```
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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   159,944                :
: Positions                                                                                                    :
:   83,754   102,204    12,282    21,719    13,932    20,714     1,058    16,708     7,537        44     3,655 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:    1,731     1,384       934      -102       885      -718       365       631      -579        44       -16 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     52.4      63.9       7.7      13.6       8.7      13.0       0.7      10.4       4.7       0.0       2.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    77                     :
:       40        38         6         9         9         6         .         4         7         .         7 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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    67,658                :
: Positions                                                                                                    :
:   53,676    43,668     3,907    14,170     6,813       246       204     2,339       208         0       464 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:     -749       461         1    -1,313       660      -127        79      -256        73       -29        29 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     79.3      64.5       5.8      20.9      10.1       0.4       0.3       3.5       0.3       0.0       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       23        24         .         4         6         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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   581,916                :
: Positions                                                                                                    :
:  488,878   371,224     1,616   119,098    81,110         0     8,853     1,000     8,361         0       631 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:  -19,219    21,606       960   -29,441    30,444         0    -8,976     1,000     1,128         0       320 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     84.0      63.8       0.3      20.5      13.9       0.0       1.5       0.2       1.4       0.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       22        23         .         4         .         0         .         .         4         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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 1,652,524                :
: Positions                                                                                                    :
:  996,490 1,233,865   252,726   107,732   196,097   100,527         0    90,780     7,846    16,016     8,034 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:   26,284    32,952   -15,617   -14,880    22,617     1,046         0    -1,937       383    -5,937       876 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.3      74.7      15.3       6.5      11.9       6.1       0.0       5.5       0.5       1.0       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    60                     :
:       36        28         6         .         9         6         0         6         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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   116,834                :
: Positions                                                                                                    :
:   81,727    80,165     9,500    12,435    20,987     1,252         0     2,774       124         0       444 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:   -3,276    -5,488        40     1,972    -1,855      -603         0      -382       124      -197       -74 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     70.0      68.6       8.1      10.6      18.0       1.1       0.0       2.4       0.1       0.0       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 13, 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   544,426                :
: Positions                                                                                                    :
:  400,266   373,222   117,056   131,870    26,456         0    10,632         0         0     1,598       648 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:  -12,002   -30,599   -20,832      -630     1,083         0    -1,284         0         0      -321         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.5      68.6      21.5      24.2       4.9       0.0       2.0       0.0       0.0       0.3       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    33                     :
:       20        18         .         4         .         0         .         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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    59,620                :
: Positions                                                                                                    :
:   25,241    19,386     1,758    30,463     5,562    21,830       260     2,334       716       360       182 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:      148    -1,141       216       823     1,096       -64         0      -278      -120       360      -120 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     42.3      32.5       2.9      51.1       9.3      36.6       0.4       3.9       1.2       0.6       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       23        17         .         7         9         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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    16,467                :
: Positions                                                                                                    :
:   10,493    11,184     1,579     1,272     1,108       140       204     1,702         0       546        30 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:      346       586         0       288        20       -60      -320       500         0       -12         6 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.7      67.9       9.6       7.7       6.7       0.9       1.2      10.3       0.0       3.3       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    32                     :
:       17        17         .         4         4         .         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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    10,828                :
: Positions                                                                                                    :
:    6,850     6,514         0     1,805       456       102       720       540       485         0         8 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:      326        86         0       120      -120      -120         0       120         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.3      60.2       0.0      16.7       4.2       0.9       6.6       5.0       4.5       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 13, 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    12,085                :
: Positions                                                                                                    :
:    5,692     7,450     1,014     1,815     1,313       120       662       104     3,112         0         0 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:      430       -96         0        72         0      -480       224        16       312         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     47.1      61.6       8.4      15.0      10.9       1.0       5.5       0.9      25.8       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       11        14         .         .         .         .         .         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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    28,525                :
: Positions                                                                                                    :
:   17,194    11,864     2,574     8,721     2,962     2,248     2,820       120     1,034         0       142 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:      356     1,218         0        48       -48       328      -360       120         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.3      41.6       9.0      30.6      10.4       7.9       9.9       0.4       3.6       0.0       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    29                     :
:       18        17         .         .         6         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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    11,069                :
: Positions                                                                                                    :
:    4,089     6,763       150     1,760       364     4,830         0       578         0         0         0 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:      226       297         0       -30         0        60         0       -60         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     36.9      61.1       1.4      15.9       3.3      43.6       0.0       5.2       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       15        14         .         .         4         .         0         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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 OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                   :
CFTC Code #06465O                                                    Open Interest is    12,492                :
: Positions                                                                                                    :
:    7,289     4,148       362     4,399       830         0     1,636       150     2,900         0        32 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:        .         .         .         .         .         .         .         .         .         .         . :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     58.3      33.2       2.9      35.2       6.6       0.0      13.1       1.2      23.2       0.0       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       12        11         .         .         4         0         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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    12,810                :
: Positions                                                                                                    :
:    9,438     6,714       804     1,691       918         0     1,332       550         0       654        24 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:       46      -316         0         0         0         0        72         0         0        36       -12 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.7      52.4       6.3      13.2       7.2       0.0      10.4       4.3       0.0       5.1       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       17        12         .         4         4         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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    67,432                :
: Positions                                                                                                    :
:   62,272    55,666     2,589     9,216     2,550         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:    4,185     4,080         0       105         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     92.3      82.6       3.8      13.7       3.8       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 13, 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 1,070,857                :
: Positions                                                                                                    :
:  975,209   867,286    42,984   150,907    52,664         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:   41,327    40,975         0       352         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     91.1      81.0       4.0      14.1       4.9       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 13, 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:     December 6, 2011                                                                           :
:        0         0         0         0         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 13, 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    35,907                :
: Positions                                                                                                    :
:   23,743    22,625    10,240    11,358     1,924         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:        0       210         0      -210       210         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.1      63.0      28.5      31.6       5.4       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       11        10         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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:     December 6, 2011                                                                           :
:        0         0         0         0         0         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 13, 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   124,113                :
: Positions                                                                                                    :
:   72,424   106,964    49,871    15,691     1,458         0         0         0       105         0         0 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:    5,184     4,974      -210         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     58.4      86.2      40.2      12.6       1.2       0.0       0.0       0.0       0.1       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       13        24         .         .         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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:     December 6, 2011                                                                           :
:        0         0         0         0         0         0         0         0         0         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 13, 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    60,235                :
: Positions                                                                                                    :
:   38,388    39,215     6,964     6,387     2,871     2,214     3,070     8,136     1,275       169       387 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:    3,716     2,701         0       510         0     1,910     2,670     5,250         0      -255       255 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.7      65.1      11.6      10.6       4.8       3.7       5.1      13.5       2.1       0.3       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    37                     :
:       22        16         5         .         4         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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 1,176,038                :
: Positions                                                                                                    :
:  910,379   552,839    44,427   403,844   160,395    14,112    37,365         0    27,170     2,040    19,555 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:   -6,384   -11,064    -6,879     7,161    -2,481         0         0         0     3,770    -5,590     5,590 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     77.4      47.0       3.8      34.3      13.6       1.2       3.2       0.0       2.3       0.2       1.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    37                     :
:       22        16         .         5         5         .         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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:     December 6, 2011                                                                           :
:        0         0         0         0         0         0         0         0         0         0         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 13, 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:     December 6, 2011                                                                           :
:        0         0         0         0         0         0         0         0         0         0         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 13, 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    55,401                :
: Positions                                                                                                    :
:   33,242    47,541    19,084     5,100       210     2,550     2,340       210         0         0         0 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:    6,630     6,630         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.0      85.8      34.4       9.2       0.4       4.6       4.2       0.4       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       14        16         .         .         .         .         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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    42,208                :
: Positions                                                                                                    :
:   10,936    21,402     9,291    17,595       441     1,265         0     2,560    17,250         0       210 :
:                                                                                                              :
: Changes from:     December 6, 2011                                                                           :
:      762       762         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     25.9      50.7      22.0      41.7       1.0       3.0       0.0       6.1      40.9       0.0       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:        9        12         .         .         .         .         0         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of December 13, 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:     December 6, 2011                                                                           :
:        0         0         0         0         0         0         0         0         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 13, 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:     December 6, 2011                                                                           :
:        0         0         0         0         0         0         0         0         0         0         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 13, 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:     December 6, 2011                                                                           :
:        0         0         0         0         0         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 13, 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:     December 6, 2011                                                                           :
:        0         0         0         0         0         0         0         0         0         0         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 16, 2011