GULF # 6 FUEL 3.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE                                           Code-02165A
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 1,000 BARRELS)                                               :
     :          :                                                                            :
All  :     7,335:       750          0        225      5,160      6,690      6,135      6,915:     1,200        420
Old  :     7,335:       750          0        225      5,160      6,690      6,135      6,915:     1,200        420
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     1,125:       125       -159        -50      1,025      1,425      1,100      1,216:        25        -91
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.2        0.0        3.1       70.3       91.2       83.6       94.3:      16.4        5.7
Old  :     100.0:      10.2        0.0        3.1       70.3       91.2       83.6       94.3:      16.4        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         16         15         17         16:
Old  :        20:         1          0          1         16         15         17         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  :                 63.1       66.5       76.1       84.2       23.4       34.9       27.7       38.7
Old  :                 63.1       66.5       76.1       84.2       23.4       34.9       27.7       38.7
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 1,000 BARRELS)                                               :
     :          :                                                                            :
All  :    14,652:       325      7,078         21     13,841      5,939     14,187     13,038:       465      1,614
Old  :    14,652:       325      7,078         21     13,841      5,939     14,187     13,038:       465      1,614
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :       375:       175        -25          0        200        400        375        375:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.2       48.3        0.1       94.5       40.5       96.8       89.0:       3.2       11.0
Old  :     100.0:       2.2       48.3        0.1       94.5       40.5       96.8       89.0:       3.2       11.0
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  :        35:         2          3          1         24         26         27         29:
Old  :        35:         2          3          1         24         26         27         29:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 61.7       66.4       77.4       75.9       60.6       60.0       69.4       64.0
Old  :                 61.7       66.4       77.4       75.9       60.6       60.0       69.4       64.0
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 1,000 METRIC TONS)                                           :
     :          :                                                                            :
All  :     2,686:         0         45         25      2,122      2,089      2,147      2,159:       539        527
Old  :     2,686:         0         45         25      2,122      2,089      2,147      2,159:       539        527
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :       225:         0         10         25        156        141        181        176:        44         49
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        1.7        0.9       79.0       77.8       79.9       80.4:      20.1       19.6
Old  :     100.0:       0.0        1.7        0.9       79.0       77.8       79.9       80.4:      20.1       19.6
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  :        28:         0          1          1         23         23         24         24:
Old  :        28:         0          1          1         23         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  :                 28.1       30.7       43.9       49.0       17.8       27.4       29.2       40.4
Old  :                 28.1       30.7       43.9       49.0       17.8       27.4       29.2       40.4
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 42,000 U.S. GALLONS)                                         :
     :          :                                                                            :
All  :   222,473:    34,940     21,602     31,311    122,533    140,268    188,784    193,181:    33,688     29,291
Old  :   222,473:    34,940     21,602     31,311    122,533    140,268    188,784    193,181:    33,688     29,291
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :      -354:     1,536        184      1,475     -4,471     -2,630     -1,460       -971:     1,106        617
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      15.7        9.7       14.1       55.1       63.0       84.9       86.8:      15.1       13.2
Old  :     100.0:      15.7        9.7       14.1       55.1       63.0       84.9       86.8:      15.1       13.2
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  :       143:        36         30         29         65         72        119        114:
Old  :       143:        36         30         29         65         72        119        114:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 21.6       24.4       31.5       33.8       16.8       16.0       24.6       22.7
Old  :                 21.6       24.4       31.5       33.8       16.8       16.0       24.6       22.7
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (10,000 MMBTU'S)                                                           :
     :          :                                                                            :
All  : 1,279,934:    82,739    147,114    513,381    604,196    578,302  1,200,316  1,238,797:    79,618     41,137
Old  : 1,279,934:    82,739    147,114    513,381    604,196    578,302  1,200,316  1,238,797:    79,618     41,137
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :    18,218:    12,698     27,711     -3,223      2,577     -8,850     12,052     15,638:     6,166      2,579
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.5       11.5       40.1       47.2       45.2       93.8       96.8:       6.2        3.2
Old  :     100.0:       6.5       11.5       40.1       47.2       45.2       93.8       96.8:       6.2        3.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       230:        74         63         87         85         83        209        187:
Old  :       230:        74         63         87         85         83        209        187:
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       39.8       51.7       54.2        7.3        7.2       10.4       10.8
Old  :                 39.3       39.8       51.7       54.2        7.3        7.2       10.4       10.8
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    91,262:     2,755     15,291      3,051     74,738     62,442     80,544     80,784:    10,718     10,478
Old  :    91,262:     2,755     15,291      3,051     74,738     62,442     80,544     80,784:    10,718     10,478
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :        43:      -729        623         55      1,085       -635        411         43:      -368          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.0       16.8        3.3       81.9       68.4       88.3       88.5:      11.7       11.5
Old  :     100.0:       3.0       16.8        3.3       81.9       68.4       88.3       88.5:      11.7       11.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        26:         1          3          2         18         17         20         21:
Old  :        26:         1          3          2         18         17         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  :                 48.2       42.7       69.4       61.0       45.4       41.2       59.1       56.3
Old  :                 48.2       42.7       69.4       61.0       45.4       41.2       59.1       56.3
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    55,898:     1,003      1,096      2,855     43,126     42,475     46,984     46,426:     8,914      9,472
Old  :    55,898:     1,003      1,096      2,855     43,126     42,475     46,984     46,426:     8,914      9,472
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     2,563:       548          0        425        918      2,746      1,891      3,171:       672       -608
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.8        2.0        5.1       77.2       76.0       84.1       83.1:      15.9       16.9
Old  :     100.0:       1.8        2.0        5.1       77.2       76.0       84.1       83.1:      15.9       16.9
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  :        29:         1          1          2         23         19         25         21:
Old  :        29:         1          1          2         23         19         25         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  :                 34.3       41.3       53.9       57.6       28.3       36.2       42.3       48.2
Old  :                 34.3       41.3       53.9       57.6       28.3       36.2       42.3       48.2
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :   122,264:     8,078      3,696      8,554     95,405    102,517    112,037    114,767:    10,227      7,497
Old  :   122,264:     8,078      3,696      8,554     95,405    102,517    112,037    114,767:    10,227      7,497
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     1,338:       536         -2        436        974      1,206      1,946      1,640:      -608       -302
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.6        3.0        7.0       78.0       83.8       91.6       93.9:       8.4        6.1
Old  :     100.0:       6.6        3.0        7.0       78.0       83.8       91.6       93.9:       8.4        6.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        35:         3          1          4         21         25         25         29:
Old  :        35:         3          1          4         21         25         25         29:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 48.4       49.2       67.0       67.8       46.2       46.1       62.3       59.8
Old  :                 48.4       49.2       67.0       67.8       46.2       46.1       62.3       59.8
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    79,767:    26,431     12,092        796     42,320     55,034     69,547     67,922:    10,220     11,845
Old  :    79,767:    26,431     12,092        796     42,320     55,034     69,547     67,922:    10,220     11,845
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :        34:         0        958        368       -458     -3,176        -90     -1,850:       124      1,884
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      33.1       15.2        1.0       53.1       69.0       87.2       85.2:      12.8       14.8
Old  :     100.0:      33.1       15.2        1.0       53.1       69.0       87.2       85.2:      12.8       14.8
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  :        24:         2          3          2         16         13         20         16:
Old  :        24:         2          3          2         16         13         20         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  :                 48.7       58.2       67.7       74.5       45.6       54.5       63.9       68.6
Old  :                 48.7       58.2       67.7       74.5       45.6       54.5       63.9       68.6
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    75,134:     2,425      3,378      4,933     63,836     59,490     71,194     67,801:     3,940      7,333
Old  :    75,134:     2,425      3,378      4,933     63,836     59,490     71,194     67,801:     3,940      7,333
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     2,042:     1,290       -308         52        790      1,964      2,132      1,708:       -90        334
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.2        4.5        6.6       85.0       79.2       94.8       90.2:       5.2        9.8
Old  :     100.0:       3.2        4.5        6.6       85.0       79.2       94.8       90.2:       5.2        9.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        27:         1          3          3         17         18         20         22:
Old  :        27:         1          3          3         17         18         20         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  :                 59.1       43.1       77.4       63.2       51.0       41.3       63.3       57.0
Old  :                 59.1       43.1       77.4       63.2       51.0       41.3       63.3       57.0
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    66,882:     6,077          0      2,331     53,372     57,399     61,780     59,730:     5,102      7,152
Old  :    66,882:     6,077          0      2,331     53,372     57,399     61,780     59,730:     5,102      7,152
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     1,496:        94          0        448      1,260      1,160      1,802      1,608:      -306       -112
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.1        0.0        3.5       79.8       85.8       92.4       89.3:       7.6       10.7
Old  :     100.0:       9.1        0.0        3.5       79.8       85.8       92.4       89.3:       7.6       10.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        28:         2          0          2         18         20         20         22:
Old  :        28:         2          0          2         18         20         20         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  :                 64.8       38.8       78.9       61.4       60.7       37.8       68.6       53.9
Old  :                 64.8       38.8       78.9       61.4       60.7       37.8       68.6       53.9
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    86,556:     2,576        976      6,407     67,113     69,034     76,096     76,417:    10,460     10,139
Old  :    86,556:     2,576        976      6,407     67,113     69,034     76,096     76,417:    10,460     10,139
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     1,386:         0       -326        391      1,299        925      1,690        990:      -304        396
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.0        1.1        7.4       77.5       79.8       87.9       88.3:      12.1       11.7
Old  :     100.0:       3.0        1.1        7.4       77.5       79.8       87.9       88.3:      12.1       11.7
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  :        33:         1          4          4         19         25         24         29:
Old  :        33:         1          4          4         19         25         24         29:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 43.2       28.9       67.6       47.7       31.1       21.1       46.0       35.0
Old  :                 43.2       28.9       67.6       47.7       31.1       21.1       46.0       35.0
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    85,486:         0      6,887      2,831     69,153     64,904     71,984     74,622:    13,502     10,864
Old  :    85,486:         0      6,887      2,831     69,153     64,904     71,984     74,622:    13,502     10,864
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :       843:         0      1,264         62        657       -698        719        628:       124        215
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        8.1        3.3       80.9       75.9       84.2       87.3:      15.8       12.7
Old  :     100.0:       0.0        8.1        3.3       80.9       75.9       84.2       87.3:      15.8       12.7
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  :        27:         0          2          2         19         17         21         19:
Old  :        27:         0          2          2         19         17         21         19:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 42.4       43.0       61.9       64.4       39.6       40.8       55.4       59.8
Old  :                 42.4       43.0       61.9       64.4       39.6       40.8       55.4       59.8
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    57,130:     5,012      1,519      2,003     41,558     42,485     48,573     46,007:     8,557     11,123
Old  :    57,130:     5,012      1,519      2,003     41,558     42,485     48,573     46,007:     8,557     11,123
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :       166:       676       -358     -1,042       -540     -1,122       -906     -2,522:     1,072      2,688
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.8        2.7        3.5       72.7       74.4       85.0       80.5:      15.0       19.5
Old  :     100.0:       8.8        2.7        3.5       72.7       74.4       85.0       80.5:      15.0       19.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        26:         2          2          3         21         17         25         20:
Old  :        26:         2          2          3         21         17         25         20:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 40.7       31.1       60.7       50.0       33.8       23.5       45.3       35.2
Old  :                 40.7       31.1       60.7       50.0       33.8       23.5       45.3       35.2
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :   116,588:     6,922     11,398      6,203     94,067     80,577    107,192     98,178:     9,396     18,410
Old  :   116,588:     6,922     11,398      6,203     94,067     80,577    107,192     98,178:     9,396     18,410
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     2,452:       -14      1,400       -141      2,266       -761      2,111        498:       341      1,954
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.9        9.8        5.3       80.7       69.1       91.9       84.2:       8.1       15.8
Old  :     100.0:       5.9        9.8        5.3       80.7       69.1       91.9       84.2:       8.1       15.8
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  :        35:         3          3          3         22         21         26         26:
Old  :        35:         3          3          3         22         21         26         26:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 40.7       32.0       61.2       50.1       35.3       27.4       52.7       43.0
Old  :                 40.7       32.0       61.2       50.1       35.3       27.4       52.7       43.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CIG BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                                           Code-02365P
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    61,099:         0      8,050      1,453     44,454     41,237     45,907     50,740:    15,192     10,359
Old  :    61,099:         0      8,050      1,453     44,454     41,237     45,907     50,740:    15,192     10,359
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     1,280:         0       -800        288      1,436       -817      1,724     -1,329:      -444      2,609
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0       13.2        2.4       72.8       67.5       75.1       83.0:      24.9       17.0
Old  :     100.0:       0.0       13.2        2.4       72.8       67.5       75.1       83.0:      24.9       17.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        24:         0          2          2         16         15         18         17:
Old  :        24:         0          2          2         16         15         18         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  :                 41.9       48.5       59.7       71.2       40.3       46.3       57.4       67.9
Old  :                 41.9       48.5       59.7       71.2       40.3       46.3       57.4       67.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ALBERTA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                                       Code-035650
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :   171,814:     5,937     24,830     12,269    141,793    128,417    159,999    165,516:    11,815      6,298
Old  :   171,814:     5,937     24,830     12,269    141,793    128,417    159,999    165,516:    11,815      6,298
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     2,512:       908      4,221       -494      2,278     -1,275      2,692      2,452:      -180         60
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.5       14.5        7.1       82.5       74.7       93.1       96.3:       6.9        3.7
Old  :     100.0:       3.5       14.5        7.1       82.5       74.7       93.1       96.3:       6.9        3.7
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  :        49:         4          6          7         36         33         44         42:
Old  :        49:         4          6          7         36         33         44         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  :                 35.7       35.7       52.0       54.6       34.6       32.1       42.8       42.7
Old  :                 35.7       35.7       52.0       54.6       34.6       32.1       42.8       42.7
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    86,574:     2,027      8,745      4,023     72,234     59,812     78,284     72,580:     8,290     13,994
Old  :    86,574:     2,027      8,745      4,023     72,234     59,812     78,284     72,580:     8,290     13,994
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     3,420:       887      1,606        294      2,239      1,520      3,420      3,420:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.3       10.1        4.6       83.4       69.1       90.4       83.8:       9.6       16.2
Old  :     100.0:       2.3       10.1        4.6       83.4       69.1       90.4       83.8:       9.6       16.2
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:         3          2          3         17         14         20         19:
Old  :        27:         3          2          3         17         14         20         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  :                 50.0       45.3       68.6       64.6       48.4       42.5       61.9       57.9
Old  :                 50.0       45.3       68.6       64.6       48.4       42.5       61.9       57.9
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :   280,459:    13,022      1,158      8,718    243,857    257,151    265,597    267,027:    14,862     13,432
Old  :   280,459:    13,022      1,158      8,718    243,857    257,151    265,597    267,027:    14,862     13,432
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     1,013:      -716         62        711      1,168         64      1,163        837:      -150        176
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.6        0.4        3.1       86.9       91.7       94.7       95.2:       5.3        4.8
Old  :     100.0:       4.6        0.4        3.1       86.9       91.7       94.7       95.2:       5.3        4.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        52:         3          4          5         37         39         42         46:
Old  :        52:         3          4          5         37         39         42         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  :                 40.5       51.0       58.9       63.9       38.2       45.5       52.7       56.5
Old  :                 40.5       51.0       58.9       63.9       38.2       45.5       52.7       56.5
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :   175,510:    10,952      9,900     15,986    132,654    144,357    159,592    170,243:    15,918      5,267
Old  :   175,510:    10,952      9,900     15,986    132,654    144,357    159,592    170,243:    15,918      5,267
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     5,069:     2,477     -1,045       -214      4,297      6,238      6,560      4,979:    -1,491         90
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.2        5.6        9.1       75.6       82.3       90.9       97.0:       9.1        3.0
Old  :     100.0:       6.2        5.6        9.1       75.6       82.3       90.9       97.0:       9.1        3.0
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  :        44:         3          2          5         34         31         39         36:
Old  :        44:         3          2          5         34         31         39         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  :                 32.5       40.3       50.1       60.8       26.6       30.8       39.6       44.8
Old  :                 32.5       40.3       50.1       60.8       26.6       30.8       39.6       44.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                                     Code-035655
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :   177,094:     9,069      3,276      9,821    134,190    146,892    153,080    159,989:    24,014     17,105
Old  :   177,094:     9,069      3,276      9,821    134,190    146,892    153,080    159,989:    24,014     17,105
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     4,728:    -1,095     -1,912        121      4,841      4,852      3,867      3,061:       861      1,667
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.1        1.8        5.5       75.8       82.9       86.4       90.3:      13.6        9.7
Old  :     100.0:       5.1        1.8        5.5       75.8       82.9       86.4       90.3:      13.6        9.7
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  :        40:         5          1          3         26         30         31         34:
Old  :        40:         5          1          3         26         30         31         34:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 35.3       46.3       52.4       62.9       33.1       45.4       48.6       55.8
Old  :                 35.3       46.3       52.4       62.9       33.1       45.4       48.6       55.8
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    49,762:         0      5,102      1,873     37,172     32,716     39,045     39,691:    10,717     10,071
Old  :    49,762:         0      5,102      1,873     37,172     32,716     39,045     39,691:    10,717     10,071
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     1,477:         0      2,656       -450      1,927       -913      1,477      1,293:         0        184
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0       10.3        3.8       74.7       65.7       78.5       79.8:      21.5       20.2
Old  :     100.0:       0.0       10.3        3.8       74.7       65.7       78.5       79.8:      21.5       20.2
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  :        22:         0          1          1         16         16         17         17:
Old  :        22:         0          1          1         16         16         17         17:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 43.0       38.7       63.2       61.0       41.6       33.4       57.4       54.1
Old  :                 43.0       38.7       63.2       61.0       41.6       33.4       57.4       54.1
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :   248,594:    26,415      7,052     20,394    188,295    205,094    235,104    232,540:    13,490     16,054
Old  :   248,594:    26,415      7,052     20,394    188,295    205,094    235,104    232,540:    13,490     16,054
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     4,778:         9      1,060      2,040      3,826      2,747      5,875      5,847:    -1,097     -1,069
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.6        2.8        8.2       75.7       82.5       94.6       93.5:       5.4        6.5
Old  :     100.0:      10.6        2.8        8.2       75.7       82.5       94.6       93.5:       5.4        6.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        52:         6          3          8         38         37         47         45:
Old  :        52:         6          3          8         38         37         47         45:
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  :                 30.3       38.4       46.5       55.6       23.0       31.6       34.1       40.3
Old  :                 30.3       38.4       46.5       55.6       23.0       31.6       34.1       40.3
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    61,169:       380      5,206      1,676     52,269     42,453     54,325     49,335:     6,844     11,834
Old  :    61,169:       380      5,206      1,676     52,269     42,453     54,325     49,335:     6,844     11,834
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :       310:       380       -972        -70       -972      1,170       -662        128:       972        182
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.6        8.5        2.7       85.5       69.4       88.8       80.7:      11.2       19.3
Old  :     100.0:       0.6        8.5        2.7       85.5       69.4       88.8       80.7:      11.2       19.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        28:         1          1          2         23         21         25         23:
Old  :        28:         1          1          2         23         21         25         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  :                 40.7       30.0       61.4       50.5       38.9       24.8       51.3       39.5
Old  :                 40.7       30.0       61.4       50.5       38.9       24.8       51.3       39.5
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  : 2,566,506:   202,162     50,258    837,871  1,498,366  1,663,315  2,538,399  2,551,444:    28,107     15,062
Old  : 2,566,506:   202,162     50,258    837,871  1,498,366  1,663,315  2,538,399  2,551,444:    28,107     15,062
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :    25,027:     6,404      5,740     11,475      5,992      6,243     23,871     23,458:     1,156      1,569
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.9        2.0       32.6       58.4       64.8       98.9       99.4:       1.1        0.6
Old  :     100.0:       7.9        2.0       32.6       58.4       64.8       98.9       99.4:       1.1        0.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       159:        28         19         42        109         94        155        138:
Old  :       159:        28         19         42        109         94        155        138:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 31.2       39.6       44.9       53.0        9.0       18.0       13.5       22.0
Old  :                 31.2       39.6       44.9       53.0        9.0       18.0       13.5       22.0
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :   922,492:   143,378    293,706    104,300    669,326    521,208    917,004    919,214:     5,488      3,278
Old  :   922,492:   143,378    293,706    104,300    669,326    521,208    917,004    919,214:     5,488      3,278
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :    34,819:     1,943    -14,610      6,311     26,255     43,559     34,509     35,260:       310       -441
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      15.5       31.8       11.3       72.6       56.5       99.4       99.6:       0.6        0.4
Old  :     100.0:      15.5       31.8       11.3       72.6       56.5       99.4       99.6:       0.6        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  :        69:        18         14         25         37         35         66         63:
Old  :        69:        18         14         25         37         35         66         63:
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  :                 49.3       47.3       66.5       66.1       34.7       35.1       44.2       43.5
Old  :                 49.3       47.3       66.5       66.1       34.7       35.1       44.2       43.5
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (40 MEGAWATT HOURS PER PEAK DAY)                                           :
     :          :                                                                            :
All  :    83,014:     2,273      1,051      3,626     76,833     78,045     82,733     82,722:       281        291
Old  :    83,014:     2,273      1,051      3,626     76,833     78,045     82,733     82,722:       281        291
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     1,243:        12         37        -38      1,310      1,234      1,283      1,232:       -40         11
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.7        1.3        4.4       92.6       94.0       99.7       99.6:       0.3        0.4
Old  :     100.0:       2.7        1.3        4.4       92.6       94.0       99.7       99.6:       0.3        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  :        54:         6          4          7         40         37         49         45:
Old  :        54:         6          4          7         40         37         49         45:
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  :                 44.9       41.4       67.8       66.2       13.4       17.5       18.9       23.0
Old  :                 44.9       41.4       67.8       66.2       13.4       17.5       18.9       23.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NYISO ZONE A LBMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                   Code-06465A
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS 0F 400 MEGAWATT HOURS)                                          :
     :          :                                                                            :
All  :    18,340:       726         42        810     16,739     17,257     18,275     18,109:        65        231
Old  :    18,340:       726         42        810     16,739     17,257     18,275     18,109:        65        231
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :        38:        42          0        -42         38         80         38         38:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.0        0.2        4.4       91.3       94.1       99.6       98.7:       0.4        1.3
Old  :     100.0:       4.0        0.2        4.4       91.3       94.1       99.6       98.7:       0.4        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  :        26:         1          1          1         14         18         15         20:
Old  :        26:         1          1          1         14         18         15         20:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 64.0       76.4       87.2       91.9       39.6       60.4       58.4       63.8
Old  :                 64.0       76.4       87.2       91.9       39.6       60.4       58.4       63.8
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (40 MEGAWATT HOURS PER PEAK DAY)                                           :
     :          :                                                                            :
All  :    18,965:     1,664          0        340     16,654     18,096     18,658     18,436:       307        529
Old  :    18,965:     1,664          0        340     16,654     18,096     18,658     18,436:       307        529
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :      -231:      -209          0        -16         -7       -275       -231       -290:         0         59
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.8        0.0        1.8       87.8       95.4       98.4       97.2:       1.6        2.8
Old  :     100.0:       8.8        0.0        1.8       87.8       95.4       98.4       97.2:       1.6        2.8
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  :        29:         2          0          2         18         21         20         23:
Old  :        29:         2          0          2         18         21         20         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  :                 58.0       53.3       79.1       73.3       40.6       33.9       55.0       47.4
Old  :                 58.0       53.3       79.1       73.3       40.6       33.9       55.0       47.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                             Code-06465I
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (40 MEGAWATT HOURS PER PEAK DAY)                                           :
     :          :                                                                            :
All  :    14,318:     1,087         60        120     12,005     13,378     13,212     13,558:     1,106        760
Old  :    14,318:     1,087         60        120     12,005     13,378     13,212     13,558:     1,106        760
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :        22:       -60          0         30         66        -12         36         18:       -14          4
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.6        0.4        0.8       83.8       93.4       92.3       94.7:       7.7        5.3
Old  :     100.0:       7.6        0.4        0.8       83.8       93.4       92.3       94.7:       7.7        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  :        22:         1          1          1         16         13         17         15:
Old  :        22:         1          1          1         16         13         17         15:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 46.2       79.7       69.7       90.1       44.4       69.1       59.8       73.5
Old  :                 46.2       79.7       69.7       90.1       44.4       69.1       59.8       73.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                            Code-06465M
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2.5 MEGAWATTS PER OFF PEAK HRS)                                           :
     :          :                                                                            :
All  :    28,972:       838          0        622     26,884     28,058     28,344     28,680:       628        292
Old  :    28,972:       838          0        622     26,884     28,058     28,344     28,680:       628        292
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     3,764:        24          0          0      3,740      3,764      3,764      3,764:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.9        0.0        2.1       92.8       96.8       97.8       99.0:       2.2        1.0
Old  :     100.0:       2.9        0.0        2.1       92.8       96.8       97.8       99.0:       2.2        1.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        33:         2          0          1         24         23         26         24:
Old  :        33:         2          0          1         24         23         26         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  :                 49.4       48.2       68.1       73.3       27.9       33.5       39.3       45.7
Old  :                 49.4       48.2       68.1       73.3       27.9       33.5       39.3       45.7
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2.5 MEGAWATTS PER OFF PEAK HRS)                                           :
     :          :                                                                            :
All  :    27,274:       120        720      1,660     25,054     24,480     26,834     26,860:       440        414
Old  :    27,274:       120        720      1,660     25,054     24,480     26,834     26,860:       440        414
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :        60:         0          0          0         46         60         46         60:        14          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.4        2.6        6.1       91.9       89.8       98.4       98.5:       1.6        1.5
Old  :     100.0:       0.4        2.6        6.1       91.9       89.8       98.4       98.5:       1.6        1.5
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          1          1         19         16         21         18:
Old  :        25:         2          1          1         19         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  :                 59.7       55.5       79.1       80.3       39.4       43.8       50.5       55.4
Old  :                 59.7       55.5       79.1       80.3       39.4       43.8       50.5       55.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                              Code-06465S
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2.5 MEGAWATTS PER OFF PEAK HRS)                                           :
     :          :                                                                            :
All  :    10,720:         0        460        560      9,764      9,518     10,324     10,538:       396        182
Old  :    10,720:         0        460        560      9,764      9,518     10,324     10,538:       396        182
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :        30:         0         40          0        -10        -50        -10        -10:        40         40
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        4.3        5.2       91.1       88.8       96.3       98.3:       3.7        1.7
Old  :     100.0:       0.0        4.3        5.2       91.1       88.8       96.3       98.3:       3.7        1.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        21:         0          2          1         16         14         17         16:
Old  :        21:         0          2          1         16         14         17         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  :                 61.4       58.6       84.3       81.7       54.7       46.5       65.6       60.3
Old  :                 61.4       58.6       84.3       81.7       54.7       46.5       65.6       60.3
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 1,000 BARRELS)                                               :
     :          :                                                                            :
All  : 2,366,210:   205,062    116,524    653,292  1,420,736  1,506,397  2,279,090  2,276,213:    87,120     89,997
Old  : 2,366,210:   205,062    116,524    653,292  1,420,736  1,506,397  2,279,090  2,276,213:    87,120     89,997
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :   -36,605:     2,562     -5,042      7,498    -56,653    -41,025    -46,594    -38,569:     9,988      1,964
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.7        4.9       27.6       60.0       63.7       96.3       96.2:       3.7        3.8
Old  :     100.0:       8.7        4.9       27.6       60.0       63.7       96.3       96.2:       3.7        3.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       348:       120        105        173         98         93        311        298:
Old  :       348:       120        105        173         98         93        311        298:
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  :                 22.1       22.0       33.1       32.3        7.1        5.1        9.8        8.2
Old  :                 22.1       22.0       33.1       32.3        7.1        5.1        9.8        8.2
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 1,000 BARRELS)                                               :
     :          :                                                                            :
All  :    21,585:         0          0          0     21,585     21,535     21,585     21,535:         0         50
Old  :    21,585:         0          0          0     21,585     21,535     21,585     21,535:         0         50
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :       275:         0          0          0        275        275        275        275:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        0.0        0.0      100.0       99.8      100.0       99.8:       0.0        0.2
Old  :     100.0:       0.0        0.0        0.0      100.0       99.8      100.0       99.8:       0.0        0.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        21:         0          0          0         17         16         17         16:
Old  :        21:         0          0          0         17         16         17         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  :                 76.1       71.6       91.1       93.1       14.2       18.6       18.6       20.5
Old  :                 76.1       71.6       91.1       93.1       14.2       18.6       18.6       20.5
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 1,000 BARRELS)                                               :
     :          :                                                                            :
All  :    54,781:     2,564     11,121     15,305     31,294     21,859     49,163     48,285:     5,618      6,496
Old  :    54,781:     2,564     11,121     15,305     31,294     21,859     49,163     48,285:     5,618      6,496
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     1,167:       407        408        662         94        -75      1,163        995:         4        172
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.7       20.3       27.9       57.1       39.9       89.7       88.1:      10.3       11.9
Old  :     100.0:       4.7       20.3       27.9       57.1       39.9       89.7       88.1:      10.3       11.9
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  :        31:         8          8         14         15         14         29         30:
Old  :        31:         8          8         14         15         14         29         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  :                 34.2       32.8       54.7       52.9       15.2       15.5       21.4       21.0
Old  :                 34.2       32.8       54.7       52.9       15.2       15.5       21.4       21.0
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 100 TROY OUNCES)                                             :
     :          :                                                                            :
All  :    16,337:     9,493      1,981         32      4,045     14,046     13,570     16,059:     2,767        278
Old  :    16,337:     9,493      1,981         32      4,045     14,046     13,570     16,059:     2,767        278
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :       645:       528        -26        -10          9        764        527        728:       118        -83
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      58.1       12.1        0.2       24.8       86.0       83.1       98.3:      16.9        1.7
Old  :     100.0:      58.1       12.1        0.2       24.8       86.0       83.1       98.3:      16.9        1.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       120:        72          8          1         14         26         87         35:
Old  :       120:        72          8          1         14         26         87         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  :                 34.5       43.4       46.7       68.8       34.5       43.4       46.7       68.8
Old  :                 34.5       43.4       46.7       68.8       34.5       43.4       46.7       68.8
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 50 TROY OUNCES)                                              :
     :          :                                                                            :
All  :    12,684:     8,067      1,726        110      1,995     10,117     10,172     11,953:     2,512        731
Old  :    12,684:     8,067      1,726        110      1,995     10,117     10,172     11,953:     2,512        731
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :       897:       852        217        -18        -74        735        760        934:       137        -37
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      63.6       13.6        0.9       15.7       79.8       80.2       94.2:      19.8        5.8
Old  :     100.0:      63.6       13.6        0.9       15.7       79.8       80.2       94.2:      19.8        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  :        78:        36         10          1          9         25         46         35:
Old  :        78:        36         10          1          9         25         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  :                 19.8       38.0       31.7       53.8       19.8       37.7       31.7       53.5
Old  :                 19.8       38.0       31.7       53.8       19.8       37.7       31.7       53.5
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 with Delta-adjusted Options and Futures Combined, April 10, 2007                  
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (CONTRACTS OF 42,000 U.S. GALLONS)                                         :
     :          :                                                                            :
All  :   206,506:    42,314      8,944     30,262    104,514    141,667    177,091    180,873:    29,416     25,633
Old  :   206,506:    42,314      8,944     30,262    104,514    141,667    177,091    180,873:    29,416     25,633
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: April 3, 2007                        :
     :     2,673:       111        786       -442     -1,104     -3,422     -1,435     -3,078:     4,108      5,751
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      20.5        4.3       14.7       50.6       68.6       85.8       87.6:      14.2       12.4
Old  :     100.0:      20.5        4.3       14.7       50.6       68.6       85.8       87.6:      14.2       12.4
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  :       185:        58         25         33         77         92        149        137:
Old  :       185:        58         25         33         77         92        149        137:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 21.2       16.6       32.9       27.0       16.0       11.5       22.5       19.5
Old  :                 21.2       16.6       32.9       27.0       16.0       11.5       22.5       19.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated April 13, 2007