```
COAL (API 2) CIF ARA SWAP FUT - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-024656
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(CONTRACTS OF 1,000 METRIC TONS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :     9,656:     1,930      1,070        322        250        280        245        920        900      3,584      3,584      1,812:      583       840
Old  :     9,656:     1,930      1,070        322        250        280        245        920        900      3,584      3,584      1,812:      583       840
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :       253:       -75        -35        -65        -40        -55        240         90        -20         64        -75        163:        1       225
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      20.0       11.1        3.3        2.6        2.9        2.5        9.5        9.3       37.1       37.1       18.8:      6.0       8.7
Old  :     100.0:      20.0       11.1        3.3        2.6        2.9        2.5        9.5        9.3       37.1       37.1       18.8:      6.0       8.7
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  :        24:         .          .          .          .          .          .          .          4          5          9         13:
Old  :        24:         .          .          .          .          .          .          .          4          5          9         13:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 57.6       35.2       70.8       56.6       48.5       30.0       55.9       42.7
Old  :                 57.6       35.2       70.8       56.6       48.5       30.0       55.9       42.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WH REAL TIME PEAK OTC - ICE OTC                                                                                                              Code-064363
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 800 MWh)                                                                                                  :
     :          :    Positions                                                                                                           :
All  :   175,053:    99,420    123,440     11,606      4,609     19,216      3,854        691     21,223     12,329        391      4,788:    2,617       695
Old  :   175,053:    99,420    123,440     11,606      4,609     19,216      3,854        691     21,223     12,329        391      4,788:    2,617       695
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :    -1,982:    -1,975     -1,568      1,215       -487     -1,088     -1,045         57        955       -536        -33       -108:      600       290
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      56.8       70.5        6.6        2.6       11.0        2.2        0.4       12.1        7.0        0.2        2.7:      1.5       0.4
Old  :     100.0:      56.8       70.5        6.6        2.6       11.0        2.2        0.4       12.1        7.0        0.2        2.7:      1.5       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  :        80:        42         42          6          5          8          8          .          4          7          4          7:
Old  :        80:        42         42          6          5          8          8          .          4          7          4          7:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 24.9       43.2       43.7       62.7       18.7       37.8       29.6       47.6
Old  :                 24.9       43.2       43.7       62.7       18.7       37.8       29.6       47.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MID-C FINANCIAL PEAK OTC - ICE OTC                                                                                                               Code-064391
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 400 MWh)                                                                                                  :
     :          :    Positions                                                                                                           :
All  :    66,178:    50,897     47,259      4,336      7,823     10,329         52        200        157        195        224        132:       80        54
Old  :    66,178:    50,897     47,259      4,336      7,823     10,329         52        200        157        195        224        132:       80        54
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :      -221:      -347       -956       -378        -99        476       -104        200         81         75        101        -24:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      76.9       71.4        6.6       11.8       15.6        0.1        0.3        0.2        0.3        0.3        0.2:      0.1       0.1
Old  :     100.0:      76.9       71.4        6.6       11.8       15.6        0.1        0.3        0.2        0.3        0.3        0.2:      0.1       0.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        41:        26         23          .          4          5          .          .          .          .          .          .:
Old  :        41:        26         23          .          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  :                 54.1       47.1       76.5       70.9       42.9       40.1       56.8       53.5
Old  :                 54.1       47.1       76.5       70.9       42.9       40.1       56.8       53.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MID-C FINANCIAL OFF-PEAK OTC - ICE OTC                                                                                                           Code-064392
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 25 MWh)                                                                                                   :
     :          :    Positions                                                                                                           :
All  :   582,143:   482,955    407,881     29,200    110,625     62,989      1,674          0          0      4,677          0        648:        0         0
Old  :   582,143:   482,955    407,881     29,200    110,625     62,989      1,674          0          0      4,677          0        648:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :     3,244:       969      1,060        945      2,184          0      1,330          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      83.0       70.1        5.0       19.0       10.8        0.3        0.0        0.0        0.8        0.0        0.1:      0.0       0.0
Old  :     100.0:      83.0       70.1        5.0       19.0       10.8        0.3        0.0        0.0        0.8        0.0        0.1:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        35:        22         24          .          .          5          .          0          0          .          0          .:
Old  :        35:        22         24          .          .          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  :                 50.5       56.7       77.6       71.0       36.5       46.1       53.1       53.4
Old  :                 50.5       56.7       77.6       71.0       36.5       46.1       53.1       53.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WH OFF PEAK REAL TIME OTC - ICE OTC                                                                                                          Code-064394
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 50 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  : 1,623,844: 1,080,227  1,268,140    226,559    169,617     89,495    121,159     14,367     60,012     40,057     15,878      6,335:        0         0
Old  : 1,623,844: 1,080,227  1,268,140    226,559    169,617     89,495    121,159     14,367     60,012     40,057     15,878      6,335:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :    12,664:     6,386     29,943     -4,342    -13,648      1,184     14,909     -3,198     -1,994     -3,856          0        377:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      66.5       78.1       14.0       10.4        5.5        7.5        0.9        3.7        2.5        1.0        0.4:      0.0       0.0
Old  :     100.0:      66.5       78.1       14.0       10.4        5.5        7.5        0.9        3.7        2.5        1.0        0.4:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        57:        34         34          6          .          5          .          .          4          4          .          4:
Old  :        57:        34         34          6          .          5          .          .          4          4          .          4:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 37.2       53.8       55.9       69.7       29.5       48.4       46.5       57.5
Old  :                 37.2       53.8       55.9       69.7       29.5       48.4       46.5       57.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SP15 FIN DAYAHEAD LPM PEAK OTC - ICE OTC                                                                                                         Code-064395
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 400 Megawatt Hours)                                                                                       :
     :          :    Positions                                                                                                           :
All  :    82,771:    59,286     59,116      7,994      7,687     14,003         25        707        431        262         48        616:      154       163
Old  :    82,771:    59,286     59,116      7,994      7,687     14,003         25        707        431        262         48        616:      154       163
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :      -515:    -1,755       -735      2,642      1,212     -1,755          0        358        330        -52          0        -77:      152       152
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      71.6       71.4        9.7        9.3       16.9        0.0        0.9        0.5        0.3        0.1        0.7:      0.2       0.2
Old  :     100.0:      71.6       71.4        9.7        9.3       16.9        0.0        0.9        0.5        0.3        0.1        0.7:      0.2       0.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        47:        27         26          .          6          5          .          .          .          .          .          .:
Old  :        47:        27         26          .          6          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  :                 43.9       40.6       65.9       61.6       28.2       31.8       41.1       40.8
Old  :                 43.9       40.6       65.9       61.6       28.2       31.8       41.1       40.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
SP15 FIN DA LPM OFF PEAK OTC - ICE OTC                                                                                                           Code-064396
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 25 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :   548,316:   363,500    421,327    174,471    114,373      4,192        344      3,837        977      2,534      1,312      2,298:        0         0
Old  :   548,316:   363,500    421,327    174,471    114,373      4,192        344      3,837        977      2,534      1,312      2,298:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :       262:        -9     -2,560        943        312          0          0      1,886          0       -672        624          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      66.3       76.8       31.8       20.9        0.8        0.1        0.7        0.2        0.5        0.2        0.4:      0.0       0.0
Old  :     100.0:      66.3       76.8       31.8       20.9        0.8        0.1        0.7        0.2        0.5        0.2        0.4:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        38:        21         17          .          4          .          .          .          .          .          .          .:
Old  :        38:        21         17          .          4          .          .          .          .          .          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 54.9       63.3       76.3       85.6       47.8       53.9       65.5       72.4
Old  :                 54.9       63.3       76.3       85.6       47.8       53.9       65.5       72.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064657
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    64,123:    43,503     25,121        132     27,998      4,720      8,481          0      4,602        850        213        429:    1,406     1,040
Old  :    64,123:    43,503     25,121        132     27,998      4,720      8,481          0      4,602        850        213        429:    1,406     1,040
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :    -4,729:    -2,885     -2,977        -44     -2,290        857     -2,929          0        206        340       -135        100:     -374      -490
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      67.8       39.2        0.2       43.7        7.4       13.2        0.0        7.2        1.3        0.3        0.7:      2.2       1.6
Old  :     100.0:      67.8       39.2        0.2       43.7        7.4       13.2        0.0        7.2        1.3        0.3        0.7:      2.2       1.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        43:        27         25          .          6          7          .          0          .          .          .          .:
Old  :        43:        27         25          .          6          7          .          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  :                 44.7       50.9       68.2       74.7       33.1       39.7       42.4       50.6
Old  :                 44.7       50.9       68.2       74.7       33.1       39.7       42.4       50.6
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 - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    17,726:     9,880     11,602      1,939        179      1,619        488        274      2,262          0      1,054        172:    1,366       564
Old  :    17,726:     9,880     11,602      1,939        179      1,619        488        274      2,262          0      1,054        172:    1,366       564
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :       181:       -82         88         24          0        111          0          0          0          0        -18          0:      128         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      55.7       65.5       10.9        1.0        9.1        2.8        1.5       12.8        0.0        5.9        1.0:      7.7       3.2
Old  :     100.0:      55.7       65.5       10.9        1.0        9.1        2.8        1.5       12.8        0.0        5.9        1.0:      7.7       3.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        26:        15         13          4          .          4          .          .          .          0          .          .:
Old  :        26:        15         13          4          .          4          .          .          .          0          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 47.7       46.4       73.1       69.4       42.1       38.0       53.8       53.3
Old  :                 47.7       46.4       73.1       69.4       42.1       38.0       53.8       53.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-06465I
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :     8,258:     6,294      3,826          0      2,004        117          0      1,030         48        264          0          8:    1,527     1,225
Old  :     8,258:     6,294      3,826          0      2,004        117          0      1,030         48        264          0          8:    1,527     1,225
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :      -311:       -30         40          0       -152          0          0        -78         -4        -29          0          0:     -248      -117
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      76.2       46.3        0.0       24.3        1.4        0.0       12.5        0.6        3.2        0.0        0.1:     18.5      14.8
Old  :     100.0:      76.2       46.3        0.0       24.3        1.4        0.0       12.5        0.6        3.2        0.0        0.1:     18.5      14.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        21:        14         12          0          .          .          0          .          .          .          0          .:
Old  :        21:        14         12          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  :                 44.0       47.8       62.6       69.1       29.8       33.9       44.3       48.2
Old  :                 44.0       47.8       62.6       69.1       29.8       33.9       44.3       48.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AEP DAYTON CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-06465K
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    13,080:     5,613     10,215      1,072         64      1,528          0        466        540      3,564          0          0:      763       267
Old  :    13,080:     5,613     10,215      1,072         64      1,528          0        466        540      3,564          0          0:      763       267
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :        86:       279        613          4        -74        -78          0       -266          0       -112          0          0:       -7      -109
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      42.9       78.1        8.2        0.5       11.7        0.0        3.6        4.1       27.2        0.0        0.0:      5.8       2.0
Old  :     100.0:      42.9       78.1        8.2        0.5       11.7        0.0        3.6        4.1       27.2        0.0        0.0:      5.8       2.0
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:        12         16          5          .          5          0          .          .          .          0          0:
Old  :        27:        12         16          5          .          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  :                 52.7       37.0       72.5       58.7       51.1       33.1       59.1       47.3
Old  :                 52.7       37.0       72.5       58.7       51.1       33.1       59.1       47.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-06465M
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MEGAWATTS PER OFF PEAK HRS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    23,959:    17,165     13,271        804      4,130      2,978        288      2,080        520        290          0         18:    1,896       962
Old  :    23,959:    17,165     13,271        804      4,130      2,978        288      2,080        520        290          0         18:    1,896       962
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :        94:      -540        748          0       -828        596          0       -400          0          0          0          0:       38       -22
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      71.6       55.4        3.4       17.2       12.4        1.2        8.7        2.2        1.2        0.0        0.1:      7.9       4.0
Old  :     100.0:      71.6       55.4        3.4       17.2       12.4        1.2        8.7        2.2        1.2        0.0        0.1:      7.9       4.0
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:        21         19          .          4          6          .          .          .          .          0          .:
Old  :        32:        21         19          .          4          6          .          .          .          .          0          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 34.1       40.4       53.5       65.6       21.7       34.6       34.7       48.1
Old  :                 34.1       40.4       53.5       65.6       21.7       34.6       34.7       48.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                         Code-06465N
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MEGAWATTS PER OFF PEAK HRS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :     8,917:     4,592      5,647        518          0        994      1,134          0        176          0          0          0:    1,503     2,100
Old  :     8,917:     4,592      5,647        518          0        994      1,134          0        176          0          0          0:    1,503     2,100
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :        40:        40         40          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      51.5       63.3        5.8        0.0       11.1       12.7        0.0        2.0        0.0        0.0        0.0:     16.9      23.6
Old  :     100.0:      51.5       63.3        5.8        0.0       11.1       12.7        0.0        2.0        0.0        0.0        0.0:     16.9      23.6
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:        15         14          .          0          .          .          0          .          0          0          0:
Old  :        21:        15         14          .          0          .          .          0          .          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 38.9       36.4       60.6       56.1       30.1       32.4       44.3       42.0
Old  :                 38.9       36.4       60.6       56.1       30.1       32.4       44.3       42.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
AEP DAYTON OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-06465O
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MEGAWATTS PER OFF PEAK HRS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    12,489:     6,151      6,339         84      1,368      1,472          0      2,390        156      3,562          0         24:    1,040       740
Old  :    12,489:     6,151      6,339         84      1,368      1,472          0      2,390        156      3,562          0         24:    1,040       740
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :         3:        -5          3          0          0          0          0          0          0          0          0          0:        8         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      49.3       50.8        0.7       11.0       11.8        0.0       19.1        1.2       28.5        0.0        0.2:      8.3       5.9
Old  :     100.0:      49.3       50.8        0.7       11.0       11.8        0.0       19.1        1.2       28.5        0.0        0.2:      8.3       5.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        21:        13         13          .          .          .          0          .          .          .          0          .:
Old  :        21:        13         13          .          .          .          0          .          .          .          0          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 56.2       49.2       76.4       71.2       51.9       36.3       55.7       49.0
Old  :                 56.2       49.2       76.4       71.2       51.9       36.3       55.7       49.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-06465S
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MEGAWATTS PER OFF PEAK HRS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    13,098:     8,814      7,000      1,178      1,288        946        378        948        818          0      1,456         48:      916       594
Old  :    13,098:     8,814      7,000      1,178      1,288        946        378        948        818          0      1,456         48:      916       594
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :        90:        90        288          0       -240          0          0          0          0          0         42          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      67.3       53.4        9.0        9.8        7.2        2.9        7.2        6.2        0.0       11.1        0.4:      7.0       4.5
Old  :     100.0:      67.3       53.4        9.0        9.8        7.2        2.9        7.2        6.2        0.0       11.1        0.4:      7.0       4.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        23:        14         12          .          .          4          .          .          .          0          .          .:
Old  :        23:        14         12          .          .          4          .          .          .          0          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 46.4       46.8       70.0       70.8       41.9       38.4       53.6       58.1
Old  :                 46.4       46.8       70.0       70.8       41.9       38.4       53.6       58.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                          Code-064A34
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    58,974:    53,560     47,775      2,510      8,295      2,904          0          0          0          0          0          0:        0         0
Old  :    58,974:    53,560     47,775      2,510      8,295      2,904          0          0          0          0          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :        64:        64         23        -20         21         20          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      90.8       81.0        4.3       14.1        4.9        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      90.8       81.0        4.3       14.1        4.9        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        26:        16         13          .          .          .          0          0          0          0          0          0:
Old  :        26:        16         13          .          .          .          0          0          0          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 70.0       84.4       85.1       96.7       70.0       78.4       82.9       89.4
Old  :                 70.0       84.4       85.1       96.7       70.0       78.4       82.9       89.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A35
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  :   970,143:   872,151    799,770     45,631    118,012     52,361          0          0          0          0          0          0:        0         0
Old  :   970,143:   872,151    799,770     45,631    118,012     52,361          0          0          0          0          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :     2,520:     2,520      2,120       -400          0        400          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      89.9       82.4        4.7       12.2        5.4        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      89.9       82.4        4.7       12.2        5.4        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        25:        13         14          .          .          .          0          0          0          0          0          0:
Old  :        25:        13         14          .          .          .          0          0          0          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 70.2       84.9       89.2       94.3       69.3       78.2       85.3       86.7
Old  :                 70.2       84.9       89.2       94.3       69.3       78.2       85.3       86.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064A54
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    27,041:    26,831     12,269        210     14,772          0          0          0          0          0          0          0:        0         0
Old  :    27,041:    26,831     12,269        210     14,772          0          0          0          0          0          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      99.2       45.4        0.8       54.6        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      99.2       45.4        0.8       54.6        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:        12          7          .          .          0          0          0          0          0          0          0:
Old  :        20:        12          7          .          .          0          0          0          0          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 67.8       92.0       92.8       99.2       67.8       92.0       92.5       96.6
Old  :                 67.8       92.0       92.8       99.2       67.8       92.0       92.5       96.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A56
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :   101,445:    59,026     99,110     41,657      1,636        465          0          0          0         42          0          0:      255       234
Old  :   101,445:    59,026     99,110     41,657      1,636        465          0          0          0         42          0          0:      255       234
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      58.2       97.7       41.1        1.6        0.5        0.0        0.0        0.0        0.0        0.0        0.0:      0.3       0.2
Old  :     100.0:      58.2       97.7       41.1        1.6        0.5        0.0        0.0        0.0        0.0        0.0        0.0:      0.3       0.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        38:        13         25          4          .          .          0          0          0          .          0          0:
Old  :        38:        13         25          4          .          .          0          0          0          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 71.2       40.9       88.9       64.8       70.7       40.9       85.1       63.5
Old  :                 71.2       40.9       88.9       64.8       70.7       40.9       85.1       63.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A57
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 MEGAWATT HOURS)                                                                                         :
     :          :    Positions                                                                                                           :
All  : 1,404,138:   836,585  1,372,311    542,914     11,108     20,719          0          0          0      3,920          0          0:        0         0
Old  : 1,404,138:   836,585  1,372,311    542,914     11,108     20,719          0          0          0      3,920          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      59.6       97.7       38.7        0.8        1.5        0.0        0.0        0.0        0.3        0.0        0.0:      0.0       0.0
Old  :     100.0:      59.6       97.7       38.7        0.8        1.5        0.0        0.0        0.0        0.3        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        36:        14         21          4          .          .          0          0          0          .          0          0:
Old  :        36:        14         21          4          .          .          0          0          0          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 68.5       44.3       90.6       65.5       67.0       44.3       83.2       64.2
Old  :                 68.5       44.3       90.6       65.5       67.0       44.3       83.2       64.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A58
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    69,661:    43,314     45,392      7,699      7,488      5,256      2,545      2,235      9,290      1,557          0          0:        0         0
Old  :    69,661:    43,314     45,392      7,699      7,488      5,256      2,545      2,235      9,290      1,557          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :     1,390:       115        115      1,275          0          0     -1,275          0      1,275          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      62.2       65.2       11.1       10.7        7.5        3.7        3.2       13.3        2.2        0.0        0.0:      0.0       0.0
Old  :     100.0:      62.2       65.2       11.1       10.7        7.5        3.7        3.2       13.3        2.2        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        36:        22         15          4          .          5          .          .          .          .          0          0:
Old  :        36:        22         15          4          .          5          .          .          .          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 35.1       46.9       54.7       75.6       26.0       37.8       40.2       53.8
Old  :                 35.1       46.9       54.7       75.6       26.0       37.8       40.2       53.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A59
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  : 1,147,346:   940,626    580,848     47,195    331,464     97,493          0    117,450          0     42,561        620     19,471:        0         0
Old  : 1,147,346:   940,626    580,848     47,195    331,464     97,493          0    117,450          0     42,561        620     19,471:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      82.0       50.6        4.1       28.9        8.5        0.0       10.2        0.0        3.7        0.1        1.7:      0.0       0.0
Old  :     100.0:      82.0       50.6        4.1       28.9        8.5        0.0       10.2        0.0        3.7        0.1        1.7:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        40:        23         16          .          5          6          0          .          0          .          .          .:
Old  :        40:        23         16          .          5          6          0          .          0          .          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 41.1       42.7       60.7       69.2       36.3       38.3       53.6       59.8
Old  :                 41.1       42.7       60.7       69.2       36.3       38.3       53.6       59.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A60
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    51,772:    42,695     39,269      5,435      4,460      3,515          0      2,289          0          0      1,708          0:      127       531
Old  :    51,772:    42,695     39,269      5,435      4,460      3,515          0      2,289          0          0      1,708          0:      127       531
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :       164:         0        205        205          0        -41          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      82.5       75.8       10.5        8.6        6.8        0.0        4.4        0.0        0.0        3.3        0.0:      0.2       1.0
Old  :     100.0:      82.5       75.8       10.5        8.6        6.8        0.0        4.4        0.0        0.0        3.3        0.0:      0.2       1.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        27:        14         11          .          .          4          0          .          0          0          .          0:
Old  :        27:        14         11          .          .          4          0          .          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 57.2       68.5       78.9       85.9       53.7       57.1       68.9       73.0
Old  :                 57.2       68.5       78.9       85.9       53.7       57.1       68.9       73.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MW IND TR REAL TIME PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A61
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    24,431:    17,094     11,599      5,555      5,012      1,455          0      6,165        200          0          0          0:      127         0
Old  :    24,431:    17,094     11,599      5,555      5,012      1,455          0      6,165        200          0          0          0:      127         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :      -220:      -220          0        220          0       -220          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      70.0       47.5       22.7       20.5        6.0        0.0       25.2        0.8        0.0        0.0        0.0:      0.5       0.0
Old  :     100.0:      70.0       47.5       22.7       20.5        6.0        0.0       25.2        0.8        0.0        0.0        0.0:      0.5       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:        11          9          .          .          .          0          .          .          0          0          0:
Old  :        20:        11          9          .          .          .          0          .          .          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 82.3       66.4       93.7       87.5       73.2       57.2       80.5       74.9
Old  :                 82.3       66.4       93.7       87.5       73.2       57.2       80.5       74.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A63
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    42,995:    25,564     34,466     11,068      2,054      2,015      1,270      4,460          0      2,505          0          0:      573         0
Old  :    42,995:    25,564     34,466     11,068      2,054      2,015      1,270      4,460          0      2,505          0          0:      573         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :    -1,191:    -1,275         84     -1,020          0          0          0     -1,275          0      1,104          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      59.5       80.2       25.7        4.8        4.7        3.0       10.4        0.0        5.8        0.0        0.0:      1.3       0.0
Old  :     100.0:      59.5       80.2       25.7        4.8        4.7        3.0       10.4        0.0        5.8        0.0        0.0:      1.3       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        28:        11         13          .          .          .          .          .          0          .          0          0:
Old  :        28:        11         13          .          .          .          .          .          0          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 61.5       57.4       83.0       80.2       39.8       38.3       54.1       53.8
Old  :                 61.5       57.4       83.0       80.2       39.8       38.3       54.1       53.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A68
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    16,779:    11,279     11,177      2,074      2,350      1,912          0          0          0        381        868        218:      915       254
Old  :    16,779:    11,279     11,177      2,074      2,350      1,912          0          0          0        381        868        218:      915       254
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :       974:       974        974          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      67.2       66.6       12.4       14.0       11.4        0.0        0.0        0.0        2.3        5.2        1.3:      5.5       1.5
Old  :     100.0:      67.2       66.6       12.4       14.0       11.4        0.0        0.0        0.0        2.3        5.2        1.3:      5.5       1.5
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  :        26:        12         13          .          .          .          0          0          0          .          .          .:
Old  :        26:        12         13          .          .          .          0          0          0          .          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 50.3       58.0       77.6       84.2       43.2       53.4       65.2       71.4
Old  :                 50.3       58.0       77.6       84.2       43.2       53.4       65.2       71.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NYISO ZONE J 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A69
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    12,771:     9,397      7,959      1,897      2,331      1,138          0          0          0        212      1,067          0:      127       276
Old  :    12,771:     9,397      7,959      1,897      2,331      1,138          0          0          0        212      1,067          0:      127       276
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      73.6       62.3       14.9       18.3        8.9        0.0        0.0        0.0        1.7        8.4        0.0:      1.0       2.2
Old  :     100.0:      73.6       62.3       14.9       18.3        8.9        0.0        0.0        0.0        1.7        8.4        0.0:      1.0       2.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        21:        12          6          .          .          4          0          0          0          .          .          0:
Old  :        21:        12          6          .          .          4          0          0          0          .          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 52.7       62.7       78.1       90.7       51.6       56.7       70.8       76.3
Old  :                 52.7       62.7       78.1       90.7       51.6       56.7       70.8       76.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A78
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  :   871,628:   767,917    613,712     57,820    151,840     22,491          0         80     23,400          0     60,105          0:        0         0
Old  :   871,628:   767,917    613,712     57,820    151,840     22,491          0         80     23,400          0     60,105          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :     3,236:         0      4,045      4,045          0       -809          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      88.1       70.4        6.6       17.4        2.6        0.0        0.0        2.7        0.0        6.9        0.0:      0.0       0.0
Old  :     100.0:      88.1       70.4        6.6       17.4        2.6        0.0        0.0        2.7        0.0        6.9        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        27:        18         11          .          .          .          0          .          .          0          .          0:
Old  :        27:        18         11          .          .          .          0          .          .          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 56.7       73.0       79.1       90.8       44.0       56.8       60.6       68.0
Old  :                 56.7       73.0       79.1       90.8       44.0       56.8       60.6       68.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL HUB 5 OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A79
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  :   993,244:   574,524    689,249    292,759    122,220     58,680     23,850    111,095     12,000     31,431          0          0:        0         0
Old  :   993,244:   574,524    689,249    292,759    122,220     58,680     23,850    111,095     12,000     31,431          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :         0:         0          0     -9,360          0          0          0          0          0      9,360          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      57.8       69.4       29.5       12.3        5.9        2.4       11.2        1.2        3.2        0.0        0.0:      0.0       0.0
Old  :     100.0:      57.8       69.4       29.5       12.3        5.9        2.4       11.2        1.2        3.2        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        24:        12         11          .          .          .          .          .          .          .          0          0:
Old  :        24:        12         11          .          .          .          .          .          .          .          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  :                 63.7       79.4       86.8       92.9       49.3       60.2       65.4       70.0
Old  :                 63.7       79.4       86.8       92.9       49.3       60.2       65.4       70.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM AEP DAYTON OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A80
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  :   525,429:    93,892    264,572    141,135    150,129     48,637     86,090          0      5,635     93,584          0     56,456:        0         0
Old  :   525,429:    93,892    264,572    141,135    150,129     48,637     86,090          0      5,635     93,584          0     56,456:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      17.9       50.4       26.9       28.6        9.3       16.4        0.0        1.1       17.8        0.0       10.7:      0.0       0.0
Old  :     100.0:      17.9       50.4       26.9       28.6        9.3       16.4        0.0        1.1       17.8        0.0       10.7:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        21:        10         10          4          .          .          .          0          .          .          0          .:
Old  :        21:        10         10          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  :                 72.5       65.8       88.0       90.7       53.0       59.6       67.9       71.9
Old  :                 72.5       65.8       88.0       90.7       53.0       59.6       67.9       71.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
NYISO ZONE G5 MW OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A84
Disaggregated Commitments of Traders - Futures Only, July 31, 2012                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  :   140,744:    87,190     62,253     31,280     49,185     22,274          0        784          0          0      6,248          0:        0         0
Old  :   140,744:    87,190     62,253     31,280     49,185     22,274          0        784          0          0      6,248          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       July 24, 2012                                                                    :
     :         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      61.9       44.2       22.2       34.9       15.8        0.0        0.6        0.0        0.0        4.4        0.0:      0.0       0.0
Old  :     100.0:      61.9       44.2       22.2       34.9       15.8        0.0        0.6        0.0        0.0        4.4        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:         6          8          .          .          .          0          .          0          0          .          0:
Old  :        20:         6          8          .          .          .          0          .          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 67.1       60.2       96.7       86.0       60.6       53.3       80.8       75.2
Old  :                 67.1       60.2       96.7       86.0       60.6       53.3       80.8       75.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated August 3, 2012