```
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064657
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   172,595:   107,814    111,735      2,928      2,372     46,343      1,118        188     10,253        339          5      1,066:    2,733       633
Old  :   172,595:   107,814    111,735      2,928      2,372     46,343      1,118        188     10,253        339          5      1,066:    2,733       633
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :     1,306:     1,237         50       -497       -521      1,473       -375        143         -2       -157          1        201:     -573       -39
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      62.5       64.7        1.7        1.4       26.9        0.6        0.1        5.9        0.2        0.0        0.6:      1.6       0.4
Old  :     100.0:      62.5       64.7        1.7        1.4       26.9        0.6        0.1        5.9        0.2        0.0        0.6:      1.6       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  :        46:        27         24          4          .          6          4          .          5          .          .          .:
Old  :        46:        27         24          4          .          6          4          .          5          .          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 52.6       55.8       79.5       81.6        3.4        5.2        5.5        7.6
Old  :                 52.6       55.8       79.5       81.6        3.4        5.2        5.5        7.6
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, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    21,083:    12,408     13,282      3,167      1,794      3,656         80        960        280          0        142         30:    1,462       939
Old  :    21,083:    12,408     13,282      3,167      1,794      3,656         80        960        280          0        142         30:    1,462       939
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :      -615:      -391       -153        -68        -23       -146        -40        -40          0          0        -14          0:       30      -239
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      58.9       63.0       15.0        8.5       17.3        0.4        4.6        1.3        0.0        0.7        0.1:      6.9       4.5
Old  :     100.0:      58.9       63.0       15.0        8.5       17.3        0.4        4.6        1.3        0.0        0.7        0.1:      6.9       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  :        30:        17         18          4          .          5          .          .          .          0          .          .:
Old  :        30:        17         18          4          .          5          .          .          .          0          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 42.2       42.6       63.1       68.1       26.5       27.1       40.2       43.0
Old  :                 42.2       42.6       63.1       68.1       26.5       27.1       40.2       43.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-06465M
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MEGAWATTS PER OFF PEAK HRS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    30,254:    18,698     15,473      1,428      3,869      7,650          0      1,440        120          0        690        120:    2,238       892
Old  :    30,254:    18,698     15,473      1,428      3,869      7,650          0      1,440        120          0        690        120:    2,238       892
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :      -953:      -850       -570       -218       -314        -68          0        -40          0          0          0          0:      183        39
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      61.8       51.1        4.7       12.8       25.3        0.0        4.8        0.4        0.0        2.3        0.4:      7.4       2.9
Old  :     100.0:      61.8       51.1        4.7       12.8       25.3        0.0        4.8        0.4        0.0        2.3        0.4:      7.4       2.9
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  :        30:        20         14          .          4          6          0          .          .          0          .          .:
Old  :        30:        20         14          .          4          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  :                 40.1       45.0       60.0       69.4       24.9       29.3       35.0       41.9
Old  :                 40.1       45.0       60.0       69.4       24.9       29.3       35.0       41.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-06465S
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    12,701:     8,004      7,520      1,640      2,863      1,085        400          0        160        312          0         20:    1,080     1,053
Old  :    12,701:     8,004      7,520      1,640      2,863      1,085        400          0        160        312          0         20:    1,080     1,053
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :      -474:      -392       -334         36        -39        -26        -60          0          0          6          0        -14:      -24       -61
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      63.0       59.2       12.9       22.5        8.5        3.1        0.0        1.3        2.5        0.0        0.2:      8.5       8.3
Old  :     100.0:      63.0       59.2       12.9       22.5        8.5        3.1        0.0        1.3        2.5        0.0        0.2:      8.5       8.3
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  :        23:        13         12          .          4          4          .          0          .          .          0          .:
Old  :        23:        13         12          .          4          4          .          0          .          .          0          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 37.6       44.2       57.8       72.8       37.0       38.6       53.3       55.4
Old  :                 37.6       44.2       57.8       72.8       37.0       38.6       53.3       55.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CINERGY CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A01
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    48,511:    31,624     35,853      3,573        199     10,589        250          0      1,063          0          0          0:    1,412       808
Old  :    48,511:    31,624     35,853      3,573        199     10,589        250          0      1,063          0          0          0:    1,412       808
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :       -12:       623        121       -374         43         36        -38          0       -172          0          0          0:      -87       -40
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      65.2       73.9        7.4        0.4       21.8        0.5        0.0        2.2        0.0        0.0        0.0:      2.9       1.7
Old  :     100.0:      65.2       73.9        7.4        0.4       21.8        0.5        0.0        2.2        0.0        0.0        0.0:      2.9       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  :        26:        17         17          5          .          4          .          0          .          0          0          0:
Old  :        26:        17         17          5          .          4          .          0          .          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 62.5       63.8       81.4       85.5       24.4       36.7       33.5       39.5
Old  :                 62.5       63.8       81.4       85.5       24.4       36.7       33.5       39.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CINERGY OFF PEAK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                         Code-064A02
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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 MW X OFF PEAK HOURS PER MONTH)                                                                                     :
     :          :    Positions                                                                                                           :
All  :    10,810:     6,924      3,464      1,514      5,330      1,116          0          0          0          0          0          0:    1,256       900
Old  :    10,810:     6,924      3,464      1,514      5,330      1,116          0          0          0          0          0          0:    1,256       900
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :      -422:      -392       -288       -106       -254        -74          0          0          0          0          0          0:      150       194
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      64.1       32.0       14.0       49.3       10.3        0.0        0.0        0.0        0.0        0.0        0.0:     11.6       8.3
Old  :     100.0:      64.1       32.0       14.0       49.3       10.3        0.0        0.0        0.0        0.0        0.0        0.0:     11.6       8.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        22:        14         13          .          4          4          0          0          0          0          0          0:
Old  :        22:        14         13          .          4          4          0          0          0          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 35.2       64.7       60.2       81.0       32.4       56.8       50.7       62.2
Old  :                 35.2       64.7       60.2       81.0       32.4       56.8       50.7       62.2
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, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    56,394:    52,727     43,389      2,191     11,250      1,476          0          0          0          0          0          0:        0       279
Old  :    56,394:    52,727     43,389      2,191     11,250      1,476          0          0          0          0          0          0:        0       279
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :    -2,102:      -952     -1,918       -621        368       -529          0          0          0          0          0          0:        0       -23
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      93.5       76.9        3.9       19.9        2.6        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.5
Old  :     100.0:      93.5       76.9        3.9       19.9        2.6        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:        10          6          .          .          .          0          0          0          0          0          0:
Old  :        20:        10          6          .          .          .          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  :                 82.4       82.5       95.1       98.0       82.4       80.8       95.1       95.4
Old  :                 82.4       82.5       95.1       98.0       82.4       80.8       95.1       95.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A35
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   851,585:   776,024    638,436     70,881    208,469      4,680          0          0          0          0          0          0:        0         0
Old  :   851,585:   776,024    638,436     70,881    208,469      4,680          0          0          0          0          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :   -47,445:   -33,570    -39,945    -13,875     -7,500          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      91.1       75.0        8.3       24.5        0.5        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      91.1       75.0        8.3       24.5        0.5        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:        11          5          .          .          .          0          0          0          0          0          0:
Old  :        20:        11          5          .          .          .          0          0          0          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 76.6       85.1       93.1       99.5       76.1       84.2       92.6       98.5
Old  :                 76.6       85.1       93.1       99.5       76.1       84.2       92.6       98.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM JCPL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064A48
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    29,162:    11,780     16,984     17,189     10,750          0          0        110          0          0        252          0:      193     1,066
Old  :    29,162:    11,780     16,984     17,189     10,750          0          0        110          0          0        252          0:      193     1,066
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :    -1,323:      -748       -702       -552       -460          0          0        110          0          0       -138          0:      -23      -133
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      40.4       58.2       58.9       36.9        0.0        0.0        0.4        0.0        0.0        0.9        0.0:      0.7       3.7
Old  :     100.0:      40.4       58.2       58.9       36.9        0.0        0.0        0.4        0.0        0.0        0.9        0.0:      0.7       3.7
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  :        21:         9          6          .          .          0          0          .          0          0          .          0:
Old  :        21:         9          6          .          .          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  :                 88.6       67.2       97.2       94.7       83.1       58.5       89.9       85.9
Old  :                 88.6       67.2       97.2       94.7       83.1       58.5       89.9       85.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM JCPL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A49
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   474,834:   164,824    279,954    310,010    193,296          0          0          0          0          0      1,584          0:        0         0
Old  :   474,834:   164,824    279,954    310,010    193,296          0          0          0          0          0      1,584          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :   -20,625:   -11,625    -12,375     -9,000     -7,500          0          0          0          0          0       -750          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      34.7       59.0       65.3       40.7        0.0        0.0        0.0        0.0        0.0        0.3        0.0:      0.0       0.0
Old  :     100.0:      34.7       59.0       65.3       40.7        0.0        0.0        0.0        0.0        0.0        0.3        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:         7          7          .          .          0          0          0          0          0          .          0:
Old  :        20:         7          7          .          .          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  :                 92.9       68.3       99.8       98.5       85.8       58.4       90.1       88.6
Old  :                 92.9       68.3       99.8       98.5       85.8       58.4       90.1       88.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PEPCO PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                          Code-064A50
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    47,686:    40,390     47,466      6,866        220          0          0          0          0        220          0          0:      210         0
Old  :    47,686:    40,390     47,466      6,866        220          0          0          0          0        220          0          0:      210         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :    -1,909:    -1,380     -1,909       -414          0          0          0          0          0          0          0          0:     -115         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      84.7       99.5       14.4        0.5        0.0        0.0        0.0        0.0        0.5        0.0        0.0:      0.4       0.0
Old  :     100.0:      84.7       99.5       14.4        0.5        0.0        0.0        0.0        0.0        0.5        0.0        0.0:      0.4       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          7          4          .          0          0          0          0          .          0          0:
Old  :        20:        11          7          4          .          0          0          0          0          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 62.1       97.5       85.9      100.0       61.4       86.6       80.1       88.0
Old  :                 62.1       97.5       85.9      100.0       61.4       86.6       80.1       88.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PPL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                            Code-064A52
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    32,902:    25,643     29,904      6,792      2,805          0          0          0          0          0          0          0:      467       193
Old  :    32,902:    25,643     29,904      6,792      2,805          0          0          0          0          0          0          0:      467       193
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :      -169:       682       -146       -667          0          0          0          0          0          0          0          0:     -184       -23
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      77.9       90.9       20.6        8.5        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      1.4       0.6
Old  :     100.0:      77.9       90.9       20.6        8.5        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      1.4       0.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        21:        11          9          .          .          0          0          0          0          0          0          0:
Old  :        21:        11          9          .          .          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  :                 66.4       68.1       88.0       95.5       62.5       61.9       79.5       86.0
Old  :                 66.4       68.1       88.0       95.5       62.5       61.9       79.5       86.0
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, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    87,725:    28,992     56,327     56,552     29,508      1,260        770          0          0          0        630          0:      151         0
Old  :    87,725:    28,992     56,327     56,552     29,508      1,260        770          0          0          0        630          0:      151         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :    -2,920:       530     -1,218     -2,668       -575       -782        770          0          0          0       -345          0:     -770         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      33.0       64.2       64.5       33.6        1.4        0.9        0.0        0.0        0.0        0.7        0.0:      0.2       0.0
Old  :     100.0:      33.0       64.2       64.5       33.6        1.4        0.9        0.0        0.0        0.0        0.7        0.0:      0.2       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        27:        10         12          5          .          .          .          0          0          0          .          0:
Old  :        27:        10         12          5          .          .          .          0          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 69.9       71.9       86.6       92.4       69.9       70.4       85.3       91.0
Old  :                 69.9       71.9       86.6       92.4       69.9       70.4       85.3       91.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PSEG OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A55
Disaggregated Commitments of Traders - Options and Futures Combined, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  : 1,447,697:   431,162    979,521  1,010,199    453,920      6,336          0          0          0          0      7,920          0:        0         0
Old  : 1,447,697:   431,162    979,521  1,010,199    453,920      6,336          0          0          0          0      7,920          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :   -45,640:       860    -25,390    -42,000    -12,000     -4,500          0          0          0          0     -3,750          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      29.8       67.7       69.8       31.4        0.4        0.0        0.0        0.0        0.0        0.5        0.0:      0.0       0.0
Old  :     100.0:      29.8       67.7       69.8       31.4        0.4        0.0        0.0        0.0        0.0        0.5        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  :        25:         9          9          5          .          .          0          0          0          0          .          0:
Old  :        25:         9          9          5          .          .          0          0          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 73.6       69.6       89.0       92.8       73.6       69.1       88.4       91.4
Old  :                 73.6       69.6       89.0       92.8       73.6       69.1       88.4       91.4
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, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   170,853:   134,668     92,613     32,216     74,283      3,087          0        660          0        882          0          0:        0       210
Old  :   170,853:   134,668     92,613     32,216     74,283      3,087          0        660          0        882          0          0:        0       210
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :    -6,859:    -4,857       -675       -529     -4,311       -990          0        660          0       -483          0          0:        0    -1,543
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      78.8       54.2       18.9       43.5        1.8        0.0        0.4        0.0        0.5        0.0        0.0:      0.0       0.1
Old  :     100.0:      78.8       54.2       18.9       43.5        1.8        0.0        0.4        0.0        0.5        0.0        0.0:      0.0       0.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        38:        20         19          .          6          .          0          .          0          .          0          0:
Old  :        38:        20         19          .          6          .          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  :                 56.4       59.2       81.9       78.2       56.1       56.9       80.6       74.7
Old  :                 56.4       59.2       81.9       78.2       56.1       56.9       80.6       74.7
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, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 50 MEGAWATT HOURS)                                                                                        :
     :          :    Positions                                                                                                           :
All  : 2,822,883: 2,308,671  1,539,167    479,698  1,257,914     25,802          0          0          0      8,712          0          0:        0         0
Old  : 2,822,883: 2,308,671  1,539,167    479,698  1,257,914     25,802          0          0          0      8,712          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :   -83,298:   -66,915    -31,395     -9,750    -49,395     -2,508          0          0          0     -4,125          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      81.8       54.5       17.0       44.6        0.9        0.0        0.0        0.0        0.3        0.0        0.0:      0.0       0.0
Old  :     100.0:      81.8       54.5       17.0       44.6        0.9        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  :        32:        18         16          .          5          .          0          0          0          .          0          0:
Old  :        32:        18         16          .          5          .          0          0          0          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 63.8       64.7       88.5       84.2       63.8       64.1       88.2       82.9
Old  :                 63.8       64.7       88.5       84.2       63.8       64.1       88.2       82.9
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, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    62,432:    53,493     55,487      5,179        325      3,760          0          0          0          0      2,775          0:        0        85
Old  :    62,432:    53,493     55,487      5,179        325      3,760          0          0          0          0      2,775          0:        0        85
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :    -2,668:    -2,645     -2,507         -1         -1        -22          0          0          0          0       -115          0:        0       -23
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      85.7       88.9        8.3        0.5        6.0        0.0        0.0        0.0        0.0        4.4        0.0:      0.0       0.1
Old  :     100.0:      85.7       88.9        8.3        0.5        6.0        0.0        0.0        0.0        0.0        4.4        0.0:      0.0       0.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        29:        17         15          4          .          .          0          0          0          0          .          0:
Old  :        29:        17         15          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  :                 54.4       57.8       74.6       78.4       45.6       54.2       62.6       64.6
Old  :                 54.4       57.8       74.6       78.4       45.6       54.2       62.6       64.6
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, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  : 1,016,917:   857,427    810,238     79,789     54,658     79,701          0          0          0          0     72,320          0:        0         0
Old  : 1,016,917:   857,427    810,238     79,789     54,658     79,701          0          0          0          0     72,320          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :   -55,875:   -54,000    -28,125     -1,875    -27,750          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      84.3       79.7        7.8        5.4        7.8        0.0        0.0        0.0        0.0        7.1        0.0:      0.0       0.0
Old  :     100.0:      84.3       79.7        7.8        5.4        7.8        0.0        0.0        0.0        0.0        7.1        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        29:        13         16          4          .          .          0          0          0          0          .          0:
Old  :        29:        13         16          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  :                 60.1       52.5       80.7       75.0       54.1       49.8       69.4       68.3
Old  :                 60.1       52.5       80.7       75.0       54.1       49.8       69.4       68.3
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, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :    54,157:    42,056     38,003      1,776      9,496      6,118          0          0          0      4,185        518         22:        0         0
Old  :    54,157:    42,056     38,003      1,776      9,496      6,118          0          0          0      4,185        518         22:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :    -2,641:    -1,560     -2,411          0        483       -713          0          0          0       -345         23        -23:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      77.7       70.2        3.3       17.5       11.3        0.0        0.0        0.0        7.7        1.0        0.0:      0.0       0.0
Old  :     100.0:      77.7       70.2        3.3       17.5       11.3        0.0        0.0        0.0        7.7        1.0        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  :        33:        17         20          .          5          4          0          0          0          .          .          .:
Old  :        33:        17         20          .          5          4          0          0          0          .          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 56.3       44.9       77.3       61.3       50.5       30.3       63.3       45.4
Old  :                 56.3       44.9       77.3       61.3       50.5       30.3       63.3       45.4
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, April 6, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              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  :   993,329:   782,560    644,818      6,515    203,620    116,339          0     23,400          0     87,915      5,152          0:        0         0
Old  :   993,329:   782,560    644,818      6,515    203,620    116,339          0     23,400          0     87,915      5,152          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 30, 2010                                                                   :
     :   -38,640:   -22,890    -33,015          0      4,500    -10,125          0          0          0     -5,625          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      78.8       64.9        0.7       20.5       11.7        0.0        2.4        0.0        8.9        0.5        0.0:      0.0       0.0
Old  :     100.0:      78.8       64.9        0.7       20.5       11.7        0.0        2.4        0.0        8.9        0.5        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:        18         17          .          5          .          0          .          0          .          .          0:
Old  :        35:        18         17          .          5          .          0          .          0          .          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 47.4       49.4       70.5       65.5       47.0       33.9       57.4       48.0
Old  :                 47.4       49.4       70.5       65.5       47.0       33.9       57.4       48.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated April 9, 2010