NY RES FUEL 1.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE                                             Code-02165B
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 3, 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  :    14,277:       150      7,103         21     13,641      5,539     13,812     12,663:       465      1,614
Old  :    14,277:       150      7,103         21     13,641      5,539     13,812     12,663:       465      1,614
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -1,045:      -144         93        -68       -817     -1,031     -1,029     -1,006:       -16        -39
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.1       49.8        0.1       95.5       38.8       96.7       88.7:       3.3       11.3
Old  :     100.0:       1.1       49.8        0.1       95.5       38.8       96.7       88.7:       3.3       11.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        35:         1          4          1         24         25         26         29:
Old  :        35:         1          4          1         24         25         26         29:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 63.3       67.4       78.5       76.5       62.0       60.5       71.2       64.7
Old  :                 63.3       67.4       78.5       76.5       62.0       60.5       71.2       64.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SING FUEL OIL 180 CAL SWAP - NEW YORK MERCANTILE EXCHANGE                                               Code-02165G
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 3, 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  :     2,461:         0         35          0      1,966      1,948      1,966      1,983:       495        478
Old  :     2,461:         0         35          0      1,966      1,948      1,966      1,983:       495        478
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :      -793:         0        -40          0       -623       -541       -623       -581:      -170       -212
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        1.4        0.0       79.9       79.2       79.9       80.6:      20.1       19.4
Old  :     100.0:       0.0        1.4        0.0       79.9       79.2       79.9       80.6:      20.1       19.4
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  :        28:         0          1          0         23         25         23         26:
Old  :        28:         0          1          0         23         25         23         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  :                 28.2       28.6       43.8       48.2       17.6       27.2       28.6       40.2
Old  :                 28.2       28.6       43.8       48.2       17.6       27.2       28.6       40.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NO. 2 HEATING OIL, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE                                           Code-022651
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 3, 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  :   222,827:    33,403     21,418     29,836    127,005    142,898    190,244    194,153:    32,582     28,674
Old  :   222,827:    33,403     21,418     29,836    127,005    142,898    190,244    194,153:    32,582     28,674
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :     1,678:     8,282     -2,334      2,515    -10,671      1,822        126      2,002:     1,552       -324
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      15.0        9.6       13.4       57.0       64.1       85.4       87.1:      14.6       12.9
Old  :     100.0:      15.0        9.6       13.4       57.0       64.1       85.4       87.1:      14.6       12.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       141:        32         30         26         67         76        116        115:
Old  :       141:        32         30         26         67         76        116        115:
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       23.2       31.5       33.7       16.6       15.3       24.5       21.3
Old  :                 21.6       23.2       31.5       33.7       16.6       15.3       24.5       21.3
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 3, 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  : 1,261,717:    70,041    119,403    516,604    601,619    587,152  1,188,264  1,223,159:    73,453     38,558
Old  : 1,261,717:    70,041    119,403    516,604    601,619    587,152  1,188,264  1,223,159:    73,453     38,558
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :   -11,648:     1,187    -15,118     -2,891    -11,056      5,316    -12,761    -12,693:     1,113      1,045
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.6        9.5       40.9       47.7       46.5       94.2       96.9:       5.8        3.1
Old  :     100.0:       5.6        9.5       40.9       47.7       46.5       94.2       96.9:       5.8        3.1
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  :       218:        57         70         87         83         80        191        191:
Old  :       218:        57         70         87         83         80        191        191:
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  :                 39.6       40.1       52.5       54.7        7.4        6.0       10.2        9.4
Old  :                 39.6       40.1       52.5       54.7        7.4        6.0       10.2        9.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MICHCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                                       Code-02365A
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 3, 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  :    91,219:     3,484     14,668      2,996     73,653     63,077     80,133     80,741:    11,086     10,478
Old  :    91,219:     3,484     14,668      2,996     73,653     63,077     80,133     80,741:    11,086     10,478
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :      -816:     3,484       -557     -1,578     -1,318      2,275        588        140:    -1,404       -956
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.8       16.1        3.3       80.7       69.1       87.8       88.5:      12.2       11.5
Old  :     100.0:       3.8       16.1        3.3       80.7       69.1       87.8       88.5:      12.2       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:         2          2          2         18         17         20         21:
Old  :        26:         2          2          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  :                 48.1       42.7       68.6       61.0       45.3       41.2       57.3       56.3
Old  :                 48.1       42.7       68.6       61.0       45.3       41.2       57.3       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 3, 2007                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    53,335:       455      1,096      2,430     42,208     39,729     45,093     43,255:     8,242     10,080
Old  :    53,335:       455      1,096      2,430     42,208     39,729     45,093     43,255:     8,242     10,080
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -4,835:    -1,160       -192        122     -2,719     -1,882     -3,757     -1,952:    -1,078     -2,883
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.9        2.1        4.6       79.1       74.5       84.5       81.1:      15.5       18.9
Old  :     100.0:       0.9        2.1        4.6       79.1       74.5       84.5       81.1:      15.5       18.9
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  :                 33.4       40.0       53.0       56.1       28.4       35.1       44.0       47.7
Old  :                 33.4       40.0       53.0       56.1       28.4       35.1       44.0       47.7
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 3, 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  :   120,926:     7,542      3,698      8,118     94,431    101,311    110,091    113,127:    10,835      7,799
Old  :   120,926:     7,542      3,698      8,118     94,431    101,311    110,091    113,127:    10,835      7,799
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -1,305:    -1,529        618      2,442        333     -4,714      1,246     -1,654:    -2,551        349
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.2        3.1        6.7       78.1       83.8       91.0       93.6:       9.0        6.4
Old  :     100.0:       6.2        3.1        6.7       78.1       83.8       91.0       93.6:       9.0        6.4
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  :        34:         2          1          3         21         24         24         27:
Old  :        34:         2          1          3         21         24         24         27:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 48.2       49.7       67.5       68.9       46.0       46.3       62.7       60.3
Old  :                 48.2       49.7       67.5       68.9       46.0       46.3       62.7       60.3
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 3, 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  :    79,733:    26,431     11,134        428     42,778     58,210     69,637     69,772:    10,096      9,961
Old  :    79,733:    26,431     11,134        428     42,778     58,210     69,637     69,772:    10,096      9,961
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :     3,069:     2,183      3,732        428       -958     -1,205      1,653      2,955:     1,416        114
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      33.1       14.0        0.5       53.7       73.0       87.3       87.5:      12.7       12.5
Old  :     100.0:      33.1       14.0        0.5       53.7       73.0       87.3       87.5:      12.7       12.5
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          2          1         17         15         20         17:
Old  :        25:         2          2          1         17         15         20         17:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 48.7       59.0       67.5       75.5       45.6       55.5       63.9       70.5
Old  :                 48.7       59.0       67.5       75.5       45.6       55.5       63.9       70.5
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 3, 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  :    73,092:     1,135      3,686      4,881     63,046     57,526     69,062     66,093:     4,030      6,999
Old  :    73,092:     1,135      3,686      4,881     63,046     57,526     69,062     66,093:     4,030      6,999
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -5,739:      -177       -513         20     -3,930     -5,290     -4,087     -5,783:    -1,652         44
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.6        5.0        6.7       86.3       78.7       94.5       90.4:       5.5        9.6
Old  :     100.0:       1.6        5.0        6.7       86.3       78.7       94.5       90.4:       5.5        9.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        27:         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  :                 58.6       43.2       77.2       63.1       51.5       41.8       62.3       57.2
Old  :                 58.6       43.2       77.2       63.1       51.5       41.8       62.3       57.2
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 3, 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  :    65,386:     5,983          0      1,883     52,112     56,239     59,978     58,122:     5,408      7,264
Old  :    65,386:     5,983          0      1,883     52,112     56,239     59,978     58,122:     5,408      7,264
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -4,510:     2,779          0     -2,367     -3,093     -1,473     -2,681     -3,840:    -1,829       -670
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.2        0.0        2.9       79.7       86.0       91.7       88.9:       8.3       11.1
Old  :     100.0:       9.2        0.0        2.9       79.7       86.0       91.7       88.9:       8.3       11.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        25:         1          0          1         16         19         17         20:
Old  :        25:         1          0          1         16         19         17         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  :                 66.5       39.6       80.7       61.2       62.9       38.1       70.9       54.2
Old  :                 66.5       39.6       80.7       61.2       62.9       38.1       70.9       54.2
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 3, 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  :    85,170:     2,576      1,302      6,016     65,814     68,109     74,406     75,427:    10,764      9,743
Old  :    85,170:     2,576      1,302      6,016     65,814     68,109     74,406     75,427:    10,764      9,743
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -5,140:      -868     -1,833      1,157     -5,829     -6,110     -5,540     -6,786:       400      1,646
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.0        1.5        7.1       77.3       80.0       87.4       88.6:      12.6       11.4
Old  :     100.0:       3.0        1.5        7.1       77.3       80.0       87.4       88.6:      12.6       11.4
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  :        33:         1          3          3         20         26         24         29:
Old  :        33:         1          3          3         20         26         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  :                 43.7       29.3       66.6       48.5       31.2       21.4       46.2       35.2
Old  :                 43.7       29.3       66.6       48.5       31.2       21.4       46.2       35.2
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 3, 2007                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    84,643:         0      5,623      2,769     68,496     65,602     71,265     73,994:    13,378     10,649
Old  :    84,643:         0      5,623      2,769     68,496     65,602     71,265     73,994:    13,378     10,649
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -4,694:         0       -676       -252     -5,354     -2,794     -5,606     -3,722:       912       -972
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        6.6        3.3       80.9       77.5       84.2       87.4:      15.8       12.6
Old  :     100.0:       0.0        6.6        3.3       80.9       77.5       84.2       87.4:      15.8       12.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        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  :                 42.1       42.8       61.8       65.2       39.6       40.9       54.8       59.8
Old  :                 42.1       42.8       61.8       65.2       39.6       40.9       54.8       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 3, 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  :    56,964:     4,336      1,877      3,045     42,098     43,607     49,479     48,529:     7,485      8,435
Old  :    56,964:     4,336      1,877      3,045     42,098     43,607     49,479     48,529:     7,485      8,435
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -3,662:    -2,264       -138        806     -1,578     -4,658     -3,036     -3,990:      -626        328
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.6        3.3        5.3       73.9       76.6       86.9       85.2:      13.1       14.8
Old  :     100.0:       7.6        3.3        5.3       73.9       76.6       86.9       85.2:      13.1       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  :        26:         1          2          2         22         18         25         20:
Old  :        26:         1          2          2         22         18         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  :                 40.0       32.7       60.6       51.5       33.0       25.9       46.8       38.8
Old  :                 40.0       32.7       60.6       51.5       33.0       25.9       46.8       38.8
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 3, 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  :   114,136:     6,936      9,998      6,344     91,801     81,338    105,081     97,680:     9,055     16,456
Old  :   114,136:     6,936      9,998      6,344     91,801     81,338    105,081     97,680:     9,055     16,456
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -6,427:     4,105        570     -1,553     -8,753     -9,112     -6,201    -10,095:      -226      3,668
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.1        8.8        5.6       80.4       71.3       92.1       85.6:       7.9       14.4
Old  :     100.0:       6.1        8.8        5.6       80.4       71.3       92.1       85.6:       7.9       14.4
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  :        34:         2          3          3         22         21         25         26:
Old  :        34:         2          3          3         22         21         25         26:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 39.3       32.6       60.3       50.7       33.6       28.6       51.7       43.3
Old  :                 39.3       32.6       60.3       50.7       33.6       28.6       51.7       43.3
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 3, 2007                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    59,819:         0      8,850      1,165     43,018     42,054     44,183     52,069:    15,636      7,750
Old  :    59,819:         0      8,850      1,165     43,018     42,054     44,183     52,069:    15,636      7,750
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -5,263:         0       -699       -360     -1,938     -3,652     -2,298     -4,711:    -2,965       -552
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0       14.8        1.9       71.9       70.3       73.9       87.0:      26.1       13.0
Old  :     100.0:       0.0       14.8        1.9       71.9       70.3       73.9       87.0:      26.1       13.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        23:         0          2          2         15         14         17         16:
Old  :        23:         0          2          2         15         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  :                 42.8       50.0       59.8       74.8       41.2       48.3       57.7       71.6
Old  :                 42.8       50.0       59.8       74.8       41.2       48.3       57.7       71.6
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 3, 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  :   169,302:     5,029     20,609     12,763    139,515    129,692    157,307    163,064:    11,995      6,238
Old  :   169,302:     5,029     20,609     12,763    139,515    129,692    157,307    163,064:    11,995      6,238
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -8,832:    -1,516     -4,568      2,508     -9,002     -5,968     -8,010     -8,028:      -822       -804
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.0       12.2        7.5       82.4       76.6       92.9       96.3:       7.1        3.7
Old  :     100.0:       3.0       12.2        7.5       82.4       76.6       92.9       96.3:       7.1        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  :        48:         3          6          7         35         33         42         42:
Old  :        48:         3          6          7         35         33         42         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  :                 35.5       36.7       51.9       55.5       34.4       33.2       42.9       42.9
Old  :                 35.5       36.7       51.9       55.5       34.4       33.2       42.9       42.9
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 3, 2007                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :    83,154:     1,140      7,139      3,729     69,995     58,292     74,864     69,160:     8,290     13,994
Old  :    83,154:     1,140      7,139      3,729     69,995     58,292     74,864     69,160:     8,290     13,994
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -1,648:       383      1,327        610     -2,675     -4,113     -1,682     -2,176:        34        528
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.4        8.6        4.5       84.2       70.1       90.0       83.2:      10.0       16.8
Old  :     100.0:       1.4        8.6        4.5       84.2       70.1       90.0       83.2:      10.0       16.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        27:         2          3          3         17         14         20         19:
Old  :        27:         2          3          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  :                 50.9       45.9       69.2       64.2       49.4       43.0       62.6       56.9
Old  :                 50.9       45.9       69.2       64.2       49.4       43.0       62.6       56.9
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 3, 2007                   
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : (2,500 MMBTU'S)                                                            :
     :          :                                                                            :
All  :   279,446:    13,738      1,096      8,007    242,689    257,087    264,434    266,190:    15,012     13,256
Old  :   279,446:    13,738      1,096      8,007    242,689    257,087    264,434    266,190:    15,012     13,256
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :   -14,487:     2,277       -648     -2,856    -12,760    -11,139    -13,339    -14,643:    -1,148        156
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.9        0.4        2.9       86.8       92.0       94.6       95.3:       5.4        4.7
Old  :     100.0:       4.9        0.4        2.9       86.8       92.0       94.6       95.3:       5.4        4.7
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  :        51:         3          3          5         36         39         41         45:
Old  :        51:         3          3          5         36         39         41         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  :                 40.5       50.9       59.0       63.9       38.0       46.0       52.7       57.0
Old  :                 40.5       50.9       59.0       63.9       38.0       46.0       52.7       57.0
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 3, 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  :   170,441:     8,475     10,945     16,200    128,357    138,119    153,032    165,264:    17,409      5,177
Old  :   170,441:     8,475     10,945     16,200    128,357    138,119    153,032    165,264:    17,409      5,177
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -8,483:       263     -1,535     -1,213    -11,433     -6,887    -12,383     -9,635:     3,900      1,152
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.0        6.4        9.5       75.3       81.0       89.8       97.0:      10.2        3.0
Old  :     100.0:       5.0        6.4        9.5       75.3       81.0       89.8       97.0:      10.2        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:         2          2          5         34         31         39         36:
Old  :        44:         2          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  :                 32.0       40.5       49.8       60.4       26.6       31.1       40.2       44.8
Old  :                 32.0       40.5       49.8       60.4       26.6       31.1       40.2       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 3, 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  :   172,366:    10,164      5,188      9,700    129,349    142,040    149,213    156,928:    23,153     15,438
Old  :   172,366:    10,164      5,188      9,700    129,349    142,040    149,213    156,928:    23,153     15,438
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -8,418:       444     -7,794        625    -13,158     -2,261    -12,089     -9,430:     3,671      1,012
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.9        3.0        5.6       75.0       82.4       86.6       91.0:      13.4        9.0
Old  :     100.0:       5.9        3.0        5.6       75.0       82.4       86.6       91.0:      13.4        9.0
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  :        40:         2          4          4         26         30         31         35:
Old  :        40:         2          4          4         26         30         31         35:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 35.6       47.9       52.3       64.2       34.2       46.6       48.9       57.0
Old  :                 35.6       47.9       52.3       64.2       34.2       46.6       48.9       57.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SAN JUAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                                      Code-035656
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 3, 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  :    48,285:         0      2,446      2,323     35,245     33,629     37,568     38,398:    10,717      9,887
Old  :    48,285:         0      2,446      2,323     35,245     33,629     37,568     38,398:    10,717      9,887
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -3,563:         0        377       -392     -2,304     -2,238     -2,696     -2,253:      -867     -1,310
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        5.1        4.8       73.0       69.6       77.8       79.5:      22.2       20.5
Old  :     100.0:       0.0        5.1        4.8       73.0       69.6       77.8       79.5:      22.2       20.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        22:         0          1          1         16         15         17         16:
Old  :        22:         0          1          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  :                 42.1       35.4       61.7       59.9       41.8       30.5       58.1       51.3
Old  :                 42.1       35.4       61.7       59.9       41.8       30.5       58.1       51.3
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 3, 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  :   243,816:    26,406      5,992     18,354    184,469    202,347    229,229    226,693:    14,587     17,123
Old  :   243,816:    26,406      5,992     18,354    184,469    202,347    229,229    226,693:    14,587     17,123
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :   -12,515:         4      2,531     -4,002     -7,946     -7,541    -11,944     -9,012:      -571     -3,503
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.8        2.5        7.5       75.7       83.0       94.0       93.0:       6.0        7.0
Old  :     100.0:      10.8        2.5        7.5       75.7       83.0       94.0       93.0:       6.0        7.0
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  :        50:         4          3          5         38         37         45         42:
Old  :        50:         4          3          5         38         37         45         42:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 30.2       38.2       46.2       55.5       22.9       31.8       33.6       41.8
Old  :                 30.2       38.2       46.2       55.5       22.9       31.8       33.6       41.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
TRANSCO ZONE 6 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                                                Code-035658
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 3, 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  :    60,859:         0      6,178      1,746     53,241     41,283     54,987     49,207:     5,872     11,652
Old  :    60,859:         0      6,178      1,746     53,241     41,283     54,987     49,207:     5,872     11,652
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -2,550:         0         54       -856       -935     -4,132     -1,791     -4,934:      -759      2,384
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0       10.2        2.9       87.5       67.8       90.4       80.9:       9.6       19.1
Old  :     100.0:       0.0       10.2        2.9       87.5       67.8       90.4       80.9:       9.6       19.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        28:         0          2          2         23         21         25         23:
Old  :        28:         0          2          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  :                 41.2       29.9       62.2       50.3       39.4       25.2       52.2       38.4
Old  :                 41.2       29.9       62.2       50.3       39.4       25.2       52.2       38.4
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 3, 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  : 2,541,479:   195,758     44,518    826,396  1,492,374  1,657,072  2,514,528  2,527,986:    26,951     13,493
Old  : 2,541,479:   195,758     44,518    826,396  1,492,374  1,657,072  2,514,528  2,527,986:    26,951     13,493
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :  -209,032:   -30,717   -107,764    -19,437   -161,200    -85,272   -211,354   -212,473:     2,322      3,441
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       7.7        1.8       32.5       58.7       65.2       98.9       99.5:       1.1        0.5
Old  :     100.0:       7.7        1.8       32.5       58.7       65.2       98.9       99.5:       1.1        0.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       156:        28         19         42        106         93        152        137:
Old  :       156:        28         19         42        106         93        152        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  :                 31.6       40.0       45.5       53.2        9.1       18.1       13.6       22.2
Old  :                 31.6       40.0       45.5       53.2        9.1       18.1       13.6       22.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE                                           Code-03565C
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 3, 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  :   887,673:   141,435    308,316     97,989    643,071    477,649    882,495    883,954:     5,178      3,719
Old  :   887,673:   141,435    308,316     97,989    643,071    477,649    882,495    883,954:     5,178      3,719
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :   -49,691:     3,905      8,654    -32,991    -21,216    -21,201    -50,302    -45,538:       611     -4,153
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      15.9       34.7       11.0       72.4       53.8       99.4       99.6:       0.6        0.4
Old  :     100.0:      15.9       34.7       11.0       72.4       53.8       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  :        64:        16         11         23         37         35         62         60:
Old  :        64:        16         11         23         37         35         62         60:
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  :                 49.6       47.8       65.6       66.5       38.3       38.2       46.9       47.0
Old  :                 49.6       47.8       65.6       66.5       38.3       38.2       46.9       47.0
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 3, 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  :    81,770:     2,261      1,014      3,664     75,523     76,812     81,449     81,490:       321        280
Old  :    81,770:     2,261      1,014      3,664     75,523     76,812     81,449     81,490:       321        280
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -1,888:      -210         34          4     -1,532     -1,927     -1,738     -1,888:      -150         -0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.8        1.2        4.5       92.4       93.9       99.6       99.7:       0.4        0.3
Old  :     100.0:       2.8        1.2        4.5       92.4       93.9       99.6       99.7:       0.4        0.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        54:         6          4          8         40         37         50         45:
Old  :        54:         6          4          8         40         37         50         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  :                 44.7       41.6       67.5       66.0       14.2       18.4       19.8       23.8
Old  :                 44.7       41.6       67.5       66.0       14.2       18.4       19.8       23.8
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 3, 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  :    18,302:       684         42        852     16,701     17,177     18,237     18,071:        65        231
Old  :    18,302:       684         42        852     16,701     17,177     18,237     18,071:        65        231
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -1,056:        88          0        -88     -1,056       -946     -1,056     -1,034:         0        -22
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.7        0.2        4.7       91.3       93.9       99.6       98.7:       0.4        1.3
Old  :     100.0:       3.7        0.2        4.7       91.3       93.9       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         17         15         19:
Old  :        26:         1          1          1         14         17         15         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  :                 64.1       76.5       87.1       92.3       39.7       60.5       58.1       64.0
Old  :                 64.1       76.5       87.1       92.3       39.7       60.5       58.1       64.0
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 3, 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  :    19,196:     1,873          0        356     16,661     18,371     18,889     18,727:       307        470
Old  :    19,196:     1,873          0        356     16,661     18,371     18,889     18,727:       307        470
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :      -791:       171          0       -174       -782       -862       -785     -1,036:        -6        245
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.8        0.0        1.9       86.8       95.7       98.4       97.6:       1.6        2.4
Old  :     100.0:       9.8        0.0        1.9       86.8       95.7       98.4       97.6:       1.6        2.4
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        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  :                 58.8       53.6       79.5       73.6       41.5       34.8       55.7       48.8
Old  :                 58.8       53.6       79.5       73.6       41.5       34.8       55.7       48.8
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 3, 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  :    14,296:     1,147         60         90     11,939     13,390     13,176     13,540:     1,120        756
Old  :    14,296:     1,147         60         90     11,939     13,390     13,176     13,540:     1,120        756
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :      -794:      -168         20        -10       -705       -860       -883       -850:        90         56
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.0        0.4        0.6       83.5       93.7       92.2       94.7:       7.8        5.3
Old  :     100.0:       8.0        0.4        0.6       83.5       93.7       92.2       94.7:       7.8        5.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        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  :                 46.0       79.9       69.5       90.4       44.5       69.3       59.8       73.6
Old  :                 46.0       79.9       69.5       90.4       44.5       69.3       59.8       73.6
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 3, 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  :    25,208:       814          0        622     23,144     24,294     24,580     24,916:       628        292
Old  :    25,208:       814          0        622     23,144     24,294     24,580     24,916:       628        292
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -1,042:       -74          0       -180       -710       -812       -964       -992:       -78        -50
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.2        0.0        2.5       91.8       96.4       97.5       98.8:       2.5        1.2
Old  :     100.0:       3.2        0.0        2.5       91.8       96.4       97.5       98.8:       2.5        1.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        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  :                 44.8       49.9       65.7       73.7       32.7       38.5       45.9       52.6
Old  :                 44.8       49.9       65.7       73.7       32.7       38.5       45.9       52.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                Code-06465N
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 3, 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  :    27,214:       120        720      1,660     25,008     24,420     26,788     26,800:       426        414
Old  :    27,214:       120        720      1,660     25,008     24,420     26,788     26,800:       426        414
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :      -356:        20       -176       -100       -232        -60       -312       -336:       -44        -20
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.4        2.6        6.1       91.9       89.7       98.4       98.5:       1.6        1.5
Old  :     100.0:       0.4        2.6        6.1       91.9       89.7       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         18         16         20         18:
Old  :        25:         2          1          1         18         16         20         18:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 60.7       55.6       80.2       80.4       40.4       44.8       52.3       56.3
Old  :                 60.7       55.6       80.2       80.4       40.4       44.8       52.3       56.3
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 3, 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  :    10,690:         0        420        560      9,774      9,568     10,334     10,548:       356        142
Old  :    10,690:         0        420        560      9,774      9,568     10,334     10,548:       356        142
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :      -356:         0        -20          0       -532       -410       -532       -430:       176         74
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        3.9        5.2       91.4       89.5       96.7       98.7:       3.3        1.3
Old  :     100.0:       0.0        3.9        5.2       91.4       89.5       96.7       98.7:       3.3        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  :        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       58.8       84.4       81.9       54.7       46.6       65.7       60.7
Old  :                 61.4       58.8       84.4       81.9       54.7       46.6       65.7       60.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE                                                   Code-067651
Commitments of Traders with Delta-adjusted Options and Futures Combined, April 3, 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  : 2,402,816:   202,500    121,566    645,795  1,477,389  1,547,422  2,325,684  2,314,782:    77,131     88,034
Old  : 2,402,816:   202,500    121,566    645,795  1,477,389  1,547,422  2,325,684  2,314,782:    77,131     88,034
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    88,675:    12,581     -9,543     42,113     34,749     58,617     89,444     91,187:      -768     -2,512
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.4        5.1       26.9       61.5       64.4       96.8       96.3:       3.2        3.7
Old  :     100.0:       8.4        5.1       26.9       61.5       64.4       96.8       96.3:       3.2        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  :       344:       115        106        164         93         97        297        295:
Old  :       344:       115        106        164         93         97        297        295:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 23.1       22.6       34.3       32.8        7.1        5.0        9.6        7.8
Old  :                 23.1       22.6       34.3       32.8        7.1        5.0        9.6        7.8
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 3, 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  :    21,310:         0          0          0     21,310     21,260     21,310     21,260:         0         50
Old  :    21,310:         0          0          0     21,310     21,260     21,310     21,260:         0         50
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -2,400:         0          0          0     -2,400     -2,350     -2,400     -2,350:         0        -50
     :          :                                                                            :
     :          :    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  :                 77.1       71.6       92.0       93.4       14.4       17.9       18.8       20.2
Old  :                 77.1       71.6       92.0       93.4       14.4       17.9       18.8       20.2
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 3, 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  :    53,614:     2,157     10,713     14,643     31,200     21,934     48,000     47,290:     5,614      6,324
Old  :    53,614:     2,157     10,713     14,643     31,200     21,934     48,000     47,290:     5,614      6,324
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :    -1,951:      -672        335     -2,746        285       -856     -3,133     -3,267:     1,182      1,316
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       4.0       20.0       27.3       58.2       40.9       89.5       88.2:      10.5       11.8
Old  :     100.0:       4.0       20.0       27.3       58.2       40.9       89.5       88.2:      10.5       11.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        31:         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  :                 35.2       33.5       57.5       52.7       16.1       15.2       22.6       21.1
Old  :                 35.2       33.5       57.5       52.7       16.1       15.2       22.6       21.1
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 3, 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  :    15,692:     8,965      2,007         42      4,036     13,282     13,043     15,331:     2,649        361
Old  :    15,692:     8,965      2,007         42      4,036     13,282     13,043     15,331:     2,649        361
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :        19:       144       -164         -2       -148        175         -6          9:        25         10
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      57.1       12.8        0.3       25.7       84.6       83.1       97.7:      16.9        2.3
Old  :     100.0:      57.1       12.8        0.3       25.7       84.6       83.1       97.7:      16.9        2.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :       115:        65         10          1         14         26         80         37:
Old  :       115:        65         10          1         14         26         80         37:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 36.1       44.6       48.0       67.4       36.1       44.6       48.0       67.4
Old  :                 36.1       44.6       48.0       67.4       36.1       44.6       48.0       67.4
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 3, 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  :    11,787:     7,215      1,509        128      2,069      9,382      9,412     11,019:     2,375        768
Old  :    11,787:     7,215      1,509        128      2,069      9,382      9,412     11,019:     2,375        768
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :       467:       700        547        -82       -168        129        450        594:        17       -127
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      61.2       12.8        1.1       17.6       79.6       79.9       93.5:      20.1        6.5
Old  :     100.0:      61.2       12.8        1.1       17.6       79.6       79.9       93.5:      20.1        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  :        75:        36          9          1          9         23         46         32:
Old  :        75:        36          9          1          9         23         46         32:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 17.9       38.7       30.4       54.6       17.9       38.4       30.4       54.3
Old  :                 17.9       38.7       30.4       54.6       17.9       38.4       30.4       54.3
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 3, 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  :   203,834:    42,203      8,158     30,704    105,619    145,088    178,526    183,951:    25,308     19,883
Old  :   203,834:    42,203      8,158     30,704    105,619    145,088    178,526    183,951:    25,308     19,883
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: March 27, 2007                       :
     :     5,773:     1,791        587      2,352      2,657      4,966      6,800      7,905:    -1,027     -2,132
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      20.7        4.0       15.1       51.8       71.2       87.6       90.2:      12.4        9.8
Old  :     100.0:      20.7        4.0       15.1       51.8       71.2       87.6       90.2:      12.4        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  :       175:        55         23         36         74         89        144        136:
Old  :       175:        55         23         36         74         89        144        136:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 19.4       16.3       31.8       26.4       15.2       11.2       21.5       19.4
Old  :                 19.4       16.3       31.8       26.4       15.2       11.2       21.5       19.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated April 6, 2007