Marketers (Bcf/d)

Company

4Q2008

4Q2007

Change

BP plc

32.50

29.9

9%

ConocoPhillips

14.10

13.70

3%

Shell Energy NA

13.80

14.70

-6%

Louis Dreyfus

7.26

8.56

-15%

Chevron

7.04

7.63

-8%

RBS Sempra

6.99

8.10

-14%

Nexen

5.90

6.80

-13%

Tenaska

5.50

5.40

2%

EnCana

3.86

3.72

4%

ONEOK

3.19

3.32

-4%

Sequent

2.70

2.80

-4%

Devon

2.69

2.45

10%

Enserco

2.24

1.64

37%

Anadarko

2.19

2.01

9%

XTO

2.17

1.67

30%

Chesapeake

2.13

2.04

4%

Merrill Lynch

1.90

2.03

-6%

ExxonMobil

1.83

2.12

-14%

CenterPoint Energy

1.48

1.41

5%

Canadian Natural

1.43

1.59

-10%

Atmos

0.93

0.96

-3%

Apache

0.92

1.16

-21%

El Paso

0.87

1.01

-14%

Total*

123.62

124.72

-1%

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 include BP plc, Chevron, ConocoPhillips, Louis Dreyfus Energy Services, Merrill Lynch, RBS Sempra, Shell Energy North America and Tenaska Marketing Ventures.