Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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 WH REAL TIME PEAK OTC - ICE OTC   (Contracts of 800 MWh)                                                   :
CFTC Code #064363                                                    Open Interest is   181,435                :
: Positions                                                                                                    :
:  103,285   126,127    14,249    10,870    17,122     9,370     1,878    19,009    12,863       934     4,116 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:    4,908       608        63     2,013    -1,128      -566       161        46    -1,338       145       117 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     56.9      69.5       7.9       6.0       9.4       5.2       1.0      10.5       7.1       0.5       2.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    84                     :
:       44        42         5         8        10        10         .         6         9         .         7 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 2012              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MID-C FINANCIAL PEAK OTC - ICE OTC   (Contracts of 400 MWh)                                                    :
CFTC Code #064391                                                    Open Interest is    68,865                :
: Positions                                                                                                    :
:   54,363    47,874     1,889     8,493    12,067        79         0         0        26        67       314 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:      702     1,131       471       164        88       -25         0         0         0       -72       -27 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     78.9      69.5       2.7      12.3      17.5       0.1       0.0       0.0       0.0       0.1       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       24        25         .         4         5         .         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 2012              
:                                             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   618,688                :
: Positions                                                                                                    :
:  525,514   428,607     9,050   107,458    76,498     1,032         0         0     2,776     2,307     3,474 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:    5,969   -13,864    -8,433     8,440     1,585         0         0         0      -653     2,307       341 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     84.9      69.3       1.5      17.4      12.4       0.2       0.0       0.0       0.4       0.4       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       23        24         .         .         5         .         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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 WH OFF PEAK REAL TIME OTC - ICE OTC   (Contracts of 50 Megawatt Hours)                                     :
CFTC Code #064394                                                    Open Interest is 1,615,689                :
: Positions                                                                                                    :
:1,108,511 1,248,918   240,130   158,746   111,894    71,479    23,174    57,332    17,941     7,237     8,388 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:   23,954    -1,663    19,526    50,295     2,757    13,104     1,328    -3,200    -2,171     4,453    -2,566 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     68.6      77.3      14.9       9.8       6.9       4.4       1.4       3.5       1.1       0.4       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    60                     :
:       34        31         6         .         6         .         .         4         5         .         4 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 2012              
:                                             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    87,614                :
: Positions                                                                                                    :
:   63,680    64,639     7,160     6,011    15,623       127        93        49       174       391       772 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:    3,222      -990    -2,695     1,795      -227        50       -25        25        73      -128       182 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     72.7      73.8       8.2       6.9      17.8       0.1       0.1       0.1       0.2       0.4       0.9 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    49                     :
:       29        27         4         4         5         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 2012              
:                                             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   587,254                :
: Positions                                                                                                    :
:  407,446   450,113   161,176   127,548     8,616       344         0         0     8,695         0       977 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:  -22,184       992    14,144    -7,024    -1,680      -344         0         0     2,352         0      -344 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     69.4      76.6      27.4      21.7       1.5       0.1       0.0       0.0       1.5       0.0       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       25        21         .         .         .         .         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    67,227                :
: Positions                                                                                                    :
:   44,504    28,332       452    29,618     3,157    12,887       140     3,854       510       609       227 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:      729       -48         0       944      -770       120         0        40        60        20         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.2      42.1       0.7      44.1       4.7      19.2       0.2       5.7       0.8       0.9       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    42                     :
:       26        25         .         6         7         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    18,394                :
: Positions                                                                                                    :
:   10,664    11,889     1,977       216     1,465       360       200     2,530         0     1,114       136 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:       93       133        -8         0       200       240       100         0         0        92         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     58.0      64.6      10.7       1.2       8.0       2.0       1.1      13.8       0.0       6.1       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       17        13         .         .         4         .         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    13,175                :
: Positions                                                                                                    :
:    5,067     9,503     1,104       276     1,570         0     1,226       280     4,130         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0       -56         0         0         0         0         0         0       -60         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     38.5      72.1       8.4       2.1      11.9       0.0       9.3       2.1      31.3       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       10        15         .         .         4         0         .         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    24,973                :
: Positions                                                                                                    :
:   18,207    12,548     1,046     5,812     2,358       438     2,680       400       300         0        14 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:     -240      -240         0         0         0         0         0         0       240         0      -224 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     72.9      50.2       4.2      23.3       9.4       1.8      10.7       1.6       1.2       0.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       20        18         .         4         6         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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     9,084                :
: Positions                                                                                                    :
:    4,567     5,830       548         0     1,109     1,150         0       226         0         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     50.3      64.2       6.0       0.0      12.2      12.7       0.0       2.5       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       15        14         .         0         .         .         0         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    13,008                :
: Positions                                                                                                    :
:    6,200     6,432       118     1,646     1,432         0     2,556       136     4,080         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         4         0         0         0         0        20         0         4         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     47.7      49.4       0.9      12.7      11.0       0.0      19.6       1.0      31.4       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       13        13         .         .         .         0         .         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    13,894                :
: Positions                                                                                                    :
:    9,611     6,964     1,119     1,581     1,005       278       912       942         0     1,588        48 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:       50      -190         0         0         0         0       -14        14         0        14         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     69.2      50.1       8.1      11.4       7.2       2.0       6.6       6.8       0.0      11.4       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       16        14         .         .         4         .         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    61,877                :
: Positions                                                                                                    :
:   56,421    50,172     2,612     8,861     2,844         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:      -74       105       187         8        33         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     91.2      81.1       4.2      14.3       4.6       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       15        12         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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 1,005,329                :
: Positions                                                                                                    :
:  906,569   825,764    46,807   127,612    51,953         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:    1,959     1,959         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     90.2      82.1       4.7      12.7       5.2       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       13        13         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    28,154                :
: Positions                                                                                                    :
:   27,944    12,752       210    15,402         0         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     99.3      45.3       0.7      54.7       0.0       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       12         7         .         .         0         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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   107,780                :
: Positions                                                                                                    :
:   62,361   104,874    44,699     2,186       465         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:    1,690     1,690         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     57.9      97.3      41.5       2.0       0.4       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    36                     :
:       13        24         4         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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 1,494,650                :
: Positions                                                                                                    :
:  879,249 1,455,211   594,682    18,720    20,719         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:   31,405    31,405         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     58.8      97.4      39.8       1.3       1.4       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    33                     :
:       13        20         4         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    64,916                :
: Positions                                                                                                    :
:   39,618    40,672     6,340     8,103     5,466     4,030     2,875     7,800     1,662         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:      148       148         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     61.0      62.7       9.8      12.5       8.4       6.2       4.4      12.0       2.6       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    35                     :
:       20        15         4         .         5         .         .         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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 1,189,940                :
: Positions                                                                                                    :
:  947,902   607,032    48,347   349,128    95,876         0    97,890    23,400    57,801         0    16,614 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     79.7      51.0       4.1      29.3       8.1       0.0       8.2       2.0       4.9       0.0       1.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       22        16         .         5         6         0         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    52,893                :
: Positions                                                                                                    :
:   45,489    39,802     3,595     5,090     3,661         0     2,310         0         0     1,478         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:    1,786      -255         0         0         0         0       766         0         0     1,275         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     86.0      75.3       6.8       9.6       6.9       0.0       4.4       0.0       0.0       2.8       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       15        11         .         .         4         0         .         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    46,591                :
: Positions                                                                                                    :
:   29,595    36,031    13,542     3,445     1,275     1,480     5,735       105         0         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.5      77.3      29.1       7.4       2.7       3.2      12.3       0.2       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       12        14         .         .         .         .         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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 DAY HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)               :
CFTC Code #064A64                                                    Open Interest is    30,911                :
: Positions                                                                                                    :
:    7,469    16,793     7,117    10,961     1,467     4,350         0       420     8,818         0     1,270 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     24.2      54.3      23.0      35.5       4.7      14.1       0.0       1.4      28.5       0.0       4.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        7        11         .         .         .         .         0         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    16,093                :
: Positions                                                                                                    :
:   10,467    10,769     2,647     2,455     1,423         0         0         0       444       974       176 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     65.0      66.9      16.4      15.3       8.8       0.0       0.0       0.0       2.8       6.1       1.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       14        12         .         .         .         0         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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    12,975                :
: Positions                                                                                                    :
:    9,391     8,463     2,002     1,905     1,180         0         0         0       254     1,130         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     72.4      65.2      15.4      14.7       9.1       0.0       0.0       0.0       2.0       8.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       12         6         .         .         4         0         0         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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   894,072                :
: Positions                                                                                                    :
:  821,677   611,539    25,311   168,352    23,684         0        80    23,400         0    67,017         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:    2,080         0         0         0         0         0         0         0         0     2,080         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     91.9      68.4       2.8      18.8       2.6       0.0       0.0       2.6       0.0       7.5       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       18        11         .         .         .         0         .         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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 1,006,241                :
: Positions                                                                                                    :
:  584,060   697,638   319,971   126,828    58,680    27,690   107,255    15,840         0         0         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     58.0      69.3      31.8      12.6       5.8       2.8      10.7       1.6       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       12        10         .         .         .         .         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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   538,474                :
: Positions                                                                                                    :
:   78,356   261,644   146,895   170,625    47,365    60,770         0     7,555   146,248         0    51,285 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     14.6      48.6      27.3      31.7       8.8      11.3       0.0       1.4      27.2       0.0       9.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        8        10         4         .         .         .         0         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of June 19, 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   151,880                :
: Positions                                                                                                    :
:   92,950    69,165    34,721    51,090    24,209         0     1,168         0         0     6,248         0 :
:                                                                                                              :
: Changes from:     June 12, 2012                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     61.2      45.5      22.9      33.6      15.9       0.0       0.8       0.0       0.0       4.1       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        6         8         .         .         .         0         .         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
 

Updated June 22, 2012