```
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WH REAL TIME PEAK OTC - ICE OTC   (Contracts of 800 MWh)                                                   :
CFTC Code #064363                                                    Open Interest is   157,297                :
: Positions                                                                                                    :
:   82,023   100,820    11,348    21,821    13,047    21,432       693    16,077     8,116         0     3,671 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:   -4,420      -956     1,437    -1,931      -777     1,415       468    -1,498      -938       -84      -308 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     52.1      64.1       7.2      13.9       8.3      13.6       0.4      10.2       5.2       0.0       2.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    78                     :
:       41        38         7         8         9         7         .         .         8         0         7 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MID-C FINANCIAL PEAK OTC - ICE OTC   (Contracts of 400 MWh)                                                    :
CFTC Code #064391                                                    Open Interest is    68,027                :
: Positions                                                                                                    :
:   54,425    43,207     3,906    15,483     6,153       373       125     2,595       135        29       435 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:   -1,426     1,369      -397    -3,130      -697       100      -385      -146      -394        29        21 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     80.0      63.5       5.7      22.8       9.0       0.5       0.2       3.8       0.2       0.0       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    41                     :
:       24        24         .         4         6         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MID-C FINANCIAL OFF-PEAK OTC - ICE OTC   (Contracts of 25 MWh)                                                 :
CFTC Code #064392                                                    Open Interest is   566,963                :
: Positions                                                                                                    :
:  508,097   349,618       656   148,539    50,666         0    17,829         0     7,233         0       311 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:  -26,314    19,148    -3,277   -52,879     2,529      -300     3,199    -1,312      -641         0       -10 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     89.6      61.7       0.1      26.2       8.9       0.0       3.1       0.0       1.3       0.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       21        20         .         5         4         0         .         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WH OFF PEAK REAL TIME OTC - ICE OTC   (Contracts of 50 Megawatt Hours)                                     :
CFTC Code #064394                                                    Open Interest is 1,619,641                :
: Positions                                                                                                    :
:  970,206 1,200,913   268,343   122,612   173,480    99,481         0    92,717     7,463    21,953     7,158 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:  -38,885   -43,176    -5,462     1,456    -6,544     3,393      -408    -3,466       784     1,958    -3,518 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     59.9      74.1      16.6       7.6      10.7       6.1       0.0       5.7       0.5       1.4       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    61                     :
:       34        27         7         .         9         6         0         6         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SP15 FIN DAYAHEAD LPM PEAK OTC - ICE OTC   (Contracts of 400 Megawatt Hours)                                   :
CFTC Code #064395                                                    Open Interest is   122,860                :
: Positions                                                                                                    :
:   85,003    85,653     9,460    10,463    22,842     1,855         0     3,156         0       197       518 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:      557    -6,155    -6,798      -265     5,179       -80         0      -125      -135       -36       -20 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     69.2      69.7       7.7       8.5      18.6       1.5       0.0       2.6       0.0       0.2       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    46                     :
:       26        29         4         5         7         .         0         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SP15 FIN DA LPM OFF PEAK OTC - ICE OTC   (Contracts of 25 Megawatt Hours)                                      :
CFTC Code #064396                                                    Open Interest is   576,177                :
: Positions                                                                                                    :
:  412,268   403,821   137,888   132,500    25,373         0    11,916         0         0     1,919       648 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:    7,894    13,278     5,712         0    -2,856         0         0         0         0       328      -328 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     71.6      70.1      23.9      23.0       4.4       0.0       2.1       0.0       0.0       0.3       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    34                     :
:       20        19         .         4         .         0         .         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                      :
CFTC Code #064657                                                    Open Interest is    58,718                :
: Positions                                                                                                    :
:   25,093    20,527     1,542    29,640     4,466    21,894       260     2,612       836         0       302 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:    1,213    -2,013      -188     1,742       692    -1,116       -80       -32      -324         0       284 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     42.7      35.0       2.6      50.5       7.6      37.3       0.4       4.4       1.4       0.0       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    42                     :
:       24        19         .         7         9         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                     :
CFTC Code #06465H                                                    Open Interest is    15,384                :
: Positions                                                                                                    :
:   10,147    10,598     1,579       984     1,088       200       524     1,202         0       558        24 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:     -418      -365      -169         2        18       120       126       -20         0      -106        -4 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.0      68.9      10.3       6.4       7.1       1.3       3.4       7.8       0.0       3.6       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    31                     :
:       16        16         4         .         4         .         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                 :
CFTC Code #06465I                                                    Open Interest is    10,622                :
: Positions                                                                                                    :
:    6,524     6,428         0     1,685       576       222       720       420       485         0         8 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:     -276      -280         0       -77      -124      -130         0       120       -25         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     61.4      60.5       0.0      15.9       5.4       2.1       6.8       4.0       4.6       0.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       13        12         0         4         .         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
AEP DAYTON CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                :
CFTC Code #06465K                                                    Open Interest is    11,946                :
: Positions                                                                                                    :
:    5,262     7,546     1,014     1,743     1,313       600       438        88     2,800         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:       94      -134       -78       219       -99         0        90         0       -54         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     44.0      63.2       8.5      14.6      11.0       5.0       3.7       0.7      23.4       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:        9        13         .         .         .         .         .         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                :
CFTC Code #06465M                                                    Open Interest is    28,037                :
: Positions                                                                                                    :
:   16,838    10,646     2,574     8,673     3,010     1,920     3,180         0     1,034         0       142 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:     -837       274       318      -239       -82       240       -10         0        66         0       -98 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.1      38.0       9.2      30.9      10.7       6.8      11.3       0.0       3.7       0.0       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       18        16         .         .         6         .         .         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                    :
CFTC Code #06465N                                                    Open Interest is    10,999                :
: Positions                                                                                                    :
:    3,863     6,466       150     1,790       364     4,770         0       638         0         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:     -154       256       -84      -170         3       522       -98       -22         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     35.1      58.8       1.4      16.3       3.3      43.4       0.0       5.8       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       14        12         .         .         4         .         0         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                  :
CFTC Code #06465S                                                    Open Interest is    12,684                :
: Positions                                                                                                    :
:    9,392     7,030       804     1,691       918         0     1,260       550         0       618        36 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:     -200      -270       -12       -63        -4         0        10       -10         0        24        -8 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     74.0      55.4       6.3      13.3       7.2       0.0       9.9       4.3       0.0       4.9       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       17        11         .         4         4         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                     :
CFTC Code #064A34                                                    Open Interest is    63,247                :
: Positions                                                                                                    :
:   58,087    51,586     2,589     9,111     2,550         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:   -2,101    -1,743       -42      -421         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     91.8      81.6       4.1      14.4       4.0       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       17        14         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                  :
CFTC Code #064A35                                                    Open Interest is 1,029,530                :
: Positions                                                                                                    :
:  933,882   826,311    42,984   150,555    52,664         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:  -23,180   -12,759      -770   -11,191         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     90.7      80.3       4.2      14.6       5.1       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       17        13         .         4         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PPL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                    :
CFTC Code #064A53                                                    Open Interest is   315,637                :
: Positions                                                                                                    :
:  314,821   214,048       816   101,589         0         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:  -26,565   -19,250      -770    -8,085         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     99.7      67.8       0.3      32.2       0.0       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       10         8         .         .         0         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                      :
CFTC Code #064A54                                                    Open Interest is    35,697                :
: Positions                                                                                                    :
:   23,743    22,415    10,240    11,568     1,714         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:   -1,533    -2,268    -1,680      -945      -399         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.5      62.8      28.7      32.4       4.8       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       11         9         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PSEG OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                   :
CFTC Code #064A55                                                    Open Interest is   659,481                :
: Positions                                                                                                    :
:  438,936   415,769   187,440   210,607    33,105         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:  -33,495   -43,505   -30,800   -20,790    -3,850         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.6      63.0      28.4      31.9       5.0       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       11         9         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                   :
CFTC Code #064A56                                                    Open Interest is   119,139                :
: Positions                                                                                                    :
:   67,240   101,990    50,081    15,691     1,458         0         0         0       105         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:   -2,763    -5,997    -5,334    -2,205      -273         0         0         0      -105         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     56.4      85.6      42.0      13.2       1.2       0.0       0.0       0.0       0.1       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       12        24         .         .         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 50 MEGAWATT HOURS)               :
CFTC Code #064A57                                                    Open Interest is 2,006,078                :
: Positions                                                                                                    :
:1,092,064 1,720,265   881,818   257,697    28,116         0         0         0     4,080         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:  -60,375  -121,240   -95,900   -38,885    -4,620         0         0         0    -3,850         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.4      85.8      44.0      12.8       1.4       0.0       0.0       0.0       0.2       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    39                     :
:       12        22         4         4         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                   :
CFTC Code #064A58                                                    Open Interest is    49,104                :
: Positions                                                                                                    :
:   34,672    36,514     6,964     5,877     2,871       304       400     2,886     1,275       424       132 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:   -1,359    -1,035       483     2,043    -2,688       304    -1,391       971         0      -189         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     70.6      74.4      14.2      12.0       5.8       0.6       0.8       5.9       2.6       0.9       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    36                     :
:       21        17         5         .         4         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A59                                                    Open Interest is 1,182,422                :
: Positions                                                                                                    :
:  916,763   563,903    51,306   396,683   162,876    14,112    37,365         0    23,400     7,630    13,965 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:  -22,504   -34,927   -15,395    -1,925     7,752    -9,408    -9,675         0         0      -780     4,680 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     77.5      47.7       4.3      33.5      13.8       1.2       3.2       0.0       2.0       0.6       1.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    37                     :
:       21        16         .         4         5         .         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                :
CFTC Code #064A60                                                    Open Interest is    51,399                :
: Positions                                                                                                    :
:   47,326    36,779     1,890    11,413     2,162         0       381         0         0       409         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:   -1,712    -1,953      -105       -63      -252         0         0         0         0       178         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     92.1      71.6       3.7      22.2       4.2       0.0       0.7       0.0       0.0       0.8       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       17        13         .         4         .         0         .         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MW IND TR REAL TIME PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                :
CFTC Code #064A61                                                    Open Interest is    24,962                :
: Positions                                                                                                    :
:   20,570    10,682     3,888     8,970       210         0     4,806       294         0         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:    7,230      -567      -483     7,440       210         0         0         0         0      -126         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     82.4      42.8      15.6      35.9       0.8       0.0      19.3       1.2       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       10         7         .         .         .         0         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                 :
CFTC Code #064A63                                                    Open Interest is    48,771                :
: Positions                                                                                                    :
:   26,612    40,911    19,084     5,100       210     2,550     2,340       210         0         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:       15    -1,407        84         0       -84         0     1,485      -210         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.6      83.9      39.1      10.5       0.4       5.2       4.8       0.4       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       14        15         .         .         .         .         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM AEP DAY HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)               :
CFTC Code #064A64                                                    Open Interest is    41,446                :
: Positions                                                                                                    :
:   10,174    20,640     9,291    17,595       441     1,265         0     2,560    17,250         0       210 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:   -1,175     6,806     8,049         0      -441         0         0         0       -68         0      -147 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     24.5      49.8      22.4      42.5       1.1       3.1       0.0       6.2      41.6       0.0       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:        7        12         .         .         .         .         0         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A68                                                    Open Interest is    17,713                :
: Positions                                                                                                    :
:   10,966    10,768     3,644     3,872     1,530         0     1,179        21       765        88         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:   -1,575      -336      -189    -1,680         0         0     1,071      -126         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     61.9      60.8      20.6      21.9       8.6       0.0       6.7       0.1       4.3       0.5       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       11        10         .         .         .         0         .         .         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                 :
CFTC Code #064A78                                                    Open Interest is   915,333                :
: Positions                                                                                                    :
:  851,650   585,071         0   254,053    39,059    23,400     2,040         0         0    33,886     1,224 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:  -40,760   -44,215         0     8,470   -14,630         0    -1,925         0         0    -3,090         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     93.0      63.9       0.0      27.8       4.3       2.6       0.2       0.0       0.0       3.7       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    31                     :
:       18        16         0         5         .         .         .         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL HUB 5 OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                 :
CFTC Code #064A79                                                    Open Interest is   977,452                :
: Positions                                                                                                    :
:  449,525   777,244   383,352   151,368    48,840    95,735         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:   -3,902    -3,902    -2,695    -2,695    -1,925         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     46.0      79.5      39.2      15.5       5.0       9.8       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       13        14         .         .         .         .         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 6, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE A 5MW OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A82                                                    Open Interest is   119,845                :
: Positions                                                                                                    :
:  117,411    75,664       816    40,523     1,618         0         0         0         0     2,040         0 :
:                                                                                                              :
: Changes from:     November 29, 2011                                                                          :
:  -11,165    -3,465      -770    -6,545         0         0         0         0         0    -1,925         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     98.0      63.1       0.7      33.8       1.4       0.0       0.0       0.0       0.0       1.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        9         8         .         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
```

----

Updated December 9, 2011