Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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   134,454                :
: Positions                                                                                                    :
:   81,473    82,463     2,573     3,013    40,550     1,499       913     6,233       259       103       555 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:       38       700       256        72       272        75      -337       166        62       -13         1 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.6      61.3       1.9       2.2      30.2       1.1       0.7       4.6       0.2       0.1       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    46                     :
:       28        27         5         .         6         .         .         5         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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     8,033                :
: Positions                                                                                                    :
:    6,259     4,754       430     3,129        42     1,024         0         0         0        86         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:      260     1,796       430       -82      -324     1,024         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     77.9      59.2       5.4      39.0       0.5      12.7       0.0       0.0       0.0       1.1       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       12        10         .         .         .         .         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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    23,743                :
: Positions                                                                                                    :
:   14,255    13,596     3,871     2,886     4,139         0     1,094       479         0        25        97 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:     -303      -317        51        34       -45         0        22       -12         0       -18        15 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.0      57.3      16.3      12.2      17.4       0.0       4.6       2.0       0.0       0.1       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       18        15         4         .         5         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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    31,681                :
: Positions                                                                                                    :
:   20,301    17,148     1,977     5,361     7,122         0       740       360         0       430       130 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:      -10       -10       126        24         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     64.1      54.1       6.2      16.9      22.5       0.0       2.3       1.1       0.0       1.4       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    31                     :
:       21        18         .         4         5         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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    13,366                :
: Positions                                                                                                    :
:    8,764     7,780     1,200     2,716     1,530       720         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:       40       200        12         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     65.6      58.2       9.0      20.3      11.4       5.4       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       13        13         .         4         5         .         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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    46,791                :
: Positions                                                                                                    :
:   28,248    36,189     8,241       465     9,088        46         0       728        10         0        10 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:      512       -55      -147       -17        10        13         0        -7         7         0        -7 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.4      77.3      17.6       1.0      19.4       0.1       0.0       1.6       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       18        17         5         .         5         .         0         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CINERGY OFF PEAK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MWH X OFF PEAK HOURS PER MONTH)                :
CFTC Code #064A02                                                    Open Interest is    11,746                :
: Positions                                                                                                    :
:    7,704     3,292     1,824     6,318     1,258         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:      -82         2       406       100         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     65.6      28.0      15.5      53.8      10.7       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       17        13         .         4         6         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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   (80 MEGAWATT HOURS)                                  :
CFTC Code #064A34                                                    Open Interest is    58,588                :
: Positions                                                                                                    :
:   52,551    47,887     1,792     6,114     4,245         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:        .         .         .         .         .         .         .         .         .         .         . :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     89.7      81.7       3.1      10.4       7.2       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       12         7         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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   (5 MEGAWATT HOURS)                               :
CFTC Code #064A35                                                    Open Interest is   946,736                :
: Positions                                                                                                    :
:  845,888   753,447    74,608   167,049    26,240         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:        .         .         .         .         .         .         .         .         .         .         . :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     89.3      79.6       7.9      17.6       2.8       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       13         5         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM JCPL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (80 MEGAWATT HOURS)                                   :
CFTC Code #064A48                                                    Open Interest is    22,880                :
: Positions                                                                                                    :
:    7,738    18,583    14,692     2,980       172         0         0         0         0       762         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:        0      -105         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     33.8      81.2      64.2      13.0       0.8       0.0       0.0       0.0       0.0       3.3       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        8         6         5         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PEPCO PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (80 MEGAWATT HOURS)                                  :
CFTC Code #064A50                                                    Open Interest is    52,494                :
: Positions                                                                                                    :
:   42,011    51,994     9,528         0         0         0         0         0       220       400         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:      640     1,040       400         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     80.0      99.0      18.2       0.0       0.0       0.0       0.0       0.0       0.4       0.8       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       15         9         6         0         0         0         0         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PEPCO OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (5 MEGAWATT HOURS)                               :
CFTC Code #064A51                                                    Open Interest is   855,778                :
: Positions                                                                                                    :
:  687,634   824,738   168,144         0         0         0     7,760         0         0    23,280         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     80.4      96.4      19.6       0.0       0.0       0.0       0.9       0.0       0.0       2.7       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       10         7         5         0         0         0         .         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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   (80 MEGAWATT HOURS)                                   :
CFTC Code #064A54                                                    Open Interest is    97,812                :
: Positions                                                                                                    :
:   32,298    54,888    62,504    34,599     2,210         0         0         0         0     5,275         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:      151       151         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     33.0      56.1      63.9      35.4       2.3       0.0       0.0       0.0       0.0       5.4       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       11        11         5         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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   (5 MEGAWATT HOURS)                                :
CFTC Code #064A55                                                    Open Interest is 1,616,042                :
: Positions                                                                                                    :
:  488,464   963,168 1,107,318   562,784    20,260         0         0         0         0    69,830         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     30.2      59.6      68.5      34.8       1.3       0.0       0.0       0.0       0.0       4.3       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       12         9         5         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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   (80 MEGAWATT HOURS)                                :
CFTC Code #064A56                                                    Open Interest is   176,617                :
: Positions                                                                                                    :
:  142,568    94,044    21,798    75,944     5,994         0         0         0     6,217         0         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:      959       197      -400       402       360         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     80.7      53.2      12.3      43.0       3.4       0.0       0.0       0.0       3.5       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    37                     :
:       19        22         .         5         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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   (50 MEGAWATT HOURS)                            :
CFTC Code #064A57                                                    Open Interest is 2,824,966                :
: Positions                                                                                                    :
:2,330,889 1,529,283   357,768 1,262,579    33,104     7,760         0         0    95,445         0         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:    5,512      -424         0     5,936         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     82.5      54.1      12.7      44.7       1.2       0.3       0.0       0.0       3.4       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    33                     :
:       17        15         .         6         .         .         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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   (80 MEGAWATT HOURS)                                :
CFTC Code #064A58                                                    Open Interest is    63,218                :
: Positions                                                                                                    :
:   53,609    57,152     6,957         0     2,550         0         0         0        80     3,090         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:      510      -765    -1,275         0     1,275         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     84.8      90.4      11.0       0.0       4.0       0.0       0.0       0.0       0.1       4.9       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       16        14         4         0         .         0         0         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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   (5 MEGAWATT HOURS)                             :
CFTC Code #064A59                                                    Open Interest is 1,032,176                :
: Positions                                                                                                    :
:  871,859   761,224    95,120   123,880    65,197         0         0         0         0    81,875         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     84.5      73.7       9.2      12.0       6.3       0.0       0.0       0.0       0.0       7.9       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       11        11         .         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             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   (80 MEGAWATT HOURS)                             :
CFTC Code #064A60                                                    Open Interest is    58,080                :
: Positions                                                                                                    :
:   42,992    43,098     1,776     6,436     7,882         0         0         0     5,130       579        45 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:   -2,431       129         0    -3,840     5,120         0         0         0    -1,280         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     74.0      74.2       3.1      11.1      13.6       0.0       0.0       0.0       8.8       1.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    35                     :
:       19        21         .         5         5         0         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 22, 2009          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
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ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (5 MEGAWATT HOURS)                              :
CFTC Code #064A78                                                    Open Interest is 1,058,056                :
: Positions                                                                                                    :
:  800,113   718,320     2,675   154,248   150,088         0    23,400         0   105,180    12,000         0 :
:                                                                                                              :
: Changes from:     December 15, 2009                                                                          :
:  -46,640         0       800   -69,960    93,280         0         0         0   -24,120         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     75.6      67.9       0.3      14.6      14.2       0.0       2.2       0.0       9.9       1.1       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    39                     :
:       21        19         .         6         .         0         .         0         .         .         0 :
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Updated December 28, 2009