```
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 2011               
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WH REAL TIME PEAK OTC - ICE OTC   (Contracts of 800 MWh)                                                   :
CFTC Code #064363                                                    Open Interest is   166,414                :
: Positions                                                                                                    :
:   84,673   114,353    10,185    11,981    17,983    27,034     3,365    15,405     7,953       618     2,324 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:    1,565       406       596       693       110    -1,021      -182        47        71       185        36 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     50.9      68.7       6.1       7.2      10.8      16.2       2.0       9.3       4.8       0.4       1.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    84                     :
:       39        37         7         9        11         8         .         8         7         .         5 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 2011               
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MID-C FINANCIAL PEAK OTC - ICE OTC   (Contracts of 400 MWh)                                                    :
CFTC Code #064391                                                    Open Interest is    61,492                :
: Positions                                                                                                    :
:   46,248    26,188     5,735    24,437     7,854       343       559       647       283     1,425       382 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:   -5,685    -5,255      -702    -1,108    -1,147       106        -2       -23       -54        30         1 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     75.2      42.6       9.3      39.7      12.8       0.6       0.9       1.1       0.5       2.3       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    44                     :
:       25        23         .         6         6         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 2011               
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MID-C FINANCIAL OFF-PEAK OTC - ICE OTC   (Contracts of 25 MWh)                                                 :
CFTC Code #064392                                                    Open Interest is   560,820                :
: Positions                                                                                                    :
:  473,559   268,722     1,236   200,185    78,193         0     2,152       344     7,176    10,912         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:  -39,952   -24,288    -6,817   -25,601     9,745    -1,520     1,248      -304       928     1,280      -304 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     84.4      47.9       0.2      35.7      13.9       0.0       0.4       0.1       1.3       1.9       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    31                     :
:       17        16         .         5         6         0         .         .         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 2011               
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WH OFF PEAK REAL TIME OTC - ICE OTC   (Contracts of 50 Megawatt Hours)                                     :
CFTC Code #064394                                                    Open Interest is 1,668,398                :
: Positions                                                                                                    :
:1,025,871 1,184,201   230,703    24,748   281,598    16,546     9,999    88,253     3,912    58,108    21,491 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:   11,137    18,561    18,768    -4,680    -3,554    -6,743     6,704    -6,297         0     2,577      -720 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     61.5      71.0      13.8       1.5      16.9       1.0       0.6       5.3       0.2       3.5       1.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    61                     :
:       31        26         6         4         7         .         .         5         .         5         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 2011               
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SP15 FIN DAYAHEAD LPM PEAK OTC - ICE OTC   (Contracts of 400 Megawatt Hours)                                   :
CFTC Code #064395                                                    Open Interest is   125,540                :
: Positions                                                                                                    :
:   68,292    87,678    26,690     5,390    27,477       544     2,527     1,506       420       336       583 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:   -2,924       469     3,013      -243      -178        56      -660       -79      -287       146       -45 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.4      69.8      21.3       4.3      21.9       0.4       2.0       1.2       0.3       0.3       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    54                     :
:       26        31         6         .         8         .         .         4         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 2011               
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SP15 FIN DA LPM OFF PEAK OTC - ICE OTC   (Contracts of 25 Megawatt Hours)                                      :
CFTC Code #064396                                                    Open Interest is   527,317                :
: Positions                                                                                                    :
:  379,957   329,948   109,397   154,432    36,682         0     1,832       304         0     3,142       977 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:    4,546    -2,224    -5,834         0       -32      -304         8       304         0       624         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     72.1      62.6      20.7      29.3       7.0       0.0       0.3       0.1       0.0       0.6       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    34                     :
:       19        16         .         4         4         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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    47,591                :
: Positions                                                                                                    :
:   19,333    20,877     1,276    18,823     5,413    17,774       855       784     1,083        42       296 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:   -1,921    -3,606       -98      -100      -302    -1,102       181       -40      -213       -22         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     40.6      43.9       2.7      39.6      11.4      37.3       1.8       1.6       2.3       0.1       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    49                     :
:       25        21         .         7         9         .         5         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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 LBMP SWAP - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS 0F 400 MEGAWATT HOURS)                      :
CFTC Code #06465A                                                    Open Interest is     7,286                :
: Positions                                                                                                    :
:    5,523     3,878         0     2,093       128       212       362         0        40         0         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:     -309      -264         0       -22         0         0        21         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     75.8      53.2       0.0      28.7       1.8       2.9       5.0       0.0       0.5       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        8        11         0         .         .         .         .         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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    14,824                :
: Positions                                                                                                    :
:   10,422    10,108     1,710       660     1,420         0       580       100         0       736         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:     -441      -302      -111       -96       -24         0       -40         0         0       -95         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     70.3      68.2      11.5       4.5       9.6       0.0       3.9       0.7       0.0       5.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       17        14         5         .         4         0         .         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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    10,413                :
: Positions                                                                                                    :
:    6,514     5,876        54     1,912       519         0       720        30       601       146        38 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:     -152        42       -74      -187         0         0       -16         0       -29         8        -8 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     62.6      56.4       0.5      18.4       5.0       0.0       6.9       0.3       5.8       1.4       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       13        11         .         .         .         0         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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    27,758                :
: Positions                                                                                                    :
:   18,449    10,752     1,686     9,330     3,638         0     2,130         0       502         0       574 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:   -1,144      -468       212      -473      -286      -174       -90       -24        18         0      -170 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.5      38.7       6.1      33.6      13.1       0.0       7.7       0.0       1.8       0.0       2.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       16        12         .         .         6         0         .         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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    11,320                :
: Positions                                                                                                    :
:    8,292     7,912       856     1,358       638         0         2       350         0       374         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:     -345      -359       -12       -49       -18        -8         2        -2         0        -9         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.3      69.9       7.6      12.0       5.6       0.0       0.0       3.1       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-All Futures Combined Positions as of July 5, 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    10,715                :
: Positions                                                                                                    :
:    5,605     6,819     1,250     1,324     1,208        36       500        12       330         0         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:     -699      -957      -306        -2      -226        36       -88       -36       -10         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     52.3      63.6      11.7      12.4      11.3       0.3       4.7       0.1       3.1       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       13        11         .         .         4         .         .         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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    46,893                :
: Positions                                                                                                    :
:   44,472    34,756     2,039    11,883         0         0         0         0         0       254         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:      394       834       -44      -462         0         0         0         0         0       -44         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     94.8      74.1       4.3      25.3       0.0       0.0       0.0       0.0       0.0       0.5       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       11        10         .         .         0         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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   662,889                :
: Positions                                                                                                    :
:  617,471   435,204    40,314   217,811     5,104         0         0         0         0     4,770         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:  -32,384   -35,696      -368    -9,200      -368         0         0         0    -7,374     4,770    -4,770 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     93.1      65.7       6.1      32.9       0.8       0.0       0.0       0.0       0.0       0.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       10         8         .         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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    49,934                :
: Positions                                                                                                    :
:   27,388    34,548    20,006    12,846     2,540         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:   -1,452    -2,596    -2,112      -968         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.8      69.2      40.1      25.7       5.1       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-All Futures Combined Positions as of July 5, 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   900,736                :
: Positions                                                                                                    :
:  499,893   616,896   353,883   236,880    46,960         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:  -23,920   -41,584   -33,856   -16,192         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     55.5      68.5      39.3      26.3       5.2       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-All Futures Combined Positions as of July 5, 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   157,453                :
: Positions                                                                                                    :
:   86,314   126,319    65,903    27,310     2,748         0         0         0     1,201         0     1,053 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:   -6,710    -7,678    -3,916    -2,552       -66         0         0         0       396         0      -396 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.8      80.2      41.9      17.3       1.7       0.0       0.0       0.0       0.8       0.0       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    36                     :
:       16        21         .         4         .         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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 2,742,874                :
: Positions                                                                                                    :
:1,520,697 2,186,397 1,168,880   467,083    35,339         0         0         0         0    36,097    17,958 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:  -99,360  -118,496   -63,664   -37,904    -1,104         0         0         0         0    -6,624         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     55.4      79.7      42.6      17.0       1.3       0.0       0.0       0.0       0.0       1.3       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    36                     :
:       13        19         .         4         .         0         0         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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    48,870                :
: Positions                                                                                                    :
:   32,878    41,426     9,457     2,440     1,910     1,275       820         0     2,071     1,038     1,236 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:     -441     1,317     1,758       110    -1,895         0         0         0         0      -110         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     67.3      84.8      19.4       5.0       3.9       2.6       1.7       0.0       4.2       2.1       2.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    37                     :
:       20        16         5         .         .         .         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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 1,258,885                :
: Positions                                                                                                    :
:  933,951   931,387    66,164   188,960   108,565         0         0         0   150,205    29,973         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:  -24,184    -5,624   -19,632    13,264     8,056         0         0         0    48,880    -2,576    -1,840 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     74.2      74.0       5.3      15.0       8.6       0.0       0.0       0.0      11.9       2.4       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    37                     :
:       20        15         4         .         5         0         0         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 2011               
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                :
CFTC Code #064A60                                                    Open Interest is    51,509                :
: Positions                                                                                                    :
:   44,560    36,046     2,420    10,656     4,254         0         0         0       105         0         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:   -1,826    -2,530      -110       484      -814         0         0         0      -110         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     86.5      70.0       4.7      20.7       8.3       0.0       0.0       0.0       0.2       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       16        15         .         4         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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    39,156                :
: Positions                                                                                                    :
:   17,828    31,501    18,992     2,550     1,153       630         0         0         0     3,483       342 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:    1,252     1,318        88         0       -88         0         0         0         0        22       -22 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     45.5      80.4      48.5       6.5       2.9       1.6       0.0       0.0       0.0       8.9       0.9 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       13         8         .         .         .         .         0         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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    18,293                :
: Positions                                                                                                    :
:   12,457    11,381     3,113     4,696     1,811         0        86         0       510         0         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:   -1,622    -1,182      -418      -440         0         0      -440         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     68.1      62.2      17.0      25.7       9.9       0.0       0.5       0.0       2.8       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       13        11         .         .         .         0         .         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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 CONN OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A71                                                    Open Interest is   394,304                :
: Positions                                                                                                    :
:  257,624   285,866    49,575    21,333    87,105         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:  -18,400    -6,624     9,936    -1,840   -12,880         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     65.3      72.5      12.6       5.4      22.1       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       11         6         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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   994,386                :
: Positions                                                                                                    :
:  848,201   653,241         0   225,600   103,620    23,400    11,925         0    19,165         0         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:  -30,476   -37,468         0    11,408   -15,088         0    -1,840         0     2,576         0    -2,576 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     85.3      65.7       0.0      22.7      10.4       2.4       1.2       0.0       1.9       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    32                     :
:       16        18         0         5         .         .         .         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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   668,186                :
: Positions                                                                                                    :
:  293,499   529,362   269,135   124,497     3,552    47,040         0         0    44,185         0    10,775 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:  -32,016   -18,400      -736      -736    -1,104         0         0         0    13,616         0   -13,616 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     43.9      79.2      40.3      18.6       0.5       7.0       0.0       0.0       6.6       0.0       1.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       14         6         .         .         .         .         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 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   172,069                :
: Positions                                                                                                    :
:  145,883   132,672    25,418    38,629       768         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:   -7,728    -5,152         0    -2,576      -736         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     84.8      77.1      14.8      22.4       0.4       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 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of July 5, 2011               
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MW CINERGY OFF PEAK CAL MONTH - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatts Per Hour)             :
CFTC Code #064A88                                                    Open Interest is   346,816                :
: Positions                                                                                                    :
:  342,016   313,080         0    33,736         0         0         0         0     4,800         0         0 :
:                                                                                                              :
: Changes from:     June 28, 2011                                                                              :
:  -25,248   -23,040         0    -2,208         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     98.6      90.3       0.0       9.7       0.0       0.0       0.0       0.0       1.4       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       10        10         0         .         0         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
```

----

Updated July 8, 2011