```
CENTRAL APPALACHIAN COAL - NEW YORK MERCANTILE EXCHANGE                                                                                          Code-024651
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(CONTRACTS OF 1,550 TONS)                                                                                               :
     :          :    Positions                                                                                                           :
All  :     7,760:     6,745      5,765        105      1,215        315          0          0          0        390          0          0:      205       465
Old  :     7,760:     6,745      5,765        105      1,215        315          0          0          0        390          0          0:      205       465
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :      -260:      -205       -130        -90       -250         70          0          0          0          0          0          0:      -35        50
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      86.9       74.3        1.4       15.7        4.1        0.0        0.0        0.0        5.0        0.0        0.0:      2.6       6.0
Old  :     100.0:      86.9       74.3        1.4       15.7        4.1        0.0        0.0        0.0        5.0        0.0        0.0:      2.6       6.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        23:        15         15          .          .          .          0          0          0          .          0          0:
Old  :        23:        15         15          .          .          .          0          0          0          .          0          0:
Other:         0:         0          0          0          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  :                 60.4       40.9       77.0       68.6       44.0       35.5       53.9       57.2
Old  :                 60.4       40.9       77.0       68.6       44.0       35.5       53.9       57.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064657
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    47,213:    21,185     30,406      4,504      6,640      7,015     10,926        870      1,120        318        190         72:    2,073       900
Old  :    47,213:    21,185     30,406      4,504      6,640      7,015     10,926        870      1,120        318        190         72:    2,073       900
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :       954:       656        206       -238        388        332        152          0          0          0        -12          6:       46        34
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      44.9       64.4        9.5       14.1       14.9       23.1        1.8        2.4        0.7        0.4        0.2:      4.4       1.9
Old  :     100.0:      44.9       64.4        9.5       14.1       14.9       23.1        1.8        2.4        0.7        0.4        0.2:      4.4       1.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        41:        23         15          4          4          7          .          .          .          .          .          .:
Old  :        41:        23         15          4          4          7          .          .          .          .          .          .:
Other:         0:         0          0          0          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       60.5       65.1       77.6       36.8       54.7       50.2       62.5
Old  :                 43.7       60.5       65.1       77.6       36.8       54.7       50.2       62.5
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
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    14,719:    10,084     10,946      2,556      1,392        775         82        200         48          0        398         38:    1,136       922
Old  :    14,719:    10,084     10,946      2,556      1,392        775         82        200         48          0        398         38:    1,136       922
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :        48:      -100         70        -20       -240        120          0          0          0          0        140          0:       48       -42
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      68.5       74.4       17.4        9.5        5.3        0.6        1.4        0.3        0.0        2.7        0.3:      7.7       6.3
Old  :     100.0:      68.5       74.4       17.4        9.5        5.3        0.6        1.4        0.3        0.0        2.7        0.3:      7.7       6.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        26:        13         10          4          .          4          .          .          .          0          .          .:
Old  :        26:        13         10          4          .          4          .          .          .          0          .          .:
Other:         0:         0          0          0          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       59.7       71.8       79.8       48.7       49.0       63.8       67.1
Old  :                 50.9       59.7       71.8       79.8       48.7       49.0       63.8       67.1
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
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MEGAWATTS PER OFF PEAK HRS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    30,136:    20,750     11,767      1,552      9,371      4,506          0      2,120          0        104      1,106        220:    3,004     1,046
Old  :    30,136:    20,750     11,767      1,552      9,371      4,506          0      2,120          0        104      1,106        220:    3,004     1,046
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :       -90:       -90        186          0       -156          0          0       -120          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      68.9       39.0        5.1       31.1       15.0        0.0        7.0        0.0        0.3        3.7        0.7:     10.0       3.5
Old  :     100.0:      68.9       39.0        5.1       31.1       15.0        0.0        7.0        0.0        0.3        3.7        0.7:     10.0       3.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        27:        15         11          .          5          6          0          .          0          .          .          .:
Old  :        27:        15         11          .          5          6          0          .          0          .          .          .:
Other:         0:         0          0          0          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  :                 38.7       53.8       60.1       76.9       25.1       47.4       41.3       55.8
Old  :                 38.7       53.8       60.1       76.9       25.1       47.4       41.3       55.8
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
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MEGAWATTS PER OFF PEAK HRS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    10,778:     7,820      7,232        962      1,832        492          0          0          0          0        406          0:    1,504       816
Old  :    10,778:     7,820      7,232        962      1,832        492          0          0          0          0        406          0:    1,504       816
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :        14:         4         10          0          0          0          0          0          0          0          4          0:       10         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      72.6       67.1        8.9       17.0        4.6        0.0        0.0        0.0        0.0        3.8        0.0:     14.0       7.6
Old  :     100.0:      72.6       67.1        8.9       17.0        4.6        0.0        0.0        0.0        0.0        3.8        0.0:     14.0       7.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:        12          7          .          .          4          0          0          0          0          .          0:
Old  :        20:        12          7          .          .          4          0          0          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 49.2       50.3       70.4       80.1       48.5       44.9       69.2       72.4
Old  :                 49.2       50.3       70.4       80.1       48.5       44.9       69.2       72.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CINERGY CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A01
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    12,253:     7,569      6,567      1,658      3,176        896         20        740         76          0          0          0:    2,034       798
Old  :    12,253:     7,569      6,567      1,658      3,176        896         20        740         76          0          0          0:    2,034       798
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :       132:       132         12          0        120          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      61.8       53.6       13.5       25.9        7.3        0.2        6.0        0.6        0.0        0.0        0.0:     16.6       6.5
Old  :     100.0:      61.8       53.6       13.5       25.9        7.3        0.2        6.0        0.6        0.0        0.0        0.0:     16.6       6.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        23:        14         13          .          .          4          .          .          .          0          0          0:
Old  :        23:        14         13          .          .          4          .          .          .          0          0          0:
Other:         0:         0          0          0          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  :                 44.5       58.9       63.7       80.0       43.0       49.5       53.0       64.9
Old  :                 44.5       58.9       63.7       80.0       43.0       49.5       53.0       64.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                          Code-064A34
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    48,200:    45,518     36,225      2,213     11,400          0          0          0          0          0        428          0:      469       147
Old  :    48,200:    45,518     36,225      2,213     11,400          0          0          0          0          0        428          0:      469       147
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      94.4       75.2        4.6       23.7        0.0        0.0        0.0        0.0        0.0        0.9        0.0:      1.0       0.3
Old  :     100.0:      94.4       75.2        4.6       23.7        0.0        0.0        0.0        0.0        0.0        0.9        0.0:      1.0       0.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        22:        10         10          .          .          0          0          0          0          0          .          0:
Old  :        22:        10         10          .          .          0          0          0          0          0          .          0:
Other:         0:         0          0          0          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  :                 87.0       78.4       96.1       96.5       87.0       78.4       96.1       96.5
Old  :                 87.0       78.4       96.1       96.5       87.0       78.4       96.1       96.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A35
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  :   685,029:   636,541    466,352     43,416    205,765      5,072          0          0          0          0      7,840          0:        0         0
Old  :   685,029:   636,541    466,352     43,416    205,765      5,072          0          0          0          0      7,840          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :       744:       744        744          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      92.9       68.1        6.3       30.0        0.7        0.0        0.0        0.0        0.0        1.1        0.0:      0.0       0.0
Old  :     100.0:      92.9       68.1        6.3       30.0        0.7        0.0        0.0        0.0        0.0        1.1        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        24:        12          9          .          .          .          0          0          0          0          .          0:
Old  :        24:        12          9          .          .          .          0          0          0          0          .          0:
Other:         0:         0          0          0          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  :                 87.2       76.2       95.4       96.2       87.2       75.1       95.4       95.0
Old  :                 87.2       76.2       95.4       96.2       87.2       75.1       95.4       95.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064A54
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    62,010:    32,174     40,024     27,334     19,274      2,502          0          0          0          0        210          0:        0         0
Old  :    62,010:    32,174     40,024     27,334     19,274      2,502          0          0          0          0        210          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :       210:       210        210        210          0       -210          0          0          0          0        210          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      51.9       64.5       44.1       31.1        4.0        0.0        0.0        0.0        0.0        0.3        0.0:      0.0       0.0
Old  :     100.0:      51.9       64.5       44.1       31.1        4.0        0.0        0.0        0.0        0.0        0.3        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        27:        13         11          5          .          .          0          0          0          0          .          0:
Old  :        27:        13         11          5          .          .          0          0          0          0          .          0:
Other:         0:         0          0          0          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  :                 63.4       80.5       81.8       93.6       63.4       79.7       80.6       87.9
Old  :                 63.4       80.5       81.8       93.6       63.4       79.7       80.6       87.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PSEG OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A55
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  : 1,076,572:   537,613    706,467    496,614    327,760     42,345          0          0          0          0          0          0:        0         0
Old  : 1,076,572:   537,613    706,467    496,614    327,760     42,345          0          0          0          0          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      49.9       65.6       46.1       30.4        3.9        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      49.9       65.6       46.1       30.4        3.9        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        23:        13          9          5          .          .          0          0          0          0          0          0:
Old  :        23:        13          9          5          .          .          0          0          0          0          0          0:
Other:         0:         0          0          0          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       83.5       83.8       97.4       63.3       83.0       81.1       88.5
Old  :                 63.3       83.5       83.8       97.4       63.3       83.0       81.1       88.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A56
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :   187,614:   101,193    145,563     83,300     39,206      2,635          0          0          0        276          0        210:        0         0
Old  :   187,614:   101,193    145,563     83,300     39,206      2,635          0          0          0        276          0        210:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :      -210:      -210       -210       -210          0          0          0          0          0        210          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      53.9       77.6       44.4       20.9        1.4        0.0        0.0        0.0        0.1        0.0        0.1:      0.0       0.0
Old  :     100.0:      53.9       77.6       44.4       20.9        1.4        0.0        0.0        0.0        0.1        0.0        0.1:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        38:        16         21          .          5          .          0          0          0          .          0          .:
Old  :        38:        16         21          .          5          .          0          0          0          .          0          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 69.6       55.1       91.6       76.5       69.6       55.1       88.7       76.5
Old  :                 69.6       55.1       91.6       76.5       69.6       55.1       88.7       76.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A57
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 50 MEGAWATT HOURS)                                                                                        :
     :          :    Positions                                                                                                           :
All  : 3,294,723: 1,835,114  2,591,850  1,412,643    655,907     46,966          0          0          0          0          0          0:        0         0
Old  : 3,294,723: 1,835,114  2,591,850  1,412,643    655,907     46,966          0          0          0          0          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      55.7       78.7       42.9       19.9        1.4        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      55.7       78.7       42.9       19.9        1.4        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        36:        14         20          .          5          .          0          0          0          0          0          0:
Old  :        36:        14         20          .          5          .          0          0          0          0          0          0:
Other:         0:         0          0          0          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  :                 71.5       57.6       93.7       79.4       71.2       57.6       91.4       79.4
Old  :                 71.5       57.6       93.7       79.4       71.2       57.6       91.4       79.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A58
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    56,449:    38,561     48,597      8,701      1,225      4,385      1,275        190          0      3,395      1,410        132:        0       510
Old  :    56,449:    38,561     48,597      8,701      1,225      4,385      1,275        190          0      3,395      1,410        132:        0       510
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :        43:        43         43          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      68.3       86.1       15.4        2.2        7.8        2.3        0.3        0.0        6.0        2.5        0.2:      0.0       0.9
Old  :     100.0:      68.3       86.1       15.4        2.2        7.8        2.3        0.3        0.0        6.0        2.5        0.2:      0.0       0.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        33:        19         15          5          .          .          .          .          0          .          .          .:
Old  :        33:        19         15          5          .          .          .          .          0          .          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 51.9       61.2       68.0       76.2       45.1       59.9       58.0       68.3
Old  :                 51.9       61.2       68.0       76.2       45.1       59.9       58.0       68.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A59
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  : 1,118,666:   900,695    895,516     94,466     45,885     92,600      1,500          0          0     29,405     84,665          0:        0         0
Old  : 1,118,666:   900,695    895,516     94,466     45,885     92,600      1,500          0          0     29,405     84,665          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      80.5       80.1        8.4        4.1        8.3        0.1        0.0        0.0        2.6        7.6        0.0:      0.0       0.0
Old  :     100.0:      80.5       80.1        8.4        4.1        8.3        0.1        0.0        0.0        2.6        7.6        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        39:        19         20          4          .          4          .          0          0          .          .          0:
Old  :        39:        19         20          4          .          4          .          0          0          .          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 48.5       53.4       66.3       73.1       46.7       50.6       61.2       67.9
Old  :                 48.5       53.4       66.3       73.1       46.7       50.6       61.2       67.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A60
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    47,816:    37,241     30,446      2,855      9,326      7,654          0          0          0          0         92          0:       66       298
Old  :    47,816:    37,241     30,446      2,855      9,326      7,654          0          0          0          0         92          0:       66       298
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :    -1,275:         0          0          0     -1,275          0     -1,020          0       -255          0          0          0:        0       255
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      77.9       63.7        6.0       19.5       16.0        0.0        0.0        0.0        0.0        0.2        0.0:      0.1       0.6
Old  :     100.0:      77.9       63.7        6.0       19.5       16.0        0.0        0.0        0.0        0.0        0.2        0.0:      0.1       0.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        25:        16         12          .          4          .          0          0          0          0          .          0:
Old  :        25:        16         12          .          4          .          0          0          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 58.2       50.4       81.9       77.9       37.7       36.5       52.0       48.2
Old  :                 58.2       50.4       81.9       77.9       37.7       36.5       52.0       48.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A63
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    39,139:    18,781     32,793     19,034      2,550        856          0          0          0          0      2,556        170:      298       214
Old  :    39,139:    18,781     32,793     19,034      2,550        856          0          0          0          0      2,556        170:      298       214
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :    10,200:         0     10,200     10,200          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      48.0       83.8       48.6        6.5        2.2        0.0        0.0        0.0        0.0        6.5        0.4:      0.8       0.5
Old  :     100.0:      48.0       83.8       48.6        6.5        2.2        0.0        0.0        0.0        0.0        6.5        0.4:      0.8       0.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:        11          9          .          .          .          0          0          0          0          .          .:
Old  :        20:        11          9          .          .          .          0          0          0          0          .          .:
Other:         0:         0          0          0          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  :                 81.0       76.9       91.9       92.2       76.6       69.4       83.6       83.3
Old  :                 81.0       76.9       91.9       92.2       76.6       69.4       83.6       83.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A68
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    18,128:    11,019     10,751      3,871      4,886      1,831          0         86          0        510          0          0:      897       574
Old  :    18,128:    11,019     10,751      3,871      4,886      1,831          0         86          0        510          0          0:      897       574
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :         0:         0          0        230          0          0          0          0          0          0          0          0:     -230         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      60.8       59.3       21.4       27.0       10.1        0.0        0.5        0.0        2.8        0.0        0.0:      4.9       3.2
Old  :     100.0:      60.8       59.3       21.4       27.0       10.1        0.0        0.5        0.0        2.8        0.0        0.0:      4.9       3.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        22:        11          9          .          .          .          0          .          0          .          0          0:
Old  :        22:        11          9          .          .          .          0          .          0          .          0          0:
Other:         0:         0          0          0          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  :                 50.6       64.3       74.5       86.3       48.1       53.2       62.4       69.3
Old  :                 50.6       64.3       74.5       86.3       48.1       53.2       62.4       69.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A78
Disaggregated Commitments of Traders - Futures Only, March 8, 2011                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  :   940,343:   782,108    554,236          0    199,677    154,235          0     19,600          0          0      8,595      4,000:        0         0
Old  :   940,343:   782,108    554,236          0    199,677    154,235          0     19,600          0          0      8,595      4,000:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 1, 2011                                                                    :
     :      -401:      -401       -401          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      83.2       58.9        0.0       21.2       16.4        0.0        2.1        0.0        0.0        0.9        0.4:      0.0       0.0
Old  :     100.0:      83.2       58.9        0.0       21.2       16.4        0.0        2.1        0.0        0.0        0.9        0.4:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        30:        16         16          0          5          .          0          .          0          0          .          .:
Old  :        30:        16         16          0          5          .          0          .          0          0          .          .:
Other:         0:         0          0          0          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  :                 60.1       55.6       84.0       76.4       33.9       29.2       45.0       38.1
Old  :                 60.1       55.6       84.0       76.4       33.9       29.2       45.0       38.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

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Updated March 11, 2011