```
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 2011            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WH REAL TIME PEAK OTC - ICE OTC   (Contracts of 800 MWh)                                                   :
CFTC Code #064363                                                    Open Interest is   161,739                :
: Positions                                                                                                    :
:   86,637   101,989     6,362    30,489    12,568    25,132         0    14,636    13,025        63     1,685 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:    2,431     2,511       767       870      -200      -461         0       395       707         0        22 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     53.6      63.1       3.9      18.9       7.8      15.5       0.0       9.0       8.1       0.0       1.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    81                     :
:       44        40         7         8        10         9         0         6         8         .         6 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 2011            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MID-C FINANCIAL PEAK OTC - ICE OTC   (Contracts of 400 MWh)                                                    :
CFTC Code #064391                                                    Open Interest is    61,659                :
: Positions                                                                                                    :
:   49,593    38,852     4,225    15,410     5,366       597       414       950       513       252       415 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:    1,849       914      -577      -216      -255      -679      -103       771         0        -2       -74 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     80.4      63.0       6.9      25.0       8.7       1.0       0.7       1.5       0.8       0.4       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    39                     :
:       22        20         .         5         6         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 2011            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
MID-C FINANCIAL OFF-PEAK OTC - ICE OTC   (Contracts of 25 MWh)                                                 :
CFTC Code #064392                                                    Open Interest is   525,004                :
: Positions                                                                                                    :
:  468,762   267,462    13,854   203,387    30,993         0     5,374     3,824     1,640     8,033     3,984 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:   -8,228   -14,800     4,608     1,664        73    -3,776     4,006       544      -560     2,486    -3,152 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     89.3      50.9       2.6      38.7       5.9       0.0       1.0       0.7       0.3       1.5       0.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       21        20         .         4         4         0         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 2011            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
PJM WH OFF PEAK REAL TIME OTC - ICE OTC   (Contracts of 50 Megawatt Hours)                                     :
CFTC Code #064394                                                    Open Interest is 1,598,790                :
: Positions                                                                                                    :
:  968,049 1,143,101   220,120    81,760   200,240    74,614         0   116,616     3,930    41,060    15,197 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:  -23,584   -28,386   -11,850    -3,936     9,343      -422         0     6,304         0    -3,534       793 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     60.5      71.5      13.8       5.1      12.5       4.7       0.0       7.3       0.2       2.6       1.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    61                     :
:       31        31         4         4         8         7         0         5         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 2011            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SP15 FIN DAYAHEAD LPM PEAK OTC - ICE OTC   (Contracts of 400 Megawatt Hours)                                   :
CFTC Code #064395                                                    Open Interest is   128,354                :
: Positions                                                                                                    :
:   81,452    90,863    15,790     3,769    27,672     1,129     3,302     1,225       368       904       536 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:    1,820     3,755       793      -517       564      -149      -739       410       160        75       -28 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.5      70.8      12.3       2.9      21.6       0.9       2.6       1.0       0.3       0.7       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    50                     :
:       27        29         5         .         7         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 2011            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
SP15 FIN DA LPM OFF PEAK OTC - ICE OTC   (Contracts of 25 Megawatt Hours)                                      :
CFTC Code #064396                                                    Open Interest is   483,306                :
: Positions                                                                                                    :
:  355,189   280,894    91,406   136,539    32,863     1,920    25,632         0     1,600     7,050       328 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:   10,998     5,806      -632     3,936       899         0       624         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.5      58.1      18.9      28.3       6.8       0.4       5.3       0.0       0.3       1.5       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    36                     :
:       21        18         .         4         4         .         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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    53,256                :
: Positions                                                                                                    :
:   23,280    20,324       979    24,779     4,659    19,740       340     2,138       424         0       256 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:   -1,207    -2,095      -277       -45      -466      -692       -40       242        40       -18       -40 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     43.7      38.2       1.8      46.5       8.7      37.1       0.6       4.0       0.8       0.0       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    41                     :
:       23        18         4         5         9         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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    15,049                :
: Positions                                                                                                    :
:    9,806    10,633     2,077       582     1,190        32       500       664         0       846         0 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:     -140      -213      -181       -10        48        32       -20       264         0       -38         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     65.2      70.7      13.8       3.9       7.9       0.2       3.3       4.4       0.0       5.6       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    30                     :
:       16        15         4         .         5         .         .         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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     9,667                :
: Positions                                                                                                    :
:    6,118     5,492         0     1,765       566       132       720       150       532         0         8 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:     -559      -274      -218      -231        46        12         0         0       -25      -128       -36 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     63.3      56.8       0.0      18.3       5.9       1.4       7.4       1.6       5.5       0.0       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       14        10         0         4         .         .         .         .         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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    25,517                :
: Positions                                                                                                    :
:   16,479     9,752     2,082     8,015     2,922         0     2,800         0     1,230         0       314 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:     -809      -468       212      -233      -286         0       -10         0        88         0       -78 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     64.6      38.2       8.2      31.4      11.5       0.0      11.0       0.0       4.8       0.0       1.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       15        13         .         .         6         0         .         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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    10,971                :
: Positions                                                                                                    :
:    8,148     6,562       923     1,308       707         0       512       320         0       486         0 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:     -110      -428        -5        38       -45         0        10       -10         0       184         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     74.3      59.8       8.4      11.9       6.4       0.0       4.7       2.9       0.0       4.4       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       17        12         .         .         4         0         .         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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    51,441                :
: Positions                                                                                                    :
:   44,262    38,539     1,911     9,932     2,655         0         0         0     2,235         0       315 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:   -2,140    -1,741       -42      -420         0         0         0         0        42         0       -42 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     86.0      74.9       3.7      19.3       5.2       0.0       0.0       0.0       4.3       0.0       0.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       14        11         .         .         .         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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   756,808                :
: Positions                                                                                                    :
:  634,824   529,357    36,002   174,387    53,064         0         0         0    32,918         0         0 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:  -31,783   -23,400    -1,185    -8,800       417         0         0         0       768         0      -768 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     83.9      69.9       4.8      23.0       7.0       0.0       0.0       0.0       4.3       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    26                     :
:       12         9         .         .         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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:     September 27, 2011                                                                         :
:   51,384   -21,120      -768    62,136         0         0         0         0    -9,600         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-All Futures Combined Positions as of October 4, 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                                                                                                    :
:   26,179    26,951    13,782    13,010     2,540         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:    1,342    -2,520    -2,016     1,846         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     61.6      63.4      32.4      30.6       6.0       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       10         9         .         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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:     September 27, 2011                                                                         :
:   29,600   -43,392   -31,488    41,504    -3,840         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-All Futures Combined Positions as of October 4, 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   132,575                :
: Positions                                                                                                    :
:   70,558   109,609    56,976    20,311     1,962         0         0         0     2,131         0       693 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:   -5,923    -3,379      -208    -2,457       -63         0         0         0       231         0      -231 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     53.2      82.7      43.0      15.3       1.5       0.0       0.0       0.0       1.6       0.0       0.5 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       14        20         .         4         .         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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 2,302,002                :
: Positions                                                                                                    :
:1,203,697 1,889,102 1,042,590   341,630    33,792         0         0         0     3,965    19,520    17,958 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
: -105,984   -58,056    -5,106   -48,042     7,338         0         0         0         0    -4,992         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     52.3      82.1      45.3      14.8       1.5       0.0       0.0       0.0       0.2       0.8       0.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    40                     :
:       13        21         4         4         .         0         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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    44,515                :
: Positions                                                                                                    :
:   31,721    35,759     4,783     2,586     3,429       519       820       756     2,860       718       447 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:    2,826      -375    -3,084       453     1,077      -126         0       126       273      -189      -273 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     71.3      80.3      10.7       5.8       7.7       1.2       1.8       1.7       6.4       1.6       1.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    38                     :
:       21        17         4         .         4         .         .         .         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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 1,067,599                :
: Positions                                                                                                    :
:  863,396   612,617    50,400   342,112    93,633    23,520         0         0    23,490     6,077    13,160 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:  -60,000   -38,784    -3,072     3,840    -6,528         0   -23,520         0        90    -4,518       -90 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     80.9      57.4       4.7      32.0       8.8       2.2       0.0       0.0       2.2       0.6       1.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    34                     :
:       18        12         .         4         5         .         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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    48,110                :
: Positions                                                                                                    :
:   43,176    33,164     2,100    10,264     2,666         0       381         0         0     1,275       105 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:   -1,764    -1,017      -105    -1,338         3         0       381         0         0        84       -84 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     89.7      68.9       4.4      21.3       5.5       0.0       0.8       0.0       0.0       2.7       0.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       16        13         .         4         .         0         .         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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    18,955                :
: Positions                                                                                                    :
:   13,234    11,331     4,329     1,530       126         0     5,226         0       650       126       616 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:     -315      -546      -210         0         0         0         0         0         0        21         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     69.8      59.8      22.8       8.1       0.7       0.0      27.6       0.0       3.4       0.7       3.2 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       10         6         .         .         .         0         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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    22,780                :
: Positions                                                                                                    :
:   19,759    21,083     2,853     1,571        42         0         0         0       126         0         0 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:        .         .         .         .         .         .         .         .         .         .         . :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     86.7      92.6      12.5       6.9       0.2       0.0       0.0       0.0       0.6       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:        9        11         .         .         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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    43,911                :
: Positions                                                                                                    :
:   22,842    35,946    19,893     2,550       252         0       645       630         0     3,678       147 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:    1,821     4,434     2,634         0       -84         0         0         0         0        21       -21 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     52.0      81.9      45.3       5.8       0.6       0.0       1.5       1.4       0.0       8.4       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       13        12         .         .         .         0         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 2011            
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
NYISO ZONE G 5 MW PEAK SWAP - NEW YORK MERCANTILE EXCHANGE   (Contracts of 80 Megawatt Hours)                  :
CFTC Code #064A68                                                    Open Interest is    18,629                :
: Positions                                                                                                    :
:   11,934    10,122     4,232     6,977     1,530       168         0         0       765         0         0 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:   -1,596      -315      -399    -1,680         0       -21         0         0       255         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     64.1      54.3      22.7      37.5       8.2       0.9       0.0       0.0       4.1       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       11        10         .         .         .         .         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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   904,091                :
: Positions                                                                                                    :
:  811,094   557,176         0   240,572    65,228    23,400     6,005         0     1,536    32,277     2,833 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:  -32,256   -15,384         0   -16,872    -7,992         0    -1,920         0         0     1,920    -1,920 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     89.7      61.6       0.0      26.6       7.2       2.6       0.7       0.0       0.2       3.6       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    32                     :
:       18        15         0         5         .         .         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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   867,938                :
: Positions                                                                                                    :
:  342,926   737,402   352,812    69,324    46,800    47,040         0         0    63,948         0    14,412 :
:                                                                                                              :
: Changes from:     September 27, 2011                                                                         :
:  -10,608    -9,840      -768      -768    -1,152         0         0         0       768         0      -768 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     39.5      85.0      40.6       8.0       5.4       5.4       0.0       0.0       7.4       0.0       1.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       13         8         .         .         .         .         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders-All Futures Combined Positions as of October 4, 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:     September 27, 2011                                                                         :
:   -8,064    -3,456      -768    -5,376         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 7, 2011