Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             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     6,708                :
: Positions                                                                                                    :
:    5,480     3,365         0     2,279       587         0        45       105         0         0         0 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:        .         .         .         .         .         .         .         .         .         .         . :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     81.7      50.2       0.0      34.0       8.8       0.0       0.7       1.6       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       15        13         0         .         .         0         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                      :
CFTC Code #064657                                                    Open Interest is   200,842                :
: Positions                                                                                                    :
:   78,753    76,620     1,324    20,823    76,305    19,284     3,417    22,135       488         0       461 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:      479       -10      -832       604       561       889        73      -611       -10         0        17 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     39.2      38.1       0.7      10.4      38.0       9.6       1.7      11.0       0.2       0.0       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    45                     :
:       25        23         5         5        10         .         .         4         4         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                     :
CFTC Code #06465H                                                    Open Interest is    27,845                :
: Positions                                                                                                    :
:   14,268    14,694     2,176     2,260     6,806       574       120     2,740         0       458         6 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:      138       191        16      -120      -120      -264         0        94         0      -364         6 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     51.2      52.8       7.8       8.1      24.4       2.1       0.4       9.8       0.0       1.6       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       17        15         .         4         5         .         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                 :
CFTC Code #06465I                                                    Open Interest is    10,158                :
: Positions                                                                                                    :
:    6,505     5,243         0     2,103       569         0       738       282       535         0         8 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:      530       134         0        23         0       -12        18        12         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     64.0      51.6       0.0      20.7       5.6       0.0       7.3       2.8       5.3       0.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       13        10         0         4         .         0         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                :
CFTC Code #06465M                                                    Open Interest is    27,145                :
: Positions                                                                                                    :
:   16,805    10,198     1,902     8,799     3,388       960     2,800         0     1,262         0       314 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:       50       506         0       120        64       480         0         0        32         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     61.9      37.6       7.0      32.4      12.5       3.5      10.3       0.0       4.6       0.0       1.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    25                     :
:       15        13         .         4         6         .         .         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (2.5 MEGAWATTS PER OFF PEAK HRS)                  :
CFTC Code #06465S                                                    Open Interest is    11,949                :
: Positions                                                                                                    :
:    8,830     6,576       828     1,453       970         0       872       500         0       722        44 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:      286       -14         0         0       240         0       360       180         0       280        44 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.9      55.0       6.9      12.2       8.1       0.0       7.3       4.2       0.0       6.0       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       17        11         .         .         4         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                     :
CFTC Code #064A34                                                    Open Interest is    54,655                :
: Positions                                                                                                    :
:   47,476    40,311     1,911    11,269     2,655         0         0         0     2,151         0       399 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:       22       -84         0        22         0         0         0         0       -84         0        84 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     86.9      73.8       3.5      20.6       4.9       0.0       0.0       0.0       3.9       0.0       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       15        11         .         .         .         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                  :
CFTC Code #064A35                                                    Open Interest is   927,847                :
: Positions                                                                                                    :
:  807,055   676,108    35,210   199,075    52,664         0         0         0    32,918         0         0 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:      768         0        -8       760      -400         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     87.0      72.9       3.8      21.5       5.7       0.0       0.0       0.0       3.5       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       14        10         .         4         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PPL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                       :
CFTC Code #064A52                                                    Open Interest is    23,188                :
: Positions                                                                                                    :
:   21,506    16,290       126     6,325        63         0         0         0       750         0       510 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     92.7      70.3       0.5      27.3       0.3       0.0       0.0       0.0       3.2       0.0       2.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        9         8         .         .         .         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PPL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                    :
CFTC Code #064A53                                                    Open Interest is   373,980                :
: Positions                                                                                                    :
:  345,518   246,330     2,402   118,242         0         0         0         0    16,652         0     9,408 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     92.4      65.9       0.6      31.6       0.0       0.0       0.0       0.0       4.5       0.0       2.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:        9         9         .         .         0         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                      :
CFTC Code #064A54                                                    Open Interest is    42,501                :
: Positions                                                                                                    :
:   26,599    26,951    13,600    13,248     2,302         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     62.6      63.4      32.0      31.2       5.4       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       11         9         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM PSEG OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                   :
CFTC Code #064A55                                                    Open Interest is   791,682                :
: Positions                                                                                                    :
:  499,767   505,378   250,880   245,269    41,035         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.1      63.8      31.7      31.0       5.2       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       11         9         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                   :
CFTC Code #064A56                                                    Open Interest is   135,315                :
: Positions                                                                                                    :
:   73,256   112,307    57,396    20,101     1,794         0         0         0     1,501         0     1,113 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:    2,550     2,550         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     54.1      83.0      42.4      14.9       1.3       0.0       0.0       0.0       1.1       0.0       0.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       14        22         .         4         .         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE   (Contracts of 50 MEGAWATT HOURS)               :
CFTC Code #064A57                                                    Open Interest is 2,356,538                :
: Positions                                                                                                    :
:1,253,500 1,935,825 1,042,590   337,790    37,632         0         0         0     7,930    30,405    14,886 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:   45,123    42,043         0         0         0         0         0         0         0     3,080         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     53.2      82.1      44.2      14.3       1.6       0.0       0.0       0.0       0.3       1.3       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    41                     :
:       14        22         4         4         .         0         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                   :
CFTC Code #064A58                                                    Open Interest is    44,746                :
: Positions                                                                                                    :
:   31,526    36,374     4,573     2,076     3,555       519       820       756     3,370       718       447 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:     -195       615      -210      -510       126         0         0         0       510         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     70.5      81.3      10.2       4.6       7.9       1.2       1.8       1.7       7.5       1.6       1.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    37                     :
:       20        17         4         .         4         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A59                                                    Open Interest is 1,094,319                :
: Positions                                                                                                    :
:  877,306   640,892    46,560   332,752    97,473    23,520         0         0    36,300    10,042    13,160 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:   10,035    24,400         0    -9,360         0         0         0         0     5,005         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     80.2      58.6       4.3      30.4       8.9       2.1       0.0       0.0       3.3       0.9       1.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    36                     :
:       19        15         .         4         5         .         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                :
CFTC Code #064A60                                                    Open Interest is    52,742                :
: Positions                                                                                                    :
:   47,808    36,479     2,100    11,539     2,666         0       381         0         0     1,317       105 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:       42         0         0         0         0         0         0         0         0        42         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     90.6      69.2       4.0      21.9       5.1       0.0       0.7       0.0       0.0       2.5       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       17        13         .         4         .         0         .         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MW IND TR REAL TIME PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                :
CFTC Code #064A61                                                    Open Interest is    18,026                :
: Positions                                                                                                    :
:   13,234    10,266     4,539     1,530        42         0     5,226         0         0       751       211 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:        0    -1,275         0         0         0         0         0         0      -650       625      -405 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.4      57.0      25.2       8.5       0.2       0.0      29.0       0.0       0.0       4.2       1.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       10         5         .         .         .         0         .         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MW IND TRANS PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                       :
CFTC Code #064A62                                                    Open Interest is    24,223                :
: Positions                                                                                                    :
:   21,160    22,421     2,937     1,781         0         0         0         0       126         0         0 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:    1,275     1,275         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     87.4      92.6      12.1       7.4       0.0       0.0       0.0       0.0       0.5       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:        9        13         .         .         0         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                 :
CFTC Code #064A63                                                    Open Interest is    45,441                :
: Positions                                                                                                    :
:   23,097    38,241    21,168     2,550       252         0       645       630         0     2,913       147 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:   -1,275      -510         0         0         0         0         0         0         0      -765         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     50.8      84.2      46.6       5.6       0.6       0.0       1.4       1.4       0.0       6.4       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       12        11         .         .         .         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM AEP DAY HUB 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)               :
CFTC Code #064A64                                                    Open Interest is    34,451                :
: Positions                                                                                                    :
:    9,600    10,876     1,086    19,113       315     1,391         0     2,560    17,657         0     1,587 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:        .         .         .         .         .         .         .         .         .         .         . :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     27.9      31.6       3.2      55.5       0.9       4.0       0.0       7.4      51.3       0.0       4.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        7        11         .         .         .         .         0         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A68                                                    Open Interest is    21,283                :
: Positions                                                                                                    :
:   13,762    11,471     4,069     6,567     2,457         0       277       168       765        88         0 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:      112        12       -32       -18        26         0      -105         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     64.7      53.9      19.1      30.9      11.5       0.0       1.3       0.8       3.6       0.4       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       12        10         .         .         .         0         .         .         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                 :
CFTC Code #064A78                                                    Open Interest is   975,806                :
: Positions                                                                                                    :
:  883,194   623,886         0   240,572    65,228    23,400     6,005         0         0    36,131     3,984 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:      770    -4,620         0         0         0         0         0         0    -1,536     3,854     1,151 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     90.5      63.9       0.0      24.7       6.7       2.4       0.6       0.0       0.0       3.7       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    33                     :
:       19        16         0         5         .         .         .         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM N ILL HUB 5 OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                 :
CFTC Code #064A79                                                    Open Interest is   914,933                :
: Positions                                                                                                    :
:  354,776   772,547   376,332    69,324    46,800    47,040       225    11,625    63,948         0    14,412 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:   11,850    11,625         0         0         0         0       225    11,625         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     38.8      84.4      41.1       7.6       5.1       5.1       0.0       1.3       7.0       0.0       1.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       13        10         .         .         .         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of October 25, 2011           
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE A 5MW OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 5 Megawatt Hours)                :
CFTC Code #064A82                                                    Open Interest is   131,724                :
: Positions                                                                                                    :
:  127,704    71,206     2,402    52,895     1,618         0         0         0         0     6,005         0 :
:                                                                                                              :
: Changes from:     October 18, 2011                                                                           :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     96.9      54.1       1.8      40.2       1.2       0.0       0.0       0.0       0.0       4.6       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        9         8         .         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
 

Updated October 28, 2011