Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CENTRAL APPALACHIAN COAL - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 1,550 TONS)                            :
CFTC Code #024651                                                    Open Interest is     7,610                :
: Positions                                                                                                    :
:    4,985     5,560         0     1,050        75       495         0       180     1,154        30       373 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:     -240       -85         0         0         0      -330         0       120       215        30       205 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     65.5      73.1       0.0      13.8       1.0       6.5       0.0       2.4      15.2       0.4       4.9 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       14        15         0         .         .         .         0         .         4         .         4 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CSX COAL SWAP - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 1,000 TONS)                                       :
CFTC Code #024652                                                    Open Interest is     9,355                :
: Positions                                                                                                    :
:    6,637     7,596       285         0       255     1,484         0       421         0       642       102 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:        .         .         .         .         .         .         .         .         .         .         . :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     70.9      81.2       3.0       0.0       2.7      15.9       0.0       4.5       0.0       6.9       1.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       11        13         .         0         .         .         0         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
COAL (API 2) CIF ARA SWAP FUT - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 1,000 METRIC TONS)                :
CFTC Code #024656                                                    Open Interest is    29,231                :
: Positions                                                                                                    :
:    8,843     7,658     1,175     1,477     2,463       365     3,859     2,185     8,658     6,047     5,322 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:      925       870        15       265        85      -345      -140       675       508       398       237 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     30.3      26.2       4.0       5.1       8.4       1.2      13.2       7.5      29.6      20.7      18.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    39                     :
:        9        10         .         .         .         .         .         4         9        12        14 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
COAL (API 4) FOB  RICH BAY FUT - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS OF 1,000 METRIC TONS)               :
CFTC Code #024658                                                    Open Interest is    11,875                :
: Positions                                                                                                    :
:    2,575     3,910       435       715       290       210       275     1,445     4,715     2,855     1,745 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:      490       375        25        40        65        10       180      -115        70        60       325 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     21.7      32.9       3.7       6.0       2.4       1.8       2.3      12.2      39.7      24.0      14.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    29                     :
:        6         8         .         .         .         .         .         .         6         9        13 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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   110,233                :
: Positions                                                                                                    :
:   62,278    38,077       526    25,957    31,919       140     2,262     9,648     3,414       649       519 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:      555       500         3       153       609         0         9       227         2       -45        56 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     56.5      34.5       0.5      23.5      29.0       0.1       2.1       8.8       3.1       0.6       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    41                     :
:       25        24         .         5         7         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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 A LBMP SWAP - NEW YORK MERCANTILE EXCHANGE   (CONTRACTS 0F 400 MEGAWATT HOURS)                      :
CFTC Code #06465A                                                    Open Interest is     6,140                :
: Positions                                                                                                    :
:    4,492     5,177       844       564        64         0         0         0        84         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:       42        42         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.2      84.3      13.7       9.2       1.0       0.0       0.0       0.0       1.4       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       13        14         .         .         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    19,575                :
: Positions                                                                                                    :
:   10,744    11,787       519     2,181     3,213     2,409         0     1,456         0       294       120 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:       -9        -1        -6        15         9        28         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.9      60.2       2.7      11.1      16.4      12.3       0.0       7.4       0.0       1.5       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       16        14         .         .         4         .         0         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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 CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                 :
CFTC Code #06465I                                                    Open Interest is     7,678                :
: Positions                                                                                                    :
:    6,086     3,234       104     1,322       194         0     1,544         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:      130        -0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     79.3      42.1       1.4      17.2       2.5       0.0      20.1       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       15        10         .         .         .         0         .         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    11,824                :
: Positions                                                                                                    :
:    5,807     9,044     1,660         0     1,048       496       440       414     1,452         0       386 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:      140        87       220         0        -0         0         0         0      -278         0       318 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     49.1      76.5      14.0       0.0       8.9       4.2       3.7       3.5      12.3       0.0       3.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       13        17         5         0         4         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    18,792                :
: Positions                                                                                                    :
:   11,933    13,376     1,746       652     2,356        18     1,080       580       512         0        18 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:      -12       -12         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.5      71.2       9.3       3.5      12.5       0.1       5.7       3.1       2.7       0.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    34                     :
:       22        20         4         .         6         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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     7,856                :
: Positions                                                                                                    :
:    3,872     4,450       371       729       656     1,010         0       120         0         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:        0         0         0       120      -120         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     49.3      56.6       4.7       9.3       8.4      12.9       0.0       1.5       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       15        12         .         .         .         .         0         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
AEP DAYTON OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                   :
CFTC Code #06465O                                                    Open Interest is    10,973                :
: Positions                                                                                                    :
:    4,236     5,139     1,240        86     1,518         0     1,506       124       610         0     1,516 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:        0       203       240         0         0         0         0         0      -184         0       -20 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     38.6      46.8      11.3       0.8      13.8       0.0      13.7       1.1       5.6       0.0      13.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       12        13         .         .         .         0         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    10,616                :
: Positions                                                                                                    :
:    6,149     5,340     1,451     1,355       773         0     1,220       770         0       656        10 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:       12        40         0         0         0         0       150       -34         0      -150        10 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     57.9      50.3      13.7      12.8       7.3       0.0      11.5       7.3       0.0       6.2       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       14         9         .         .         4         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    54,912                :
: Positions                                                                                                    :
:   49,656    46,175     3,155     6,636     2,101         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:    1,428     1,638         0      -210        22         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     90.4      84.1       5.7      12.1       3.8       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    32                     :
:       20        15         4         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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   831,127                :
: Positions                                                                                                    :
:  750,161   694,551    43,526    99,136    37,440         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:   -2,976    -2,976         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     90.3      83.6       5.2      11.9       4.5       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       16        15         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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 OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                    :
CFTC Code #064A39                                                    Open Interest is   450,206                :
: Positions                                                                                                    :
:  330,617    62,587    72,371     4,664     5,538         0         0         0    41,680   377,417         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:   51,979    -7,830   -26,180         0         0         0         0         0    -3,465    30,164         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.4      13.9      16.1       1.0       1.2       0.0       0.0       0.0       9.3      83.8       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:        8         9         .         .         .         0         0         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    67,722                :
: Positions                                                                                                    :
:   40,731    66,398    25,256       522       675         0         0         0       805         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.1      98.0      37.3       0.8       1.0       0.0       0.0       0.0       1.2       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       13        24         4         .         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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   889,446                :
: Positions                                                                                                    :
:  623,569   865,463   244,310     3,264    20,719         0         0         0       848         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     70.1      97.3      27.5       0.4       2.3       0.0       0.0       0.0       0.1       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    36                     :
:       16        21         4         .         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    55,200                :
: Positions                                                                                                    :
:   34,842    37,366     8,027    11,288     4,286     4,895         0     2,260       635         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:      510       510         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.1      67.7      14.5      20.4       7.8       8.9       0.0       4.1       1.2       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    35                     :
:       22        15         4         .         5         .         0         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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 1,104,678                :
: Positions                                                                                                    :
:  952,195   603,766    43,392   326,873    67,874         0    97,840         0    32,892         0     8,325 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     86.2      54.7       3.9      29.6       6.1       0.0       8.9       0.0       3.0       0.0       0.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    41                     :
:       23        20         .         5         5         0         .         0         4         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    39,192                :
: Positions                                                                                                    :
:   28,402    31,015     9,770     3,465     1,000         0     2,182         0         0     1,275         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     72.5      79.1      24.9       8.8       2.6       0.0       5.6       0.0       0.0       3.3       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       15        12         .         .         .         0         .         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    35,890                :
: Positions                                                                                                    :
:   24,202    28,627    10,920     1,495       568       200     5,200         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:      210         0      -210         0       168         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     67.4      79.8      30.4       4.2       1.6       0.6      14.5       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       13        18         .         .         .         .         .         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    22,677                :
: Positions                                                                                                    :
:   11,507    14,885       500     3,827     1,940     1,355         0     1,495     5,350         0       530 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:       34     2,584         0         0         0         0         0         0     2,550         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     50.7      65.6       2.2      16.9       8.6       6.0       0.0       6.6      23.6       0.0       2.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:        8        14         .         .         .         .         0         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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 A 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A66                                                    Open Interest is     8,524                :
: Positions                                                                                                    :
:    8,123     6,102         0     1,042         0       126         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:      644       132         0       532         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     95.3      71.6       0.0      12.2       0.0       1.5       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       14        13         0         .         0         .         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    20,986                :
: Positions                                                                                                    :
:   15,565    14,641     2,733     1,594     1,565         0       526         0        60     2,640         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:      591       336         0      -510         0         0         0         0         0       765         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     74.2      69.8      13.0       7.6       7.5       0.0       2.5       0.0       0.3      12.6       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       16        10         .         .         .         0         .         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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    12,310                :
: Positions                                                                                                    :
:    9,415     9,168     2,048     2,423       510         0         0         0         0        60         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     76.5      74.5      16.6      19.7       4.1       0.0       0.0       0.0       0.0       0.5       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       13        10         .         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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   606,899                :
: Positions                                                                                                    :
:  425,248   474,104   145,955    76,136    12,296         0        80    23,400         0    20,883         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     70.1      78.1      24.0      12.5       2.0       0.0       0.0       3.9       0.0       3.4       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       17        10         .         .         .         0         .         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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   848,738                :
: Positions                                                                                                    :
:  610,658   579,066   182,216    98,688    51,624     4,240   119,360         0         0         0         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     71.9      68.2      21.5      11.6       6.1       0.5      14.1       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       14        17         .         .         .         .         .         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM AEP DAYTON OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                  :
CFTC Code #064A80                                                    Open Interest is   482,231                :
: Positions                                                                                                    :
:  152,948   353,183   123,936         0    65,416    76,893         0     1,272       424     1,018    61,342 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:   13,698    37,098         0         0         0         0         0         0         0   -23,400    24,648 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     31.7      73.2      25.7       0.0      13.6      15.9       0.0       0.3       0.1       0.2      12.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:        9        14         5         0         .         .         0         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 2012          
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE G5 MW OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A84                                                    Open Interest is   224,536                :
: Positions                                                                                                    :
:  164,136   130,952    51,920    80,424     8,480         0         0         0         0     4,680         0 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:   14,112    23,472     9,360         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.1      58.3      23.1      35.8       3.8       0.0       0.0       0.0       0.0       2.1       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       13        10         .         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of December 11, 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 ELEC OPT ON CALENDAR STRIP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)               :
CFTC Code #064B47                                                    Open Interest is     9,373                :
: Positions                                                                                                    :
:    3,850     6,314     2,262        59     2,722       368         0       139         0       126        12 :
:                                                                                                              :
: Changes from:     December 4, 2012                                                                           :
:     -151      -122        20        -4       -48       -11         0        -2         0       -14         1 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     41.1      67.4      24.1       0.6      29.0       3.9       0.0       1.5       0.0       1.3       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       14        16         4         .         5         .         0         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
 

Updated December 14, 2012