NGI's Daily Gas Price Index
published : December 20, 2002

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

                                        
Rank  Company             3Q02   3Q01  %Chng    2Q02  %Chng
1     Mirant (1)         22.12  13.10    41%   22.30    -1%
2     AEP (3)            18.10  14.50    20%   15.35    15%
3     Duke (4)           17.90  14.00    22%   15.30    15%
4     BP (5)             15.30  12.30    20%   13.80    10%
5     El Paso (6)        12.43   7.32    41%   13.60    -9%
6     Aquila (2)         11.90  12.30    -3%   16.20   -36%
7     Reliant (7)         9.75   9.57     2%   11.80   -21%
8     Coral (9)           8.80   9.10    -3%    7.56    14%
9     Dynegy (8)          8.10  11.00   -36%   11.20   -38%
10    Sempra (11)         7.70   8.54   -11%    6.34    18%
11    PG&E NEG (13)       6.60   5.10    23%    5.00    24%
12    ConocoPhillips (10) 5.70   4.00    30%    7.24   -27%
13    Cinergy (16)        3.80   3.00    21%    3.31    13%
14    Williams (17)       3.80   3.70     3%    3.60     5%
15    ExxonMobil (15)     3.40   3.50    -3%    3.40     0%
16    Anadarko (18)       3.10   3.50   -13%    3.10     0%
17    Nexen (NA)          3.02   3.01     0%    3.01     0%
18    Tenaska (19)        2.80   2.80     0%    2.60     7%
19    Oneok (21)          2.70   2.60     4%    2.40    11%
20    EnCana (20)         2.69   2.30    14%    2.58     4%
      Total             169.7  145.2     14%  159.1      6%

*Volumes represent North American physical natural gas sales and exclude financial transactions. Sales volumes were provided by company officials or obtained from quarterly filings with the Securities and Exchange Commission (SEC). Numbers in ( ) indicate second quarter 2002 ranking. Dominion, Occidental Petroleum, TXU, Cook Inlet, Sequent, ePrime and CMS all declined to participate in this survey and did not file volume information with the SEC. Some or all of those companies may have made the top-20 ranking.

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