GULF # 6 FUEL 3.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE                         Code-02165A
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                  (CONTRACTS OF 1,000 BARRELS)                              :
     :          :                                                                            :
All  :     8,304:       290         25         25      7,039      8,154      7,354      8,204:       950        100
Old  :     8,304:       290         25         25      7,039      8,154      7,354      8,204:       950        100
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :      -930:        25          0        -25       -930       -955       -930       -980:         0         50
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.5        0.3        0.3       84.8       98.2       88.6       98.8:      11.4        1.2
Old  :     100.0:       3.5        0.3        0.3       84.8       98.2       88.6       98.8:      11.4        1.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        29:         1          1          1         20         22         21         24:
Old  :        29:         1          1          1         20         22         21         24:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 42.1       48.4       62.0       70.8       26.4       30.5       33.7       42.5
Old  :                 42.1       48.4       62.0       70.8       26.4       30.5       33.7       42.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                   NY RES FUEL 1.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE                          Code-02165B
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                  (CONTRACTS OF 1,000 BARRELS)                              :
     :          :                                                                            :
All  :    11,724:       100      2,251          0     11,504      9,354     11,604     11,605:       120        119
Old  :    11,724:       100      2,251          0     11,504      9,354     11,604     11,605:       120        119
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    -2,298:      -600       -957          0     -1,677     -1,302     -2,277     -2,259:       -21        -39
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.9       19.2        0.0       98.1       79.8       99.0       99.0:       1.0        1.0
Old  :     100.0:       0.9       19.2        0.0       98.1       79.8       99.0       99.0:       1.0        1.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        37:         1          2          0         27         25         28         27:
Old  :        37:         1          2          0         27         25         28         27:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 57.0       52.0       75.1       70.8       52.4       46.2       61.5       59.2
Old  :                 57.0       52.0       75.1       70.8       52.4       46.2       61.5       59.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                    SING FUEL OIL 180 CAL SWAP - NEW YORK MERCANTILE EXCHANGE                           Code-02165G
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                (CONTRACTS OF 1,000 METRIC TONS)                            :
     :          :                                                                            :
All  :     3,324:         0         10         29      2,884      2,743      2,913      2,782:       411        542
Old  :     3,324:         0         10         29      2,884      2,743      2,913      2,782:       411        542
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :      -468:         0        -50         29       -410       -292       -381       -313:       -87       -155
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        0.3        0.9       86.8       82.5       87.6       83.7:      12.4       16.3
Old  :     100.0:       0.0        0.3        0.9       86.8       82.5       87.6       83.7:      12.4       16.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        35:         0          1          1         30         34         31         35:
Old  :        35:         0          1          1         30         34         31         35:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 28.5       25.0       48.0       42.4       21.4       17.7       30.1       26.6
Old  :                 28.5       25.0       48.0       42.4       21.4       17.7       30.1       26.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                  NO. 2 HEATING OIL, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE                         Code-022651
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :               (CONTRACTS OF 42,000 U.S. GALLONS)                           :
     :          :                                                                            :
All  :   231,663:    47,451     15,871     18,485    128,870    173,080    194,806    207,436:    36,857     24,227
Old  :   231,663:    47,451     15,871     18,485    128,870    173,080    194,806    207,436:    36,857     24,227
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     8,599:     6,923      1,326       -555     -1,564      8,312      4,804      9,083:     3,795       -484
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      20.5        6.9        8.0       55.6       74.7       84.1       89.5:      15.9       10.5
Old  :     100.0:      20.5        6.9        8.0       55.6       74.7       84.1       89.5:      15.9       10.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       152:        47         25         38         69         73        135        120:
Old  :       152:        47         25         38         69         73        135        120:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 20.2       23.6       31.9       34.5       16.4       17.8       25.3       26.0
Old  :                 20.2       23.6       31.9       34.5       16.4       17.8       25.3       26.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                           NATURAL GAS - NEW YORK MERCANTILE EXCHANGE                                   Code-023651
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (10,000 MMBTU'S)                                    :
     :          :                                                                            :
All  :   785,276:    90,724    154,018    255,767    372,198    340,852    718,689    750,637:    66,587     34,639
Old  :   785,276:    90,724    154,018    255,767    372,198    340,852    718,689    750,637:    66,587     34,639
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    13,233:     7,128      5,926     -1,246     13,055     10,690     18,937     15,370:    -5,704     -2,137
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.6       19.6       32.6       47.4       43.4       91.5       95.6:       8.5        4.4
Old  :     100.0:      11.6       19.6       32.6       47.4       43.4       91.5       95.6:       8.5        4.4
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       224:        58         73         79         81         68        186        183:
Old  :       224:        58         73         79         81         68        186        183:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 29.5       29.0       41.6       42.8       10.5       13.2       15.6       18.4
Old  :                 29.5       29.0       41.6       42.8       10.5       13.2       15.6       18.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                        MICHCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                               Code-02365A
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    84,675:       445     15,692      2,709     71,457     56,421     74,611     74,822:    10,064      9,853
Old  :    84,675:       445     15,692      2,709     71,457     56,421     74,611     74,822:    10,064      9,853
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     2,812:       124       -150        120      1,077      1,382      1,321      1,352:     1,491      1,460
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.5       18.5        3.2       84.4       66.6       88.1       88.4:      11.9       11.6
Old  :     100.0:       0.5       18.5        3.2       84.4       66.6       88.1       88.4:      11.9       11.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        31:         1          4          2         21         22         23         27:
Old  :        31:         1          4          2         21         22         23         27:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 48.4       42.8       68.0       61.1       47.3       42.3       63.0       58.2
Old  :                 48.4       42.8       68.0       61.1       47.3       42.3       63.0       58.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                        PERMIAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                               Code-02365B
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    66,196:         0     10,024      2,099     58,230     46,265     60,329     58,388:     5,867      7,808
Old  :    66,196:         0     10,024      2,099     58,230     46,265     60,329     58,388:     5,867      7,808
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     1,103:         0      1,813         -5      1,108       -705      1,103      1,103:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0       15.1        3.2       88.0       69.9       91.1       88.2:       8.9       11.8
Old  :     100.0:       0.0       15.1        3.2       88.0       69.9       91.1       88.2:       8.9       11.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        31:         0          2          2         28         22         30         24:
Old  :        31:         0          2          2         28         22         30         24:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 43.3       36.9       64.8       57.9       41.7       30.3       60.4       49.6
Old  :                 43.3       36.9       64.8       57.9       41.7       30.3       60.4       49.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                          M-3 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                 Code-02365C
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :   139,953:    28,081      1,450      3,298    100,656    131,691    132,035    136,439:     7,918      3,514
Old  :   139,953:    28,081      1,450      3,298    100,656    131,691    132,035    136,439:     7,918      3,514
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     5,632:       649          0        240      5,111      6,064      6,000      6,304:      -368       -672
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      20.1        1.0        2.4       71.9       94.1       94.3       97.5:       5.7        2.5
Old  :     100.0:      20.1        1.0        2.4       71.9       94.1       94.3       97.5:       5.7        2.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        48:         5          2          5         34         33         41         38:
Old  :        48:         5          2          5         34         33         41         38:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 46.3       47.0       59.6       64.5       43.5       46.4       53.7       58.1
Old  :                 46.3       47.0       59.6       64.5       43.5       46.4       53.7       58.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                          TCO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                 Code-02365D
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :   108,121:    13,676     15,458      3,625     82,490     80,947     99,791    100,030:     8,330      8,091
Old  :   108,121:    13,676     15,458      3,625     82,490     80,947     99,791    100,030:     8,330      8,091
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    -5,004:       754        715     -2,149     -1,862     -4,103     -3,257     -5,537:    -1,747        533
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      12.6       14.3        3.4       76.3       74.9       92.3       92.5:       7.7        7.5
Old  :     100.0:      12.6       14.3        3.4       76.3       74.9       92.3       92.5:       7.7        7.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        36:         3          2          3         25         25         30         28:
Old  :        36:         3          2          3         25         25         30         28:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 36.9       57.7       60.3       73.9       35.5       54.7       54.4       66.9
Old  :                 36.9       57.7       60.3       73.9       35.5       54.7       54.4       66.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                         MALIN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                Code-02365E
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    57,422:    11,402        863      3,900     37,809     47,124     53,111     51,887:     4,311      5,535
Old  :    57,422:    11,402        863      3,900     37,809     47,124     53,111     51,887:     4,311      5,535
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    -1,755:      -424     -1,148       -361       -351       -579     -1,136     -2,088:      -619        333
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      19.9        1.5        6.8       65.8       82.1       92.5       90.4:       7.5        9.6
Old  :     100.0:      19.9        1.5        6.8       65.8       82.1       92.5       90.4:       7.5        9.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        27:         3          2          5         14         18         19         23:
Old  :        27:         3          2          5         14         18         19         23:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 61.7       56.9       80.6       68.5       58.1       48.7       66.5       58.5
Old  :                 61.7       56.9       80.6       68.5       58.1       48.7       66.5       58.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                     PG&E CITYGATE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                            Code-02365F
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    58,054:     6,238        341      3,211     42,565     44,280     52,014     47,832:     6,040     10,222
Old  :    58,054:     6,238        341      3,211     42,565     44,280     52,014     47,832:     6,040     10,222
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     1,143:       804       -744       -386       -565      2,025       -147        895:     1,290        248
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.7        0.6        5.5       73.3       76.3       89.6       82.4:      10.4       17.6
Old  :     100.0:      10.7        0.6        5.5       73.3       76.3       89.6       82.4:      10.4       17.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        27:         2          1          3         19         21         22         24:
Old  :        27:         2          1          3         19         21         22         24:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 55.5       33.6       79.4       54.1       46.6       31.1       61.6       45.0
Old  :                 55.5       33.6       79.4       54.1       46.6       31.1       61.6       45.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                      NGPL TEXOK BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                              Code-02365G
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    90,127:     5,858      4,106      3,172     71,536     72,509     80,566     79,787:     9,561     10,340
Old  :    90,127:     5,858      4,106      3,172     71,536     72,509     80,566     79,787:     9,561     10,340
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    -5,695:       -88         92       -629     -3,343     -3,417     -4,060     -3,954:    -1,635     -1,741
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.5        4.6        3.5       79.4       80.5       89.4       88.5:      10.6       11.5
Old  :     100.0:       6.5        4.6        3.5       79.4       80.5       89.4       88.5:      10.6       11.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        42:         2          3          4         25         28         30         32:
Old  :        42:         2          3          4         25         28         30         32:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 45.5       28.2       65.3       45.7       36.5       24.7       51.7       39.8
Old  :                 45.5       28.2       65.3       45.7       36.5       24.7       51.7       39.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                     NGPL MID-CON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                             Code-02365K
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    97,849:     3,587      4,764      4,083     74,474     78,678     82,144     87,525:    15,705     10,324
Old  :    97,849:     3,587      4,764      4,083     74,474     78,678     82,144     87,525:    15,705     10,324
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    -7,081:    -1,471        160        271     -5,748     -6,836     -6,948     -6,405:      -133       -676
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.7        4.9        4.2       76.1       80.4       83.9       89.4:      16.1       10.6
Old  :     100.0:       3.7        4.9        4.2       76.1       80.4       83.9       89.4:      16.1       10.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        36:         1          3          3         24         22         27         26:
Old  :        36:         1          3          3         24         22         27         26:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 40.2       42.9       63.6       60.5       37.8       40.1       56.5       56.1
Old  :                 40.2       42.9       63.6       60.5       37.8       40.1       56.5       56.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                        DEMARC BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                Code-02365L
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    45,486:     9,519          0      4,912     28,013     33,559     42,444     38,471:     3,042      7,015
Old  :    45,486:     9,519          0      4,912     28,013     33,559     42,444     38,471:     3,042      7,015
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     3,966:     2,789     -1,880      1,452        611      4,164      4,852      3,736:      -886        230
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      20.9        0.0       10.8       61.6       73.8       93.3       84.6:       6.7       15.4
Old  :     100.0:      20.9        0.0       10.8       61.6       73.8       93.3       84.6:       6.7       15.4
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        25:         4          0          3         17         12         21         15:
Old  :        25:         4          0          3         17         12         21         15:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 36.4       42.4       60.6       68.9       29.7       36.2       48.4       56.0
Old  :                 36.4       42.4       60.6       68.9       29.7       36.2       48.4       56.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                        VENTURA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                               Code-02365M
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    63,644:     5,268      2,007      5,927     46,604     43,642     57,799     51,576:     5,845     12,068
Old  :    63,644:     5,268      2,007      5,927     46,604     43,642     57,799     51,576:     5,845     12,068
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     2,704:     1,009        873       -783      2,906        110      3,132        200:      -428      2,504
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.3        3.2        9.3       73.2       68.6       90.8       81.0:       9.2       19.0
Old  :     100.0:       8.3        3.2        9.3       73.2       68.6       90.8       81.0:       9.2       19.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        21:         3          1          4         14         16         18         20:
Old  :        21:         3          1          4         14         16         18         20:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 56.6       36.9       75.9       59.9       53.2       34.4       65.2       49.0
Old  :                 56.6       36.9       75.9       59.9       53.2       34.4       65.2       49.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                       DOMINION BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                               Code-02365N
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    88,462:    19,415      1,144      3,879     59,170     80,017     82,464     85,040:     5,998      3,422
Old  :    88,462:    19,415      1,144      3,879     59,170     80,017     82,464     85,040:     5,998      3,422
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     1,790:       630          0         88      2,624      2,039      3,342      2,127:    -1,552       -337
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      21.9        1.3        4.4       66.9       90.5       93.2       96.1:       6.8        3.9
Old  :     100.0:      21.9        1.3        4.4       66.9       90.5       93.2       96.1:       6.8        3.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        35:         2          1          2         28         28         31         30:
Old  :        35:         2          1          2         28         28         31         30:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 48.3       38.6       65.3       58.0       38.2       29.0       49.9       45.1
Old  :                 48.3       38.6       65.3       58.0       38.2       29.0       49.9       45.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                         WAHA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                 Code-02365O
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :   110,189:     7,864      6,604      5,374     85,904     84,024     99,142     96,002:    11,047     14,187
Old  :   110,189:     7,864      6,604      5,374     85,904     84,024     99,142     96,002:    11,047     14,187
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    -4,496:    -2,497     -1,357        785     -2,594     -3,820     -4,306     -4,392:      -190       -104
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.1        6.0        4.9       78.0       76.3       90.0       87.1:      10.0       12.9
Old  :     100.0:       7.1        6.0        4.9       78.0       76.3       90.0       87.1:      10.0       12.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        39:         2          3          3         25         27         29         31:
Old  :        39:         2          3          3         25         27         29         31:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 43.3       28.9       63.4       49.0       34.0       28.5       53.9       46.7
Old  :                 43.3       28.9       63.4       49.0       34.0       28.5       53.9       46.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                          CIG BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                 Code-02365P
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    52,799:         0      3,445      1,665     42,362     38,573     44,027     43,683:     8,772      9,116
Old  :    52,799:         0      3,445      1,665     42,362     38,573     44,027     43,683:     8,772      9,116
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    -4,010:         0       -947        433     -3,977     -2,832     -3,544     -3,346:      -466       -664
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        6.5        3.2       80.2       73.1       83.4       82.7:      16.6       17.3
Old  :     100.0:       0.0        6.5        3.2       80.2       73.1       83.4       82.7:      16.6       17.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        28:         0          2          1         19         18         20         20:
Old  :        28:         0          2          1         19         18         20         20:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 47.1       39.1       66.2       65.2       46.3       37.2       64.3       60.5
Old  :                 47.1       39.1       66.2       65.2       46.3       37.2       64.3       60.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                        ALBERTA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                               Code-035650
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :   135,517:       657     20,717     13,986    109,591     95,019    124,234    129,722:    11,283      5,795
Old  :   135,517:       657     20,717     13,986    109,591     95,019    124,234    129,722:    11,283      5,795
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :       990:         0         50       -732      1,062      1,576        330        894:       660         96
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.5       15.3       10.3       80.9       70.1       91.7       95.7:       8.3        4.3
Old  :     100.0:       0.5       15.3       10.3       80.9       70.1       91.7       95.7:       8.3        4.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        46:         1          7          6         36         31         42         39:
Old  :        46:         1          7          6         36         31         42         39:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 28.5       35.0       45.9       57.6       25.5       29.6       36.8       41.6
Old  :                 28.5       35.0       45.9       57.6       25.5       29.6       36.8       41.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                        CHICAGO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                               Code-035651
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    86,675:       567      4,332      4,047     76,122     65,894     80,736     74,273:     5,939     12,402
Old  :    86,675:       567      4,332      4,047     76,122     65,894     80,736     74,273:     5,939     12,402
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     2,194:    -1,189        669        767      2,369       -340      1,947      1,096:       247      1,098
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.7        5.0        4.7       87.8       76.0       93.1       85.7:       6.9       14.3
Old  :     100.0:       0.7        5.0        4.7       87.8       76.0       93.1       85.7:       6.9       14.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        33:         2          2          3         20         23         23         27:
Old  :        33:         2          2          3         20         23         23         27:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 61.8       33.2       76.4       55.3       55.5       32.5       64.9       49.9
Old  :                 61.8       33.2       76.4       55.3       55.5       32.5       64.9       49.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                       HENRY HUB BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                              Code-035652
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    52,086:     8,493      2,108          0     42,524     46,478     51,017     48,586:     1,069      3,500
Old  :    52,086:     8,493      2,108          0     42,524     46,478     51,017     48,586:     1,069      3,500
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :       361:         0          0          0        300        331        300        331:        61         30
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      16.3        4.0        0.0       81.6       89.2       97.9       93.3:       2.1        6.7
Old  :     100.0:      16.3        4.0        0.0       81.6       89.2       97.9       93.3:       2.1        6.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        24:         2          1          0         15         16         17         17:
Old  :        24:         2          1          0         15         16         17         17:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 63.0       53.6       86.4       80.7       49.2       47.5       66.1       61.2
Old  :                 63.0       53.6       86.4       80.7       49.2       47.5       66.1       61.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                    HOUSTON SHIP CH BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                           Code-035653
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :   257,600:    17,524      1,386      5,685    224,483    240,735    247,692    247,806:     9,908      9,794
Old  :   257,600:    17,524      1,386      5,685    224,483    240,735    247,692    247,806:     9,908      9,794
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     4,960:     1,342          0        196      1,718      4,702      3,256      4,898:     1,704         62
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.8        0.5        2.2       87.1       93.5       96.2       96.2:       3.8        3.8
Old  :     100.0:       6.8        0.5        2.2       87.1       93.5       96.2       96.2:       3.8        3.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        62:         4          2          6         48         48         54         54:
Old  :        62:         4          2          6         48         48         54         54:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 35.9       54.7       55.4       66.8       30.3       51.8       46.5       58.9
Old  :                 35.9       54.7       55.4       66.8       30.3       51.8       46.5       58.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                    NW PIPE ROCKIES BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                           Code-035654
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :   192,699:     7,716      1,601     11,587    160,559    175,031    179,862    188,219:    12,837      4,480
Old  :   192,699:     7,716      1,601     11,587    160,559    175,031    179,862    188,219:    12,837      4,480
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     7,000:    -1,298          0        611      7,539      6,194      6,852      6,805:       148        195
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.0        0.8        6.0       83.3       90.8       93.3       97.7:       6.7        2.3
Old  :     100.0:       4.0        0.8        6.0       83.3       90.8       93.3       97.7:       6.7        2.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        47:         4          2          4         40         35         45         40:
Old  :        47:         4          2          4         40         35         45         40:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 30.0       38.8       49.2       57.7       23.5       36.0       36.2       49.8
Old  :                 30.0       38.8       49.2       57.7       23.5       36.0       36.2       49.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                       PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                              Code-035655
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :   188,875:     5,927     14,415      8,904    158,013    155,954    172,844    179,273:    16,031      9,602
Old  :   188,875:     5,927     14,415      8,904    158,013    155,954    172,844    179,273:    16,031      9,602
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    11,879:     1,126     -1,321        973     12,725     13,599     14,824     13,251:    -2,945     -1,372
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.1        7.6        4.7       83.7       82.6       91.5       94.9:       8.5        5.1
Old  :     100.0:       3.1        7.6        4.7       83.7       82.6       91.5       94.9:       8.5        5.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        54:         2          5          6         44         39         50         46:
Old  :        54:         2          5          6         44         39         50         46:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 30.0       33.0       47.3       55.8       27.5       27.6       40.9       42.9
Old  :                 30.0       33.0       47.3       55.8       27.5       27.6       40.9       42.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                       SAN JUAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                               Code-035656
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    53,919:         0      3,263      1,304     42,817     39,763     44,121     44,330:     9,798      9,589
Old  :    53,919:         0      3,263      1,304     42,817     39,763     44,121     44,330:     9,798      9,589
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :      -362:         0        372         60       -360       -182       -300        250:       -62       -612
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        6.1        2.4       79.4       73.7       81.8       82.2:      18.2       17.8
Old  :     100.0:       0.0        6.1        2.4       79.4       73.7       81.8       82.2:      18.2       17.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        28:         0          2          1         21         21         22         23:
Old  :        28:         0          2          1         21         21         22         23:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 34.6       34.7       53.8       57.9       30.4       28.9       46.0       43.8
Old  :                 34.6       34.7       53.8       57.9       30.4       28.9       46.0       43.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                         SOCAL BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                Code-035657
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :   219,958:    28,176      8,176     14,201    161,188    175,285    203,565    197,662:    16,393     22,296
Old  :   219,958:    28,176      8,176     14,201    161,188    175,285    203,565    197,662:    16,393     22,296
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     6,194:        87      2,290        451      5,189      2,769      5,727      5,510:       467        684
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      12.8        3.7        6.5       73.3       79.7       92.5       89.9:       7.5       10.1
Old  :     100.0:      12.8        3.7        6.5       73.3       79.7       92.5       89.9:       7.5       10.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        45:         4          3          6         36         36         42         43:
Old  :        45:         4          3          6         36         36         42         43:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 31.2       31.6       46.2       48.3       23.3       25.7       33.8       35.8
Old  :                 31.2       31.6       46.2       48.3       23.3       25.7       33.8       35.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                    TRANSCO ZONE 6 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                            Code-035658
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    74,146:     4,214     10,252      4,089     59,068     49,224     67,371     63,565:     6,775     10,581
Old  :    74,146:     4,214     10,252      4,089     59,068     49,224     67,371     63,565:     6,775     10,581
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :     5,485:         0       -708      1,190      3,747      4,914      4,937      5,396:       548         89
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.7       13.8        5.5       79.7       66.4       90.9       85.7:       9.1       14.3
Old  :     100.0:       5.7       13.8        5.5       79.7       66.4       90.9       85.7:       9.1       14.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        36:         2          4          4         25         26         29         32:
Old  :        36:         2          4          4         25         26         29         32:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 32.7       33.5       53.8       51.4       28.4       25.7       43.2       38.3
Old  :                 32.7       33.5       53.8       51.4       28.4       25.7       43.2       38.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                        HENRY HUB GAS SWAP - NEW YORK MERCANTILE EXCHANGE                               Code-03565B
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  : 2,757,764:   388,344    176,398    864,455  1,478,011  1,701,980  2,730,810  2,742,833:    26,954     14,931
Old  : 2,757,764:   388,344    176,398    864,455  1,478,011  1,701,980  2,730,810  2,742,833:    26,954     14,931
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    19,645:     9,554     22,360    -14,696     25,960     14,155     20,818     21,819:    -1,173     -2,174
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      14.1        6.4       31.3       53.6       61.7       99.0       99.5:       1.0        0.5
Old  :     100.0:      14.1        6.4       31.3       53.6       61.7       99.0       99.5:       1.0        0.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       152:        26         20         40        103         93        147        135:
Old  :       152:        26         20         40        103         93        147        135:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 31.0       40.3       46.3       53.7       13.2       22.8       18.7       26.5
Old  :                 31.0       40.3       46.3       53.7       13.2       22.8       18.7       26.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                  HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE                         Code-03565C
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  : 1,014,184:   108,178    221,914    246,183    657,725    544,541  1,012,086  1,012,638:     2,098      1,546
Old  : 1,014,184:   108,178    221,914    246,183    657,725    544,541  1,012,086  1,012,638:     2,098      1,546
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    23,994:    27,866    -14,023     17,032    -17,618     20,901     27,280     23,910:    -3,286         84
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.7       21.9       24.3       64.9       53.7       99.8       99.8:       0.2        0.2
Old  :     100.0:      10.7       21.9       24.3       64.9       53.7       99.8       99.8:       0.2        0.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        86:        22         21         36         42         41         80         82:
Old  :        86:        22         21         36         42         41         80         82:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 45.1       33.0       62.1       51.3       30.9       27.1       38.2       37.2
Old  :                 45.1       33.0       62.1       51.3       30.9       27.1       38.2       37.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                     PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE                             Code-064657
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                (40 MEGAWATT HOURS PER PEAK DAY)                            :
     :          :                                                                            :
All  :    38,067:     2,325        540        390     34,535     36,338     37,250     37,268:       817        799
Old  :    38,067:     2,325        540        390     34,535     36,338     37,250     37,268:       817        799
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :       202:        -3        -20          0        204        181        201        161:         1         41
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.1        1.4        1.0       90.7       95.5       97.9       97.9:       2.1        2.1
Old  :     100.0:       6.1        1.4        1.0       90.7       95.5       97.9       97.9:       2.1        2.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        43:         7          2          4         28         28         36         33:
Old  :        43:         7          2          4         28         28         36         33:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 48.5       45.8       70.3       65.7       42.7       42.6       55.1       53.9
Old  :                 48.5       45.8       70.3       65.7       42.7       42.6       55.1       53.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                      NYISO ZONE A LBMP SWAP - NEW YORK MERCANTILE EXCHANGE                             Code-06465A
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :               (CONTRACTS 0F 400 MEGAWATT HOURS)                            :
     :          :                                                                            :
All  :    16,338:     1,484          0        351     14,420     15,904     16,255     16,255:        83         83
Old  :    16,338:     1,484          0        351     14,420     15,904     16,255     16,255:        83         83
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :    -1,449:        46        -46       -138     -1,334     -1,242     -1,426     -1,426:       -23        -23
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.1        0.0        2.1       88.3       97.3       99.5       99.5:       0.5        0.5
Old  :     100.0:       9.1        0.0        2.1       88.3       97.3       99.5       99.5:       0.5        0.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        26:         2          0          2         13         20         15         22:
Old  :        26:         2          0          2         13         20         15         22:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 69.4       79.0       90.4       90.8       50.9       63.2       65.5       67.7
Old  :                 69.4       79.0       90.4       90.8       50.9       63.2       65.5       67.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                     ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE                            Code-06465H
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                (40 MEGAWATT HOURS PER PEAK DAY)                            :
     :          :                                                                            :
All  :    18,779:     5,624        160        254     12,337     18,037     18,215     18,451:       564        328
Old  :    18,779:     5,624        160        254     12,337     18,037     18,215     18,451:       564        328
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :        30:         0          0          0         30         30         30         30:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      29.9        0.9        1.4       65.7       96.0       97.0       98.3:       3.0        1.7
Old  :     100.0:      29.9        0.9        1.4       65.7       96.0       97.0       98.3:       3.0        1.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        26:         2          1          2         18         18         20         21:
Old  :        26:         2          1          2         18         18         20         21:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 64.1       65.4       84.6       83.0       55.1       54.1       68.0       65.4
Old  :                 64.1       65.4       84.6       83.0       55.1       54.1       68.0       65.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                   NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                          Code-06465I
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                (40 MEGAWATT HOURS PER PEAK DAY)                            :
     :          :                                                                            :
All  :    11,531:       422        368         36      9,455     10,843      9,913     11,247:     1,618        284
Old  :    11,531:       422        368         36      9,455     10,843      9,913     11,247:     1,618        284
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :        64:         0          0          0       -764         46       -764         46:       828         18
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.7        3.2        0.3       82.0       94.0       86.0       97.5:      14.0        2.5
Old  :     100.0:       3.7        3.2        0.3       82.0       94.0       86.0       97.5:      14.0        2.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        22:         1          2          2         15         12         18         14:
Old  :        22:         1          2          2         15         12         18         14:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 46.9       71.2       66.4       88.3       40.6       60.6       56.0       73.2
Old  :                 46.9       71.2       66.4       88.3       40.6       60.6       56.0       73.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                  PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                          Code-06465M
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                (2.5 MEGAWATTS PER OFF PEAK HRS)                            :
     :          :                                                                            :
All  :    27,567:       955        794        217     24,507     25,664     25,679     26,675:     1,888        892
Old  :    27,567:       955        794        217     24,507     25,664     25,679     26,675:     1,888        892
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :      -108:         0        240          0       -348       -348       -348       -108:       240          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.5        2.9        0.8       88.9       93.1       93.2       96.8:       6.8        3.2
Old  :     100.0:       3.5        2.9        0.8       88.9       93.1       93.2       96.8:       6.8        3.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        29:         1          1          2         22         21         24         23:
Old  :        29:         1          1          2         22         21         24         23:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 46.7       52.8       64.8       77.0       31.5       43.5       45.0       53.2
Old  :                 46.7       52.8       64.8       77.0       31.5       43.5       45.0       53.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                    NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                            Code-06465N
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                (2.5 MEGAWATTS PER OFF PEAK HRS)                            :
     :          :                                                                            :
All  :    24,576:       912        444        420     22,120     22,904     23,452     23,768:     1,124        808
Old  :    24,576:       912        444        420     22,120     22,904     23,452     23,768:     1,124        808
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :       110:       140          0        -40         10        150        110        110:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.7        1.8        1.7       90.0       93.2       95.4       96.7:       4.6        3.3
Old  :     100.0:       3.7        1.8        1.7       90.0       93.2       95.4       96.7:       4.6        3.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        23:         2          1          2         19         16         21         19:
Old  :        23:         2          1          2         19         16         21         19:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 53.9       67.8       72.1       85.8       37.0       45.1       46.2       53.4
Old  :                 53.9       67.8       72.1       85.8       37.0       45.1       46.2       53.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                   ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                           Code-06465S
Commitments of Traders - Futures Only, September 11, 2007              
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                (2.5 MEGAWATTS PER OFF PEAK HRS)                            :
     :          :                                                                            :
All  :     9,690:     1,080        400        480      7,618      8,298      9,178      9,178:       512        512
Old  :     9,690:     1,080        400        480      7,618      8,298      9,178      9,178:       512        512
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 4, 2007                    :
     :      -228:      -240          0          0         12       -228       -228       -228: