```
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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   208,400                :
: Positions                                                                                                    :
:  104,224    96,846       490    21,115    62,149    12,083       190    24,873       837         0     1,325 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:    2,098     1,654        10       808    -1,358       433       190    -1,224       469         0       348 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     50.0      46.5       0.2      10.1      29.8       5.8       0.1      11.9       0.4       0.0       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       26        25         .         6         7         .         .         4         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    34,036                :
: Positions                                                                                                    :
:   17,179    17,429       653     3,812     7,340     3,567         0     3,696         0       884       254 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:      -10        31       137      -308       -13      -303         0       445         0       120       -48 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     50.5      51.2       1.9      11.2      21.6      10.5       0.0      10.9       0.0       2.6       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       18        14         .         .         4         .         0         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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     9,120                :
: Positions                                                                                                    :
:    6,958     4,549         0     2,120       136         0     1,110        70       348         0         8 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:      660        68         0         0         0         0       240      -120         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     76.3      49.9       0.0      23.2       1.5       0.0      12.2       0.8       3.8       0.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       15        12         0         .         .         0         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    13,670                :
: Positions                                                                                                    :
:    5,424     9,572     1,213       650     1,580         0     1,029       530     3,904         0         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:      241       -29        22       -18        -6         0        17        -9      -380         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     39.7      70.0       8.9       4.8      11.6       0.0       7.5       3.9      28.6       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       10        14         4         .         5         0         .         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    26,523                :
: Positions                                                                                                    :
:   19,435    12,878     1,288     6,586     2,544       468     2,840       400       158         0       148 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:       10       118         0      -120       120         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.3      48.6       4.9      24.8       9.6       1.8      10.7       1.5       0.6       0.0       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    29                     :
:       19        17         .         4         6         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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     9,481                :
: Positions                                                                                                    :
:    4,860     5,997       548         0     1,188     1,104         0       276         0         0         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:        0        24         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     51.3      63.3       5.8       0.0      12.5      11.6       0.0       2.9       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       16        14         .         0         .         .         0         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    13,265                :
: Positions                                                                                                    :
:    6,723     6,201       152     1,846     1,432         0     2,862       116     3,852         0         6 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:        0        48         0      -226        80         0         0         0      -220         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     50.7      46.7       1.1      13.9      10.8       0.0      21.6       0.9      29.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       13        14         .         .         .         0         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    14,134                :
: Positions                                                                                                    :
:    9,482     7,268     1,060     1,604     1,064         0       922       972         0     1,528        60 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:      258       270       120       168       -48         0         0        80         0       -12         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     67.1      51.4       7.5      11.3       7.5       0.0       6.5       6.9       0.0      10.8       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       15        12         .         .         4         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    63,605                :
: Positions                                                                                                    :
:   58,303    52,796     2,564     8,071     2,738         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:       42        21         0        21         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     91.7      83.0       4.0      12.7       4.3       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       14        13         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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 1,026,161                :
: Positions                                                                                                    :
:  926,617   858,236    46,880   115,261    52,664         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:      768       768         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     90.3      83.6       4.6      11.2       5.1       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       14        14         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    28,252                :
: Positions                                                                                                    :
:   25,952    11,882     2,300    16,370         0         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     91.9      42.1       8.1      57.9       0.0       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       12        12         .         .         0         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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   497,889                :
: Positions                                                                                                    :
:  460,649   197,009    37,240   300,880         0         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     92.5      39.6       7.5      60.4       0.0       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         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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   111,366                :
: Positions                                                                                                    :
:   61,657   106,097    48,703     4,518       751         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:    2,040     2,040         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     55.4      95.3      43.7       4.1       0.7       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    39                     :
:       14        24         4         4         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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 5 MEGAWATT HOURS)                :
CFTC Code #064A57                                                    Open Interest is 1,594,323                :
: Positions                                                                                                    :
:  902,482 1,507,844   664,458    59,096    25,423         0         0         0     1,960     1,960         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:   56,160    56,160         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     56.6      94.6      41.7       3.7       1.6       0.0       0.0       0.0       0.1       0.1       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       13        21         4         4         .         0         0         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    67,592                :
: Positions                                                                                                    :
:   41,964    43,387     7,124     8,298     4,902     4,140     3,095     7,800     1,552         0       110 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:      255       255         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     62.1      64.2      10.5      12.3       7.3       6.1       4.6      11.5       2.3       0.0       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    35                     :
:       20        14         5         .         5         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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 1,177,644                :
: Positions                                                                                                    :
:  929,334   514,896    48,347   416,424   100,188         0    99,850    23,400    53,489         0    22,886 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     78.9      43.7       4.1      35.4       8.5       0.0       8.5       2.0       4.5       0.0       1.9 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    39                     :
:       23        16         .         5         6         0         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    52,309                :
: Positions                                                                                                    :
:   47,059    40,108     3,485     8,290     1,485         0     1,566         0         0       198       110 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:    1,275     1,275         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     90.0      76.7       6.7      15.8       2.8       0.0       3.0       0.0       0.0       0.4       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       14         9         .         .         .         0         .         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    49,152                :
: Positions                                                                                                    :
:   29,263    37,338    16,320     4,105     1,275     1,700     5,840         0         0         0         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     59.5      76.0      33.2       8.4       2.6       3.5      11.9       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       10        12         .         .         .         .         .         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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    15,653                :
: Positions                                                                                                    :
:    9,835    11,041     2,707     2,549     1,467         0         0         0       510        80       176 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:       22        23        -0        -1         1         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     62.8      70.5      17.3      16.3       9.4       0.0       0.0       0.0       3.3       0.5       1.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       13        11         .         .         .         0         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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 J 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A69                                                    Open Interest is    13,443                :
: Positions                                                                                                    :
:    9,639     8,711     2,112     1,993     1,224         0         0         0       298     1,196         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:       21        21         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     71.7      64.8      15.7      14.8       9.1       0.0       0.0       0.0       2.2       8.9       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       12         6         .         .         4         0         0         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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   944,128                :
: Positions                                                                                                    :
:  871,733   642,507    24,919   185,208    24,076         0        80    23,400         0    68,857         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:   41,598    22,215         0         0         0         0         0         0         0    19,383         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     92.3      68.1       2.6      19.6       2.6       0.0       0.0       2.5       0.0       7.3       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       17        11         .         .         .         0         .         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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   879,912                :
: Positions                                                                                                    :
:  473,563   625,255   296,299   131,532    58,680    31,610    44,685    19,760         0         0         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     53.8      71.1      33.7      14.9       6.7       3.6       5.1       2.2       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       11        11         .         .         .         .         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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 DAYTON OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                  :
CFTC Code #064A80                                                    Open Interest is   578,248                :
: Positions                                                                                                    :
:   95,831   262,383   152,775   196,105    49,325    58,810         0     9,515   151,072         0    60,920 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:    1,911     1,911         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     16.6      45.4      26.4      33.9       8.5      10.2       0.0       1.6      26.1       0.0      10.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        8        10         4         .         .         .         0         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             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 G5 MW OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A84                                                    Open Interest is   153,904                :
: Positions                                                                                                    :
:   89,486    71,557    40,209    55,010    24,209         0     1,560         0         0     1,568         0 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     58.1      46.5      26.1      35.7      15.7       0.0       1.0       0.0       0.0       1.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        5         8         .         .         .         0         .         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of May 22, 2012               
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM ELEC OPT ON CALENDAR STRIP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)               :
CFTC Code #064B47                                                    Open Interest is     8,395                :
: Positions                                                                                                    :
:    3,748     5,209     1,361        86     2,778       187         0       208         0        20        94 :
:                                                                                                              :
: Changes from:     May 15, 2012                                                                               :
:       49       216        -8      -183       161        -1         0         0         0         9        -6 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     44.6      62.0      16.2       1.0      33.1       2.2       0.0       2.5       0.0       0.2       1.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       11        13         4         .         5         .         0         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
```

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Updated May 25, 2012