GULF # 6 FUEL 3.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE                         Code-02165A
Commitments of Traders - Futures Only, July 31, 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  :     9,463:     1,775          0         75      6,713      9,238      8,563      9,313:       900        150
Old  :     9,463:     1,775          0         75      6,713      9,238      8,563      9,313:       900        150
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       600:         0          0          0        600        600        600        600:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      18.8        0.0        0.8       70.9       97.6       90.5       98.4:       9.5        1.6
Old  :     100.0:      18.8        0.0        0.8       70.9       97.6       90.5       98.4:       9.5        1.6
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          0          1         18         20         20         21:
Old  :        27:         2          0          1         18         20         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  :                 61.7       60.0       75.7       77.4       45.5       48.6       52.6       57.9
Old  :                 61.7       60.0       75.7       77.4       45.5       48.6       52.6       57.9
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, July 31, 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  :    14,587:       600      4,191          0     13,312      8,833     13,912     13,024:       675      1,563
Old  :    14,587:       600      4,191          0     13,312      8,833     13,912     13,024:       675      1,563
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       -90:       600       -380       -300       -390        540        -90       -140:         0         50
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.1       28.7        0.0       91.3       60.6       95.4       89.3:       4.6       10.7
Old  :     100.0:       4.1       28.7        0.0       91.3       60.6       95.4       89.3:       4.6       10.7
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  :        36:         1          3          0         24         27         25         30:
Old  :        36:         1          3          0         24         27         25         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  :                 57.3       49.7       73.9       63.6       54.1       40.0       63.6       51.0
Old  :                 57.3       49.7       73.9       63.6       54.1       40.0       63.6       51.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                  EUR 3.5% FUEL OIL RTD CAL SWAP - NEW YORK MERCANTILE EXCHANGE                         Code-02165E
Commitments of Traders - Futures Only, July 31, 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  :     2,381:        15          0         30      1,582      1,710      1,627      1,740:       754        641
Old  :     2,381:        15          0         30      1,582      1,710      1,627      1,740:       754        641
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :         6:       -30          0         15         80         70         65         85:       -59        -79
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.6        0.0        1.3       66.4       71.8       68.3       73.1:      31.7       26.9
Old  :     100.0:       0.6        0.0        1.3       66.4       71.8       68.3       73.1:      31.7       26.9
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  :        26:         1          0          1         19         24         20         25:
Old  :        26:         1          0          1         19         24         20         25:
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  :                 37.9       29.4       51.2       43.6       28.3       22.3       34.0       31.3
Old  :                 37.9       29.4       51.2       43.6       28.3       22.3       34.0       31.3
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, July 31, 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  :     4,116:         0         35         40      3,737      3,627      3,777      3,702:       339        414
Old  :     4,116:         0         35         40      3,737      3,627      3,777      3,702:       339        414
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       194:         0        -10          0        204        264        204        254:       -10        -60
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        0.9        1.0       90.8       88.1       91.8       89.9:       8.2       10.1
Old  :     100.0:       0.0        0.9        1.0       90.8       88.1       91.8       89.9:       8.2       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  :        37:         0          1          1         30         35         31         36:
Old  :        37:         0          1          1         30         35         31         36:
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  :                 30.6       29.3       50.7       47.4       24.9       25.1       36.7       36.7
Old  :                 30.6       29.3       50.7       47.4       24.9       25.1       36.7       36.7
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, July 31, 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  :   233,209:    41,539     21,813     27,199    131,560    162,337    200,298    211,349:    32,911     21,860
Old  :   233,209:    41,539     21,813     27,199    131,560    162,337    200,298    211,349:    32,911     21,860
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :    -5,853:     3,726     -1,121     -2,278     -2,661        261     -1,213     -3,138:    -4,640     -2,715
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      17.8        9.4       11.7       56.4       69.6       85.9       90.6:      14.1        9.4
Old  :     100.0:      17.8        9.4       11.7       56.4       69.6       85.9       90.6:      14.1        9.4
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  :       156:        44         23         30         67         80        129        119:
Old  :       156:        44         23         30         67         80        129        119:
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  :                 21.0       18.6       33.3       31.5       14.8       12.5       23.5       21.1
Old  :                 21.0       18.6       33.3       31.5       14.8       12.5       23.5       21.1
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, July 31, 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  :   809,913:    84,841    157,122    278,606    377,808    339,192    741,255    774,920:    68,658     34,993
Old  :   809,913:    84,841    157,122    278,606    377,808    339,192    741,255    774,920:    68,658     34,993
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :   -26,914:    -5,788     -6,650     -8,526    -11,422    -11,290    -25,736    -26,466:    -1,178       -448
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.5       19.4       34.4       46.6       41.9       91.5       95.7:       8.5        4.3
Old  :     100.0:      10.5       19.4       34.4       46.6       41.9       91.5       95.7:       8.5        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  :       230:        61         75         73         84         71        193        178:
Old  :       230:        61         75         73         84         71        193        178:
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  :                 28.7       28.6       41.7       43.3       10.2       13.6       16.1       19.2
Old  :                 28.7       28.6       41.7       43.3       10.2       13.6       16.1       19.2
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, July 31, 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  :    85,356:     1,484     15,657      2,247     74,782     60,902     78,513     78,806:     6,843      6,550
Old  :    85,356:     1,484     15,657      2,247     74,782     60,902     78,513     78,806:     6,843      6,550
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       942:       360        218       -529        956      1,539        787      1,228:       155       -286
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.7       18.3        2.6       87.6       71.4       92.0       92.3:       8.0        7.7
Old  :     100.0:       1.7       18.3        2.6       87.6       71.4       92.0       92.3:       8.0        7.7
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  :        34:         1          4          2         25         24         27         29:
Old  :        34:         1          4          2         25         24         27         29:
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       39.8       68.6       58.5       44.1       38.8       56.4       54.9
Old  :                 48.5       39.8       68.6       58.5       44.1       38.8       56.4       54.9
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, July 31, 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  :    77,070:         0      7,565      2,344     67,114     57,753     69,458     67,662:     7,612      9,408
Old  :    77,070:         0      7,565      2,344     67,114     57,753     69,458     67,662:     7,612      9,408
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     1,117:         0        464       -235        861        662        626        891:       491        226
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        9.8        3.0       87.1       74.9       90.1       87.8:       9.9       12.2
Old  :     100.0:       0.0        9.8        3.0       87.1       74.9       90.1       87.8:       9.9       12.2
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  :        35:         0          2          2         29         21         31         23:
Old  :        35:         0          2          2         29         21         31         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  :                 41.4       43.7       60.8       62.8       41.4       38.9       60.3       56.5
Old  :                 41.4       43.7       60.8       62.8       41.4       38.9       60.3       56.5
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, July 31, 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  :   133,179:    14,245          0      7,482    104,136    120,854    125,863    128,336:     7,316      4,843
Old  :   133,179:    14,245          0      7,482    104,136    120,854    125,863    128,336:     7,316      4,843
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     6,537:       158     -1,824        628      7,339      7,830      8,125      6,634:    -1,588        -97
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.7        0.0        5.6       78.2       90.7       94.5       96.4:       5.5        3.6
Old  :     100.0:      10.7        0.0        5.6       78.2       90.7       94.5       96.4:       5.5        3.6
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  :        44:         6          0          5         33         32         39         37:
Old  :        44:         6          0          5         33         32         39         37:
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       47.3       56.9       63.3       36.7       46.6       47.1       58.6
Old  :                 42.1       47.3       56.9       63.3       36.7       46.6       47.1       58.6
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, July 31, 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  :   103,472:    12,391      9,121      5,680     74,008     80,880     92,079     95,681:    11,393      7,791
Old  :   103,472:    12,391      9,121      5,680     74,008     80,880     92,079     95,681:    11,393      7,791
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     3,411:         0       -366        104      4,595      4,587      4,699      4,325:    -1,288       -914
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      12.0        8.8        5.5       71.5       78.2       89.0       92.5:      11.0        7.5
Old  :     100.0:      12.0        8.8        5.5       71.5       78.2       89.0       92.5:      11.0        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  :        33:         3          2          3         23         23         28         26:
Old  :        33:         3          2          3         23         23         28         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  :                 42.4       51.8       61.6       68.5       41.1       49.3       55.2       62.4
Old  :                 42.4       51.8       61.6       68.5       41.1       49.3       55.2       62.4
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, July 31, 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  :    72,114:     8,130         72      6,869     53,006     58,618     68,005     65,559:     4,109      6,555
Old  :    72,114:     8,130         72      6,869     53,006     58,618     68,005     65,559:     4,109      6,555
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       782:      -852        -58        936        698       -106        782        772:         0         10
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.3        0.1        9.5       73.5       81.3       94.3       90.9:       5.7        9.1
Old  :     100.0:      11.3        0.1        9.5       73.5       81.3       94.3       90.9:       5.7        9.1
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  :        29:         3          1          4         17         19         21         23:
Old  :        29:         3          1          4         17         19         21         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  :                 54.4       52.1       74.8       66.0       50.8       45.1       61.0       56.3
Old  :                 54.4       52.1       74.8       66.0       50.8       45.1       61.0       56.3
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, July 31, 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  :    66,356:     7,490          0      2,057     51,541     58,408     61,088     60,465:     5,268      5,891
Old  :    66,356:     7,490          0      2,057     51,541     58,408     61,088     60,465:     5,268      5,891
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :    -1,110:    -1,195          0        208        400        992       -587      1,200:      -523     -2,310
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.3        0.0        3.1       77.7       88.0       92.1       91.1:       7.9        8.9
Old  :     100.0:      11.3        0.0        3.1       77.7       88.0       92.1       91.1:       7.9        8.9
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  :        32:         2          0          2         25         24         27         26:
Old  :        32:         2          0          2         25         24         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  :                 57.4       35.8       75.2       54.8       48.4       33.4       61.0       48.6
Old  :                 57.4       35.8       75.2       54.8       48.4       33.4       61.0       48.6
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, July 31, 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  :    91,078:     6,600      5,349      1,916     76,251     75,899     84,767     83,164:     6,311      7,914
Old  :    91,078:     6,600      5,349      1,916     76,251     75,899     84,767     83,164:     6,311      7,914
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :      -975:       236      1,962     -1,592        864     -3,171       -492     -2,801:      -483      1,826
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.2        5.9        2.1       83.7       83.3       93.1       91.3:       6.9        8.7
Old  :     100.0:       7.2        5.9        2.1       83.7       83.3       93.1       91.3:       6.9        8.7
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  :        46:         3          4          4         30         31         36         36:
Old  :        46:         3          4          4         30         31         36         36:
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  :                 48.2       25.0       65.5       42.6       37.2       18.6       49.7       33.4
Old  :                 48.2       25.0       65.5       42.6       37.2       18.6       49.7       33.4
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, July 31, 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  :   102,252:     3,375      2,468      4,819     79,207     84,310     87,401     91,597:    14,851     10,655
Old  :   102,252:     3,375      2,468      4,819     79,207     84,310     87,401     91,597:    14,851     10,655
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     3,412:       525        604        102      2,714      2,068      3,341      2,774:        71        638
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.3        2.4        4.7       77.5       82.5       85.5       89.6:      14.5       10.4
Old  :     100.0:       3.3        2.4        4.7       77.5       82.5       85.5       89.6:      14.5       10.4
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  :        35:         1          2          2         24         22         26         25:
Old  :        35:         1          2          2         24         22         26         25:
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  :                 37.8       41.0       60.0       59.5       34.5       38.1       51.1       54.6
Old  :                 37.8       41.0       60.0       59.5       34.5       38.1       51.1       54.6
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, July 31, 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  :    40,793:     8,755      1,638      1,806     26,686     30,842     37,247     34,286:     3,546      6,507
Old  :    40,793:     8,755      1,638      1,806     26,686     30,842     37,247     34,286:     3,546      6,507
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     1,846:      -365       -868        671      2,064      4,189      2,370      3,992:      -524     -2,146
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      21.5        4.0        4.4       65.4       75.6       91.3       84.0:       8.7       16.0
Old  :     100.0:      21.5        4.0        4.4       65.4       75.6       91.3       84.0:       8.7       16.0
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  :        25:         3          1          3         16         14         20         17:
Old  :        25:         3          1          3         16         14         20         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  :                 42.2       41.0       64.3       67.2       35.0       38.3       53.3       53.1
Old  :                 42.2       41.0       64.3       67.2       35.0       38.3       53.3       53.1
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, July 31, 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  :    66,779:     7,056      6,177      5,378     49,538     43,869     61,972     55,424:     4,807     11,355
Old  :    66,779:     7,056      6,177      5,378     49,538     43,869     61,972     55,424:     4,807     11,355
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     2,651:    -1,263      1,728        658      2,344        873      1,739      3,259:       912       -608
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.6        9.2        8.1       74.2       65.7       92.8       83.0:       7.2       17.0
Old  :     100.0:      10.6        9.2        8.1       74.2       65.7       92.8       83.0:       7.2       17.0
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:         2          2          4         15         14         19         18:
Old  :        21:         2          2          4         15         14         19         18:
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  :                 58.2       40.6       75.8       63.9       48.4       33.6       64.2       51.1
Old  :                 58.2       40.6       75.8       63.9       48.4       33.6       64.2       51.1
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, July 31, 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  :    83,685:    16,151          0      1,906     59,421     75,673     77,478     77,579:     6,207      6,106
Old  :    83,685:    16,151          0      1,906     59,421     75,673     77,478     77,579:     6,207      6,106
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :      -240:      -111          0        252       -381       -246       -240          6:         0       -246
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      19.3        0.0        2.3       71.0       90.4       92.6       92.7:       7.4        7.3
Old  :     100.0:      19.3        0.0        2.3       71.0       90.4       92.6       92.7:       7.4        7.3
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:         3          0          2         27         23         30         25:
Old  :        33:         3          0          2         27         23         30         25:
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       44.0       62.6       59.8       29.0       29.7       41.2       42.6
Old  :                 40.2       44.0       62.6       59.8       29.0       29.7       41.2       42.6
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, July 31, 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  :   117,250:     8,250      8,384      5,804     94,968     89,963    109,022    104,151:     8,228     13,099
Old  :   117,250:     8,250      8,384      5,804     94,968     89,963    109,022    104,151:     8,228     13,099
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     1,156:     2,615       -122       -449       -910      1,533      1,256        962:      -100        194
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.0        7.2        5.0       81.0       76.7       93.0       88.8:       7.0       11.2
Old  :     100.0:       7.0        7.2        5.0       81.0       76.7       93.0       88.8:       7.0       11.2
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  :        45:         3          2          3         31         30         35         34:
Old  :        45:         3          2          3         31         30         35         34:
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  :                 36.1       30.6       55.0       50.2       30.9       28.5       47.0       46.0
Old  :                 36.1       30.6       55.0       50.2       30.9       28.5       47.0       46.0
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, July 31, 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  :    57,500:         0      2,183      1,980     45,415     42,764     47,395     46,927:    10,105     10,573
Old  :    57,500:         0      2,183      1,980     45,415     42,764     47,395     46,927:    10,105     10,573
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       366:         0       -481        301        -31        358        270        178:        96        188
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        3.8        3.4       79.0       74.4       82.4       81.6:      17.6       18.4
Old  :     100.0:       0.0        3.8        3.4       79.0       74.4       82.4       81.6:      17.6       18.4
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  :        27:         0          2          2         18         19         20         21:
Old  :        27:         0          2          2         18         19         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  :                 45.8       38.8       63.3       63.0       45.1       38.4       61.0       57.5
Old  :                 45.8       38.8       63.3       63.0       45.1       38.4       61.0       57.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                       HENRY HUB INDEX SWAP - NEW YORK MERCANTILE EXCHANGE                              Code-023A09
Commitments of Traders - Futures Only, July 31, 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  :    33,678:     8,126      8,116          0     25,122     25,407     33,248     33,523:       430        155
Old  :    33,678:     8,126      8,116          0     25,122     25,407     33,248     33,523:       430        155
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     2,604:     1,178        372          0      1,704      2,201      2,882      2,573:      -278         31
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      24.1       24.1        0.0       74.6       75.4       98.7       99.5:       1.3        0.5
Old  :     100.0:      24.1       24.1        0.0       74.6       75.4       98.7       99.5:       1.3        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  :        35:         4          3          0         15         16         19         19:
Old  :        35:         4          3          0         15         16         19         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  :                 61.8       60.5       80.1       81.7       45.1       44.5       57.0       61.6
Old  :                 61.8       60.5       80.1       81.7       45.1       44.5       57.0       61.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                  HOUSTON SHP CHANNEL INDEX SWAP - NEW YORK MERCANTILE EXCHANGE                         Code-023A10
Commitments of Traders - Futures Only, July 31, 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  :    26,225:     1,875          0          0     24,226     24,965     26,101     24,965:       124      1,260
Old  :    26,225:     1,875          0          0     24,226     24,965     26,101     24,965:       124      1,260
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :         .:         .          .          .          .          .          .          .:         .          .
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.1        0.0        0.0       92.4       95.2       99.5       95.2:       0.5        4.8
Old  :     100.0:       7.1        0.0        0.0       92.4       95.2       99.5       95.2:       0.5        4.8
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  :        21:         2          0          0         12         12         14         12:
Old  :        21:         2          0          0         12         12         14         12:
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  :                 66.1       73.8       87.3       90.6       65.6       68.5       86.8       83.9
Old  :                 66.1       73.8       87.3       90.6       65.6       68.5       86.8       83.9
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, July 31, 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  :   152,891:     4,386     17,363     19,861    117,863    108,680    142,110    145,904:    10,781      6,987
Old  :   152,891:     4,386     17,363     19,861    117,863    108,680    142,110    145,904:    10,781      6,987
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     2,480:       492       -250        778      1,694      2,304      2,964      2,832:      -484       -352
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.9       11.4       13.0       77.1       71.1       92.9       95.4:       7.1        4.6
Old  :     100.0:       2.9       11.4       13.0       77.1       71.1       92.9       95.4:       7.1        4.6
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  :        48:         3          6          8         37         33         45         42:
Old  :        48:         3          6          8         37         33         45         42:
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  :                 31.1       31.5       46.5       55.3       25.6       27.9       35.2       41.4
Old  :                 31.1       31.5       46.5       55.3       25.6       27.9       35.2       41.4
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, July 31, 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  :    93,471:     1,231      3,849      3,486     81,107     77,595     85,824     84,930:     7,647      8,541
Old  :    93,471:     1,231      3,849      3,486     81,107     77,595     85,824     84,930:     7,647      8,541
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       679:    -2,687          0         32      1,748        616       -907        648:     1,586         31
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.3        4.1        3.7       86.8       83.0       91.8       90.9:       8.2        9.1
Old  :     100.0:       1.3        4.1        3.7       86.8       83.0       91.8       90.9:       8.2        9.1
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  :        35:         3          1          3         23         25         26         29:
Old  :        35:         3          1          3         23         25         26         29:
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  :                 54.2       36.0       69.7       57.6       51.7       32.6       60.8       50.8
Old  :                 54.2       36.0       69.7       57.6       51.7       32.6       60.8       50.8
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, July 31, 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  :    67,165:    10,814      7,372          0     54,604     54,936     65,418     62,308:     1,747      4,857
Old  :    67,165:    10,814      7,372          0     54,604     54,936     65,418     62,308:     1,747      4,857
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     1,777:     3,866       -372          0       -367      1,648      3,499      1,276:    -1,722        501
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      16.1       11.0        0.0       81.3       81.8       97.4       92.8:       2.6        7.2
Old  :     100.0:      16.1       11.0        0.0       81.3       81.8       97.4       92.8:       2.6        7.2
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  :        40:         5          2          0         21         24         26         26:
Old  :        40:         5          2          0         21         24         26         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  :                 55.7       43.8       76.8       71.0       46.7       41.3       60.5       58.2
Old  :                 55.7       43.8       76.8       71.0       46.7       41.3       60.5       58.2
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, July 31, 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  :   279,538:    15,265      2,496      5,611    251,688    260,700    272,564    268,807:     6,974     10,731
Old  :   279,538:    15,265      2,496      5,611    251,688    260,700    272,564    268,807:     6,974     10,731
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     8,097:    -2,779      1,518      1,634      8,597      4,451      7,452      7,603:       645        494
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.5        0.9        2.0       90.0       93.3       97.5       96.2:       2.5        3.8
Old  :     100.0:       5.5        0.9        2.0       90.0       93.3       97.5       96.2:       2.5        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  :        63:         4          3          5         49         48         54         55:
Old  :        63:         4          3          5         49         48         54         55:
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  :                 33.7       52.4       51.7       63.1       30.1       45.5       44.0       54.9
Old  :                 33.7       52.4       51.7       63.1       30.1       45.5       44.0       54.9
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, July 31, 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  :   189,963:     6,463      5,880     12,939    158,252    165,986    177,654    184,805:    12,309      5,158
Old  :   189,963:     6,463      5,880     12,939    158,252    165,986    177,654    184,805:    12,309      5,158
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     5,473:         0      1,461     -1,228      7,017      6,656      5,789      6,889:      -316     -1,416
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.4        3.1        6.8       83.3       87.4       93.5       97.3:       6.5        2.7
Old  :     100.0:       3.4        3.1        6.8       83.3       87.4       93.5       97.3:       6.5        2.7
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  :        50:         3          3          5         41         36         47         42:
Old  :        50:         3          3          5         41         36         47         42:
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  :                 31.4       38.4       46.9       59.8       26.9       34.0       39.0       47.0
Old  :                 31.4       38.4       46.9       59.8       26.9       34.0       39.0       47.0
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, July 31, 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  :   185,052:     1,099     14,018     10,797    159,750    148,204    171,646    173,019:    13,406     12,033
Old  :   185,052:     1,099     14,018     10,797    159,750    148,204    171,646    173,019:    13,406     12,033
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     2,015:       -87      2,184         14      3,704       -770      3,631      1,428:    -1,616        587
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.6        7.6        5.8       86.3       80.1       92.8       93.5:       7.2        6.5
Old  :     100.0:       0.6        7.6        5.8       86.3       80.1       92.8       93.5:       7.2        6.5
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  :        55:         1          5          5         45         37         50         43:
Old  :        55:         1          5          5         45         37         50         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  :                 33.9       38.5       51.9       56.5       30.8       34.6       46.1       47.6
Old  :                 33.9       38.5       51.9       56.5       30.8       34.6       46.1       47.6
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, July 31, 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  :    59,021:         0        215      2,361     44,287     44,091     46,648     46,667:    12,373     12,354
Old  :    59,021:         0        215      2,361     44,287     44,091     46,648     46,667:    12,373     12,354
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       408:         0       -397        286       -244        333         42        222:       366        186
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        0.4        4.0       75.0       74.7       79.0       79.1:      21.0       20.9
Old  :     100.0:       0.0        0.4        4.0       75.0       74.7       79.0       79.1:      21.0       20.9
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  :        23:         0          1          1         20         16         21         17:
Old  :        23:         0          1          1         20         16         21         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  :                 37.9       38.8       55.1       59.9       34.3       33.3       45.9       45.5
Old  :                 37.9       38.8       55.1       59.9       34.3       33.3       45.9       45.5
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, July 31, 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  :   242,754:    27,287      4,767     20,895    178,838    202,023    227,020    227,685:    15,734     15,069
Old  :   242,754:    27,287      4,767     20,895    178,838    202,023    227,020    227,685:    15,734     15,069
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     1,616:       -90       -971        246      1,646      2,283      1,802      1,558:      -186         58
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.2        2.0        8.6       73.7       83.2       93.5       93.8:       6.5        6.2
Old  :     100.0:      11.2        2.0        8.6       73.7       83.2       93.5       93.8:       6.5        6.2
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  :        57:         8          3          9         43         43         54         52:
Old  :        57:         8          3          9         43         43         54         52:
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       33.0       45.5       47.5       24.2       28.2       36.4       37.1
Old  :                 31.0       33.0       45.5       47.5       24.2       28.2       36.4       37.1
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, July 31, 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  :    70,606:     4,341      5,424      5,497     53,419     52,159     63,257     63,080:     7,349      7,526
Old  :    70,606:     4,341      5,424      5,497     53,419     52,159     63,257     63,080:     7,349      7,526
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     2,723:     1,745       -602       -346      1,204      3,548      2,603      2,600:       120        123
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.1        7.7        7.8       75.7       73.9       89.6       89.3:      10.4       10.7
Old  :     100.0:       6.1        7.7        7.8       75.7       73.9       89.6       89.3:      10.4       10.7
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  :        37:         4          4          5         20         25         26         32:
Old  :        37:         4          4          5         20         25         26         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  :                 34.7       24.1       56.1       40.5       32.3       17.6       42.6       30.1
Old  :                 34.7       24.1       56.1       40.5       32.3       17.6       42.6       30.1
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, July 31, 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  : 2,699,432:   346,608    124,781    873,073  1,446,831  1,686,717  2,666,512  2,684,571:    32,920     14,861
Old  : 2,699,432:   346,608    124,781    873,073  1,446,831  1,686,717  2,666,512  2,684,571:    32,920     14,861
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :   -56,576:   -17,130    -16,063      9,003    -55,282    -50,188    -63,409    -57,248:     6,833        672
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      12.8        4.6       32.3       53.6       62.5       98.8       99.4:       1.2        0.6
Old  :     100.0:      12.8        4.6       32.3       53.6       62.5       98.8       99.4:       1.2        0.6
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  :       150:        25         20         43        101         92        145        138:
Old  :       150:        25         20         43        101         92        145        138:
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  :                 29.8       39.2       44.4       53.4       10.0       20.0       15.2       23.4
Old  :                 29.8       39.2       44.4       53.4       10.0       20.0       15.2       23.4
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, July 31, 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  : 1,004,825:    56,843    195,586    256,558    689,429    550,538  1,002,830  1,002,682:     1,995      2,143
Old  : 1,004,825:    56,843    195,586    256,558    689,429    550,538  1,002,830  1,002,682:     1,995      2,143
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :  -114,815:   -45,388    -99,689     15,852    -85,174    -30,911   -114,710   -114,748:      -105        -67
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.7       19.5       25.5       68.6       54.8       99.8       99.8:       0.2        0.2
Old  :     100.0:       5.7       19.5       25.5       68.6       54.8       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  :        84:        19         22         36         42         41         79         81:
Old  :        84:        19         22         36         42         41         79         81:
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  :                 46.2       34.4       65.5       55.0       31.0       21.8       38.4       31.9
Old  :                 46.2       34.4       65.5       55.0       31.0       21.8       38.4       31.9
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, July 31, 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  :    38,664:     3,476        682        609     33,146     36,439     37,231     37,730:     1,433        934
Old  :    38,664:     3,476        682        609     33,146     36,439     37,231     37,730:     1,433        934
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :    -1,218:      -549       -957        -42       -886       -533     -1,477     -1,532:       259        314
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.0        1.8        1.6       85.7       94.2       96.3       97.6:       3.7        2.4
Old  :     100.0:       9.0        1.8        1.6       85.7       94.2       96.3       97.6:       3.7        2.4
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  :        48:         7          3          5         31         30         40         36:
Old  :        48:         7          3          5         31         30         40         36:
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  :                 54.2       44.5       72.5       64.2       40.3       39.7       53.3       51.1
Old  :                 54.2       44.5       72.5       64.2       40.3       39.7       53.3       51.1
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, July 31, 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  :    18,828:     1,417         88        615     16,688     17,979     18,720     18,682:       108        146
Old  :    18,828:     1,417         88        615     16,688     17,979     18,720     18,682:       108        146
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.5        0.5        3.3       88.6       95.5       99.4       99.2:       0.6        0.8
Old  :     100.0:       7.5        0.5        3.3       88.6       95.5       99.4       99.2:       0.6        0.8
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  :        27:         2          1          2         14         20         16         23:
Old  :        27:         2          1          2         14         20         16         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  :                 65.3       73.2       87.7       89.9       45.7       58.8       60.2       62.9
Old  :                 65.3       73.2       87.7       89.9       45.7       58.8       60.2       62.9
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, July 31, 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  :    20,255:     6,062        340        216     13,446     19,267     19,724     19,823:       531        432
Old  :    20,255:     6,062        340        216     13,446     19,267     19,724     19,823:       531        432
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       408:         0         80        -80        470        390        390        390:        18         18
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      29.9        1.7        1.1       66.4       95.1       97.4       97.9:       2.6        2.1
Old  :     100.0:      29.9        1.7        1.1       66.4       95.1       97.4       97.9:       2.6        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  :        26:         2          2          2         16         18         18         22:
Old  :        26:         2          2          2         16         18         18         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  :                 63.7       63.3       83.4       80.8       55.5       50.8       67.3       63.0
Old  :                 63.7       63.3       83.4       80.8       55.5       50.8       67.3       63.0
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, July 31, 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  :    12,136:       555        370         96     10,937     11,440     11,588     11,906:       548        230
Old  :    12,136:       555        370         96     10,937     11,440     11,588     11,906:       548        230
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :      -392:      -154        -46        -30       -166       -312       -350       -388:       -42         -4
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.6        3.0        0.8       90.1       94.3       95.5       98.1:       4.5        1.9
Old  :     100.0:       4.6        3.0        0.8       90.1       94.3       95.5       98.1:       4.5        1.9
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  :        24:         1          2          3         16         14         19         17:
Old  :        24:         1          2          3         16         14         19         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  :                 47.2       71.3       72.6       87.5       43.6       59.2       59.7       71.5
Old  :                 47.2       71.3       72.6       87.5       43.6       59.2       59.7       71.5
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, July 31, 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  :    30,371:       961      1,390        259     27,531     28,002     28,751     29,651:     1,620        720
Old  :    30,371:       961      1,390        259     27,531     28,002     28,751     29,651:     1,620        720
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       430:         0        320          0        630       -370        630        -50:      -200        480
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.2        4.6        0.9       90.6       92.2       94.7       97.6:       5.3        2.4
Old  :     100.0:       3.2        4.6        0.9       90.6       92.2       94.7       97.6:       5.3        2.4
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  :        31:         1          2          2         21         22         23         25:
Old  :        31:         1          2          2         21         22         23         25:
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  :                 52.8       47.1       70.8       72.0       37.9       37.7       48.9       50.6
Old  :                 52.8       47.1       70.8       72.0       37.9       37.7       48.9       50.6
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, July 31, 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  :    27,724:       240        616      1,432     25,218     25,028     26,890     27,076:       834        648
Old  :    27,724:       240        616      1,432     25,218     25,028     26,890     27,076:       834        648
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       122:         0        -40         40         82         22        122         22:         0        100
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.9        2.2        5.2       91.0       90.3       97.0       97.7:       3.0        2.3
Old  :     100.0:       0.9        2.2        5.2       91.0       90.3       97.0       97.7:       3.0        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  :        23:         1          2          2         19         18         21         21:
Old  :        23:         1          2          2         19         18         21         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  :                 53.9       64.7       76.7       84.5       37.4       42.6       48.0       51.1
Old  :                 53.9       64.7       76.7       84.5       37.4       42.6       48.0       51.1
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, July 31, 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  :    10,708:     1,200        500        580      8,286      9,072     10,066     10,152:       642        556
Old  :    10,708:     1,200        500        580      8,286      9,072     10,066     10,152:       642        556
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       514:         0          0          0        514        994        514        994:         0       -480
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.2        4.7        5.4       77.4       84.7       94.0       94.8:       6.0        5.2
Old  :     100.0:      11.2        4.7        5.4       77.4       84.7       94.0       94.8:       6.0        5.2
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  :        21:         1          2          2         14         13         17         15:
Old  :        21:         1          2          2         14         13         17         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  :                 58.2       57.5       79.8       81.8       39.6       40.9       48.5       48.9
Old  :                 58.2       57.5       79.8       81.8       39.6       40.9       48.5       48.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                      CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE                             Code-067651
Commitments of Traders - Futures Only, July 31, 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  : 1,521,237:   266,519    136,904    283,275    895,645  1,017,457  1,445,439  1,437,636:    75,798     83,601
Old  : 1,521,237:   266,519    136,904    283,275    895,645  1,017,457  1,445,439  1,437,636:    75,798     83,601
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :    35,491:    11,451     -7,258      2,161     18,868     26,745     32,480     21,648:     3,011     13,843
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      17.5        9.0       18.6       58.9       66.9       95.0       94.5:       5.0        5.5
Old  :     100.0:      17.5        9.0       18.6       58.9       66.9       95.0       94.5:       5.0        5.5
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  :       340:       117         96        137         83        101        280        274:
Old  :       340:       117         96        137         83        101        280        274:
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  :                 24.2       25.4       35.0       34.5        9.1        7.9       14.4       11.6
Old  :                 24.2       25.4       35.0       34.5        9.1        7.9       14.4       11.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                   WTI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE                           Code-06765A
Commitments of Traders - Futures Only, July 31, 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  :    93,522:    19,444     17,295      2,784     49,017     40,430     71,245     60,509:    22,277     33,013
Old  :    93,522:    19,444     17,295      2,784     49,017     40,430     71,245     60,509:    22,277     33,013
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :    -5,030:    -1,435      2,106       -500     -1,308     -4,486     -3,243     -2,880:    -1,787     -2,150
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      20.8       18.5        3.0       52.4       43.2       76.2       64.7:      23.8       35.3
Old  :     100.0:      20.8       18.5        3.0       52.4       43.2       76.2       64.7:      23.8       35.3
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          4          4         17         15         22         20:
Old  :        23:         2          4          4         17         15         22         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  :                 40.2       29.9       59.9       47.4       39.4       28.2       54.6       42.7
Old  :                 40.2       29.9       59.9       47.4       39.4       28.2       54.6       42.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                  DUBAI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE                          Code-06765G
Commitments of Traders - Futures Only, July 31, 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  :    11,389:         0        250          0     11,389     11,139     11,389     11,389:         0          0
Old  :    11,389:         0        250          0     11,389     11,139     11,389     11,389:         0          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       495:         0        -75       -225      1,045      1,120        820        820:      -325       -325
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        2.2        0.0      100.0       97.8      100.0      100.0:       0.0        0.0
Old  :     100.0:       0.0        2.2        0.0      100.0       97.8      100.0      100.0:       0.0        0.0
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  :        29:         0          1          0         24         22         24         23:
Old  :        29:         0          1          0         24         22         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  :                 44.1       47.3       67.2       73.7       33.4       28.4       42.9       38.8
Old  :                 44.1       47.3       67.2       73.7       33.4       28.4       42.9       38.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                     WTI CRUDE OIL FINANCIAL - NEW YORK MERCANTILE EXCHANGE                             Code-06765I
Commitments of Traders - Futures Only, July 31, 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  :    86,218:     6,856     21,789     20,765     52,667     36,126     80,288     78,680:     5,930      7,538
Old  :    86,218:     6,856     21,789     20,765     52,667     36,126     80,288     78,680:     5,930      7,538
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :     1,431:      -250        918        -29        954       -410        675        479:       756        952
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.0       25.3       24.1       61.1       41.9       93.1       91.3:       6.9        8.7
Old  :     100.0:       8.0       25.3       24.1       61.1       41.9       93.1       91.3:       6.9        8.7
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  :        37:         6         12         15         19         17         35         34:
Old  :        37:         6         12         15         19         17         35         34:
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  :                 32.4       36.8       52.2       58.6       16.6       16.6       24.7       22.3
Old  :                 32.4       36.8       52.2       58.6       16.6       16.6       24.7       22.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                            PALLADIUM - NEW YORK MERCANTILE EXCHANGE                                    Code-075651
Commitments of Traders - Futures Only, July 31, 2007                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                 (CONTRACTS OF 100 TROY OUNCES)                             :
     :          :                                                                            :
All  :    18,623:    12,864      1,463        183      3,183     16,627     16,230     18,273:     2,393        350
Old  :    18,623:    12,864      1,463        183      3,183     16,627     16,230     18,273:     2,393        350
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :      -343:      -297        180          3         60       -695       -234       -512:      -109        169
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      69.1        7.9        1.0       17.1       89.3       87.2       98.1:      12.8        1.9
Old  :     100.0:      69.1        7.9        1.0       17.1       89.3       87.2       98.1:      12.8        1.9
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  :       114:        63         12          6         13         26         80         42:
Old  :       114:        63         12          6         13         26         80         42:
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  :                 42.2       39.6       57.5       60.9       42.2       39.6       57.5       60.9
Old  :                 42.2       39.6       57.5       60.9       42.2       39.6       57.5       60.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                             PLATINUM - NEW YORK MERCANTILE EXCHANGE                                    Code-076651
Commitments of Traders - Futures Only, July 31, 2007                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                 (CONTRACTS OF 50 TROY OUNCES)                              :
     :          :                                                                            :
All  :    14,773:     9,037        878          0      2,768     13,139     11,805     14,017:     2,968        756
Old  :    14,773:     9,037        878          0      2,768     13,139     11,805     14,017:     2,968        756
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :    -3,995:    -4,648       -531          0      1,023     -3,331     -3,625     -3,862:      -370       -133
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      61.2        5.9        0.0       18.7       88.9       79.9       94.9:      20.1        5.1
Old  :     100.0:      61.2        5.9        0.0       18.7       88.9       79.9       94.9:      20.1        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  :        73:        32          5          0         11         25         43         30:
Old  :        73:        32          5          0         11         25         43         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  :                 30.9       53.0       43.1       69.0       30.9       53.0       43.1       69.0
Old  :                 30.9       53.0       43.1       69.0       30.9       53.0       43.1       69.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                    GASOLINE BLENDSTOCK (RBOB) - NEW YORK MERCANTILE EXCHANGE                           Code-111659
Commitments of Traders - Futures Only, July 31, 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  :   186,555:    48,527     11,401     13,485    110,624    149,469    172,636    174,355:    13,919     12,200
Old  :   186,555:    48,527     11,401     13,485    110,624    149,469    172,636    174,355:    13,919     12,200
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :    -7,272:     2,649        430       -955     -6,328     -6,350     -4,634     -6,875:    -2,638       -397
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      26.0        6.1        7.2       59.3       80.1       92.5       93.5:       7.5        6.5
Old  :     100.0:      26.0        6.1        7.2       59.3       80.1       92.5       93.5:       7.5        6.5
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  :       172:        57         22         25         74         82        140        121:
Old  :       172:        57         22         25         74         82        140        121:
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  :                 23.2       29.2       36.4       42.7       10.6       13.9       17.0       23.7
Old  :                 23.2       29.2       36.4       42.7       10.6       13.9       17.0       23.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                        SING JET KERO SWAP - NEW YORK MERCANTILE EXCHANGE                               Code-26265D
Commitments of Traders - Futures Only, July 31, 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  :     3,290:         0          0          0      3,290      3,290      3,290      3,290:         0          0
Old  :     3,290:         0          0          0      3,290      3,290      3,290      3,290:         0          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       250:       -50          0        -50        350        300        250        250:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        0.0        0.0      100.0      100.0      100.0      100.0:       0.0        0.0
Old  :     100.0:       0.0        0.0        0.0      100.0      100.0      100.0      100.0:       0.0        0.0
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:         0          0          0         13         15         13         15:
Old  :        21:         0          0          0         13         15         13         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  :                 60.8       59.0       86.3       84.8       42.6       38.0       51.7       51.7
Old  :                 60.8       59.0       86.3       84.8       42.6       38.0       51.7       51.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                  SING JET KERO GASOIL SPR SWAP - NEW YORK MERCANTILE EXCHANGE                          Code-86465C
Commitments of Traders - Futures Only, July 31, 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  :     4,175:       350         50          0      3,825      4,125      4,175      4,175:         0          0
Old  :     4,175:       350         50          0      3,825      4,125      4,175      4,175:         0          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: July 24, 2007                        :
     :       250:         0          0          0        250        350        250        350:         0       -100
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.4        1.2        0.0       91.6       98.8      100.0      100.0:       0.0        0.0
Old  :     100.0:       8.4        1.2        0.0       91.6       98.8      100.0      100.0:       0.0        0.0
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  :        23:         2          1          0         11         17         13         18:
Old  :        23:         2          1          0         11         17         13         18:
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  :                 60.5       56.3       91.6       75.4       56.9       45.5       75.4       63.5
Old  :                 60.5       56.3       91.6       75.4       56.9       45.5       75.4       63.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated August 12, 2008