```
PJM WH REAL TIME PEAK OTC - ICE OTC                                                                                                              Code-064363
Disaggregated Commitments of Traders - Futures Only, December 6, 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 800 MWh)                                                                                                  :
     :          :    Positions                                                                                                           :
All  :   157,297:    82,023    100,820     11,348     21,821     13,047     21,432        693     16,077      8,116          0      3,671:    1,583     1,168
Old  :   157,297:    82,023    100,820     11,348     21,821     13,047     21,432        693     16,077      8,116          0      3,671:    1,583     1,168
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :    -5,041:    -4,420       -956      1,437     -1,931       -777      1,415        468     -1,498       -938        -84       -308:       48        45
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      52.1       64.1        7.2       13.9        8.3       13.6        0.4       10.2        5.2        0.0        2.3:      1.0       0.7
Old  :     100.0:      52.1       64.1        7.2       13.9        8.3       13.6        0.4       10.2        5.2        0.0        2.3:      1.0       0.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        78:        41         38          7          8          9          7          .          .          8          0          7:
Old  :        78:        41         38          7          8          9          7          .          .          8          0          7:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 28.8       40.8       46.9       61.2       22.6       39.3       35.2       50.3
Old  :                 28.8       40.8       46.9       61.2       22.6       39.3       35.2       50.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MID-C FINANCIAL PEAK OTC - ICE OTC                                                                                                               Code-064391
Disaggregated Commitments of Traders - Futures Only, December 6, 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 400 MWh)                                                                                                  :
     :          :    Positions                                                                                                           :
All  :    68,027:    54,425     43,207      3,906     15,483      6,153        373        125      2,595        135         29        435:        5         0
Old  :    68,027:    54,425     43,207      3,906     15,483      6,153        373        125      2,595        135         29        435:        5         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :    -2,939:    -1,426      1,369       -397     -3,130       -697        100       -385       -146       -394         29         21:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      80.0       63.5        5.7       22.8        9.0        0.5        0.2        3.8        0.2        0.0        0.6:      0.0       0.0
Old  :     100.0:      80.0       63.5        5.7       22.8        9.0        0.5        0.2        3.8        0.2        0.0        0.6:      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  :        41:        24         24          .          4          6          .          .          .          .          .          .:
Old  :        41:        24         24          .          4          6          .          .          .          .          .          .:
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  :                 45.0       56.1       68.0       73.8       38.1       41.4       53.3       54.9
Old  :                 45.0       56.1       68.0       73.8       38.1       41.4       53.3       54.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MID-C FINANCIAL OFF-PEAK OTC - ICE OTC                                                                                                           Code-064392
Disaggregated Commitments of Traders - Futures Only, December 6, 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 25 MWh)                                                                                                   :
     :          :    Positions                                                                                                           :
All  :   566,963:   508,097    349,618        656    148,539     50,666          0     17,829          0      7,233          0        311:        0         0
Old  :   566,963:   508,097    349,618        656    148,539     50,666          0     17,829          0      7,233          0        311:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :   -29,325:   -26,314     19,148     -3,277    -52,879      2,529       -300      3,199     -1,312       -641          0        -10:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      89.6       61.7        0.1       26.2        8.9        0.0        3.1        0.0        1.3        0.0        0.1:      0.0       0.0
Old  :     100.0:      89.6       61.7        0.1       26.2        8.9        0.0        3.1        0.0        1.3        0.0        0.1:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        38:        21         20          .          5          4          0          .          0          .          0          .:
Old  :        38:        21         20          .          5          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  :                 52.1       57.4       75.0       73.9       49.4       45.0       65.1       59.3
Old  :                 52.1       57.4       75.0       73.9       49.4       45.0       65.1       59.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WH OFF PEAK REAL TIME OTC - ICE OTC                                                                                                          Code-064394
Disaggregated Commitments of Traders - Futures Only, December 6, 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  : 1,619,641:   970,206  1,200,913    268,343    122,612    173,480     99,481          0     92,717      7,463     21,953      7,158:      793       808
Old  : 1,619,641:   970,206  1,200,913    268,343    122,612    173,480     99,481          0     92,717      7,463     21,953      7,158:      793       808
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :   -53,698:   -38,885    -43,176     -5,462      1,456     -6,544      3,393       -408     -3,466        784      1,958     -3,518:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      59.9       74.1       16.6        7.6       10.7        6.1        0.0        5.7        0.5        1.4        0.4:      0.0       0.0
Old  :     100.0:      59.9       74.1       16.6        7.6       10.7        6.1        0.0        5.7        0.5        1.4        0.4:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        61:        34         27          7          .          9          6          0          6          .          .          .:
Old  :        61:        34         27          7          .          9          6          0          6          .          .          .:
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  :                 41.2       48.4       60.9       71.7       24.3       43.5       40.1       54.3
Old  :                 41.2       48.4       60.9       71.7       24.3       43.5       40.1       54.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SP15 FIN DAYAHEAD LPM PEAK OTC - ICE OTC                                                                                                         Code-064395
Disaggregated Commitments of Traders - Futures Only, December 6, 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 400 Megawatt Hours)                                                                                       :
     :          :    Positions                                                                                                           :
All  :   122,860:    85,003     85,653      9,460     10,463     22,842      1,855          0      3,156          0        197        518:       26        31
Old  :   122,860:    85,003     85,653      9,460     10,463     22,842      1,855          0      3,156          0        197        518:       26        31
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :    -1,424:       557     -6,155     -6,798       -265      5,179        -80          0       -125       -135        -36        -20:       -2        -2
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      69.2       69.7        7.7        8.5       18.6        1.5        0.0        2.6        0.0        0.2        0.4:      0.0       0.0
Old  :     100.0:      69.2       69.7        7.7        8.5       18.6        1.5        0.0        2.6        0.0        0.2        0.4:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        46:        26         29          4          5          7          .          0          .          0          .          .:
Old  :        46:        26         29          4          5          7          .          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  :                 45.9       37.4       66.4       60.7       31.2       26.7       40.3       37.3
Old  :                 45.9       37.4       66.4       60.7       31.2       26.7       40.3       37.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SP15 FIN DA LPM OFF PEAK OTC - ICE OTC                                                                                                           Code-064396
Disaggregated Commitments of Traders - Futures Only, December 6, 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 25 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :   576,177:   412,268    403,821    137,888    132,500     25,373          0     11,916          0          0      1,919        648:        0         0
Old  :   576,177:   412,268    403,821    137,888    132,500     25,373          0     11,916          0          0      1,919        648:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :    10,422:     7,894     13,278      5,712          0     -2,856          0          0          0          0        328       -328:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      71.6       70.1       23.9       23.0        4.4        0.0        2.1        0.0        0.0        0.3        0.1:      0.0       0.0
Old  :     100.0:      71.6       70.1       23.9       23.0        4.4        0.0        2.1        0.0        0.0        0.3        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  :        34:        20         19          .          4          .          0          .          0          0          .          .:
Old  :        34:        20         19          .          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  :                 65.1       55.9       86.1       75.7       46.6       42.2       58.6       53.4
Old  :                 65.1       55.9       86.1       75.7       46.6       42.2       58.6       53.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064657
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :    58,718:    25,093     20,527      1,542     29,640      4,466     21,894        260      2,612        836          0        302:    1,973       911
Old  :    58,718:    25,093     20,527      1,542     29,640      4,466     21,894        260      2,612        836          0        302:    1,973       911
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :      -568:     1,213     -2,013       -188      1,742        692     -1,116        -80        -32       -324          0        284:   -1,097    -1,161
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      42.7       35.0        2.6       50.5        7.6       37.3        0.4        4.4        1.4        0.0        0.5:      3.4       1.6
Old  :     100.0:      42.7       35.0        2.6       50.5        7.6       37.3        0.4        4.4        1.4        0.0        0.5:      3.4       1.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        42:        24         19          .          7          9          .          .          .          .          0          .:
Old  :        42:        24         19          .          7          9          .          .          .          .          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  :                 55.5       65.8       68.9       79.0       50.6       55.7       59.0       63.7
Old  :                 55.5       65.8       68.9       79.0       50.6       55.7       59.0       63.7
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 - Futures Only, December 6, 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  :    15,384:    10,147     10,598      1,579        984      1,088        200        524      1,202          0        558         24:    1,144       406
Old  :    15,384:    10,147     10,598      1,579        984      1,088        200        524      1,202          0        558         24:    1,144       406
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :      -508:      -418       -365       -169          2         18        120        126        -20          0       -106         -4:      -35      -159
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      66.0       68.9       10.3        6.4        7.1        1.3        3.4        7.8        0.0        3.6        0.2:      7.4       2.6
Old  :     100.0:      66.0       68.9       10.3        6.4        7.1        1.3        3.4        7.8        0.0        3.6        0.2:      7.4       2.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        31:        16         16          4          .          4          .          .          .          0          .          .:
Old  :        31:        16         16          4          .          4          .          .          .          0          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 52.0       43.7       74.5       62.2       50.6       37.3       61.2       51.2
Old  :                 52.0       43.7       74.5       62.2       50.6       37.3       61.2       51.2
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 - Futures Only, December 6, 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  :    10,622:     6,524      6,428          0      1,685        576        222        720        420        485          0          8:    2,387       785
Old  :    10,622:     6,524      6,428          0      1,685        576        222        720        420        485          0          8:    2,387       785
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :      -285:      -276       -280          0        -77       -124       -130          0        120        -25          0          0:      150        76
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      61.4       60.5        0.0       15.9        5.4        2.1        6.8        4.0        4.6        0.0        0.1:     22.5       7.4
Old  :     100.0:      61.4       60.5        0.0       15.9        5.4        2.1        6.8        4.0        4.6        0.0        0.1:     22.5       7.4
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  :        22:        13         12          0          4          .          .          .          .          .          0          .:
Old  :        22:        13         12          0          4          .          .          .          .          .          0          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 34.9       49.6       56.9       74.8       28.1       38.9       41.0       57.0
Old  :                 34.9       49.6       56.9       74.8       28.1       38.9       41.0       57.0
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 - Futures Only, December 6, 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  :    11,946:     5,262      7,546      1,014      1,743      1,313        600        438         88      2,800          0          0:      869       818
Old  :    11,946:     5,262      7,546      1,014      1,743      1,313        600        438         88      2,800          0          0:      869       818
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :      -187:        94       -134        -78        219        -99          0         90          0        -54          0          0:      -50      -263
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      44.0       63.2        8.5       14.6       11.0        5.0        3.7        0.7       23.4        0.0        0.0:      7.3       6.8
Old  :     100.0:      44.0       63.2        8.5       14.6       11.0        5.0        3.7        0.7       23.4        0.0        0.0:      7.3       6.8
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  :        22:         9         13          .          .          .          .          .          .          .          0          0:
Old  :        22:         9         13          .          .          .          .          .          .          .          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  :                 56.8       44.7       81.0       68.4       50.1       32.9       63.5       52.3
Old  :                 56.8       44.7       81.0       68.4       50.1       32.9       63.5       52.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-06465M
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :    28,037:    16,838     10,646      2,574      8,673      3,010      1,920      3,180          0      1,034          0        142:    2,519     2,386
Old  :    28,037:    16,838     10,646      2,574      8,673      3,010      1,920      3,180          0      1,034          0        142:    2,519     2,386
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :      -347:      -837        274        318       -239        -82        240        -10          0         66          0        -98:       46      -192
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      60.1       38.0        9.2       30.9       10.7        6.8       11.3        0.0        3.7        0.0        0.5:      9.0       8.5
Old  :     100.0:      60.1       38.0        9.2       30.9       10.7        6.8       11.3        0.0        3.7        0.0        0.5:      9.0       8.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        27:        18         16          .          .          6          .          .          0          .          0          .:
Old  :        27:        18         16          .          .          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  :                 39.1       56.0       59.1       76.4       25.5       49.7       40.6       56.6
Old  :                 39.1       56.0       59.1       76.4       25.5       49.7       40.6       56.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                         Code-06465N
Disaggregated Commitments of Traders - Futures Only, December 6, 2011                
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MEGAWATTS PER OFF PEAK HRS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    10,999:     3,863      6,466        150      1,790        364      4,770          0        638          0          0          0:    1,214     1,741
Old  :    10,999:     3,863      6,466        150      1,790        364      4,770          0        638          0          0          0:    1,214     1,741
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :       188:      -154        256        -84       -170          3        522        -98        -22          0          0          0:      -77       219
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      35.1       58.8        1.4       16.3        3.3       43.4        0.0        5.8        0.0        0.0        0.0:     11.0      15.8
Old  :     100.0:      35.1       58.8        1.4       16.3        3.3       43.4        0.0        5.8        0.0        0.0        0.0:     11.0      15.8
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  :        21:        14         12          .          .          4          .          0          .          0          0          0:
Old  :        21:        14         12          .          .          4          .          0          .          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 62.1       46.1       75.3       67.3       59.6       41.9       67.0       57.6
Old  :                 62.1       46.1       75.3       67.3       59.6       41.9       67.0       57.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-06465S
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :    12,684:     9,392      7,030        804      1,691        918          0      1,260        550          0        618         36:      984       581
Old  :    12,684:     9,392      7,030        804      1,691        918          0      1,260        550          0        618         36:      984       581
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :      -366:      -200       -270        -12        -63         -4          0         10        -10          0         24         -8:     -132       -45
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      74.0       55.4        6.3       13.3        7.2        0.0        9.9        4.3        0.0        4.9        0.3:      7.8       4.6
Old  :     100.0:      74.0       55.4        6.3       13.3        7.2        0.0        9.9        4.3        0.0        4.9        0.3:      7.8       4.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        26:        17         11          .          4          4          0          .          .          0          .          .:
Old  :        26:        17         11          .          4          4          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  :                 47.8       43.4       67.9       69.1       43.5       30.1       58.4       49.1
Old  :                 47.8       43.4       67.9       69.1       43.5       30.1       58.4       49.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                          Code-064A34
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :    63,247:    58,087     51,586      2,589      9,111      2,550          0          0          0          0          0          0:       21         0
Old  :    63,247:    58,087     51,586      2,589      9,111      2,550          0          0          0          0          0          0:       21         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :    -2,164:    -2,101     -1,743        -42       -421          0          0          0          0          0          0          0:      -21         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      91.8       81.6        4.1       14.4        4.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      91.8       81.6        4.1       14.4        4.0        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  :        28:        17         14          .          .          .          0          0          0          0          0          0:
Old  :        28:        17         14          .          .          .          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  :                 67.0       80.1       83.2       96.3       66.7       75.8       82.1       90.8
Old  :                 67.0       80.1       83.2       96.3       66.7       75.8       82.1       90.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A35
Disaggregated Commitments of Traders - Futures Only, December 6, 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  : 1,029,530:   933,882    826,311     42,984    150,555     52,664          0          0          0          0          0          0:        0         0
Old  : 1,029,530:   933,882    826,311     42,984    150,555     52,664          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:       November 29, 2011                                                                :
     :   -23,950:   -23,180    -12,759       -770    -11,191          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      90.7       80.3        4.2       14.6        5.1        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      90.7       80.3        4.2       14.6        5.1        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  :        28:        17         13          .          4          .          0          0          0          0          0          0:
Old  :        28:        17         13          .          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  :                 69.9       82.4       87.8       94.2       67.6       77.9       83.3       86.5
Old  :                 69.9       82.4       87.8       94.2       67.6       77.9       83.3       86.5
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 - Futures Only, December 6, 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  :   315,637:   314,821    214,048        816    101,589          0          0          0          0          0          0          0:        0         0
Old  :   315,637:   314,821    214,048        816    101,589          0          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:       November 29, 2011                                                                :
     :   -27,335:   -26,565    -19,250       -770     -8,085          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      99.7       67.8        0.3       32.2        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      99.7       67.8        0.3       32.2        0.0        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  :        20:        10          8          .          .          0          0          0          0          0          0          0:
Old  :        20:        10          8          .          .          0          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  :                 74.4       74.6       97.7       95.9       59.5       67.9       81.5       81.6
Old  :                 74.4       74.6       97.7       95.9       59.5       67.9       81.5       81.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064A54
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :    35,697:    23,743     22,415     10,240     11,568      1,714          0          0          0          0          0          0:        0         0
Old  :    35,697:    23,743     22,415     10,240     11,568      1,714          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:       November 29, 2011                                                                :
     :    -3,612:    -1,533     -2,268     -1,680       -945       -399          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      66.5       62.8       28.7       32.4        4.8        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      66.5       62.8       28.7       32.4        4.8        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:        11          9          .          .          .          0          0          0          0          0          0:
Old  :        23:        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  :                 60.6       75.6       88.0       95.1       60.6       75.6       84.0       89.6
Old  :                 60.6       75.6       88.0       95.1       60.6       75.6       84.0       89.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PSEG OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A55
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :   659,481:   438,936    415,769    187,440    210,607     33,105          0          0          0          0          0          0:        0         0
Old  :   659,481:   438,936    415,769    187,440    210,607     33,105          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:       November 29, 2011                                                                :
     :   -68,145:   -33,495    -43,505    -30,800    -20,790     -3,850          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      66.6       63.0       28.4       31.9        5.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      66.6       63.0       28.4       31.9        5.0        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  :                 58.6       75.6       89.7       97.3       58.6       74.9       83.7       88.8
Old  :                 58.6       75.6       89.7       97.3       58.6       74.9       83.7       88.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A56
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :   119,139:    67,240    101,990     50,081     15,691      1,458          0          0          0        105          0          0:      255         0
Old  :   119,139:    67,240    101,990     50,081     15,691      1,458          0          0          0        105          0          0:      255         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :    -8,475:    -2,763     -5,997     -5,334     -2,205       -273          0          0          0       -105          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      56.4       85.6       42.0       13.2        1.2        0.0        0.0        0.0        0.1        0.0        0.0:      0.2       0.0
Old  :     100.0:      56.4       85.6       42.0       13.2        1.2        0.0        0.0        0.0        0.1        0.0        0.0:      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  :        38:        12         24          .          .          .          0          0          0          .          0          0:
Old  :        38:        12         24          .          .          .          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  :                 61.7       40.8       85.1       62.6       61.1       40.8       79.8       62.0
Old  :                 61.7       40.8       85.1       62.6       61.1       40.8       79.8       62.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A57
Disaggregated Commitments of Traders - Futures Only, December 6, 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  : 2,006,078: 1,092,064  1,720,265    881,818    257,697     28,116          0          0          0      4,080          0          0:        0         0
Old  : 2,006,078: 1,092,064  1,720,265    881,818    257,697     28,116          0          0          0      4,080          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :  -164,745:   -60,375   -121,240    -95,900    -38,885     -4,620          0          0          0     -3,850          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      54.4       85.8       44.0       12.8        1.4        0.0        0.0        0.0        0.2        0.0        0.0:      0.0       0.0
Old  :     100.0:      54.4       85.8       44.0       12.8        1.4        0.0        0.0        0.0        0.2        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  :        39:        12         22          4          4          .          0          0          0          .          0          0:
Old  :        39:        12         22          4          4          .          0          0          0          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 65.8       47.1       87.6       70.7       63.3       47.1       83.3       70.7
Old  :                 65.8       47.1       87.6       70.7       63.3       47.1       83.3       70.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A58
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :    49,104:    34,672     36,514      6,964      5,877      2,871        304        400      2,886      1,275        424        132:        0         0
Old  :    49,104:    34,672     36,514      6,964      5,877      2,871        304        400      2,886      1,275        424        132:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :    -2,289:    -1,359     -1,035        483      2,043     -2,688        304     -1,391        971          0       -189          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      70.6       74.4       14.2       12.0        5.8        0.6        0.8        5.9        2.6        0.9        0.3:      0.0       0.0
Old  :     100.0:      70.6       74.4       14.2       12.0        5.8        0.6        0.8        5.9        2.6        0.9        0.3:      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:        21         17          5          .          4          .          .          .          .          .          .:
Old  :        36:        21         17          5          .          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  :                 41.6       50.8       63.4       73.4       41.3       49.2       60.3       69.7
Old  :                 41.6       50.8       63.4       73.4       41.3       49.2       60.3       69.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A59
Disaggregated Commitments of Traders - Futures Only, December 6, 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  : 1,182,422:   916,763    563,903     51,306    396,683    162,876     14,112     37,365          0     23,400      7,630     13,965:        0         0
Old  : 1,182,422:   916,763    563,903     51,306    396,683    162,876     14,112     37,365          0     23,400      7,630     13,965:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :   -34,875:   -22,504    -34,927    -15,395     -1,925      7,752     -9,408     -9,675          0          0       -780      4,680:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      77.5       47.7        4.3       33.5       13.8        1.2        3.2        0.0        2.0        0.6        1.2:      0.0       0.0
Old  :     100.0:      77.5       47.7        4.3       33.5       13.8        1.2        3.2        0.0        2.0        0.6        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  :        37:        21         16          .          4          5          .          .          0          .          .          .:
Old  :        37:        21         16          .          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  :                 40.4       56.9       60.8       77.2       39.6       49.8       57.4       69.2
Old  :                 40.4       56.9       60.8       77.2       39.6       49.8       57.4       69.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A60
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :    51,399:    47,326     36,779      1,890     11,413      2,162          0        381          0          0        409          0:       21       255
Old  :    51,399:    47,326     36,779      1,890     11,413      2,162          0        381          0          0        409          0:       21       255
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :    -2,090:    -1,712     -1,953       -105        -63       -252          0          0          0          0        178          0:      -21         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      92.1       71.6        3.7       22.2        4.2        0.0        0.7        0.0        0.0        0.8        0.0:      0.0       0.5
Old  :     100.0:      92.1       71.6        3.7       22.2        4.2        0.0        0.7        0.0        0.0        0.8        0.0:      0.0       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  :        27:        17         13          .          4          .          0          .          0          0          .          0:
Old  :        27:        17         13          .          4          .          0          .          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 59.2       68.6       80.4       86.7       55.0       60.9       71.7       77.4
Old  :                 59.2       68.6       80.4       86.7       55.0       60.9       71.7       77.4
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 - Futures Only, December 6, 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  :    24,962:    20,570     10,682      3,888      8,970        210          0      4,806        294          0          0          0:        0         0
Old  :    24,962:    20,570     10,682      3,888      8,970        210          0      4,806        294          0          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :     6,957:     7,230       -567       -483      7,440        210          0          0          0          0       -126          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      82.4       42.8       15.6       35.9        0.8        0.0       19.3        1.2        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      82.4       42.8       15.6       35.9        0.8        0.0       19.3        1.2        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  :        20:        10          7          .          .          .          0          .          .          0          0          0:
Old  :        20:        10          7          .          .          .          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  :                 83.4       83.5       95.1       99.2       83.4       79.4       94.3       94.3
Old  :                 83.4       83.5       95.1       99.2       83.4       79.4       94.3       94.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A63
Disaggregated Commitments of Traders - Futures Only, December 6, 2011                
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    48,771:    26,612     40,911     19,084      5,100        210      2,550      2,340        210          0          0          0:      105         0
Old  :    48,771:    26,612     40,911     19,084      5,100        210      2,550      2,340        210          0          0          0:      105         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :      -216:        15     -1,407         84          0        -84          0      1,485       -210          0          0          0:      -21         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      54.6       83.9       39.1       10.5        0.4        5.2        4.8        0.4        0.0        0.0        0.0:      0.2       0.0
Old  :     100.0:      54.6       83.9       39.1       10.5        0.4        5.2        4.8        0.4        0.0        0.0        0.0:      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  :        30:        14         15          .          .          .          .          .          .          0          0          0:
Old  :        30:        14         15          .          .          .          .          .          .          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  :                 74.8       47.9       91.8       68.8       56.5       31.3       70.0       52.2
Old  :                 74.8       47.9       91.8       68.8       56.5       31.3       70.0       52.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM AEP DAY HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A64
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :    41,446:    10,174     20,640      9,291     17,595        441      1,265          0      2,560     17,250          0        210:      255         0
Old  :    41,446:    10,174     20,640      9,291     17,595        441      1,265          0      2,560     17,250          0        210:      255         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :     6,218:    -1,175      6,806      8,049          0       -441          0          0          0        -68          0       -147:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      24.5       49.8       22.4       42.5        1.1        3.1        0.0        6.2       41.6        0.0        0.5:      0.6       0.0
Old  :     100.0:      24.5       49.8       22.4       42.5        1.1        3.1        0.0        6.2       41.6        0.0        0.5:      0.6       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:         7         12          .          .          .          .          0          .          .          0          .:
Old  :        21:         7         12          .          .          .          .          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  :                 80.9       84.2       97.4       94.3       75.6       81.2       85.3       86.5
Old  :                 80.9       84.2       97.4       94.3       75.6       81.2       85.3       86.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A68
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :    17,713:    10,966     10,768      3,644      3,872      1,530          0      1,179         21        765         88          0:      787       255
Old  :    17,713:    10,966     10,768      3,644      3,872      1,530          0      1,179         21        765         88          0:      787       255
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :    -2,121:    -1,575       -336       -189     -1,680          0          0      1,071       -126          0          0          0:     -231    -1,050
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      61.9       60.8       20.6       21.9        8.6        0.0        6.7        0.1        4.3        0.5        0.0:      4.4       1.4
Old  :     100.0:      61.9       60.8       20.6       21.9        8.6        0.0        6.7        0.1        4.3        0.5        0.0:      4.4       1.4
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  :        24:        11         10          .          .          .          0          .          .          .          .          0:
Old  :        24:        11         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  :                 54.5       53.8       74.9       80.0       45.9       48.6       64.7       71.9
Old  :                 54.5       53.8       74.9       80.0       45.9       48.6       64.7       71.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A78
Disaggregated Commitments of Traders - Futures Only, December 6, 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  :   915,333:   851,650    585,071          0    254,053     39,059     23,400      2,040          0          0     33,886      1,224:        0         0
Old  :   915,333:   851,650    585,071          0    254,053     39,059     23,400      2,040          0          0     33,886      1,224:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :   -55,390:   -40,760    -44,215          0      8,470    -14,630          0     -1,925          0          0     -3,090          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      93.0       63.9        0.0       27.8        4.3        2.6        0.2        0.0        0.0        3.7        0.1:      0.0       0.0
Old  :     100.0:      93.0       63.9        0.0       27.8        4.3        2.6        0.2        0.0        0.0        3.7        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  :        31:        18         16          0          5          .          .          .          0          0          .          .:
Old  :        31:        18         16          0          5          .          .          .          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  :                 58.9       71.2       79.5       88.4       44.6       56.5       59.4       67.0
Old  :                 58.9       71.2       79.5       88.4       44.6       56.5       59.4       67.0
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 - Futures Only, December 6, 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  :   977,452:   449,525    777,244    383,352    151,368     48,840     95,735          0          0          0          0          0:        0         0
Old  :   977,452:   449,525    777,244    383,352    151,368     48,840     95,735          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:       November 29, 2011                                                                :
     :    -8,522:    -3,902     -3,902     -2,695     -2,695     -1,925          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      46.0       79.5       39.2       15.5        5.0        9.8        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      46.0       79.5       39.2       15.5        5.0        9.8        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  :        26:        13         14          .          .          .          .          0          0          0          0          0:
Old  :        26:        13         14          .          .          .          .          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  :                 72.3       78.0       91.3       92.4       60.0       62.0       71.8       72.8
Old  :                 72.3       78.0       91.3       92.4       60.0       62.0       71.8       72.8
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 - Futures Only, December 6, 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  :   119,845:   117,411     75,664        816     40,523      1,618          0          0          0          0      2,040          0:        0         0
Old  :   119,845:   117,411     75,664        816     40,523      1,618          0          0          0          0      2,040          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       November 29, 2011                                                                :
     :   -11,935:   -11,165     -3,465       -770     -6,545          0          0          0          0          0     -1,925          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      98.0       63.1        0.7       33.8        1.4        0.0        0.0        0.0        0.0        1.7        0.0:      0.0       0.0
Old  :     100.0:      98.0       63.1        0.7       33.8        1.4        0.0        0.0        0.0        0.0        1.7        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  :                 79.2       76.0       98.0       96.9       79.2       73.0       94.6       93.9
Old  :                 79.2       76.0       98.0       96.9       79.2       73.0       94.6       93.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated December 9, 2011