Subject: Gas Indices

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                                   =                                                                            =                                                                            =                    For Natural Gas Delivered on Friday, December  14, 2001 =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                         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                            =                                    (Trade Date of Thursday, December  13, 2= 001)                                                                       =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                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                            =                                                                            =                                                                            =                           =20 Click here to access index history .
=                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                     =20                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                    * volume represents sell-side only *    =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                           =20  Region     Hub=09High=09Low=09Wtd Avg Index=09Change ($)=09Vol (mmBtu)=09Hu= b Name=09  LOUISIANA =09=09=09=09=09=09=09     ANR SE=09          $2.4500=09          $2.3400=09          $2.3605=09- =    .0729=09         201,300=09American Natural Resources Pipleline Co. - SE=   Transmission Pool=09     Columbia Onshore=09          $2.4300=09          $2.3450=09          $2= .3668=09-    .0544=09         186,600=09Columbia Gulf Transmission Co. - On= shore Pool =09     Henry Hub=09          $2.5000=09          $2.3700=09          $2.4114= =09-    .0849=09         911,000=09Henry Hub - Tailgate, Louisiana =09     NGPL LA=09          $2.4300=09          $2.3300=09          $2.3699=09-=     .0687=09         248,300=09Natural Gas Pipeline Co. of America - Louisi= ana Pool =09     Tenn 500L=09          $2.4000=09          $2.2975=09          $2.3386= =09-    .0627=09         176,600=09Tennessee Gas Pipeline Co. - Zone L, 500=  Leg Pool =09     Tenn 800L=09          $2.4100=09          $2.3000=09          $2.3399= =09-    .0534=09         141,600=09Tennessee Gas Pipeline Co. - Zone L, 800=  Leg Pool =09     TETCO ELA=09          $2.4600=09          $2.3200=09          $2.3653= =09-    .0517=09         180,200=09Texas Eastern - East LA =09     TETCO WLA=09          $2.3800=09          $2.3100=09          $2.3324= =09-    .0708=09          91,200=09Texas Eastern - West LA =09     Transco 65=09          $2.5000=09          $2.3400=09          $2.3841= =09-    .0887=09         136,800=09Transcontinental Gas Pipeline Corp. - St= ation 65 =09     Trunkline ELA=09          $2.3950=09          $2.3100=09          $2.34= 16=09-    .0607=09          98,200=09Trunkline Gas Company - East Louisiana=  Pool =09     TxGas SL=09          $2.4100=09          $2.3000=09          $2.3723=09= -    .1005=09         220,800=09Texas Gas Transmission Corp. - Zone SL FT P= ool =09  MIDCONTINENT =09=09=09=09=09=09=09     MichCon, citygate=09          $2.6000=09          $2.4650=09          $= 2.5004=09-    .0659=09         104,500=09Michigan Consolidated Citygate=09     NGPL Midcont=09          $2.3800=09          $2.3300=09          $2.350= 3=09-    .0518=09         152,700=09Natural Gas Pipeline Co. of America - M= id-Continent Pool =09     NGPL Nicor, citygate=09          $2.5000=09          $2.3500=09        =   $2.4390=09-    .0638=09         805,800=09Natural Gas Pipeline Co. of Ame= rica - Nicor Citygate=09     NGPL NIPSCO, citygate=09          $2.5200=09          $2.4100=09       =    $2.4518=09-    .0535=09         162,700=09Natural Gas Pipeline Co. of Am= erica - Nipsco Citygate=09     NNG Demarcation=09          $2.4500=09          $2.4000=09          $2.= 4172=09-    .0680=09         207,600=09Northern Natural Gas - Demarcation P= ool =09  NORTHEAST =09=09=09=09=09=09=09     Columbia TCO=09          $2.6600=09          $2.5000=09          $2.547= 0=09-    .0660=09         483,500=09Columbia Gas Co. - TCO Pool (Appalachia= )=09     Dominion So.Point=09          $2.5900=09          $2.4600=09          $= 2.5012=09-    .0867=09         243,700=09Dominion - South Point =09     TETCO M3=09          $2.7900=09          $2.6550=09          $2.6817=09= -    .0955=09         158,600=09Texas Eastern - M3 Zone =09     Transco Z-6 (NY)=09          $2.7600=09          $2.6500=09          $2= .6793=09-    .1181=09         147,300=09Transcontinental Gas Pipeline Corp.=  - Zone 6 (NY)=09  WEST =09=09=09=09=09=09=09     El Paso non-Bondad=09          $2.4700=09          $2.3200=09          = $2.4214=09-    .0757=09         205,800=09El Paso - San Juan Basin, Blanco = Pool (non-Bondad)=09     Huntingdon/Sumas=09          $2.6500=09          $2.5800=09          $2= .6124=09+    .0358=09          92,400=09Westcoast Energy & Northwest Pipeli= ne Corp.=09     Opal=09          $2.3500=09          $2.2100=09          $2.3025=09-   =  .0276=09         167,600=09Opal Plant Tailgate=09     PG?Citygate=09          $3.0300=09          $2.9100=09          $2.9785= =09+    .0701=09         173,000=09PG?- Citygate =09     SoCal Border=09          $2.8000=09          $2.6400=09          $2.712= 8=09-    .0007=09         169,500=09Southern California Border Points (Ehre= nberg,Topock,Needles)=09  WEST TEXAS =09=09=09=09=09=09=09     El Paso - Keystone=09          $2.5200=09          $2.3700=09          = $2.4619=09-    .0382=09         386,200=09El Paso - Keystone Pool=09     Waha=09          $2.5100=09          $2.3500=09          $2.4506=09-   =  .0505=09         299,200=09Waha Hub - West Texas =09                                                                              =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                                                            =                                    Includes all firm physical fixed price t= rades done from 7 AM to 11:30 AM Central Prevailing Time on the trade date = specified for natural gas delivered on the specified date(s).
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Active markets in= clude North American power and natural gas, global crude and refined oil pr= oducts, and precious metals.
Traded instruments include forwards, swaps, a= nd options.
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