```
CENTRAL APPALACHIAN COAL - NEW YORK MERCANTILE EXCHANGE                                                                                          Code-024651
Disaggregated Commitments of Traders - Options and Futures Combined, March 15, 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  :     7,880:     6,865      5,831         30      1,109        383          0        180          0        330          0          0:      272       376
Old  :     7,880:     6,865      5,831         30      1,109        383          0        180          0        330          0          0:      272       376
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 8, 2011                                                                    :
     :        13:       120         39        -75       -117         20          0        180          0        -60          0          0:        8      -109
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      87.1       74.0        0.4       14.1        4.9        0.0        2.3        0.0        4.2        0.0        0.0:      3.5       4.8
Old  :     100.0:      87.1       74.0        0.4       14.1        4.9        0.0        2.3        0.0        4.2        0.0        0.0:      3.5       4.8
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:        15         15          .          .          .          0          .          0          .          0          0:
Old  :        24:        15         15          .          .          .          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  :                 60.0       39.6       75.1       68.6       42.3       32.9       51.4       53.4
Old  :                 60.0       39.6       75.1       68.6       42.3       32.9       51.4       53.4
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 - Options and Futures Combined, March 15, 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  :   187,941:    93,075     95,837      5,572      8,226     59,356      5,590      3,336     18,030         74        209        611:    5,632     2,335
Old  :   187,941:    93,075     95,837      5,572      8,226     59,356      5,590      3,336     18,030         74        209        611:    5,632     2,335
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 8, 2011                                                                    :
     :      -188:    -1,314     -2,126       -263        315        667        303      1,768       -562        -28         -4        -14:    1,024      -231
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      49.5       51.0        3.0        4.4       31.6        3.0        1.8        9.6        0.0        0.1        0.3:      3.0       1.2
Old  :     100.0:      49.5       51.0        3.0        4.4       31.6        3.0        1.8        9.6        0.0        0.1        0.3:      3.0       1.2
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  :        46:        26         21          5          4          8          .          .          4          .          .          .:
Old  :        46:        26         21          5          4          8          .          .          4          .          .          .:
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  :                 45.1       53.6       75.6       85.5        8.5       12.4       11.6       15.1
Old  :                 45.1       53.6       75.6       85.5        8.5       12.4       11.6       15.1
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 - Options and Futures Combined, March 15, 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  :    22,754:    12,065     12,701      3,377      2,944      4,221        627        120      1,290          0        398         38:    1,136     1,042
Old  :    22,754:    12,065     12,701      3,377      2,944      4,221        627        120      1,290          0        398         38:    1,136     1,042
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 8, 2011                                                                    :
     :     4,453:       819        717        254      1,039      1,594        556       -248      1,231          0          0          0:       -0       120
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      53.0       55.8       14.8       12.9       18.6        2.8        0.5        5.7        0.0        1.7        0.2:      5.0       4.6
Old  :     100.0:      53.0       55.8       14.8       12.9       18.6        2.8        0.5        5.7        0.0        1.7        0.2:      5.0       4.6
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  :        26:        14         11          4          .          4          .          .          .          0          .          .:
Old  :        26:        14         11          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  :                 48.1       57.1       67.5       77.5       35.0       36.1       45.2       49.0
Old  :                 48.1       57.1       67.5       77.5       35.0       36.1       45.2       49.0
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 - Options and Futures Combined, March 15, 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  :    30,084:    20,696     11,769      1,552      9,371      4,506          0      2,120          0        104      1,122        220:    3,006       976
Old  :    30,084:    20,696     11,769      1,552      9,371      4,506          0      2,120          0        104      1,122        220:    3,006       976
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 8, 2011                                                                    :
     :       -52:       -54          2          0          0          0          0          0          0          0         16          0:        2       -70
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      68.8       39.1        5.2       31.1       15.0        0.0        7.0        0.0        0.3        3.7        0.7:     10.0       3.2
Old  :     100.0:      68.8       39.1        5.2       31.1       15.0        0.0        7.0        0.0        0.3        3.7        0.7:     10.0       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  :        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  :                 38.5       53.9       60.0       77.1       25.0       47.5       41.2       55.9
Old  :                 38.5       53.9       60.0       77.1       25.0       47.5       41.2       55.9
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 - Options and Futures Combined, March 15, 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  :    10,796:     7,876      7,232        914      1,822        502          0          0          0          0        424          0:    1,504       816
Old  :    10,796:     7,876      7,232        914      1,822        502          0          0          0          0        424          0:    1,504       816
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 8, 2011                                                                    :
     :        18:        56          0        -48        -10         10          0          0          0          0         18          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      73.0       67.0        8.5       16.9        4.6        0.0        0.0        0.0        0.0        3.9        0.0:     13.9       7.6
Old  :     100.0:      73.0       67.0        8.5       16.9        4.6        0.0        0.0        0.0        0.0        3.9        0.0:     13.9       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       50.2       70.4       80.0       48.6       44.8       69.3       72.3
Old  :                 49.2       50.2       70.4       80.0       48.6       44.8       69.3       72.3
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 - Options and Futures Combined, March 15, 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  :    32,039:    21,159     19,567      1,728      3,392      6,670          0      1,121        492          0          0          0:    1,990       798
Old  :    32,039:    21,159     19,567      1,728      3,392      6,670          0      1,121        492          0          0          0:    1,990       798
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 8, 2011                                                                    :
     :      -482:      -254       -185         37        -12       -232          0        -65         12          0          0          0:      -44         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      66.0       61.1        5.4       10.6       20.8        0.0        3.5        1.5        0.0        0.0        0.0:      6.2       2.5
Old  :     100.0:      66.0       61.1        5.4       10.6       20.8        0.0        3.5        1.5        0.0        0.0        0.0:      6.2       2.5
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  :        24:        16         14          .          .          4          0          .          .          0          0          0:
Old  :        24:        16         14          .          .          4          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  :                 59.6       63.2       80.1       82.3       27.9       38.0       37.2       42.8
Old  :                 59.6       63.2       80.1       82.3       27.9       38.0       37.2       42.8
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 - Options and Futures Combined, March 15, 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 8, 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 - Options and Futures Combined, March 15, 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  :   686,181:   637,693    467,504     43,416    205,765      5,072          0          0          0          0      7,840          0:        0         0
Old  :   686,181:   637,693    467,504     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 8, 2011                                                                    :
     :     1,152:     1,152      1,152          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  :                 87.3       76.3       95.4       96.2       87.3       75.1       95.4       95.0
Old  :                 87.3       76.3       95.4       96.2       87.3       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 - Options and Futures Combined, March 15, 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  :    62,052:    32,216     40,024     27,292     19,274      2,544          0          0          0          0        210          0:        0         0
Old  :    62,052:    32,216     40,024     27,292     19,274      2,544          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 8, 2011                                                                    :
     :        42:        42          0        -42          0         42          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      51.9       64.5       44.0       31.1        4.1        0.0        0.0        0.0        0.0        0.3        0.0:      0.0       0.0
Old  :     100.0:      51.9       64.5       44.0       31.1        4.1        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       80.7       87.9
Old  :                 63.4       80.5       81.8       93.6       63.4       79.7       80.7       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 - Options and Futures Combined, March 15, 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 8, 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 - Options and Futures Combined, March 15, 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  :   187,886:   100,993    145,835     83,342     39,206      2,635          0          0          0        706          0        210:        0         0
Old  :   187,886:   100,993    145,835     83,342     39,206      2,635          0          0          0        706          0        210:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 8, 2011                                                                    :
     :       272:      -200        272         42          0          0          0          0          0        430          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      53.8       77.6       44.4       20.9        1.4        0.0        0.0        0.0        0.4        0.0        0.1:      0.0       0.0
Old  :     100.0:      53.8       77.6       44.4       20.9        1.4        0.0        0.0        0.0        0.4        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         22          .          5          .          0          0          0          .          0          .:
Old  :        38:        16         22          .          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  :                 69.3       55.0       91.5       76.4       69.3       55.0       88.6       76.4
Old  :                 69.3       55.0       91.5       76.4       69.3       55.0       88.6       76.4
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 - Options and Futures Combined, March 15, 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  : 3,292,683: 1,833,074  2,589,810  1,412,643    655,907     46,966          0          0          0          0          0          0:        0         0
Old  : 3,292,683: 1,833,074  2,589,810  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 8, 2011                                                                    :
     :    -2,040:    -2,040     -2,040          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  :                 71.6       57.7       93.8       79.5       71.2       57.7       91.4       79.5
Old  :                 71.6       57.7       93.8       79.5       71.2       57.7       91.4       79.5
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 - Options and Futures Combined, March 15, 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  :    56,491:    38,603     48,639      8,701      1,225      4,385      1,275        190          0      3,395      1,410        132:        0       510
Old  :    56,491:    38,603     48,639      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 8, 2011                                                                    :
     :        42:        42         42          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       76.1       45.1       59.8       58.0       68.2
Old  :                 51.9       61.2       68.0       76.1       45.1       59.8       58.0       68.2
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 - Options and Futures Combined, March 15, 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 8, 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 - Options and Futures Combined, March 15, 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  :    48,771:    38,196     31,401      2,855      9,326      7,654          0          0          0          0         92          0:       66       298
Old  :    48,771:    38,196     31,401      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 8, 2011                                                                    :
     :       955:       955        955          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      78.3       64.4        5.9       19.1       15.7        0.0        0.0        0.0        0.0        0.2        0.0:      0.1       0.6
Old  :     100.0:      78.3       64.4        5.9       19.1       15.7        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  :        26:        17         12          .          4          .          0          0          0          0          .          0:
Old  :        26:        17         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  :                 57.0       49.4       80.3       78.4       37.0       35.8       51.0       49.2
Old  :                 57.0       49.4       80.3       78.4       37.0       35.8       51.0       49.2
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 - Options and Futures Combined, March 15, 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 8, 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:      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 - Options and Futures Combined, March 15, 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  :    34,352:    24,711     26,537      5,484      4,405      2,750          0         86          0        510          0          0:      897       574
Old  :    34,352:    24,711     26,537      5,484      4,405      2,750          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 8, 2011                                                                    :
     :       -61:      -199       -107         92          0         46          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      71.9       77.2       16.0       12.8        8.0        0.0        0.3        0.0        1.5        0.0        0.0:      2.6       1.7
Old  :     100.0:      71.9       77.2       16.0       12.8        8.0        0.0        0.3        0.0        1.5        0.0        0.0:      2.6       1.7
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          4          .          .          0          .          0          .          0          0:
Old  :        22:        11          9          4          .          .          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  :                 62.2       80.0       84.0       92.8       42.7       59.3       56.5       64.5
Old  :                 62.2       80.0       84.0       92.8       42.7       59.3       56.5       64.5
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 - Options and Futures Combined, March 15, 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  :   956,916:   798,681    570,809          0    199,677    154,235          0     19,600          0          0      8,595      4,000:        0         0
Old  :   956,916:   798,681    570,809          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 8, 2011                                                                    :
     :    16,573:    16,573     16,573          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      83.5       59.7        0.0       20.9       16.1        0.0        2.0        0.0        0.0        0.9        0.4:      0.0       0.0
Old  :     100.0:      83.5       59.7        0.0       20.9       16.1        0.0        2.0        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  :        31:        17         16          0          5          .          0          .          0          0          .          .:
Old  :        31:        17         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  :                 59.0       56.4       82.4       76.8       33.3       28.7       44.2       37.5
Old  :                 59.0       56.4       82.4       76.8       33.3       28.7       44.2       37.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL HUB 5 OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A79
Disaggregated Commitments of Traders - Options and Futures Combined, March 15, 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  :   730,080:   368,784    588,651    254,640    122,928      4,656     47,040          0          0     41,115          0     13,845:        0         0
Old  :   730,080:   368,784    588,651    254,640    122,928      4,656     47,040          0          0     41,115          0     13,845:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 8, 2011                                                                    :
     :         .:         .          .          .          .          .          .          .          .          .          .          .:        .         .
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      50.5       80.6       34.9       16.8        0.6        6.4        0.0        0.0        5.6        0.0        1.9:      0.0       0.0
Old  :     100.0:      50.5       80.6       34.9       16.8        0.6        6.4        0.0        0.0        5.6        0.0        1.9:      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  :        20:        11          6          .          .          .          .          0          0          .          0          .:
Old  :        20:        11          6          .          .          .          .          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  :                 69.2       88.3       92.5       99.2       62.8       74.8       77.5       81.5
Old  :                 69.2       88.3       92.5       99.2       62.8       74.8       77.5       81.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated March 18, 2011