```
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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     7,579                :
: Positions                                                                                                    :
:    5,750     5,563       360       783       636         0        90        15       285         0         0 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:       45        56       -30        16        -8         0       -15        15       -45         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     75.9      73.4       4.7      10.3       8.4       0.0       1.2       0.2       3.8       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    21                     :
:       13        13         .         .         .         0         .         .         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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   190,964                :
: Positions                                                                                                    :
:   91,504    92,993     6,600    11,197    62,789     8,275     2,828    17,736       135       152     1,261 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:    1,079       705     2,614       334     3,048        44       -78         8        -7       -29       288 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     47.9      48.7       3.5       5.9      32.9       4.3       1.5       9.3       0.1       0.1       0.7 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    48                     :
:       27        22         4         5         8         .         .         4         .         .         4 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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    24,440                :
: Positions                                                                                                    :
:   13,033    13,202     3,103     2,805     4,911       561       120     1,631         0       570        28 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:      266       316        32        19       -63       -24         0        -8         0        22         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     53.3      54.0      12.7      11.5      20.1       2.3       0.5       6.7       0.0       2.3       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    28                     :
:       16        12         4         .         5         .         .         .         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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    30,051                :
: Positions                                                                                                    :
:   20,686    11,696     1,496     9,445     4,612         0     2,120         0        48       428       492 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:      318       308         0      -120       190         0         0         0       -10         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     68.8      38.9       5.0      31.4      15.3       0.0       7.1       0.0       0.2       1.4       1.6 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       17        12         .         4         6         0         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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    11,581                :
: Positions                                                                                                    :
:    8,689     8,366       892     1,733       524       340         0        40         0       354         0 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:      816       882         0         0         0         0         0         0         0       -20         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     75.0      72.2       7.7      15.0       4.5       2.9       0.0       0.3       0.0       3.1       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       15        10         .         .         4         .         0         .         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 2011             
:                                             Reportable Positions                                             :
:------------------------------------------------------------------------------------------------------------- :
: Producer/Merchant :                             :                             :                              :
:  Processor/User   :        Swap Dealers         :        Managed Money        :      Other Reportables       :
:   Long  :  Short  :   Long  :  Short  :Spreading:   Long  :  Short  :Spreading:   Long  :  Short  :Spreading :
----------------------------------------------------------------------------------------------------------------
CINERGY CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE   (40 MEGAWATT HOURS PER PEAK DAY)                   :
CFTC Code #064A01                                                    Open Interest is    28,983                :
: Positions                                                                                                    :
:   19,208    17,937     1,730     3,088     5,470         0       952       476         0         0         0 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:       18       -61        49       -56      -256         0       -65        18         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     66.3      61.9       6.0      10.7      18.9       0.0       3.3       1.6       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       17        15         .         .         4         0         .         .         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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    49,421                :
: Positions                                                                                                    :
:   46,808    35,379     2,167    13,536         0         0         0         0         0       382         0 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:    1,275     1,275         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     94.7      71.6       4.4      27.4       0.0       0.0       0.0       0.0       0.0       0.8       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    22                     :
:       10        10         .         .         0         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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   763,101                :
: Positions                                                                                                    :
:  677,731   507,647    43,041   244,435     4,697         0         0         0    31,310         0     6,322 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:   23,400    23,400         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     88.8      66.5       5.6      32.0       0.6       0.0       0.0       0.0       4.1       0.0       0.8 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       12         9         .         .         .         0         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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    55,371                :
: Positions                                                                                                    :
:   27,651    36,517    26,418    17,342     1,302         0         0         0         0       210         0 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:      440       440         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     49.9      65.9      47.7      31.3       2.4       0.0       0.0       0.0       0.0       0.4       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       12        12         5         .         .         0         0         0         0         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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   964,442                :
: Positions                                                                                                    :
:  459,983   632,962   476,739   303,760    27,720         0         0         0         0         0         0 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     47.7      65.6      49.4      31.5       2.9       0.0       0.0       0.0       0.0       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    23                     :
:       13         9         5         .         .         0         0         0         0         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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   180,954                :
: Positions                                                                                                    :
:  100,441   140,065    77,981    36,319     2,108         0         0         0       210     2,248       214 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:    2,460      -520         0         0         0         0         0         0      -732     2,248         4 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     55.5      77.4      43.1      20.1       1.2       0.0       0.0       0.0       0.1       1.2       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    39                     :
:       18        22         .         6         .         0         0         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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 3,134,619                :
: Positions                                                                                                    :
:1,749,890 2,431,227 1,341,658   614,637    39,201         0         0         0         0    45,684     3,870 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:        0   -55,060         0         0         0         0         0         0    -9,376    45,684     3,870 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     55.8      77.6      42.8      19.6       1.3       0.0       0.0       0.0       0.0       1.5       0.1 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    37                     :
:       15        20         .         6         .         0         0         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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    52,558                :
: Positions                                                                                                    :
:   35,705    45,076     7,896     1,340     4,270     1,275       190         0     3,280     1,295       132 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     67.9      85.8      15.0       2.5       8.1       2.4       0.4       0.0       6.2       2.5       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    33                     :
:       18        16         5         .         .         .         .         0         .         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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 1,169,979                :
: Positions                                                                                                    :
:  988,090   865,321    61,116   157,280    97,373         0         0         0    23,400    50,005         0 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:   86,680    -7,400   -23,520    70,560    23,520         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     84.5      74.0       5.2      13.4       8.3       0.0       0.0       0.0       2.0       4.3       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    37                     :
:       19        18         4         .         5         0         0         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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    48,662                :
: Positions                                                                                                    :
:   38,663    31,474     2,740     9,524     7,111         0         0         0       105         0         0 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:    1,275     1,275         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     79.5      64.7       5.6      19.6      14.6       0.0       0.0       0.0       0.2       0.0       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    27                     :
:       17        13         .         4         .         0         0         0         .         0         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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    38,804                :
: Positions                                                                                                    :
:   17,194    31,390    20,401     2,550       764         0         0         0         0     3,739       170 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     44.3      80.9      52.6       6.6       2.0       0.0       0.0       0.0       0.0       9.6       0.4 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       11         9         .         .         .         0         0         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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    34,865                :
: Positions                                                                                                    :
:   25,687    27,197     4,819     3,991     2,958         0        86         0       510       315         0 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:      628       621        -6         0         8         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     73.7      78.0      13.8      11.4       8.5       0.0       0.2       0.0       1.5       0.9       0.0 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    24                     :
:       12         9         4         .         .         0         .         0         .         .         0 :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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   937,574                :
: Positions                                                                                                    :
:  772,539   560,791         0   210,927   139,235    23,400    17,725         0         0     6,496     2,400 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:   -6,607    -6,607         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     82.4      59.8       0.0      22.5      14.9       2.5       1.9       0.0       0.0       0.7       0.3 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    32                     :
:       17        16         0         5         .         .         .         0         0         .         . :
----------------------------------------------------------------------------------------------------------------
Disaggregated Commitments of Traders- Options and Futures Combined Positions as of April 19, 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   745,605                :
: Positions                                                                                                    :
:  386,934   569,151   252,015   120,303     4,656    47,040         0         0     3,465         0    51,495 :
:                                                                                                              :
: Changes from:     April 12, 2011                                                                             :
:        0         0         0         0         0         0         0         0         0         0         0 :
:                                                                                                              :
: Percent of Open Interest Represented by Each Category of Trader                                              :
:     51.9      76.3      33.8      16.1       0.6       6.3       0.0       0.0       0.5       0.0       6.9 :
:                                                                                                              :
: Number of Traders in Each Category                                  Total Traders:    20                     :
:       11         6         .         .         .         .         0         0         .         0         . :
----------------------------------------------------------------------------------------------------------------
```

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Updated April 22, 2011