```
PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064657
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :   154,791:    95,083     99,691      3,923      2,459     42,009        784         73      9,119        439          0        650:    2,785       789
Old  :   154,791:    95,083     99,691      3,923      2,459     42,009        784         73      9,119        439          0        650:    2,785       789
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :    14,257:     8,010      7,820       -368       -225      4,899       -433         73      1,704         90          0         36:      317       -50
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      61.4       64.4        2.5        1.6       27.1        0.5        0.0        5.9        0.3        0.0        0.4:      1.8       0.5
Old  :     100.0:      61.4       64.4        2.5        1.6       27.1        0.5        0.0        5.9        0.3        0.0        0.4:      1.8       0.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        44:        26         23          5          .          6          .          .          4          .          0          .:
Old  :        44:        26         23          5          .          6          .          .          4          .          0          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 52.6       56.8       79.4       81.9        4.0        6.8        6.4        9.4
Old  :                 52.6       56.8       79.4       81.9        4.0        6.8        6.4        9.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                          Code-06465H
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    21,467:    12,761     13,245      3,390      1,889      3,772        120      1,000        280          0        160         10:    1,134     1,111
Old  :    21,467:    12,761     13,245      3,390      1,889      3,772        120      1,000        280          0        160         10:    1,134     1,111
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :     1,171:       649        919        191         25        137          0          0          0          0        160         10:      184       -80
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      59.4       61.7       15.8        8.8       17.6        0.6        4.7        1.3        0.0        0.7        0.0:      5.3       5.2
Old  :     100.0:      59.4       61.7       15.8        8.8       17.6        0.6        4.7        1.3        0.0        0.7        0.0:      5.3       5.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        29:        16         16          4          .          5          .          .          .          0          .          .:
Old  :        29:        16         16          4          .          5          .          .          .          0          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 43.0       43.1       64.7       68.6       27.8       26.7       42.6       42.8
Old  :                 43.0       43.1       64.7       68.6       27.8       26.7       42.6       42.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-06465M
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MEGAWATTS PER OFF PEAK HRS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    31,177:    19,426     16,171      1,622      3,925      7,810          0      1,480        120          0        710        120:    2,079       841
Old  :    31,177:    19,426     16,171      1,622      3,925      7,810          0      1,480        120          0        710        120:    2,079       841
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :        20:       249       -100       -142          0        120          0          0          0          0          0          0:     -207         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      62.3       51.9        5.2       12.6       25.1        0.0        4.7        0.4        0.0        2.3        0.4:      6.7       2.7
Old  :     100.0:      62.3       51.9        5.2       12.6       25.1        0.0        4.7        0.4        0.0        2.3        0.4:      6.7       2.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        30:        20         15          .          4          5          0          .          .          0          .          .:
Old  :        30:        20         15          .          4          5          0          .          .          0          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 39.8       44.7       59.6       69.0       24.8       28.3       35.3       41.5
Old  :                 39.8       44.7       59.6       69.0       24.8       28.3       35.3       41.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-06465S
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MEGAWATTS PER OFF PEAK HRS)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    12,477:     7,978      6,748      1,202      2,734      1,423        460          0        140          0          0          0:    1,274     1,432
Old  :    12,477:     7,978      6,748      1,202      2,734      1,423        460          0        140          0          0          0:    1,274     1,432
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :       204:        10        160         54        -26        -40       -140          0        140          0          0          0:      180       -30
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      63.9       54.1        9.6       21.9       11.4        3.7        0.0        1.1        0.0        0.0        0.0:     10.2      11.5
Old  :     100.0:      63.9       54.1        9.6       21.9       11.4        3.7        0.0        1.1        0.0        0.0        0.0:     10.2      11.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        21:        12         10          .          4          5          .          0          .          0          0          0:
Old  :        21:        12         10          .          4          5          .          0          .          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 34.1       43.1       57.4       70.8       32.9       36.1       51.4       52.4
Old  :                 34.1       43.1       57.4       70.8       32.9       36.1       51.4       52.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CINERGY CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A01
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(40 MEGAWATT HOURS PER PEAK DAY)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    48,746:    31,103     35,919      3,941          0     10,748        408          0      1,229          0          0          0:    1,317       850
Old  :    48,746:    31,103     35,919      3,941          0     10,748        408          0      1,229          0          0          0:    1,317       850
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :       117:       -30       -284       -224        -16        379        -52          0          5          0          0          0:       40        34
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      63.8       73.7        8.1        0.0       22.0        0.8        0.0        2.5        0.0        0.0        0.0:      2.7       1.7
Old  :     100.0:      63.8       73.7        8.1        0.0       22.0        0.8        0.0        2.5        0.0        0.0        0.0:      2.7       1.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        26:        16         17          6          0          4          .          0          .          0          0          0:
Old  :        26:        16         17          6          0          4          .          0          .          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 63.3       62.2       82.4       84.4       25.2       35.1       32.7       38.4
Old  :                 63.3       62.2       82.4       84.4       25.2       35.1       32.7       38.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
CINERGY OFF PEAK LMP SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                         Code-064A02
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(2.5 MW X OFF PEAK HOURS PER MONTH)                                                                                     :
     :          :    Positions                                                                                                           :
All  :    11,226:     7,394      3,650      1,508      5,558      1,238          0          0          0          0          0          0:    1,086       780
Old  :    11,226:     7,394      3,650      1,508      5,558      1,238          0          0          0          0          0          0:    1,086       780
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :       288:       248        176          0         52         40          0          0          0          0          0          0:        0        20
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      65.9       32.5       13.4       49.5       11.0        0.0        0.0        0.0        0.0        0.0        0.0:      9.7       6.9
Old  :     100.0:      65.9       32.5       13.4       49.5       11.0        0.0        0.0        0.0        0.0        0.0        0.0:      9.7       6.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        22:        15         13          .          4          4          0          0          0          0          0          0:
Old  :        22:        15         13          .          4          4          0          0          0          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 35.6       66.3       59.9       81.3       32.6       57.5       49.8       63.0
Old  :                 35.6       66.3       59.9       81.3       32.6       57.5       49.8       63.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                          Code-064A34
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    55,006:    50,189     41,817      2,812     10,882      2,005          0          0          0          0          0          0:        0       302
Old  :    55,006:    50,189     41,817      2,812     10,882      2,005          0          0          0          0          0          0:        0       302
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :     3,060:     3,060        510          0      2,550          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      91.2       76.0        5.1       19.8        3.6        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.5
Old  :     100.0:      91.2       76.0        5.1       19.8        3.6        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:        10          6          .          .          .          0          0          0          0          0          0:
Old  :        20:        10          6          .          .          .          0          0          0          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 80.3       80.7       94.1       97.9       80.3       78.0       93.4       94.3
Old  :                 80.3       80.7       94.1       97.9       80.3       78.0       93.4       94.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM N ILL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                      Code-064A35
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  :   851,990:   762,554    631,341     84,756    215,969      4,680          0          0          0          0          0          0:        0         0
Old  :   851,990:   762,554    631,341     84,756    215,969      4,680          0          0          0          0          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :    53,826:    53,826      7,026          0     46,800          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      89.5       74.1        9.9       25.3        0.5        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Old  :     100.0:      89.5       74.1        9.9       25.3        0.5        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:        11          5          .          .          .          0          0          0          0          0          0:
Old  :        20:        11          5          .          .          .          0          0          0          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 73.7       83.7       92.0       99.5       73.2       82.4       91.4       98.1
Old  :                 73.7       83.7       92.0       99.5       73.2       82.4       91.4       98.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM JCPL OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A49
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  :   490,779:   176,449    287,649    314,330    200,796          0          0          0          0          0      2,334          0:        0         0
Old  :   490,779:   176,449    287,649    314,330    200,796          0          0          0          0          0      2,334          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :         .:         .          .          .          .          .          .          .          .          .          .          .:        .         .
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      36.0       58.6       64.0       40.9        0.0        0.0        0.0        0.0        0.0        0.5        0.0:      0.0       0.0
Old  :     100.0:      36.0       58.6       64.0       40.9        0.0        0.0        0.0        0.0        0.0        0.5        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:         7          7          .          .          0          0          0          0          0          .          0:
Old  :        20:         7          7          .          .          0          0          0          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 91.4       65.4       99.8       98.0       84.3       55.8       90.4       88.5
Old  :                 91.4       65.4       99.8       98.0       84.3       55.8       90.4       88.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PPL PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                            Code-064A52
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    33,071:    24,961     30,050      7,459      2,805          0          0          0          0          0          0          0:      651       216
Old  :    33,071:    24,961     30,050      7,459      2,805          0          0          0          0          0          0          0:      651       216
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :         .:         .          .          .          .          .          .          .          .          .          .          .:        .         .
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      75.5       90.9       22.6        8.5        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      2.0       0.7
Old  :     100.0:      75.5       90.9       22.6        8.5        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      2.0       0.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        20:        11          8          .          .          0          0          0          0          0          0          0:
Old  :        20:        11          8          .          .          0          0          0          0          0          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 67.7       68.0       86.5       96.7       63.7       65.0       82.5       91.1
Old  :                 67.7       68.0       86.5       96.7       63.7       65.0       82.5       91.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PSEG PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                           Code-064A54
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    90,711:    29,298     55,041     59,220     30,083      2,042          0          0          0          0      3,545          0:      151         0
Old  :    90,711:    29,298     55,041     59,220     30,083      2,042          0          0          0          0      3,545          0:      151         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :        44:         0      2,604         44     -2,560          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      32.3       60.7       65.3       33.2        2.3        0.0        0.0        0.0        0.0        3.9        0.0:      0.2       0.0
Old  :     100.0:      32.3       60.7       65.3       33.2        2.3        0.0        0.0        0.0        0.0        3.9        0.0:      0.2       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        25:         8          9          5          .          .          0          0          0          0          .          0:
Old  :        25:         8          9          5          .          .          0          0          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 71.5       72.0       90.2       90.3       71.5       69.8       90.2       88.1
Old  :                 71.5       72.0       90.2       90.3       71.5       69.8       90.2       88.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM PSEG OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                       Code-064A55
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  : 1,475,313:   412,702    940,407  1,051,775    465,920     10,836          0          0          0          0     58,150          0:        0         0
Old  : 1,475,313:   412,702    940,407  1,051,775    465,920     10,836          0          0          0          0     58,150          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :         0:         0     46,880          0    -46,880          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      28.0       63.7       71.3       31.6        0.7        0.0        0.0        0.0        0.0        3.9        0.0:      0.0       0.0
Old  :     100.0:      28.0       63.7       71.3       31.6        0.7        0.0        0.0        0.0        0.0        3.9        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        24:         8          9          5          .          .          0          0          0          0          .          0:
Old  :        24:         8          9          5          .          .          0          0          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 75.4       71.3       91.7       93.8       75.4       70.5       90.4       93.1
Old  :                 75.4       71.3       91.7       93.8       75.4       70.5       90.4       93.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A56
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :   175,496:   134,739     92,611     32,745     77,715      4,077          0          0          0      3,935          0          0:        0     1,093
Old  :   175,496:   134,739     92,611     32,745     77,715      4,077          0          0          0      3,935          0          0:        0     1,093
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :     1,262:     3,067      1,384     -1,595         88       -210          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      76.8       52.8       18.7       44.3        2.3        0.0        0.0        0.0        2.2        0.0        0.0:      0.0       0.6
Old  :     100.0:      76.8       52.8       18.7       44.3        2.3        0.0        0.0        0.0        2.2        0.0        0.0:      0.0       0.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        35:        17         16          .          6          .          0          0          0          .          0          0:
Old  :        35:        17         16          .          6          .          0          0          0          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 56.5       61.1       77.6       79.1       56.5       59.1       76.1       75.8
Old  :                 56.5       61.1       77.6       79.1       56.5       59.1       76.1       75.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN OFF PEAK DAY AHEAD - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A57
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 50 MEGAWATT HOURS)                                                                                        :
     :          :    Positions                                                                                                           :
All  : 2,886,570: 2,309,495  1,566,939    489,448  1,291,321     28,310          0          0          0     59,317          0          0:        0         0
Old  : 2,886,570: 2,309,495  1,566,939    489,448  1,291,321     28,310          0          0          0     59,317          0          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :     1,750:    48,630        150    -46,880      1,600          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      80.0       54.3       17.0       44.7        1.0        0.0        0.0        0.0        2.1        0.0        0.0:      0.0       0.0
Old  :     100.0:      80.0       54.3       17.0       44.7        1.0        0.0        0.0        0.0        2.1        0.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        34:        17         17          .          5          .          0          0          0          .          0          0:
Old  :        34:        17         17          .          5          .          0          0          0          .          0          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 64.6       66.1       84.5       84.7       64.6       65.2       84.0       82.5
Old  :                 64.6       66.1       84.5       84.7       64.6       65.2       84.0       82.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE                                                                                        Code-064A58
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    65,100:    55,923     58,104      5,180          1      3,997          0          0          0          0      2,890          0:        0       108
Old  :    65,100:    55,923     58,104      5,180          1      3,997          0          0          0          0      2,890          0:        0       108
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :     1,595:     1,595        320     -1,275          0      1,275          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      85.9       89.3        8.0        0.0        6.1        0.0        0.0        0.0        0.0        4.4        0.0:      0.0       0.2
Old  :     100.0:      85.9       89.3        8.0        0.0        6.1        0.0        0.0        0.0        0.0        4.4        0.0:      0.0       0.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        27:        17         14          .          .          .          0          0          0          0          .          0:
Old  :        27:        17         14          .          .          .          0          0          0          0          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 54.9       58.5       74.6       79.7       45.6       53.6       63.1       66.2
Old  :                 54.9       58.5       74.6       79.7       45.6       53.6       63.1       66.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM WESTERN OFF PEAK REAL TIME - NEW YORK MERCANTILE EXCHANGE                                                                                    Code-064A59
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  : 1,027,608:   868,083    811,995     89,280     82,408     60,885          0          0          0      9,360     72,320          0:        0         0
Old  : 1,027,608:   868,083    811,995     89,280     82,408     60,885          0          0          0      9,360     72,320          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :     9,360:         0      9,360          0          0          0          0          0          0      9,360          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      84.5       79.0        8.7        8.0        5.9        0.0        0.0        0.0        0.9        7.0        0.0:      0.0       0.0
Old  :     100.0:      84.5       79.0        8.7        8.0        5.9        0.0        0.0        0.0        0.9        7.0        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        28:        13         14          .          .          .          0          0          0          .          .          0:
Old  :        28:        13         14          .          .          .          0          0          0          .          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 59.2       52.7       80.4       78.8       58.3       50.0       70.6       71.4
Old  :                 59.2       52.7       80.4       78.8       58.3       50.0       70.6       71.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG INT HUB PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A60
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 80 Megawatt Hours)                                                                                        :
     :          :    Positions                                                                                                           :
All  :    56,543:    43,361     40,540      1,776      8,632      6,831          0          0          0      4,530        495         45:        0         0
Old  :    56,543:    43,361     40,540      1,776      8,632      6,831          0          0          0      4,530        495         45:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :       -85:       -85        -85          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      76.7       71.7        3.1       15.3       12.1        0.0        0.0        0.0        8.0        0.9        0.1:      0.0       0.0
Old  :     100.0:      76.7       71.7        3.1       15.3       12.1        0.0        0.0        0.0        8.0        0.9        0.1:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        33:        17         20          .          5          5          0          0          0          .          .          .:
Old  :        33:        17         20          .          5          5          0          0          0          .          .          .:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 56.8       44.0       77.1       60.1       50.4       31.0       63.7       45.7
Old  :                 56.8       44.0       77.1       60.1       50.4       31.0       63.7       45.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
ISO NEW ENG HUB OFF PEAK SWAP - NEW YORK MERCANTILE EXCHANGE                                                                                     Code-064A78
Disaggregated Commitments of Traders - Options and Futures Combined, March 9, 2010                   
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :                                              Reportable Positions                                                      :   Nonreportable
     :          :  Producer/Merchant/ :                                :                                :                                :     Positions
     :   Open   :   Processor/User    :          Swap Dealers          :         Managed Money          :       Other Reportables        :
     : Interest :   Long   :  Short   :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long   :  Short   :Spreading :   Long  :  Short
-------------------------------------------------------------------------------------------------------------------------------------------------------------
     :          :(Contracts of 5 Megawatt Hours)                                                                                         :
     :          :    Positions                                                                                                           :
All  : 1,031,969:   805,450    682,513      6,515    194,440    126,464          0     23,400          0     93,540      5,152          0:        0         0
Old  : 1,031,969:   805,450    682,513      6,515    194,440    126,464          0     23,400          0     93,540      5,152          0:        0         0
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Changes in Commitments from:       March 2, 2010                                                                    :
     :    -1,887:    -1,887     -1,887          0          0          0          0          0          0          0          0          0:        0         0
     :          :                                                                                                                        :
     :          :    Percent of Open Interest Represented by Each Category of Trader                                                     :
All  :     100.0:      78.0       66.1        0.6       18.8       12.3        0.0        2.3        0.0        9.1        0.5        0.0:      0.0       0.0
Old  :     100.0:      78.0       66.1        0.6       18.8       12.3        0.0        2.3        0.0        9.1        0.5        0.0:      0.0       0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0:      0.0       0.0
     :          :                                                                                                                        :
     :          :    Number of Traders in Each Category                                                                                  :
All  :        35:        17         17          .          5          .          0          .          0          .          .          0:
Old  :        35:        17         17          .          5          .          0          .          0          .          .          0:
Other:         0:         0          0          0          0          0          0          0          0          0          0          0:
     :-------------------------------------------------------------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 47.7       48.8       70.7       64.7       47.3       34.9       57.8       49.2
Old  :                 47.7       48.8       70.7       64.7       47.3       34.9       57.8       49.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated March 12, 2010