```
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064657
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   182,460:    92,424     79,793        224     23,308     53,413      9,656          0     22,858        637          0      1,034:    2,214     2,054
Old  :   182,460:    92,424     79,793        224     23,308     53,413      9,656          0     22,858        637          0      1,034:    2,214     2,054
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :       493:      -915        414          0     -1,649      1,519        -80          0       -111          1          0         80:       -0       241
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      50.7       43.7        0.1       12.8       29.3        5.3        0.0       12.5        0.3        0.0        0.6:      1.2       1.1
Old  :     100.0:      50.7       43.7        0.1       12.8       29.3        5.3        0.0       12.5        0.3        0.0        0.6:      1.2       1.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        41:        28         27          .          6          7          .          0          .          .          0          .:
Old  :        41:        28         27          .          6          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  :                 34.6       40.4       62.6       68.6       11.9       13.5       14.9       16.5
Old  :                 34.6       40.4       62.6       68.6       11.9       13.5       14.9       16.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                          Code-06465H
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    29,423:    14,551     15,506        561      2,094      6,494      2,763          0      3,545          0      1,060        172:    1,338       554
Old  :    29,423:    14,551     15,506        561      2,094      6,494      2,763          0      3,545          0      1,060        172:    1,338       554
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :      -204:        -2        120         10        -60       -116        -92          0        -14          0          6          0:       10      -140
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      49.5       52.7        1.9        7.1       22.1        9.4        0.0       12.0        0.0        3.6        0.6:      4.5       1.9
Old  :     100.0:      49.5       52.7        1.9        7.1       22.1        9.4        0.0       12.0        0.0        3.6        0.6:      4.5       1.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        26:        16         13          .          .          4          .          0          .          0          .          .:
Old  :        26:        16         13          .          .          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  :                 48.2       53.3       70.3       74.4       29.4       27.1       35.3       36.3
Old  :                 48.2       53.3       70.3       74.4       29.4       27.1       35.3       36.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-06465I
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :     8,505:     6,496      3,850          0      2,156        117          0      1,108         52        296          0          8:    1,536     1,214
Old  :     8,505:     6,496      3,850          0      2,156        117          0      1,108         52        296          0          8:    1,536     1,214
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :         .:         .          .          .          .          .          .          .          .          .          .          .:        .         .
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      76.4       45.3        0.0       25.3        1.4        0.0       13.0        0.6        3.5        0.0        0.1:     18.1      14.3
Old  :     100.0:      76.4       45.3        0.0       25.3        1.4        0.0       13.0        0.6        3.5        0.0        0.1:     18.1      14.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:        14         11          0          .          .          0          .          .          .          0          .:
Old  :        20:        14         11          0          .          .          0          .          .          .          0          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 46.2       50.9       63.9       72.5       31.3       35.6       45.3       51.3
Old  :                 46.2       50.9       63.9       72.5       31.3       35.6       45.3       51.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AEP DAYTON CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-06465K
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    12,815:     4,826      9,510      1,088        258      1,487          0        558        727      3,676          0          0:    1,011       276
Old  :    12,815:     4,826      9,510      1,088        258      1,487          0        558        727      3,676          0          0:    1,011       276
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :      -474:         4       -236         18        144       -148          0       -227         -7       -336          0          0:       -5        -0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      37.7       74.2        8.5        2.0       11.6        0.0        4.4        5.7       28.7        0.0        0.0:      7.9       2.2
Old  :     100.0:      37.7       74.2        8.5        2.0       11.6        0.0        4.4        5.7       28.7        0.0        0.0:      7.9       2.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        25:        11         14          4          .          5          0          .          .          .          0          0:
Old  :        25:        11         14          4          .          5          0          .          .          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 53.7       33.2       72.1       57.8       49.4       29.2       54.3       44.3
Old  :                 53.7       33.2       72.1       57.8       49.4       29.2       54.3       44.3
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 - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    23,434:    17,432     12,212        804      4,958      2,358        408      2,480        400        290          0         18:    1,724     1,008
Old  :    23,434:    17,432     12,212        804      4,958      2,358        408      2,480        400        290          0         18:    1,724     1,008
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      74.4       52.1        3.4       21.2       10.1        1.7       10.6        1.7        1.2        0.0        0.1:      7.4       4.3
Old  :     100.0:      74.4       52.1        3.4       21.2       10.1        1.7       10.6        1.7        1.2        0.0        0.1:      7.4       4.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        31:        20         18          .          4          6          .          .          .          .          0          .:
Old  :        31:        20         18          .          4          6          .          .          .          .          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  :                 35.9       41.9       55.1       65.4       23.2       37.3       36.6       48.7
Old  :                 35.9       41.9       55.1       65.4       23.2       37.3       36.6       48.7
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 - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :     8,663:     4,336      5,477        538          0      1,030      1,128          0        176          0          0          0:    1,455     1,980
Old  :     8,663:     4,336      5,477        538          0      1,030      1,128          0        176          0          0          0:    1,455     1,980
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :        28:         4       -116          0          0          0          0          0          0          0          0          0:       24       144
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      50.1       63.2        6.2        0.0       11.9       13.0        0.0        2.0        0.0        0.0        0.0:     16.8      22.9
Old  :     100.0:      50.1       63.2        6.2        0.0       11.9       13.0        0.0        2.0        0.0        0.0        0.0:     16.8      22.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        21:        15         14          .          0          .          .          0          .          0          0          0:
Old  :        21:        15         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  :                 40.4       36.4       62.6       56.4       31.2       31.7       45.2       42.6
Old  :                 40.4       36.4       62.6       56.4       31.2       31.7       45.2       42.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AEP DAYTON OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-06465O
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    12,860:     6,036      6,540         84      1,368      1,432          0      2,624        156      4,138          0          0:    1,014       740
Old  :    12,860:     6,036      6,540         84      1,368      1,432          0      2,624        156      4,138          0          0:    1,014       740
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :       240:       240        240          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      46.9       50.9        0.7       10.6       11.1        0.0       20.4        1.2       32.2        0.0        0.0:      7.9       5.8
Old  :     100.0:      46.9       50.9        0.7       10.6       11.1        0.0       20.4        1.2       32.2        0.0        0.0:      7.9       5.8
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:        13         13          .          .          .          0          .          .          .          0          0:
Old  :        21:        13         13          .          .          .          0          .          .          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 57.9       49.8       77.3       71.1       54.9       38.0       58.6       51.4
Old  :                 57.9       49.8       77.3       71.1       54.9       38.0       58.6       51.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-06465S
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    13,154:     8,756      6,852      1,178      1,528        946        378        918        836          0      1,432         48:    1,012       594
Old  :    13,154:     8,756      6,852      1,178      1,528        946        378        918        836          0      1,432         48:    1,012       594
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :        -2:        18        220          0          0          0          0          0          0          0         18          0:      -20      -240
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      66.6       52.1        9.0       11.6        7.2        2.9        7.0        6.4        0.0       10.9        0.4:      7.7       4.5
Old  :     100.0:      66.6       52.1        9.0       11.6        7.2        2.9        7.0        6.4        0.0       10.9        0.4:      7.7       4.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        23:        14         13          .          .          4          .          .          .          0          .          .:
Old  :        23:        14         13          .          .          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  :                 46.8       45.0       69.5       70.2       41.7       35.8       53.0       57.3
Old  :                 46.8       45.0       69.5       70.2       41.7       35.8       53.0       57.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                          Code-064A34
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    58,785:    53,371     47,689      2,570      8,252      2,844          0          0          0          0          0          0:        0         0
Old  :    58,785:    53,371     47,689      2,570      8,252      2,844          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:       July 3, 2012                                                                     :
     :       161:       161        161          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      90.8       81.1        4.4       14.0        4.8        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      90.8       81.1        4.4       14.0        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  :        26:        16         13          .          .          .          0          0          0          0          0          0:
Old  :        26:        16         13          .          .          .          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  :                 70.0       84.5       85.0       96.8       70.0       78.5       82.8       89.5
Old  :                 70.0       84.5       85.0       96.8       70.0       78.5       82.8       89.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A35
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   966,448:   868,456    796,475     46,031    118,012     51,961          0          0          0          0          0          0:        0         0
Old  :   966,448:   868,456    796,475     46,031    118,012     51,961          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:       July 3, 2012                                                                     :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      89.9       82.4        4.8       12.2        5.4        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      89.9       82.4        4.8       12.2        5.4        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        24:        13         13          .          .          .          0          0          0          0          0          0:
Old  :        24:        13         13          .          .          .          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  :                 70.3       85.2       89.2       94.6       69.3       78.5       85.3       87.0
Old  :                 70.3       85.2       89.2       94.6       69.3       78.5       85.3       87.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064A54
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    27,041:    26,831     12,269        210     14,772          0          0          0          0          0          0          0:        0         0
Old  :    27,041:    26,831     12,269        210     14,772          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:       July 3, 2012                                                                     :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      99.2       45.4        0.8       54.6        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      99.2       45.4        0.8       54.6        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:        12          7          .          .          0          0          0          0          0          0          0:
Old  :        20:        12          7          .          .          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  :                 67.8       92.0       92.8       99.2       67.8       92.0       92.5       96.6
Old  :                 67.8       92.0       92.8       99.2       67.8       92.0       92.5       96.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A56
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   101,445:    59,026     98,770     41,657      1,976        465          0          0          0         42          0          0:      255       234
Old  :   101,445:    59,026     98,770     41,657      1,976        465          0          0          0         42          0          0:      255       234
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :       255:         0        255        255          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      58.2       97.4       41.1        1.9        0.5        0.0        0.0        0.0        0.0        0.0        0.0:      0.3       0.2
Old  :     100.0:      58.2       97.4       41.1        1.9        0.5        0.0        0.0        0.0        0.0        0.0        0.0:      0.3       0.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        38:        13         25          4          .          .          0          0          0          .          0          0:
Old  :        38:        13         25          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  :                 71.2       40.9       88.9       64.8       70.7       40.9       85.1       63.5
Old  :                 71.2       40.9       88.9       64.8       70.7       40.9       85.1       63.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A57
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  : 1,400,754:   833,201  1,362,851    542,914     17,184     20,719          0          0          0      3,920          0          0:        0         0
Old  : 1,400,754:   833,201  1,362,851    542,914     17,184     20,719          0          0          0      3,920          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :     4,680:         0      4,680      4,680          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      59.5       97.3       38.8        1.2        1.5        0.0        0.0        0.0        0.3        0.0        0.0:      0.0       0.0
Old  :     100.0:      59.5       97.3       38.8        1.2        1.5        0.0        0.0        0.0        0.3        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  :        35:        13         21          4          .          .          0          0          0          .          0          0:
Old  :        35:        13         21          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  :                 68.6       44.4       90.8       65.9       67.1       44.4       83.4       64.1
Old  :                 68.6       44.4       90.8       65.9       67.1       44.4       83.4       64.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A58
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    64,176:    39,104     40,417      6,424      7,998      5,256      3,820      2,235      8,015      1,557          0          0:        0       255
Old  :    64,176:    39,104     40,417      6,424      7,998      5,256      3,820      2,235      8,015      1,557          0          0:        0       255
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :        40:      -175          0          0          0          0          0       -430        215          0          0          0:        0       255
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      60.9       63.0       10.0       12.5        8.2        6.0        3.5       12.5        2.4        0.0        0.0:      0.0       0.4
Old  :     100.0:      60.9       63.0       10.0       12.5        8.2        6.0        3.5       12.5        2.4        0.0        0.0:      0.0       0.4
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  :        35:        21         15          4          .          5          .          .          .          .          0          0:
Old  :        35:        21         15          4          .          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  :                 36.2       47.7       55.4       73.3       26.2       38.3       40.7       54.6
Old  :                 36.2       47.7       55.4       73.3       26.2       38.3       40.7       54.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A59
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  : 1,138,181:   905,358    577,464     47,195    331,464     97,493          0     94,050     23,400     50,425          0     14,310:        0         0
Old  : 1,138,181:   905,358    577,464     47,195    331,464     97,493          0     94,050     23,400     50,425          0     14,310:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      79.5       50.7        4.1       29.1        8.6        0.0        8.3        2.1        4.4        0.0        1.3:      0.0       0.0
Old  :     100.0:      79.5       50.7        4.1       29.1        8.6        0.0        8.3        2.1        4.4        0.0        1.3:      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  :        39:        23         16          .          5          6          0          .          .          .          0          .:
Old  :        39:        23         16          .          5          6          0          .          .          .          0          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 38.3       43.0       58.1       69.7       33.5       38.6       50.9       60.3
Old  :                 38.3       43.0       58.1       69.7       33.5       38.6       50.9       60.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A60
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    49,848:    42,465     37,534      3,700      4,460      3,556          0      2,289          0          0      1,478          0:      127       531
Old  :    49,848:    42,465     37,534      3,700      4,460      3,556          0      2,289          0          0      1,478          0:      127       531
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      85.2       75.3        7.4        8.9        7.1        0.0        4.6        0.0        0.0        3.0        0.0:      0.3       1.1
Old  :     100.0:      85.2       75.3        7.4        8.9        7.1        0.0        4.6        0.0        0.0        3.0        0.0:      0.3       1.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        27:        14         11          .          .          4          0          .          0          0          .          0:
Old  :        27:        14         11          .          .          4          0          .          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 58.9       68.6       78.1       86.8       54.8       56.9       67.7       73.0
Old  :                 58.9       68.6       78.1       86.8       54.8       56.9       67.7       73.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MW IND TR REAL TIME PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A61
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    24,651:    17,314     11,599      5,335      5,012      1,675          0      6,165        200          0          0          0:      127         0
Old  :    24,651:    17,314     11,599      5,335      5,012      1,675          0      6,165        200          0          0          0:      127         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      70.2       47.1       21.6       20.3        6.8        0.0       25.0        0.8        0.0        0.0        0.0:      0.5       0.0
Old  :     100.0:      70.2       47.1       21.6       20.3        6.8        0.0       25.0        0.8        0.0        0.0        0.0:      0.5       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:        11          9          .          .          .          0          .          .          0          0          0:
Old  :        20:        11          9          .          .          .          0          .          .          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 81.6       65.8       92.9       87.6       71.7       56.7       78.9       74.2
Old  :                 81.6       65.8       92.9       87.6       71.7       56.7       78.9       74.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A63
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    43,420:    26,839     33,616     12,088      2,054      2,015      1,270      5,735          0        635          0          0:      573         0
Old  :    43,420:    26,839     33,616     12,088      2,054      2,015      1,270      5,735          0        635          0          0:      573         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :         0:      -740          0          0       -740        740          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      61.8       77.4       27.8        4.7        4.6        2.9       13.2        0.0        1.5        0.0        0.0:      1.3       0.0
Old  :     100.0:      61.8       77.4       27.8        4.7        4.6        2.9       13.2        0.0        1.5        0.0        0.0:      1.3       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:        11         13          .          .          .          .          .          0          .          0          0:
Old  :        28:        11         13          .          .          .          .          .          0          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 66.2       59.8       86.1       81.5       40.2       40.8       52.2       54.3
Old  :                 66.2       59.8       86.1       81.5       40.2       40.8       52.2       54.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A68
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    15,309:     9,800     10,214      2,581      2,342      1,414          0          0          0        381        868        218:      915       254
Old  :    15,309:     9,800     10,214      2,581      2,342      1,414          0          0          0        381        868        218:      915       254
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :        41:        -1        105          0          1         -1          0          0          0          0       -106         42:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      64.0       66.7       16.9       15.3        9.2        0.0        0.0        0.0        2.5        5.7        1.4:      6.0       1.7
Old  :     100.0:      64.0       66.7       16.9       15.3        9.2        0.0        0.0        0.0        2.5        5.7        1.4:      6.0       1.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        25:        13         11          .          .          .          0          0          0          .          .          .:
Old  :        25:        13         11          .          .          .          0          0          0          .          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 54.3       61.9       77.6       84.8       45.2       58.5       63.7       74.1
Old  :                 54.3       61.9       77.6       84.8       45.2       58.5       63.7       74.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NYISO ZONE J 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A69
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    12,261:     8,887      7,959      1,897      1,821      1,138          0          0          0        212      1,067          0:      127       276
Old  :    12,261:     8,887      7,959      1,897      1,821      1,138          0          0          0        212      1,067          0:      127       276
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      72.5       64.9       15.5       14.9        9.3        0.0        0.0        0.0        1.7        8.7        0.0:      1.0       2.3
Old  :     100.0:      72.5       64.9       15.5       14.9        9.3        0.0        0.0        0.0        1.7        8.7        0.0:      1.0       2.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        21:        12          6          .          .          4          0          0          0          .          .          0:
Old  :        21:        12          6          .          .          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  :                 54.9       65.2       77.2       90.3       53.8       59.0       69.6       75.3
Old  :                 54.9       65.2       77.2       90.3       53.8       59.0       69.6       75.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A78
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   840,312:   767,917    581,587     25,695    151,840     23,300          0         80     23,400          0     60,105          0:        0         0
Old  :   840,312:   767,917    581,587     25,695    151,840     23,300          0         80     23,400          0     60,105          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      91.4       69.2        3.1       18.1        2.8        0.0        0.0        2.8        0.0        7.2        0.0:      0.0       0.0
Old  :     100.0:      91.4       69.2        3.1       18.1        2.8        0.0        0.0        2.8        0.0        7.2        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        27:        18         11          .          .          .          0          .          .          0          .          0:
Old  :        27:        18         11          .          .          .          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  :                 58.9       73.1       78.4       91.5       45.7       56.2       59.1       67.9
Old  :                 58.9       73.1       78.4       91.5       45.7       56.2       59.1       67.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL HUB 5 OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A79
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   966,369:   574,524    662,374    297,315    122,220     58,680     23,850    111,095     12,000          0          0          0:        0         0
Old  :   966,369:   574,524    662,374    297,315    122,220     58,680     23,850    111,095     12,000          0          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :     3,136:     3,136      3,136          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      59.5       68.5       30.8       12.6        6.1        2.5       11.5        1.2        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      59.5       68.5       30.8       12.6        6.1        2.5       11.5        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  :        22:        12         10          .          .          .          .          .          .          0          0          0:
Old  :        22:        12         10          .          .          .          .          .          .          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 65.9       79.1       89.7       93.0       51.1       59.5       66.9       69.5
Old  :                 65.9       79.1       89.7       93.0       51.1       59.5       66.9       69.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM AEP DAYTON OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A80
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   513,914:    87,852    262,692    141,135    150,129     48,637     62,690          0      5,635    121,144          0     46,821:        0         0
Old  :   513,914:    87,852    262,692    141,135    150,129     48,637     62,690          0      5,635    121,144          0     46,821:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :    -1,488:         0          0          0      4,464     -1,488          0          0          0      4,464          0     -4,464:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      17.1       51.1       27.5       29.2        9.5       12.2        0.0        1.1       23.6        0.0        9.1:      0.0       0.0
Old  :     100.0:      17.1       51.1       27.5       29.2        9.5       12.2        0.0        1.1       23.6        0.0        9.1:      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  :        20:         9          9          4          .          .          .          0          .          .          0          .:
Old  :        20:         9          9          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  :                 73.1       65.4       88.3       90.8       55.0       61.3       70.2       73.6
Old  :                 73.1       65.4       88.3       90.8       55.0       61.3       70.2       73.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NYISO ZONE G5 MW OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A84
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  :   140,744:    87,190     62,253     31,280     49,185     22,274          0        784          0          0      6,248          0:        0         0
Old  :   140,744:    87,190     62,253     31,280     49,185     22,274          0        784          0          0      6,248          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      61.9       44.2       22.2       34.9       15.8        0.0        0.6        0.0        0.0        4.4        0.0:      0.0       0.0
Old  :     100.0:      61.9       44.2       22.2       34.9       15.8        0.0        0.6        0.0        0.0        4.4        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:         6          8          .          .          .          0          .          0          0          .          0:
Old  :        20:         6          8          .          .          .          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  :                 67.1       60.2       96.7       86.0       60.6       53.3       80.8       75.2
Old  :                 67.1       60.2       96.7       86.0       60.6       53.3       80.8       75.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM ELEC OPT ON CALENDAR STRIP - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064B47
Disaggregated Commitments of Traders - Options and Futures Combined, July 10, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :     9,317:     4,009      5,950      1,795          0      2,987        173          0        224          0         47        109:       20         0
Old  :     9,317:     4,009      5,950      1,795          0      2,987        173          0        224          0         47        109:       20         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 3, 2012                                                                     :
     :        46:        93         -1        -87          0         34         -1          0          0          0          6          7:       -0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      43.0       63.9       19.3        0.0       32.1        1.9        0.0        2.4        0.0        0.5        1.2:      0.2       0.0
Old  :     100.0:      43.0       63.9       19.3        0.0       32.1        1.9        0.0        2.4        0.0        0.5        1.2:      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  :        21:        11         13          5          0          5          .          0          .          0          .          .:
Old  :        21:        11         13          5          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  :                 47.3       46.1       77.3       71.8       17.4       18.1       22.5       22.5
Old  :                 47.3       46.1       77.3       71.8       17.4       18.1       22.5       22.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated July 13, 2012