GULF # 6 FUEL 3.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE                         Code-02165A
Commitments of Traders - Futures Only, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :     7,938:         0          0          0      6,105      7,290      6,105      7,290:     1,833        648
Old  :     7,938:         0          0          0      6,105      7,290      6,105      7,290:     1,833        648
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :       265:         0          0          0       -545       -135       -545       -135:       810        400
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        0.0        0.0       76.9       91.8       76.9       91.8:      23.1        8.2
Old  :     100.0:       0.0        0.0        0.0       76.9       91.8       76.9       91.8:      23.1        8.2
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  :        32:         0          0          0         21         21         21         21:
Old  :        32:         0          0          0         21         21         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  :                 44.0       57.7       60.4       78.9       41.5       57.7       51.2       71.2
Old  :                 44.0       57.7       60.4       78.9       41.5       57.7       51.2       71.2
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                  (CONTRACTS OF 1,000 BARRELS)                              :
     :          :                                                                            :
All  :     8,546:        50        820        125      8,156      7,536      8,331      8,481:       215         65
Old  :     8,546:        50        820        125      8,156      7,536      8,331      8,481:       215         65
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :       -75:         0          0          0       -200        -95       -200        -95:       125         20
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.6        9.6        1.5       95.4       88.2       97.5       99.2:       2.5        0.8
Old  :     100.0:       0.6        9.6        1.5       95.4       88.2       97.5       99.2:       2.5        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  :        39:         1          2          1         27         29         29         31:
Old  :        39:         1          2          1         27         29         29         31:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 50.7       44.6       72.1       66.0       44.6       40.3       57.3       56.2
Old  :                 50.7       44.6       72.1       66.0       44.6       40.3       57.3       56.2
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                (CONTRACTS OF 1,000 METRIC TONS)                            :
     :          :                                                                            :
All  :     3,413:        20          0         15      2,604      2,577      2,639      2,592:       774        821
Old  :     3,413:        20          0         15      2,604      2,577      2,639      2,592:       774        821
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :       320:         0        -27        -30        207        268        177        211:       143        109
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.6        0.0        0.4       76.3       75.5       77.3       75.9:      22.7       24.1
Old  :     100.0:       0.6        0.0        0.4       76.3       75.5       77.3       75.9:      22.7       24.1
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  :        25:         1          0          1         21         22         22         23:
Old  :        25:         1          0          1         21         22         22         23:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 32.8       29.0       51.8       50.2       23.1       26.5       34.5       37.7
Old  :                 32.8       29.0       51.8       50.2       23.1       26.5       34.5       37.7
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :     4,367:         5          0         35      3,774      3,628      3,814      3,663:       553        704
Old  :     4,367:         5          0         35      3,774      3,628      3,814      3,663:       553        704
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :       475:      -120          0          0        465        440        345        440:       130         35
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.1        0.0        0.8       86.4       83.1       87.3       83.9:      12.7       16.1
Old  :     100.0:       0.1        0.0        0.8       86.4       83.1       87.3       83.9:      12.7       16.1
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  :        36:         1          0          1         29         34         30         35:
Old  :        36:         1          0          1         29         34         30         35:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 28.9       25.2       49.3       41.2       19.9       18.1       32.8       27.2
Old  :                 28.9       25.2       49.3       41.2       19.9       18.1       32.8       27.2
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   220,703:    39,628     16,695     22,099    127,851    157,112    189,578    195,906:    31,125     24,797
Old  :   220,703:    39,628     16,695     22,099    127,851    157,112    189,578    195,906:    31,125     24,797
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -3,376:    -2,200       -126      2,328     -3,941     -3,276     -3,813     -1,074:       437     -2,302
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      18.0        7.6       10.0       57.9       71.2       85.9       88.8:      14.1       11.2
Old  :     100.0:      18.0        7.6       10.0       57.9       71.2       85.9       88.8:      14.1       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  :       152:        43         24         31         64         80        126        119:
Old  :       152:        43         24         31         64         80        126        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  :                 19.0       25.0       29.6       38.4       12.7       17.7       19.5       23.9
Old  :                 19.0       25.0       29.6       38.4       12.7       17.7       19.5       23.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                         SING GASOIL SWAP - NEW YORK MERCANTILE EXCHANGE                                Code-02265J
Commitments of Traders - Futures Only, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                  (CONTRACTS OF 1000 BARRELS)                               :
     :          :                                                                            :
All  :     9,645:     2,000        100        500      6,915      8,995      9,415      9,595:       230         50
Old  :     9,645:     2,000        100        500      6,915      8,995      9,415      9,595:       230         50
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :       700:         0        100          0      1,025        775      1,025        875:      -325       -175
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      20.7        1.0        5.2       71.7       93.3       97.6       99.5:       2.4        0.5
Old  :     100.0:      20.7        1.0        5.2       71.7       93.3       97.6       99.5:       2.4        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  :        33:         1          1          2         26         28         28         30:
Old  :        33:         1          1          2         26         28         28         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  :                 70.5       56.0       83.6       70.8       61.2       52.4       68.9       60.9
Old  :                 70.5       56.0       83.6       70.8       61.2       52.4       68.9       60.9
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   866,662:   143,900    209,369    283,357    370,766    342,430    798,023    835,156:    68,639     31,506
Old  :   866,662:   143,900    209,369    283,357    370,766    342,430    798,023    835,156:    68,639     31,506
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :   -17,723:     7,077      6,526    -14,550     -7,502    -11,840    -14,975    -19,864:    -2,748      2,141
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      16.6       24.2       32.7       42.8       39.5       92.1       96.4:       7.9        3.6
Old  :     100.0:      16.6       24.2       32.7       42.8       39.5       92.1       96.4:       7.9        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  :       211:        77         45         72         76         68        193        153:
Old  :       211:        77         45         72         76         68        193        153:
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  :                 26.5       38.0       40.5       52.8       11.8       20.2       16.7       24.2
Old  :                 26.5       38.0       40.5       52.8       11.8       20.2       16.7       24.2
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    95,490:         0     12,191      1,829     84,954     69,877     86,783     83,897:     8,707     11,593
Old  :    95,490:         0     12,191      1,829     84,954     69,877     86,783     83,897:     8,707     11,593
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -2,310:        -3        269       -584     -1,547     -1,362     -2,134     -1,677:      -176       -633
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0       12.8        1.9       89.0       73.2       90.9       87.9:       9.1       12.1
Old  :     100.0:       0.0       12.8        1.9       89.0       73.2       90.9       87.9:       9.1       12.1
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  :        28:         0          4          2         22         18         24         22:
Old  :        28:         0          4          2         22         18         24         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  :                 56.0       58.0       69.8       73.7       54.5       57.3       66.5       69.9
Old  :                 56.0       58.0       69.8       73.7       54.5       57.3       66.5       69.9
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    83,338:     3,587     10,308      2,339     69,284     59,941     75,210     72,588:     8,128     10,750
Old  :    83,338:     3,587     10,308      2,339     69,284     59,941     75,210     72,588:     8,128     10,750
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -8,078:    -2,182      1,570       -737     -5,484     -9,995     -8,403     -9,162:       325      1,084
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.3       12.4        2.8       83.1       71.9       90.2       87.1:       9.8       12.9
Old  :     100.0:       4.3       12.4        2.8       83.1       71.9       90.2       87.1:       9.8       12.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        35:         2          2          4         24         22         28         26:
Old  :        35:         2          2          4         24         22         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  :                 39.2       37.4       60.0       58.6       38.7       33.6       59.2       51.4
Old  :                 39.2       37.4       60.0       58.6       38.7       33.6       59.2       51.4
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   120,429:     8,955          0      4,917     95,578    106,229    109,450    111,146:    10,979      9,283
Old  :   120,429:     8,955          0      4,917     95,578    106,229    109,450    111,146:    10,979      9,283
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -9,220:    -2,391          0        -30     -8,953    -10,512    -11,374    -10,542:     2,154      1,322
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.4        0.0        4.1       79.4       88.2       90.9       92.3:       9.1        7.7
Old  :     100.0:       7.4        0.0        4.1       79.4       88.2       90.9       92.3:       9.1        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  :        31:         2          0          1         22         23         24         24:
Old  :        31:         2          0          1         22         23         24         24:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 51.9       40.3       68.2       59.2       41.8       39.8       56.0       56.7
Old  :                 51.9       40.3       68.2       59.2       41.8       39.8       56.0       56.7
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   111,647:    13,268      2,521      6,187     80,125     89,957     99,580     98,665:    12,067     12,982
Old  :   111,647:    13,268      2,521      6,187     80,125     89,957     99,580     98,665:    12,067     12,982
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :       738:         0        306       -152      1,408        617      1,256        771:      -518        -33
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.9        2.3        5.5       71.8       80.6       89.2       88.4:      10.8       11.6
Old  :     100.0:      11.9        2.3        5.5       71.8       80.6       89.2       88.4:      10.8       11.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        36:         2          2          2         20         28         24         30:
Old  :        36:         2          2          2         20         28         24         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  :                 30.5       39.5       53.5       58.0       29.7       35.2       47.0       50.2
Old  :                 30.5       39.5       53.5       58.0       29.7       35.2       47.0       50.2
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    53,378:     7,630          0      4,240     36,500     43,767     48,370     48,007:     5,008      5,371
Old  :    53,378:     7,630          0      4,240     36,500     43,767     48,370     48,007:     5,008      5,371
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -3,589:    -2,157          0        554     -2,052     -1,816     -3,655     -1,262:        66     -2,327
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      14.3        0.0        7.9       68.4       82.0       90.6       89.9:       9.4       10.1
Old  :     100.0:      14.3        0.0        7.9       68.4       82.0       90.6       89.9:       9.4       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  :        22:         2          0          2         15         17         17         19:
Old  :        22:         2          0          2         15         17         17         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  :                 54.8       42.5       73.5       70.8       45.3       33.8       53.4       52.7
Old  :                 54.8       42.5       73.5       70.8       45.3       33.8       53.4       52.7
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    71,448:     3,007      2,366      4,283     57,602     52,413     64,892     59,062:     6,556     12,386
Old  :    71,448:     3,007      2,366      4,283     57,602     52,413     64,892     59,062:     6,556     12,386
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -3,696:       185      2,060     -3,061     -1,629     -3,775     -4,505     -4,776:       809      1,080
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.2        3.3        6.0       80.6       73.4       90.8       82.7:       9.2       17.3
Old  :     100.0:       4.2        3.3        6.0       80.6       73.4       90.8       82.7:       9.2       17.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        26:         1          1          2         19         20         21         22:
Old  :        26:         1          1          2         19         20         21         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  :                 48.9       44.4       73.1       63.4       48.2       39.3       62.9       52.5
Old  :                 48.9       44.4       73.1       63.4       48.2       39.3       62.9       52.5
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                        (2,500 MMBTU'S)                                     :
     :          :                                                                            :
All  :    97,412:     2,874        980      2,782     87,410     81,399     93,066     85,161:     4,346     12,251
Old  :    97,412:     2,874        980      2,782     87,410     81,399     93,066     85,161:     4,346     12,251
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :     1,616:    -1,073       -275        609      1,439      1,567        975      1,901:       641       -285
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.0        1.0        2.9       89.7       83.6       95.5       87.4:       4.5       12.6
Old  :     100.0:       3.0        1.0        2.9       89.7       83.6       95.5       87.4:       4.5       12.6
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  :        42:         2          1          3         27         34         30         37:
Old  :        42:         2          1          3         27         34         30         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  :                 36.7       25.8       57.5       40.1       30.8       22.5       44.9       35.1
Old  :                 36.7       25.8       57.5       40.1       30.8       22.5       44.9       35.1
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   113,117:     3,976        746      4,681     88,991     96,286     97,648    101,713:    15,469     11,404
Old  :   113,117:     3,976        746      4,681     88,991     96,286     97,648    101,713:    15,469     11,404
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :     3,232:     1,200        608        233      2,558      2,056      3,991      2,897:      -759        335
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.5        0.7        4.1       78.7       85.1       86.3       89.9:      13.7       10.1
Old  :     100.0:       3.5        0.7        4.1       78.7       85.1       86.3       89.9:      13.7       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  :        29:         2          1          2         19         20         22         22:
Old  :        29:         2          1          2         19         20         22         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  :                 43.5       44.2       61.3       66.1       41.5       43.2       55.4       59.0
Old  :                 43.5       44.2       61.3       66.1       41.5       43.2       55.4       59.0
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    72,678:     6,873          0     10,591     49,236     50,165     66,700     60,756:     5,978     11,922
Old  :    72,678:     6,873          0     10,591     49,236     50,165     66,700     60,756:     5,978     11,922
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -5,000:    -4,405          0        961     -2,700     -4,431     -6,144     -3,470:     1,144     -1,530
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.5        0.0       14.6       67.7       69.0       91.8       83.6:       8.2       16.4
Old  :     100.0:       9.5        0.0       14.6       67.7       69.0       91.8       83.6:       8.2       16.4
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:         4          0          3         17         14         21         17:
Old  :        27:         4          0          3         17         14         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  :                 49.0       42.5       67.4       64.8       43.9       32.3       54.5       44.1
Old  :                 49.0       42.5       67.4       64.8       43.9       32.3       54.5       44.1
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    94,777:     7,627      5,405     16,057     63,936     63,102     87,620     84,564:     7,157     10,213
Old  :    94,777:     7,627      5,405     16,057     63,936     63,102     87,620     84,564:     7,157     10,213
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :     3,419:     4,623      4,165       -998       -232       -330      3,393      2,837:        26        582
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.0        5.7       16.9       67.5       66.6       92.4       89.2:       7.6       10.8
Old  :     100.0:       8.0        5.7       16.9       67.5       66.6       92.4       89.2:       7.6       10.8
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  :        22:         2          2          3         11         15         15         18:
Old  :        22:         2          2          3         11         15         15         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  :                 68.5       49.8       85.4       68.8       51.0       35.1       56.6       45.9
Old  :                 68.5       49.8       85.4       68.8       51.0       35.1       56.6       45.9
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    61,696:     1,819          0      4,058     45,503     44,363     51,380     48,421:    10,316     13,275
Old  :    61,696:     1,819          0      4,058     45,503     44,363     51,380     48,421:    10,316     13,275
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -5,347:       107       -545       -347     -6,279     -4,384     -6,519     -5,276:     1,172        -71
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.9        0.0        6.6       73.8       71.9       83.3       78.5:      16.7       21.5
Old  :     100.0:       2.9        0.0        6.6       73.8       71.9       83.3       78.5:      16.7       21.5
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  :        25:         2          0          1         20         18         22         19:
Old  :        25:         2          0          1         20         18         22         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  :                 33.8       39.7       53.3       61.4       23.1       35.4       33.9       41.2
Old  :                 33.8       39.7       53.3       61.4       23.1       35.4       33.9       41.2
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   131,180:    30,101      1,760      3,600     90,812    119,232    124,513    124,592:     6,667      6,588
Old  :   131,180:    30,101      1,760      3,600     90,812    119,232    124,513    124,592:     6,667      6,588
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :     3,142:     3,095       -404       -629        610      3,838      3,076      2,805:        66        337
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      22.9        1.3        2.7       69.2       90.9       94.9       95.0:       5.1        5.0
Old  :     100.0:      22.9        1.3        2.7       69.2       90.9       94.9       95.0:       5.1        5.0
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  :        46:         4          1          4         29         32         34         36:
Old  :        46:         4          1          4         29         32         34         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  :                 39.3       37.5       54.9       53.6       35.7       36.1       50.7       51.7
Old  :                 39.3       37.5       54.9       53.6       35.7       36.1       50.7       51.7
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   119,715:     2,411     22,549     17,083     81,238     71,044    100,732    110,676:    18,983      9,039
Old  :   119,715:     2,411     22,549     17,083     81,238     71,044    100,732    110,676:    18,983      9,039
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -6,786:      -178      1,457     -1,350     -4,382     -7,408     -5,910     -7,301:      -876        515
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.0       18.8       14.3       67.9       59.3       84.1       92.4:      15.9        7.6
Old  :     100.0:       2.0       18.8       14.3       67.9       59.3       84.1       92.4:      15.9        7.6
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  :        35:         1          6          5         26         25         31         32:
Old  :        35:         1          6          5         26         25         31         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  :                 33.5       29.8       51.1       50.0       22.3       24.0       33.7       36.3
Old  :                 33.5       29.8       51.1       50.0       22.3       24.0       33.7       36.3
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   101,551:    16,312          0      9,449     64,438     77,611     90,199     87,060:    11,352     14,491
Old  :   101,551:    16,312          0      9,449     64,438     77,611     90,199     87,060:    11,352     14,491
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -1,234:     1,744          0      1,078     -4,300     -3,077     -1,478     -1,999:       244        765
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      16.1        0.0        9.3       63.5       76.4       88.8       85.7:      11.2       14.3
Old  :     100.0:      16.1        0.0        9.3       63.5       76.4       88.8       85.7:      11.2       14.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        23:         4          0          3         18         16         22         19:
Old  :        23:         4          0          3         18         16         22         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  :                 47.4       46.4       72.7       65.6       41.8       42.0       58.3       55.5
Old  :                 47.4       46.4       72.7       65.6       41.8       42.0       58.3       55.5
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   236,867:    14,446      5,146      5,279    202,272    211,496    221,997    221,921:    14,870     14,946
Old  :   236,867:    14,446      5,146      5,279    202,272    211,496    221,997    221,921:    14,870     14,946
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :   -11,024:    -2,319       -830       -542    -10,438    -10,617    -13,299    -11,989:     2,275        965
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.1        2.2        2.2       85.4       89.3       93.7       93.7:       6.3        6.3
Old  :     100.0:       6.1        2.2        2.2       85.4       89.3       93.7       93.7:       6.3        6.3
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  :        54:         4          4          7         41         38         48         46:
Old  :        54:         4          4          7         41         38         48         46:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 29.9       53.8       49.8       64.8       27.1       52.9       43.5       59.8
Old  :                 29.9       53.8       49.8       64.8       27.1       52.9       43.5       59.8
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   225,770:    19,417          0     14,546    177,708    197,107    211,671    211,653:    14,099     14,117
Old  :   225,770:    19,417          0     14,546    177,708    197,107    211,671    211,653:    14,099     14,117
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -7,836:    -2,437          0       -310     -1,000     -8,027     -3,747     -8,337:    -4,089        501
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.6        0.0        6.4       78.7       87.3       93.8       93.7:       6.2        6.3
Old  :     100.0:       8.6        0.0        6.4       78.7       87.3       93.8       93.7:       6.2        6.3
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  :        44:         5          0          2         36         33         41         35:
Old  :        44:         5          0          2         36         33         41         35:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 29.8       37.2       52.5       61.0       22.9       34.7       35.9       48.0
Old  :                 29.8       37.2       52.5       61.0       22.9       34.7       35.9       48.0
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   232,954:    11,255      9,012     11,370    198,148    197,818    220,773    218,200:    12,181     14,754
Old  :   232,954:    11,255      9,012     11,370    198,148    197,818    220,773    218,200:    12,181     14,754
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :   -14,908:    -3,343        247     -2,629     -8,700    -13,222    -14,672    -15,604:      -236        696
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.8        3.9        4.9       85.1       84.9       94.8       93.7:       5.2        6.3
Old  :     100.0:       4.8        3.9        4.9       85.1       84.9       94.8       93.7:       5.2        6.3
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  :        51:         4          3          4         43         36         49         41:
Old  :        51:         4          3          4         43         36         49         41:
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  :                 36.3       34.4       53.1       54.0       36.3       25.1       47.3       40.0
Old  :                 36.3       34.4       53.1       54.0       36.3       25.1       47.3       40.0
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    50,053:         0      2,736      2,103     38,690     33,243     40,793     38,082:     9,260     11,971
Old  :    50,053:         0      2,736      2,103     38,690     33,243     40,793     38,082:     9,260     11,971
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -4,178:         0       -766        -93     -3,207     -5,179     -3,300     -6,038:      -878      1,860
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        5.5        4.2       77.3       66.4       81.5       76.1:      18.5       23.9
Old  :     100.0:       0.0        5.5        4.2       77.3       66.4       81.5       76.1:      18.5       23.9
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  :        20:         0          1          1         17         13         18         14:
Old  :        20:         0          1          1         17         13         18         14:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 36.5       36.9       59.0       61.9       28.7       30.9       43.4       45.9
Old  :                 36.5       36.9       59.0       61.9       28.7       30.9       43.4       45.9
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   202,985:    31,362      3,006     15,442    143,548    172,681    190,352    191,129:    12,633     11,856
Old  :   202,985:    31,362      3,006     15,442    143,548    172,681    190,352    191,129:    12,633     11,856
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :   -11,927:     1,930        632     -2,347     -7,621     -8,593     -8,038    -10,308:    -3,889     -1,619
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      15.5        1.5        7.6       70.7       85.1       93.8       94.2:       6.2        5.8
Old  :     100.0:      15.5        1.5        7.6       70.7       85.1       93.8       94.2:       6.2        5.8
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  :        44:         5          2          5         37         36         43         42:
Old  :        44:         5          2          5         37         36         43         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  :                 32.9       28.1       52.6       43.9       24.1       21.3       35.2       30.4
Old  :                 32.9       28.1       52.6       43.9       24.1       21.3       35.2       30.4
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    70,450:     4,455      7,658        859     53,985     49,120     59,299     57,637:    11,151     12,813
Old  :    70,450:     4,455      7,658        859     53,985     49,120     59,299     57,637:    11,151     12,813
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -5,883:      -540       -172        -62     -6,595     -7,196     -7,197     -7,430:     1,314      1,547
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.3       10.9        1.2       76.6       69.7       84.2       81.8:      15.8       18.2
Old  :     100.0:       6.3       10.9        1.2       76.6       69.7       84.2       81.8:      15.8       18.2
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  :        27:         1          2          1         20         19         22         21:
Old  :        27:         1          2          1         20         19         22         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  :                 33.5       36.8       59.0       58.6       26.4       30.6       44.1       46.6
Old  :                 33.5       36.8       59.0       58.6       26.4       30.6       44.1       46.6
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  : 3,125,204:   955,407    119,221    949,648  1,179,278  2,043,739  3,084,333  3,112,608:    40,871     12,596
Old  : 3,125,204:   955,407    119,221    949,648  1,179,278  2,043,739  3,084,333  3,112,608:    40,871     12,596
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :  -186,559:   -85,149   -113,826     -7,677   -101,839    -65,359   -194,665   -186,862:     8,106        303
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      30.6        3.8       30.4       37.7       65.4       98.7       99.6:       1.3        0.4
Old  :     100.0:      30.6        3.8       30.4       37.7       65.4       98.7       99.6:       1.3        0.4
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  :       152:        32         20         42         93         89        142        136:
Old  :       152:        32         20         42         93         89        142        136:
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  :                 37.1       35.5       50.7       51.1       25.1       21.0       29.2       28.2
Old  :                 37.1       35.5       50.7       51.1       25.1       21.0       29.2       28.2
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  : 1,065,335:   131,503    338,154    215,308    712,082    509,067  1,058,893  1,062,529:     6,442      2,806
Old  : 1,065,335:   131,503    338,154    215,308    712,082    509,067  1,058,893  1,062,529:     6,442      2,806
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :   -98,603:   -16,604    -76,320     -7,688    -76,320    -14,648   -100,612    -98,656:     2,009         53
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      12.3       31.7       20.2       66.8       47.8       99.4       99.7:       0.6        0.3
Old  :     100.0:      12.3       31.7       20.2       66.8       47.8       99.4       99.7:       0.6        0.3
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  :        81:        18         21         32         41         39         77         74:
Old  :        81:        18         21         32         41         39         77         74:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 43.6       46.1       64.2       65.9       36.1       36.6       46.4       46.5
Old  :                 43.6       46.1       64.2       65.9       36.1       36.6       46.4       46.5
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    29,390:     1,709        475        244     27,292     28,295     29,245     29,014:       145        376
Old  :    29,390:     1,709        475        244     27,292     28,295     29,245     29,014:       145        376
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -2,737:      -191          6        -26     -2,558     -2,813     -2,775     -2,833:        38         96
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.8        1.6        0.8       92.9       96.3       99.5       98.7:       0.5        1.3
Old  :     100.0:       5.8        1.6        0.8       92.9       96.3       99.5       98.7:       0.5        1.3
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  :        39:         2          3          2         28         26         31         31:
Old  :        39:         2          3          2         28         26         31         31:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 49.8       45.6       74.0       67.5       42.5       42.7       57.2       55.6
Old  :                 49.8       45.6       74.0       67.5       42.5       42.7       57.2       55.6
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    15,134:     4,064          0        319     10,508     14,531     14,891     14,850:       243        284
Old  :    15,134:     4,064          0        319     10,508     14,531     14,891     14,850:       243        284
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -1,097:       -78        -40          0       -916     -1,041       -994     -1,081:      -103        -16
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      26.9        0.0        2.1       69.4       96.0       98.4       98.1:       1.6        1.9
Old  :     100.0:      26.9        0.0        2.1       69.4       96.0       98.4       98.1:       1.6        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  :        27:         3          0          2         17         19         20         21:
Old  :        27:         3          0          2         17         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  :                 62.2       73.5       87.7       89.6       44.0       49.6       60.0       59.9
Old  :                 62.2       73.5       87.7       89.6       44.0       49.6       60.0       59.9
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    25,408:       842        480      1,190     20,584     22,298     22,616     23,968:     2,792      1,440
Old  :    25,408:       842        480      1,190     20,584     22,298     22,616     23,968:     2,792      1,440
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -1,062:       -38          0         -2       -806     -1,084       -846     -1,086:      -216         24
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.3        1.9        4.7       81.0       87.8       89.0       94.3:      11.0        5.7
Old  :     100.0:       3.3        1.9        4.7       81.0       87.8       89.0       94.3:      11.0        5.7
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  :        25:         2          1          2         18         16         21         18:
Old  :        25:         2          1          2         18         16         21         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  :                 49.2       52.6       68.7       76.9       32.5       44.7       46.3       52.4
Old  :                 49.2       52.6       68.7       76.9       32.5       44.7       46.3       52.4
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    25,488:     1,090          0        720     23,084     23,894     24,894     24,614:       594        874
Old  :    25,488:     1,090          0        720     23,084     23,894     24,894     24,614:       594        874
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :      -238:       -10          0        -80       -128       -224       -218       -304:       -20         66
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.3        0.0        2.8       90.6       93.7       97.7       96.6:       2.3        3.4
Old  :     100.0:       4.3        0.0        2.8       90.6       93.7       97.7       96.6:       2.3        3.4
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:         1          0          1         21         22         23         23:
Old  :        27:         1          0          1         21         22         23         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  :                 54.2       69.1       71.6       82.5       53.2       61.8       68.1       72.7
Old  :                 54.2       69.1       71.6       82.5       53.2       61.8       68.1       72.7
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  : 1,381,645:   225,434    187,730    385,500    705,007    735,800  1,315,941  1,309,030:    65,704     72,615
Old  : 1,381,645:   225,434    187,730    385,500    705,007    735,800  1,315,941  1,309,030:    65,704     72,615
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    18,978:      -947      6,312     17,957      4,028     -8,407     21,038     15,862:    -2,060      3,116
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      16.3       13.6       27.9       51.0       53.3       95.2       94.7:       4.8        5.3
Old  :     100.0:      16.3       13.6       27.9       51.0       53.3       95.2       94.7:       4.8        5.3
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  :       316:        91        106        126         85        101        256        264:
Old  :       316:        91        106        126         85        101        256        264:
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  :                 27.1       25.1       39.1       35.2       12.4        7.9       19.0       13.6
Old  :                 27.1       25.1       39.1       35.2       12.4        7.9       19.0       13.6
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   120,106:    17,828     16,956      5,631     69,871     44,451     93,330     67,038:    26,776     53,068
Old  :   120,106:    17,828     16,956      5,631     69,871     44,451     93,330     67,038:    26,776     53,068
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :    -4,192:    -1,634     -2,385       -172     -1,033     -7,714     -2,839    -10,271:    -1,353      6,079
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      14.8       14.1        4.7       58.2       37.0       77.7       55.8:      22.3       44.2
Old  :     100.0:      14.8       14.1        4.7       58.2       37.0       77.7       55.8:      22.3       44.2
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:         3          2          3         16         14         19         19:
Old  :        21:         3          2          3         16         14         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  :                 46.1       26.0       64.3       42.3       39.2       24.8       52.3       35.6
Old  :                 46.1       26.0       64.3       42.3       39.2       24.8       52.3       35.6
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    19,136:       150        815        100     18,886     18,221     19,136     19,136:         0          0
Old  :    19,136:       150        815        100     18,886     18,221     19,136     19,136:         0          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :      -961:       150       -644          0     -1,111       -317       -961       -961:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.8        4.3        0.5       98.7       95.2      100.0      100.0:       0.0        0.0
Old  :     100.0:       0.8        4.3        0.5       98.7       95.2      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  :        37:         1          3          1         23         26         25         30:
Old  :        37:         1          3          1         23         26         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  :                 50.2       43.1       76.1       65.1       31.5       27.0       38.9       34.9
Old  :                 50.2       43.1       76.1       65.1       31.5       27.0       38.9       34.9
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   185,374:    31,223     33,952     45,743     95,505     97,703    172,471    177,398:    12,903      7,976
Old  :   185,374:    31,223     33,952     45,743     95,505     97,703    172,471    177,398:    12,903      7,976
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :     3,322:     1,039     -1,184        813      2,669      3,310      4,521      2,939:    -1,199        383
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      16.8       18.3       24.7       51.5       52.7       93.0       95.7:       7.0        4.3
Old  :     100.0:      16.8       18.3       24.7       51.5       52.7       93.0       95.7:       7.0        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  :        51:        11         15         22         25         25         49         49:
Old  :        51:        11         15         22         25         25         49         49:
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       34.1       56.1       52.2       21.6       16.9       27.0       24.7
Old  :                 37.9       34.1       56.1       52.2       21.6       16.9       27.0       24.7
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    19,649:    12,001      2,462        123      5,030     16,660     17,154     19,245:     2,495        404
Old  :    19,649:    12,001      2,462        123      5,030     16,660     17,154     19,245:     2,495        404
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :      -539:      -708         72          2        356       -567       -350       -493:      -189        -46
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      61.1       12.5        0.6       25.6       84.8       87.3       97.9:      12.7        2.1
Old  :     100.0:      61.1       12.5        0.6       25.6       84.8       87.3       97.9:      12.7        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  :       101:        47         16          4         11         29         60         47:
Old  :       101:        47         16          4         11         29         60         47:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 32.7       40.9       51.9       64.0       32.7       40.9       51.9       63.2
Old  :                 32.7       40.9       51.9       64.0       32.7       40.9       51.9       63.2
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    12,018:     7,281      1,678        175      1,912      9,140      9,368     10,993:     2,650      1,025
Old  :    12,018:     7,281      1,678        175      1,912      9,140      9,368     10,993:     2,650      1,025
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :       605:       918        112        156         97        320      1,171        588:      -566         17
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      60.6       14.0        1.5       15.9       76.1       77.9       91.5:      22.1        8.5
Old  :     100.0:      60.6       14.0        1.5       15.9       76.1       77.9       91.5:      22.1        8.5
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  :        69:        28         10          3         16         24         46         35:
Old  :        69:        28         10          3         16         24         46         35:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 24.0       50.1       39.2       64.5       24.0       50.1       38.1       62.6
Old  :                 24.0       50.1       39.2       64.5       24.0       50.1       38.1       62.6
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :   228,865:    56,990     13,029     20,114    129,369    182,215    206,473    215,358:    22,392     13,507
Old  :   228,865:    56,990     13,029     20,114    129,369    182,215    206,473    215,358:    22,392     13,507
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :   -14,602:     3,025        494       -996    -16,773    -13,604    -14,744    -14,106:       142       -496
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      24.9        5.7        8.8       56.5       79.6       90.2       94.1:       9.8        5.9
Old  :     100.0:      24.9        5.7        8.8       56.5       79.6       90.2       94.1:       9.8        5.9
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  :       182:        66         19         34         74         85        153        128:
Old  :       182:        66         19         34         74         85        153        128:
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  :                 27.8       31.1       38.3       46.1       11.4       16.2       18.2       23.8
Old  :                 27.8       31.1       38.3       46.1       11.4       16.2       18.2       23.8
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :     3,220:       100          0        200      2,835      2,835      3,135      3,035:        85        185
Old  :     3,220:       100          0        200      2,835      2,835      3,135      3,035:        85        185
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :         .:         .          .          .          .          .          .          .:         .          .
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.1        0.0        6.2       88.0       88.0       97.4       94.3:       2.6        5.7
Old  :     100.0:       3.1        0.0        6.2       88.0       88.0       97.4       94.3:       2.6        5.7
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  :        20:         1          0          1         14         14         15         15:
Old  :        20:         1          0          1         14         14         15         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  :                 52.8       57.5       76.1       78.7       37.3       38.8       49.7       48.1
Old  :                 52.8       57.5       76.1       78.7       37.3       38.8       49.7       48.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                  UP DOWN GC ULSD VS HO SPR SWAP - NEW YORK MERCANTILE EXCHANGE                         Code-022A13
Commitments of Traders - Futures Only, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          :                 (CONTRACTS OF 42,000 GALLONS)                              :
     :          :                                                                            :
All  :    14,527:       750        311      1,136     12,367     12,662     14,253     14,109:       274        418
Old  :    14,527:       750        311      1,136     12,367     12,662     14,253     14,109:       274        418
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :       627:      -839        311        120      1,396        216        677        647:       -50        -20
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.2        2.1        7.8       85.1       87.2       98.1       97.1:       1.9        2.9
Old  :     100.0:       5.2        2.1        7.8       85.1       87.2       98.1       97.1:       1.9        2.9
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:         1          1          2         20         25         22         27:
Old  :        32:         1          1          2         20         25         22         27:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 43.8       43.6       71.8       68.4       34.9       33.8       48.9       44.9
Old  :                 43.8       43.6       71.8       68.4       34.9       33.8       48.9       44.9
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, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :     5,895:         0        375        950      4,945      4,520      5,895      5,845:         0         50
Old  :     5,895:         0        375        950      4,945      4,520      5,895      5,845:         0         50
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :       475:      -125        375        100        500          0        475        475:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        6.4       16.1       83.9       76.7      100.0       99.2:       0.0        0.8
Old  :     100.0:       0.0        6.4       16.1       83.9       76.7      100.0       99.2:       0.0        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  :        28:         0          1          1         21         15         22         16:
Old  :        28:         0          1          1         21         15         22         16:
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  :                 45.9       69.0       66.2       87.7       29.3       42.9       46.3       59.5
Old  :                 45.9       69.0       66.2       87.7       29.3       42.9       46.3       59.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
                      GASOIL CRACK SPR SWAP - NEW YORK MERCANTILE EXCHANGE                              Code-86765C
Commitments of Traders - Futures Only, April 1, 2008                   
-------------------------------------------------------------------------------------------------------------------
     :   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  :    11,625:     2,682        450        150      6,717      6,551      9,549      7,151:     2,076      4,474
Old  :    11,625:     2,682        450        150      6,717      6,551      9,549      7,151:     2,076      4,474
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 25, 2008                       :
     :        67:       243          0          0       -197       -202         46       -202:        21        269
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      23.1        3.9        1.3       57.8       56.4       82.1       61.5:      17.9       38.5
Old  :     100.0:      23.1        3.9        1.3       57.8       56.4       82.1       61.5:      17.9       38.5
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  :        28:         5          1          1         17         15         22         17:
Old  :        28:         5          1          1         17         15         22         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  :                 43.1       29.2       62.6       44.3       35.4       26.6       52.1       37.7
Old  :                 43.1       29.2       62.6       44.3       35.4       26.6       52.1       37.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated August 12, 2008