```
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                      :
CFTC Code #064657                                                    Open Interest is   199,446                :
: Positions                                                                                                    :
:   94,997    91,182     1,373    15,870    65,615    13,901     2,463    19,076       110     1,518     2,032 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:    1,050       995      -319     3,223      -888     2,091    -1,038     1,091         1      -478       162 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     47.6      45.7       0.7       8.0      32.9       7.0       1.2       9.6       0.1       0.8       1.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    49                     :
:       28        26         .         6         8         .         5         6         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                     :
CFTC Code #06465H                                                    Open Interest is    24,597                :
: Positions                                                                                                    :
:   13,463    12,921     2,703     2,901     5,254       530       120     1,546         0       831         0 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:      277       352       -84        60       239       138         0        51         0        26         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.7      52.5      11.0      11.8      21.4       2.2       0.5       6.3       0.0       3.4       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       18        15         4         .         5         .         .         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                 :
CFTC Code #06465I                                                    Open Interest is    10,832                :
: Positions                                                                                                    :
:    6,804     5,942       128     2,147       605         0       736        30       630       138        46 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:       -6        -4         0        28       -14         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     62.8      54.9       1.2      19.8       5.6       0.0       6.8       0.3       5.8       1.3       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       12        10         .         .         .         0         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                :
CFTC Code #06465M                                                    Open Interest is    28,947                :
: Positions                                                                                                    :
:   19,631    11,190     1,474     9,583     3,904       174     2,220        24       332        20       754 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:       14         4         0        44       -38        24        20        24       -12         0        12 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     67.8      38.7       5.1      33.1      13.5       0.6       7.7       0.1       1.1       0.1       2.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       17        12         .         .         6         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                  :
CFTC Code #06465S                                                    Open Interest is    11,639                :
: Positions                                                                                                    :
:    8,561     8,281       868     1,403       660         8         0       352         0       383         0 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:       96       248         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.6      71.1       7.5      12.1       5.7       0.1       0.0       3.0       0.0       3.3       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       15        13         .         .         4         .         0         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CINERGY CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                   :
CFTC Code #064A01                                                    Open Interest is    25,422                :
: Positions                                                                                                    :
:   15,548    16,338     1,474     1,847     5,331         0       667       453       340         0         0 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:      312        87      -107       -23       253         0       141       -58         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     61.2      64.3       5.8       7.3      21.0       0.0       2.6       1.8       1.3       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       16        15         .         .         5         0         .         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CINERGY OFF PEAK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MW X OFF PEAK HOURS PER MONTH)                 :
CFTC Code #064A02                                                    Open Interest is     6,558                :
: Positions                                                                                                    :
:    3,500     2,922       808     1,768       970         0         0         0         0       210         0 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:        .         .         .         .         .         .         .         .         .         .         . :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     53.4      44.6      12.3      27.0      14.8       0.0       0.0       0.0       0.0       3.2       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       13        11         .         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                     :
CFTC Code #064A34                                                    Open Interest is    45,970                :
: Positions                                                                                                    :
:   43,483    32,682     2,083    12,990         0         0         0         0         0       298         0 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:       39        39         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     94.6      71.1       4.5      28.3       0.0       0.0       0.0       0.0       0.0       0.6       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       11         9         .         .         0         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                  :
CFTC Code #064A35                                                    Open Interest is   697,209                :
: Positions                                                                                                    :
:  638,911   459,956    40,682   227,011     5,472         0         0         0     7,374         0     4,770 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     91.6      66.0       5.8      32.6       0.8       0.0       0.0       0.0       1.1       0.0       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       10         7         .         .         .         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                      :
CFTC Code #064A54                                                    Open Interest is    53,498                :
: Positions                                                                                                    :
:   28,840    37,144    22,118    13,814     2,540         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     53.9      69.4      41.3      25.8       4.7       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       10        10         4         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PSEG OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                   :
CFTC Code #064A55                                                    Open Interest is   958,512                :
: Positions                                                                                                    :
:  523,813   658,480   387,739   253,072    46,960         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.6      68.7      40.5      26.4       4.9       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        9         8         4         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                   :
CFTC Code #064A56                                                    Open Interest is   168,188                :
: Positions                                                                                                    :
:   93,067   133,911    69,819    29,862     2,814         0         0         0       676         0     1,578 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:        0       866         0         0         0         0         0         0       676      -213      -676 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     55.3      79.6      41.5      17.8       1.7       0.0       0.0       0.0       0.4       0.0       0.9 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       16        24         .         4         .         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 50 MEGAWATT HOURS)               :
CFTC Code #064A57                                                    Open Interest is 2,906,202                :
: Positions                                                                                                    :
:1,619,257 2,303,293 1,232,544   504,987    36,443         0         0         0         0    43,521    17,958 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:   12,000    12,000         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     55.7      79.3      42.4      17.4       1.3       0.0       0.0       0.0       0.0       1.5       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    36                     :
:       13        19         .         4         .         0         0         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                   :
CFTC Code #064A58                                                    Open Interest is    48,368                :
: Positions                                                                                                    :
:   33,319    38,834     6,447     2,333     3,997     1,275       820         0     2,071     1,148     1,236 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:      866         0         0         0         0         0         0         0      -889         0       889 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     68.9      80.3      13.3       4.8       8.3       2.6       1.7       0.0       4.3       2.4       2.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    36                     :
:       19        16         4         .         .         .         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A59                                                    Open Interest is 1,162,037                :
: Positions                                                                                                    :
:  955,735   907,891    76,388   119,248   100,509         0         0         0    27,565    32,549     1,840 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:   16,000    16,000         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     82.2      78.1       6.6      10.3       8.6       0.0       0.0       0.0       2.4       2.8       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    35                     :
:       19        15         4         .         4         0         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                :
CFTC Code #064A60                                                    Open Interest is    53,734                :
: Positions                                                                                                    :
:   44,706    37,941     2,530     9,127     6,113         0         0         0       215         0         0 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     83.2      70.6       4.7      17.0      11.4       0.0       0.0       0.0       0.4       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       16        15         .         4         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                 :
CFTC Code #064A63                                                    Open Interest is    36,793                :
: Positions                                                                                                    :
:   15,421    29,673    19,549     2,550       596       630         0         0         0     3,461       364 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     41.9      80.6      53.1       6.9       1.6       1.7       0.0       0.0       0.0       9.4       1.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       11         8         .         .         .         .         0         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A68                                                    Open Interest is    31,701                :
: Positions                                                                                                    :
:   23,596    23,418     3,758     4,005     3,433         0       526         0       510         0         0 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:      317       279        67       106      -154         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     74.4      73.9      11.9      12.6      10.8       0.0       1.7       0.0       1.6       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       13        10         .         .         .         0         .         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                 :
CFTC Code #064A78                                                    Open Interest is 1,024,395                :
: Positions                                                                                                    :
:  882,602   671,154         0   225,747   107,153    23,400    13,765         0     4,664         0     6,576 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     86.2      65.5       0.0      22.0      10.5       2.3       1.3       0.0       0.5       0.0       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    32                     :
:       17        17         0         5         .         .         .         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL HUB 5 OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                 :
CFTC Code #064A79                                                    Open Interest is   678,594                :
: Positions                                                                                                    :
:  325,467   524,314   246,471   125,233     4,656    47,040         0         0    30,569         0    24,391 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     48.0      77.3      36.3      18.5       0.7       6.9       0.0       0.0       4.5       0.0       3.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       12         5         .         .         .         .         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of June 21, 2011              
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE A 5MW OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A82                                                    Open Interest is   180,533                :
: Positions                                                                                                    :
:  153,611   137,824    25,418    41,205     1,504         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 14, 2011                                                                              :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     85.1      76.3      14.1      22.8       0.8       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        9         9         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
```

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Updated June 24, 2011