```
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WH REAL TIME PEAK OTC - ICE OTC   (Contracts of 800 MWh)                                                   :
CFTC Code #064363                                                    Open Interest is   183,734                :
: Positions                                                                                                    :
:   91,340   118,658    11,243    24,683    17,316    34,556     1,737    17,671     7,789       549     3,007 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:    2,400     1,301       312      -383       248    -1,194       155       935      -565        64        38 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     49.7      64.6       6.1      13.4       9.4      18.8       0.9       9.6       4.2       0.3       1.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    78                     :
:       40        39         5        10        10         5         .         8         8         .         8 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MID-C FINANCIAL PEAK OTC - ICE OTC   (Contracts of 400 MWh)                                                    :
CFTC Code #064391                                                    Open Interest is    79,102                :
: Positions                                                                                                    :
:   59,654    56,579     4,175     6,643    14,053         0       463       371        79       223       719 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:    1,061       487      -283      -366       479       -21       463      -487      -150        23       125 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     75.4      71.5       5.3       8.4      17.8       0.0       0.6       0.5       0.1       0.3       0.9 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    42                     :
:       25        25         .         .         5         0         .         .         .         .         4 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MID-C FINANCIAL OFF-PEAK OTC - ICE OTC   (Contracts of 25 MWh)                                                 :
CFTC Code #064392                                                    Open Interest is   764,821                :
: Positions                                                                                                    :
:  657,453   544,010         0   118,833    95,683     3,248         0     3,760     2,477       335     2,200 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:   43,233    31,753    -6,685     6,126      -188       -88         0     1,352         0    -1,419        36 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     86.0      71.1       0.0      15.5      12.5       0.4       0.0       0.5       0.3       0.0       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    36                     :
:       24        24         0         5         5         .         0         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WH OFF PEAK REAL TIME OTC - ICE OTC   (Contracts of 50 Megawatt Hours)                                     :
CFTC Code #064394                                                    Open Interest is 1,639,773                :
: Positions                                                                                                    :
:1,043,121 1,275,358   250,961    68,021   155,736    68,575         0   106,552     4,076    23,376    10,010 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:   21,793    14,091    18,366        40   -16,709   -27,589         0     3,863         0    -1,561     1,952 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.6      77.8      15.3       4.1       9.5       4.2       0.0       6.5       0.2       1.4       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    62                     :
:       36        31         5         4         6         6         0         4         .         4         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SP15 FIN DAYAHEAD LPM PEAK OTC - ICE OTC   (Contracts of 400 Megawatt Hours)                                   :
CFTC Code #064395                                                    Open Interest is   107,508                :
: Positions                                                                                                    :
:   75,707    80,117    12,248     9,197    16,298     1,357       482       797       511         0       590 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:   -2,051       146     1,250      -434    -1,103       656       -48      -306      -164         0        45 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     70.4      74.5      11.4       8.6      15.2       1.3       0.4       0.7       0.5       0.0       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    46                     :
:       25        27         5         4         5         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SP15 FIN DA LPM OFF PEAK OTC - ICE OTC   (Contracts of 25 Megawatt Hours)                                      :
CFTC Code #064396                                                    Open Interest is   684,814                :
: Positions                                                                                                    :
:  515,079   476,181    75,020   121,562    85,827       976         0         0     6,668         0     1,244 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:   13,911    25,917    11,979         0       952         0         0         0        27         0       933 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     75.2      69.5      11.0      17.8      12.5       0.1       0.0       0.0       1.0       0.0       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    35                     :
:       21        21         4         .         .         .         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                      :
CFTC Code #064657                                                    Open Interest is    77,046                :
: Positions                                                                                                    :
:   40,645    39,094     2,832    24,518     6,883    20,905        20     2,987       285     2,160       223 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:      459       549       352      -480     1,579      -836         0       -18         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     52.8      50.7       3.7      31.8       8.9      27.1       0.0       3.9       0.4       2.8       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       23        20         .         6         8         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                     :
CFTC Code #06465H                                                    Open Interest is    16,498                :
: Positions                                                                                                    :
:   11,025    11,276       999       562     1,658         0       468     1,534         0       304        92 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:      460       476      -198       226        73       -26      -242         2         0       -40         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.8      68.3       6.1       3.4      10.0       0.0       2.8       9.3       0.0       1.8       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    32                     :
:       17        18         .         4         4         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
AEP DAYTON CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                :
CFTC Code #06465K                                                    Open Interest is    13,879                :
: Positions                                                                                                    :
:    6,421     9,137     1,416     1,634     1,332         0     1,346       222     3,718         0         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:      640       886         0       -60         0         0       -28        28       -30         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     46.3      65.8      10.2      11.8       9.6       0.0       9.7       1.6      26.8       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       12        14         .         .         .         0         .         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                :
CFTC Code #06465M                                                    Open Interest is    30,159                :
: Positions                                                                                                    :
:   22,027    13,136     2,014     9,912     2,226       448     3,600       210     1,048         0        44 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:       70       996         0      -620        62       120         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.0      43.6       6.7      32.9       7.4       1.5      11.9       0.7       3.5       0.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    29                     :
:       19        16         .         4         5         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                    :
CFTC Code #06465N                                                    Open Interest is    10,270                :
: Positions                                                                                                    :
:    5,521     6,205       511       355     1,134     1,306         0       290         0         0         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:       88       318       -24         0         0       264         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     53.8      60.4       5.0       3.5      11.0      12.7       0.0       2.8       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       14        14         .         .         .         .         0         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                  :
CFTC Code #06465S                                                    Open Interest is    13,028                :
: Positions                                                                                                    :
:    9,037     6,576       945     1,667     1,035         0     1,896       400         0       538         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:      198       100         0       168         0         0         0         0         0       140       -16 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     69.4      50.5       7.3      12.8       7.9       0.0      14.6       3.1       0.0       4.1       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       13         9         .         .         .         0         .         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                     :
CFTC Code #064A34                                                    Open Interest is    69,585                :
: Positions                                                                                                    :
:   64,054    58,490     2,837     8,401     2,694         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:       20         0         0        20         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     92.1      84.1       4.1      12.1       3.9       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       16        13         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                  :
CFTC Code #064A35                                                    Open Interest is 1,079,870                :
: Positions                                                                                                    :
:  981,190   886,729    46,016   140,477    52,664         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:    1,568       368         0     1,200         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     90.9      82.1       4.3      13.0       4.9       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       15        13         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                      :
CFTC Code #064A54                                                    Open Interest is    38,806                :
: Positions                                                                                                    :
:   30,506    17,900     8,300    20,906         0         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     78.6      46.1      21.4      53.9       0.0       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       13        10         .         4         0         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PSEG OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                   :
CFTC Code #064A55                                                    Open Interest is   701,249                :
: Positions                                                                                                    :
:  556,184   319,889   145,065   381,360         0         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     79.3      45.6      20.7      54.4       0.0       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       12         8         .         4         0         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                   :
CFTC Code #064A56                                                    Open Interest is   134,793                :
: Positions                                                                                                    :
:   72,011   122,432    61,702    11,281     1,080         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     53.4      90.8      45.8       8.4       0.8       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       12        23         4         4         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 MEGAWATT HOURS)                :
CFTC Code #064A57                                                    Open Interest is 1,944,846                :
: Positions                                                                                                    :
:1,035,826 1,751,241   890,696   175,281    18,324         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     53.3      90.0      45.8       9.0       0.9       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    37                     :
:       10        22         4         4         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                   :
CFTC Code #064A58                                                    Open Interest is    70,461                :
: Positions                                                                                                    :
:   46,412    44,357     5,806     8,823     5,061     3,720     3,735     7,800     1,275        43       387 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:     -190         0         0         0         0         0      -190         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     65.9      63.0       8.2      12.5       7.2       5.3       5.3      11.1       1.8       0.1       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    35                     :
:       19        14         5         .         4         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A59                                                    Open Interest is 1,278,613                :
: Positions                                                                                                    :
:  977,997   498,097    48,347   474,249   140,531     2,253   105,525    23,400    62,760    13,486    23,325 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:    4,608    -2,117         0    -3,910         0   -10,635         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     76.5      39.0       3.8      37.1      11.0       0.2       8.3       1.8       4.9       1.1       1.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       22        16         .         5         6         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                :
CFTC Code #064A60                                                    Open Interest is    50,368                :
: Positions                                                                                                    :
:   44,613    36,537     1,869     8,897     3,542         0       360         0         0       922       110 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:     -110     1,223         0    -1,760     1,716         0         0         0         0       682         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     88.6      72.5       3.7      17.7       7.0       0.0       0.7       0.0       0.0       1.8       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    29                     :
:       16        12         .         .         4         0         .         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                 :
CFTC Code #064A63                                                    Open Interest is    53,182                :
: Positions                                                                                                    :
:   31,710    42,955    18,475     7,020        63     2,340     2,550         0         0         0         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     59.6      80.8      34.7      13.2       0.1       4.4       4.8       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       11        13         .         .         .         .         .         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM AEP DAY HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)               :
CFTC Code #064A64                                                    Open Interest is    42,848                :
: Positions                                                                                                    :
:   10,542    22,953    13,275    16,293       192     1,370         0     2,140    14,059         0     1,270 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     24.6      53.6      31.0      38.0       0.4       3.2       0.0       5.0      32.8       0.0       3.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       10         9         .         .         .         .         0         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A68                                                    Open Interest is    15,652                :
: Positions                                                                                                    :
:    9,338    10,448     2,905     3,032     1,509         0         0         0       702        19       176 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:       44        88         0         0         0         0         0         0         0       -44       176 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     59.7      66.8      18.6      19.4       9.6       0.0       0.0       0.0       4.5       0.1       1.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       11        11         .         .         .         0         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE J 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A69                                                    Open Interest is    12,747                :
: Positions                                                                                                    :
:    7,964     8,500     2,538     1,805     1,415         0         0         0       362       878         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:        .         .         .         .         .         .         .         .         .         .         . :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     62.5      66.7      19.9      14.2      11.1       0.0       0.0       0.0       2.8       6.9       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       10         5         .         .         4         0         0         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                 :
CFTC Code #064A78                                                    Open Interest is   856,392                :
: Positions                                                                                                    :
:  807,397   544,933         0   242,221    25,595    23,400         0         0         0    43,643         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     94.3      63.6       0.0      28.3       3.0       2.7       0.0       0.0       0.0       5.1       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       17        12         0         4         .         .         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of February 28, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL HUB 5 OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                 :
CFTC Code #064A79                                                    Open Interest is   933,450                :
: Positions                                                                                                    :
:  425,811   712,813   363,384   144,432    58,560    68,050         0    17,645         0         0         0 :
:                                                                                                              :
: Changes from:     February 21, 2012                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     45.6      76.4      38.9      15.5       6.3       7.3       0.0       1.9       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       10        13         .         .         .         .         0         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
```

----

Updated March 2, 2012