```
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064657
Disaggregated Commitments of Traders - Options and Futures Combined, September 27, 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  :   200,048:    80,499     79,948      2,445     19,922     74,444     19,643      4,133     20,068        461         39        454:    2,034     1,040
Old  :   200,048:    80,499     79,948      2,445     19,922     74,444     19,643      4,133     20,068        461         39        454:    2,034     1,040
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :     2,100:       -85      1,349        564     -1,289      1,274        422        942       -140         22        -15         -2:       45       -18
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      40.2       40.0        1.2       10.0       37.2        9.8        2.1       10.0        0.2        0.0        0.2:      1.0       0.5
Old  :     100.0:      40.2       40.0        1.2       10.0       37.2        9.8        2.1       10.0        0.2        0.0        0.2:      1.0       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  :        40:        23         22          4          5          9          .          .          .          .          .          .:
Old  :        40:        23         22          4          5          9          .          .          .          .          .          .:
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  :                 44.0       49.6       74.4       81.0       14.1       13.3       17.1       19.7
Old  :                 44.0       49.6       74.4       81.0       14.1       13.3       17.1       19.7
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, September 27, 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  :    25,615:    13,579     13,876      2,689      2,009      5,460          0        137      2,205          0        884          0:    1,682     1,044
Old  :    25,615:    13,579     13,876      2,689      2,009      5,460          0        137      2,205          0        884          0:    1,682     1,044
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :      -369:       -36        -66          2        -76       -183       -127         17        -65          0          0          0:       40         4
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      53.0       54.2       10.5        7.8       21.3        0.0        0.5        8.6        0.0        3.5        0.0:      6.6       4.1
Old  :     100.0:      53.0       54.2       10.5        7.8       21.3        0.0        0.5        8.6        0.0        3.5        0.0:      6.6       4.1
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  :        29:        16         16          4          .          5          0          .          .          0          .          0:
Old  :        29:        16         16          4          .          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  :                 47.9       50.3       73.0       72.0       31.8       24.4       38.2       35.1
Old  :                 47.9       50.3       73.0       72.0       31.8       24.4       38.2       35.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-06465I
Disaggregated Commitments of Traders - Options and Futures Combined, September 27, 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  :    10,370:     6,791      5,772        218      2,105        526        120        720        150        557        128         44:    1,964       926
Old  :    10,370:     6,791      5,772        218      2,105        526        120        720        150        557        128         44:    1,964       926
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :        60:       119        -27          0        167        -79          0          0          0         20          0          0:        0        -0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      65.5       55.7        2.1       20.3        5.1        1.2        6.9        1.4        5.4        1.2        0.4:     18.9       8.9
Old  :     100.0:      65.5       55.7        2.1       20.3        5.1        1.2        6.9        1.4        5.4        1.2        0.4:     18.9       8.9
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  :        23:        14         10          .          4          .          .          .          .          .          .          .:
Old  :        23:        14         10          .          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  :                 31.8       58.8       52.3       77.0       27.7       48.4       43.1       60.1
Old  :                 31.8       58.8       52.3       77.0       27.7       48.4       43.1       60.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AEP DAYTON CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-06465K
Disaggregated Commitments of Traders - Options and Futures Combined, September 27, 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  :    11,709:     6,707      6,664      1,248        502      1,910          4        276        296        264          0        202:    1,078     1,859
Old  :    11,709:     6,707      6,664      1,248        502      1,910          4        276        296        264          0        202:    1,078     1,859
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :       212:        20        160          0        240       -240         -1          0          0         68          0          0:      364        52
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      57.3       56.9       10.7        4.3       16.3        0.0        2.4        2.5        2.3        0.0        1.7:      9.2      15.9
Old  :     100.0:      57.3       56.9       10.7        4.3       16.3        0.0        2.4        2.5        2.3        0.0        1.7:      9.2      15.9
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  :        20:         9         11          .          .          .          .          .          .          .          0          .:
Old  :        20:         9         11          .          .          .          .          .          .          .          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  :                 45.5       41.6       75.7       67.3       38.9       29.7       52.4       42.1
Old  :                 45.5       41.6       75.7       67.3       38.9       29.7       52.4       42.1
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 - Options and Futures Combined, September 27, 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  :    26,486:    17,288     10,220      1,870      8,248      3,208          0      2,810          0      1,142          0        392:    2,586     1,608
Old  :    26,486:    17,288     10,220      1,870      8,248      3,208          0      2,810          0      1,142          0        392:    2,586     1,608
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :      -456:       410        -10          0       -192          0       -960       -240          0        190          0          6:     -102       -20
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      65.3       38.6        7.1       31.1       12.1        0.0       10.6        0.0        4.3        0.0        1.5:      9.8       6.1
Old  :     100.0:      65.3       38.6        7.1       31.1       12.1        0.0       10.6        0.0        4.3        0.0        1.5:      9.8       6.1
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         14          .          .          6          0          .          0          .          0          .:
Old  :        25:        16         14          .          .          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  :                 41.5       56.2       60.8       77.9       21.0       49.9       34.9       53.9
Old  :                 41.5       56.2       60.8       77.9       21.0       49.9       34.9       53.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AEP DAYTON OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-06465O
Disaggregated Commitments of Traders - Options and Futures Combined, September 27, 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  :    11,546:     8,176      5,666        692      3,144      1,260          0          0          0        382          0         48:      988     1,428
Old  :    11,546:     8,176      5,666        692      3,144      1,260          0          0          0        382          0         48:      988     1,428
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :       -26:       -50        -30          0          0          0          0          0          0         20          0          0:        4         4
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      70.8       49.1        6.0       27.2       10.9        0.0        0.0        0.0        3.3        0.0        0.4:      8.6      12.4
Old  :     100.0:      70.8       49.1        6.0       27.2       10.9        0.0        0.0        0.0        3.3        0.0        0.4:      8.6      12.4
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:        10         11          .          .          4          0          0          0          .          0          .:
Old  :        20:        10         11          .          .          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  :                 52.0       65.1       74.8       81.4       41.4       43.3       53.0       52.5
Old  :                 52.0       65.1       74.8       81.4       41.4       43.3       53.0       52.5
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, September 27, 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  :    11,210:     8,258      6,990        928      1,270        752          0        502        330          0        302          0:      942     1,064
Old  :    11,210:     8,258      6,990        928      1,270        752          0        502        330          0        302          0:      942     1,064
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :        20:       296         20          0          0          0          0          0          0          0          0          0:     -276         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      73.7       62.4        8.3       11.3        6.7        0.0        4.5        2.9        0.0        2.7        0.0:      8.4       9.5
Old  :     100.0:      73.7       62.4        8.3       11.3        6.7        0.0        4.5        2.9        0.0        2.7        0.0:      8.4       9.5
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:        17         12          .          .          4          0          .          .          0          .          0:
Old  :        24:        17         12          .          .          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  :                 46.1       45.8       67.1       70.6       44.5       38.2       63.2       59.0
Old  :                 46.1       45.8       67.1       70.6       44.5       38.2       63.2       59.0
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, September 27, 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  :    53,644:    46,402     40,280      1,953     10,352      2,655          0          0          0      2,193          0        357:       84         0
Old  :    53,644:    46,402     40,280      1,953     10,352      2,655          0          0          0      2,193          0        357:       84         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :       127:       127         43          0          0          0          0          0          0        -84          0         84:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      86.5       75.1        3.6       19.3        4.9        0.0        0.0        0.0        4.1        0.0        0.7:      0.2       0.0
Old  :     100.0:      86.5       75.1        3.6       19.3        4.9        0.0        0.0        0.0        4.1        0.0        0.7:      0.2       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:        14         11          .          .          .          0          0          0          .          0          .:
Old  :        27:        14         11          .          .          .          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  :                 69.1       82.4       86.0       96.0       69.1       77.7       82.9       89.4
Old  :                 69.1       82.4       86.0       96.0       69.1       77.7       82.9       89.4
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, September 27, 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  :   789,359:   666,607    552,757     37,187    183,187     52,647          0          0          0     32,150          0        768:        0         0
Old  :   789,359:   666,607    552,757     37,187    183,187     52,647          0          0          0     32,150          0        768:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :     4,371:       768          0       -768      6,005        768          0          0          0      6,005          0     -2,402:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      84.4       70.0        4.7       23.2        6.7        0.0        0.0        0.0        4.1        0.0        0.1:      0.0       0.0
Old  :     100.0:      84.4       70.0        4.7       23.2        6.7        0.0        0.0        0.0        4.1        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  :        26:        12          9          .          .          .          0          0          0          .          0          .:
Old  :        26:        12          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  :                 73.4       76.9       90.4       95.2       72.1       67.0       84.4       85.3
Old  :                 73.4       76.9       90.4       95.2       72.1       67.0       84.4       85.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PPL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A53
Disaggregated Commitments of Traders - Options and Futures Combined, September 27, 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  :   332,964:   294,134    267,450      3,170     56,106          0          0          0          0     26,252          0      9,408:        0         0
Old  :   332,964:   294,134    267,450      3,170     56,106          0          0          0          0     26,252          0      9,408:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 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:      88.3       80.3        1.0       16.9        0.0        0.0        0.0        0.0        7.9        0.0        2.8:      0.0       0.0
Old  :     100.0:      88.3       80.3        1.0       16.9        0.0        0.0        0.0        0.0        7.9        0.0        2.8:      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  :        22:         8          9          .          .          0          0          0          0          .          0          .:
Old  :        22:         8          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  :                 76.5       73.2       97.5       95.4       60.9       68.5       80.6       81.1
Old  :                 76.5       73.2       97.5       95.4       60.9       68.5       80.6       81.1
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, September 27, 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  :    43,175:    24,837     29,471     15,798     11,164      2,540          0          0          0          0          0          0:        0         0
Old  :    43,175:    24,837     29,471     15,798     11,164      2,540          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:       September 20, 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:      57.5       68.3       36.6       25.9        5.9        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      57.5       68.3       36.6       25.9        5.9        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:        10         10          4          .          .          0          0          0          0          0          0:
Old  :        23:        10         10          4          .          .          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  :                 62.9       81.5       87.1       95.9       62.9       81.5       81.5       88.2
Old  :                 62.9       81.5       87.1       95.9       62.9       81.5       81.5       88.2
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, September 27, 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  :   797,410:   470,167    548,770    282,368    203,765     44,875          0          0          0          0          0          0:        0         0
Old  :   797,410:   470,167    548,770    282,368    203,765     44,875          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:       September 20, 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:      59.0       68.8       35.4       25.6        5.6        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      59.0       68.8       35.4       25.6        5.6        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  :        22:        11          9          .          .          .          0          0          0          0          0          0:
Old  :        22:        11          9          .          .          .          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  :                 61.8       80.7       87.4       97.6       61.8       79.2       81.6       86.7
Old  :                 61.8       80.7       87.4       97.6       61.8       79.2       81.6       86.7
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, September 27, 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  :   138,705:    76,481    112,988     57,184     22,768      2,025          0          0          0      1,900          0        924:      191         0
Old  :   138,705:    76,481    112,988     57,184     22,768      2,025          0          0          0      1,900          0        924:      191         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :         0:         0          0          0          0          0          0          0          0        315          0          0:     -315         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      55.1       81.5       41.2       16.4        1.5        0.0        0.0        0.0        1.4        0.0        0.7:      0.1       0.0
Old  :     100.0:      55.1       81.5       41.2       16.4        1.5        0.0        0.0        0.0        1.4        0.0        0.7:      0.1       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  :        37:        15         19          .          4          .          0          0          0          .          0          .:
Old  :        37:        15         19          .          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  :                 66.6       50.0       89.6       71.3       66.6       50.0       85.8       71.2
Old  :                 66.6       50.0       89.6       71.3       66.6       50.0       85.8       71.2
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, September 27, 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  : 2,405,754: 1,309,681  1,947,158  1,047,696    389,672     26,454          0          0          0      3,965     24,512     17,958:        0         0
Old  : 2,405,754: 1,309,681  1,947,158  1,047,696    389,672     26,454          0          0          0      3,965     24,512     17,958:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :     1,925:     3,965     -7,930     -2,040          0          0          0          0          0          0      9,855          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      54.4       80.9       43.5       16.2        1.1        0.0        0.0        0.0        0.2        1.0        0.7:      0.0       0.0
Old  :     100.0:      54.4       80.9       43.5       16.2        1.1        0.0        0.0        0.0        0.2        1.0        0.7:      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  :        41:        14         22          .          5          .          0          0          0          .          .          .:
Old  :        41:        14         22          .          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  :                 69.4       52.4       92.1       75.0       68.4       52.4       89.7       75.0
Old  :                 69.4       52.4       92.1       75.0       68.4       52.4       89.7       75.0
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, September 27, 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  :    43,696:    28,895     36,134      7,867      2,133      2,352        645        820        630      2,587        907        720:        0         0
Old  :    43,696:    28,895     36,134      7,867      2,133      2,352        645        820        630      2,587        907        720:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :       510:         0        510        510          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      66.1       82.7       18.0        4.9        5.4        1.5        1.9        1.4        5.9        2.1        1.6:      0.0       0.0
Old  :     100.0:      66.1       82.7       18.0        4.9        5.4        1.5        1.9        1.4        5.9        2.1        1.6:      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  :        37:        20         16          5          .          .          .          .          .          .          .          .:
Old  :        37:        20         16          5          .          .          .          .          .          .          .          .:
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  :                 46.8       60.1       68.1       77.1       44.5       59.2       59.3       70.2
Old  :                 46.8       60.1       68.1       77.1       44.5       59.2       59.3       70.2
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, September 27, 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  : 1,137,199:   923,396    651,401     53,472    338,272    100,161     23,520     23,520          0     23,400     10,595     13,250:        0         0
Old  : 1,137,199:   923,396    651,401     53,472    338,272    100,161     23,520     23,520          0     23,400     10,595     13,250:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :     4,872:    -2,448      9,360      9,360     -2,040          0          0          0          0       -210       -618     -1,830:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      81.2       57.3        4.7       29.7        8.8        2.1        2.1        0.0        2.1        0.9        1.2:      0.0       0.0
Old  :     100.0:      81.2       57.3        4.7       29.7        8.8        2.1        2.1        0.0        2.1        0.9        1.2:      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:        19         12          .          4          5          .          .          0          .          .          .:
Old  :        36:        19         12          .          4          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  :                 42.0       60.1       63.8       80.9       41.2       56.9       62.0       76.3
Old  :                 42.0       60.1       63.8       80.9       41.2       56.9       62.0       76.3
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, September 27, 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  :    50,081:    44,940     34,181      2,205     11,602      2,663          0          0          0          0      1,191        189:       84       255
Old  :    50,081:    44,940     34,181      2,205     11,602      2,663          0          0          0          0      1,191        189:       84       255
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :      -210:      -210       -210          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      89.7       68.3        4.4       23.2        5.3        0.0        0.0        0.0        0.0        2.4        0.4:      0.2       0.5
Old  :     100.0:      89.7       68.3        4.4       23.2        5.3        0.0        0.0        0.0        0.0        2.4        0.4:      0.2       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  :        28:        16         14          .          4          .          0          0          0          0          .          .:
Old  :        28:        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  :                 57.9       54.8       77.3       78.8       50.5       45.4       65.8       66.8
Old  :                 57.9       54.8       77.3       78.8       50.5       45.4       65.8       66.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MW IND TR REAL TIME PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A61
Disaggregated Commitments of Traders - Options and Futures Combined, September 27, 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  :    19,480:    13,549     11,877      4,539      1,530        126          0      5,226          0        650        105        616:        0         0
Old  :    19,480:    13,549     11,877      4,539      1,530        126          0      5,226          0        650        105        616:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :     3,951:     3,951          0          0          0          0          0      3,951          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      69.6       61.0       23.3        7.9        0.6        0.0       26.8        0.0        3.3        0.5        3.2:      0.0       0.0
Old  :     100.0:      69.6       61.0       23.3        7.9        0.6        0.0       26.8        0.0        3.3        0.5        3.2:      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  :        21:         9          6          .          .          .          0          .          0          .          .          .:
Old  :        21:         9          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  :                 69.1       78.7       90.4       97.1       68.5       76.1       86.5       93.0
Old  :                 69.1       78.7       90.4       97.1       68.5       76.1       86.5       93.0
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, September 27, 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  :    39,582:    21,021     31,512     17,259      2,550        336          0        645        630          0      3,657        168:      168        84
Old  :    39,582:    21,021     31,512     17,259      2,550        336          0        645        630          0      3,657        168:      168        84
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :        84:         0         84          0          0          0          0          0          0          0        -84         84:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      53.1       79.6       43.6        6.4        0.8        0.0        1.6        1.6        0.0        9.2        0.4:      0.4       0.2
Old  :     100.0:      53.1       79.6       43.6        6.4        0.8        0.0        1.6        1.6        0.0        9.2        0.4:      0.4       0.2
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  :        24:        12         10          .          .          .          0          .          .          0          .          .:
Old  :        24:        12         10          .          .          .          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  :                 75.9       65.9       91.4       88.4       66.1       49.0       74.0       70.2
Old  :                 75.9       65.9       91.4       88.4       66.1       49.0       74.0       70.2
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, September 27, 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  :    22,594:    14,477     11,579      4,386      7,766      2,776          0        263        189        510          0          0:      255        21
Old  :    22,594:    14,477     11,579      4,386      7,766      2,776          0        263        189        510          0          0:      255        21
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :        -9:       -22         30        -15        -25         27          0        -42          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      64.1       51.2       19.4       34.4       12.3        0.0        1.2        0.8        2.3        0.0        0.0:      1.1       0.1
Old  :     100.0:      64.1       51.2       19.4       34.4       12.3        0.0        1.2        0.8        2.3        0.0        0.0:      1.1       0.1
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         10          .          .          .          0          .          .          .          0          0:
Old  :        22:        11         10          .          .          .          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  :                 54.7       63.7       78.4       85.5       38.6       54.9       60.0       68.0
Old  :                 54.7       63.7       78.4       85.5       38.6       54.9       60.0       68.0
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, September 27, 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  :   946,259:   843,350    572,560          0    257,444     73,220     23,400      7,925          0      1,536     30,357      4,753:        0         0
Old  :   946,259:   843,350    572,560          0    257,444     73,220     23,400      7,925          0      1,536     30,357      4,753:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :     7,750:     7,750          0          0          0          0          0          0          0          0      7,750          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      89.1       60.5        0.0       27.2        7.7        2.5        0.8        0.0        0.2        3.2        0.5:      0.0       0.0
Old  :     100.0:      89.1       60.5        0.0       27.2        7.7        2.5        0.8        0.0        0.2        3.2        0.5:      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  :        32:        18         15          0          5          .          .          .          0          .          .          .:
Old  :        32:        18         15          0          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  :                 55.8       60.7       78.1       81.3       37.9       38.5       52.7       53.7
Old  :                 55.8       60.7       78.1       81.3       37.9       38.5       52.7       53.7
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, September 27, 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  :   880,466:   353,534    747,242    353,580     70,092     47,952     47,040          0          0     63,180          0     15,180:        0         0
Old  :   880,466:   353,534    747,242    353,580     70,092     47,952     47,040          0          0     63,180          0     15,180:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :     6,005:         0          0      6,005          0          0          0          0          0     -6,005          0      6,005:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      40.2       84.9       40.2        8.0        5.4        5.3        0.0        0.0        7.2        0.0        1.7:      0.0       0.0
Old  :     100.0:      40.2       84.9       40.2        8.0        5.4        5.3        0.0        0.0        7.2        0.0        1.7:      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:        13          7          .          .          .          .          0          0          .          0          .:
Old  :        24:        13          7          .          .          .          .          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  :                 72.1       85.2       90.0       96.5       58.2       67.3       68.4       72.6
Old  :                 72.1       85.2       90.0       96.5       58.2       67.3       68.4       72.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NYISO ZONE A 5MW OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A82
Disaggregated Commitments of Traders - Options and Futures Combined, September 27, 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  :   140,556:   135,768     74,662      3,170     58,271      1,618          0          0          0          0      6,005          0:        0         0
Old  :   140,556:   135,768     74,662      3,170     58,271      1,618          0          0          0          0      6,005          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 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:      96.6       53.1        2.3       41.5        1.2        0.0        0.0        0.0        0.0        4.3        0.0:      0.0       0.0
Old  :     100.0:      96.6       53.1        2.3       41.5        1.2        0.0        0.0        0.0        0.0        4.3        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  :        20:         9          8          .          .          .          0          0          0          0          .          0:
Old  :        20:         9          8          .          .          .          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  :                 74.4       73.3       94.3       94.0       74.4       67.8       90.9       88.6
Old  :                 74.4       73.3       94.3       94.0       74.4       67.8       90.9       88.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM ELEC OPT ON CALENDAR STRIP - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064B47
Disaggregated Commitments of Traders - Options and Futures Combined, September 27, 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  :     8,830:     2,618      3,402      2,445         46      2,882          0      1,481        780          0         96         74:       31        69
Old  :     8,830:     2,618      3,402      2,445         46      2,882          0      1,481        780          0         96         74:       31        69
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       September 20, 2011                                                               :
     :         9:       -58        -75        -69         46        122          0       -134         56          0          8        -21:      -22         5
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      29.7       38.5       27.7        0.5       32.6        0.0       16.8        8.8        0.0        1.1        0.8:      0.4       0.8
Old  :     100.0:      29.7       38.5       27.7        0.5       32.6        0.0       16.8        8.8        0.0        1.1        0.8:      0.4       0.8
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  :        20:         7         10          5          .          6          0          .          .          0          .          .:
Old  :        20:         7         10          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  :                 58.1       48.8       81.7       72.0       29.4       27.4       32.5       31.1
Old  :                 58.1       48.8       81.7       72.0       29.4       27.4       32.5       31.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated September 30, 2011