NGI's Daily Gas Price Index
published : September 6, 2002

Top 20 North American Gas Marketers
Ranking by Second Quarter 2002 Sales Volume*
(Bcf/d)

Rank  Company        2Q02     2Q01     Change   1Q02     Change
1     Mirant (1)     22.30    11.80    10.50    21.40    0.90
2     Aquila (3)     16.20    11.30     4.90    16.20    0.00
3     AEP (2)        15.35     8.50     6.85    16.40   -1.05
4     Duke (5)       15.30    11.20     4.10    13.80    1.50
5     BP (4)         13.80    12.30     1.50    14.90   -1.10
6     El Paso (7)    13.60     9.20     4.40    13.20    0.40
7     Reliant (6)    11.80     7.90     3.90    13.40   -1.60
8     Dynegy (8)     11.20    10.90     0.30    13.00   -1.80
9     Coral (10)      7.56     8.30    -0.74     9.20   -1.64
10    Conoco (9)      7.24     7.00     0.24    11.10   -3.86
11    Sempra (11)     6.34     9.25    -2.91     7.37   -1.03
12    Dominion (12)   6.20     2.80     3.40     6.10    0.10
13    PG&E**          5.00     6.15    -1.15     3.20    1.80
14    TXU (21)        3.60     2.21     1.39     3.02    0.58
15    ExxonMobil**    3.40     3.60    -0.20     3.60   -0.20
16    Cinergy**       3.31     2.82     0.49     3.00    0.31
17    Williams (13)   3.30     2.60     0.70     5.40   -2.10
18    Anadarko (20)   3.10     3.40    -0.30     3.50   -0.40
19    Tenaska (23)    2.60     2.40     0.20     2.70   -0.10
20    EnCana (18)     2.58     2.30     0.28     4.00   -1.42
     Total         173.8    135.9     37.85   184.5   -10.7

*Volumes represent North American physical natural gas sales and exclude financial transactions. **1Q2002 numbers are estimates. Cook Inlet, which was 16th in the first quarter ranking with 4.6 Bcf/d, asked to be excluded from this quarter's ranking. Sales volumes were provided by company officials. Numbers in ( ) indicates first quarter 2002 ranking.