MISO.INDIANA.HUB_month_on_dap - NODAL EXCHANGE                                                          Code-064BFI
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    22,268:     1,918         25         50     19,495     21,363     21,463     21,438:       805        830
Old  :    22,268:     1,918         25         50     19,495     21,363     21,463     21,438:       805        830
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       8.6        0.1        0.2       87.5       95.9       96.4       96.3:       3.6        3.7
Old  :     100.0:       8.6        0.1        0.2       87.5       95.9       96.4       96.3:       3.6        3.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        27:         2          1          1         14         16         16         18:
Old  :        27:         2          1          1         14         16         16         18:
Other:         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  :                 70.3       53.7       89.4       80.6       62.0       53.7       81.0       78.1
Old  :                 70.3       53.7       89.4       80.6       62.0       53.7       81.0       78.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
MISO.INDIANA.HUB_month_off_dap - NODAL EXCHANGE                                                         Code-064BFJ
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    18,996:     1,836         25        100     16,391     18,161     18,327     18,286:       669        710
Old  :    18,996:     1,836         25        100     16,391     18,161     18,327     18,286:       669        710
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.7        0.1        0.5       86.3       95.6       96.5       96.3:       3.5        3.7
Old  :     100.0:       9.7        0.1        0.5       86.3       95.6       96.5       96.3:       3.5        3.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        24:         2          1          1         11         16         13         18:
Old  :        24:         2          1          1         11         16         13         18:
Other:         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  :                 79.6       50.4       93.8       80.4       69.8       50.4       82.1       75.6
Old  :                 79.6       50.4       93.8       80.4       69.8       50.4       82.1       75.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.AEP-DAYTON HUB_month_on_dap - NODAL EXCHANGE                                                        Code-064DLW
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    65,105:       290          0          0     62,711     62,770     63,001     62,770:     2,104      2,335
Old  :    65,105:       290          0          0     62,711     62,770     63,001     62,770:     2,104      2,335
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :       100:         0          0          0        400        400        400        400:      -300       -300
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.4        0.0        0.0       96.3       96.4       96.8       96.4:       3.2        3.6
Old  :     100.0:       0.4        0.0        0.0       96.3       96.4       96.8       96.4:       3.2        3.6
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        29:         1          0          0         18         22         19         22:
Old  :        29:         1          0          0         18         22         19         22:
Other:         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  :                 82.4       75.3       91.0       88.5       81.3       71.0       84.8       80.8
Old  :                 82.4       75.3       91.0       88.5       81.3       71.0       84.8       80.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.AEP-DAYTON HUB_month_off_dap - NODAL EXCHANGE                                                       Code-064DLX
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    61,117:         0          0          0     59,137     58,707     59,137     58,707:     1,980      2,410
Old  :    61,117:         0          0          0     59,137     58,707     59,137     58,707:     1,980      2,410
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :       100:         0          0          0        400        400        400        400:      -300       -300
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        0.0        0.0       96.8       96.1       96.8       96.1:       3.2        3.9
Old  :     100.0:       0.0        0.0        0.0       96.8       96.1       96.8       96.1:       3.2        3.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        25:         0          0          0         18         20         18         20:
Old  :        25:         0          0          0         18         20         18         20:
Other:         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  :                 83.7       76.8       91.7       89.3       81.2       71.5       84.8       80.5
Old  :                 83.7       76.8       91.7       89.3       81.2       71.5       84.8       80.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.BGE_month_on_dap - NODAL EXCHANGE                                                                   Code-064DPQ
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    14,151:       800         50          6     13,105     14,095     13,911     14,151:       240          0
Old  :    14,151:       800         50          6     13,105     14,095     13,911     14,151:       240          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.7        0.4        0.0       92.6       99.6       98.3      100.0:       1.7        0.0
Old  :     100.0:       5.7        0.4        0.0       92.6       99.6       98.3      100.0:       1.7        0.0
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        21:         1          1          1         15          7         16          9:
Old  :        21:         1          1          1         15          7         16          9:
Other:         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  :                 58.5       94.7       83.4      100.0       55.4       90.8       74.8       91.2
Old  :                 58.5       94.7       83.4      100.0       55.4       90.8       74.8       91.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.PEPCO_month_on_dap - NODAL EXCHANGE                                                                 Code-064EVG
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    15,162:       150      2,400        102     14,615     12,475     14,867     14,977:       295        185
Old  :    15,162:       150      2,400        102     14,615     12,475     14,867     14,977:       295        185
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :       200:         0        100          0        200        100        200        200:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.0       15.8        0.7       96.4       82.3       98.1       98.8:       1.9        1.2
Old  :     100.0:       1.0       15.8        0.7       96.4       82.3       98.1       98.8:       1.9        1.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        24:         1          2          1         18         12         20         14:
Old  :        24:         1          2          1         18         12         20         14:
Other:         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  :                 60.7       62.9       84.6       88.9       52.4       53.3       69.2       72.9
Old  :                 60.7       62.9       84.6       88.9       52.4       53.3       69.2       72.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.PEPCO_month_off_dap - NODAL EXCHANGE                                                                Code-064EVH
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    13,285:       200      2,795          0     12,200     10,365     12,400     13,160:       885        125
Old  :    13,285:       200      2,795          0     12,200     10,365     12,400     13,160:       885        125
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.5       21.0        0.0       91.8       78.0       93.3       99.1:       6.7        0.9
Old  :     100.0:       1.5       21.0        0.0       91.8       78.0       93.3       99.1:       6.7        0.9
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        20:         1          2          0         13          9         14         11:
Old  :        20:         1          2          0         13          9         14         11:
Other:         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  :                 62.7       68.4       85.9       93.6       55.6       58.8       69.7       78.8
Old  :                 62.7       68.4       85.9       93.6       55.6       58.8       69.7       78.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.PSEG_month_on_dap - NODAL EXCHANGE                                                                  Code-064EXE
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    22,839:     1,525      4,815         40     21,029     17,964     22,594     22,819:       245         20
Old  :    22,839:     1,525      4,815         40     21,029     17,964     22,594     22,819:       245         20
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :       262:       200        -50         40         22        272        262        262:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.7       21.1        0.2       92.1       78.7       98.9       99.9:       1.1        0.1
Old  :     100.0:       6.7       21.1        0.2       92.1       78.7       98.9       99.9:       1.1        0.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        26:         1          2          1         17         15         19         17:
Old  :        26:         1          2          1         17         15         19         17:
Other:         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  :                 65.6       92.7       88.7       97.1       65.1       89.4       88.0       93.9
Old  :                 65.6       92.7       88.7       97.1       65.1       89.4       88.0       93.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.WESTERN HUB_month_on_dap - NODAL EXCHANGE                                                           Code-064FHK
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    58,733:     6,574      1,625        677     48,324     53,273     55,575     55,575:     3,158      3,158
Old  :    58,733:     6,574      1,625        677     48,324     53,273     55,575     55,575:     3,158      3,158
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :       400:        50        200          0        350        200        400        400:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.2        2.8        1.2       82.3       90.7       94.6       94.6:       5.4        5.4
Old  :     100.0:      11.2        2.8        1.2       82.3       90.7       94.6       94.6:       5.4        5.4
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        33:         2          1          1         23         26         25         28:
Old  :        33:         2          1          1         23         26         25         28:
Other:         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  :                 52.3       52.7       75.6       72.7       50.6       52.7       67.2       67.7
Old  :                 52.3       52.7       75.6       72.7       50.6       52.7       67.2       67.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.WESTERN HUB_month_off_dap - NODAL EXCHANGE                                                          Code-064FHL
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    49,962:    10,800        575          0     37,190     47,245     47,990     47,820:     1,972      2,142
Old  :    49,962:    10,800        575          0     37,190     47,245     47,990     47,820:     1,972      2,142
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :        25:        50          0          0        -25         25         25         25:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      21.6        1.2        0.0       74.4       94.6       96.1       95.7:       3.9        4.3
Old  :     100.0:      21.6        1.2        0.0       74.4       94.6       96.1       95.7:       3.9        4.3
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        33:         2          1          0         22         23         24         24:
Old  :        33:         2          1          0         22         23         24         24:
Other:         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  :                 56.6       53.5       82.2       75.9       55.7       53.5       72.6       69.2
Old  :                 56.6       53.5       82.2       75.9       55.7       53.5       72.6       69.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.AEP-DAYTON HUB_month_on_rtp - NODAL EXCHANGE                                                        Code-064FKA
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    30,450:     3,125      5,225          0     25,355     23,760     28,480     28,985:     1,970      1,465
Old  :    30,450:     3,125      5,225          0     25,355     23,760     28,480     28,985:     1,970      1,465
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.3       17.2        0.0       83.3       78.0       93.5       95.2:       6.5        4.8
Old  :     100.0:      10.3       17.2        0.0       83.3       78.0       93.5       95.2:       6.5        4.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        31:         1          2          0         23         23         24         25:
Old  :        31:         1          2          0         23         23         24         25:
Other:         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  :                 52.9       53.3       79.8       71.9       51.3       45.1       59.5       56.2
Old  :                 52.9       53.3       79.8       71.9       51.3       45.1       59.5       56.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.AEP-DAYTON HUB_month_off_rtp - NODAL EXCHANGE                                                       Code-064FKB
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    27,205:     1,050          0        750     24,770     26,320     26,570     27,070:       635        135
Old  :    27,205:     1,050          0        750     24,770     26,320     26,570     27,070:       635        135
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :       600:         0          0          0        600        600        600        600:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.9        0.0        2.8       91.0       96.7       97.7       99.5:       2.3        0.5
Old  :     100.0:       3.9        0.0        2.8       91.0       96.7       97.7       99.5:       2.3        0.5
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        28:         2          0          1         21         18         23         19:
Old  :        28:         2          0          1         21         18         23         19:
Other:         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  :                 59.7       56.4       75.0       77.2       49.4       47.9       58.1       59.9
Old  :                 59.7       56.4       75.0       77.2       49.4       47.9       58.1       59.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.N ILLINOIS HUB_month_on_rtp - NODAL EXCHANGE                                                        Code-064FKC
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    23,240:    12,300      3,610        490      9,905     18,855     22,695     22,955:       545        285
Old  :    23,240:    12,300      3,610        490      9,905     18,855     22,695     22,955:       545        285
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :        50:         0          0          0         50        230         50        230:         0       -180
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      52.9       15.5        2.1       42.6       81.1       97.7       98.8:       2.3        1.2
Old  :     100.0:      52.9       15.5        2.1       42.6       81.1       97.7       98.8:       2.3        1.2
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        22:         1          2          1         13         14         15         16:
Old  :        22:         1          2          1         13         14         15         16:
Other:         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  :                 76.3       68.2       91.4       89.8       75.6       59.2       80.1       74.6
Old  :                 76.3       68.2       91.4       89.8       75.6       59.2       80.1       74.6
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.WESTERN HUB_month_on_rtp - NODAL EXCHANGE                                                           Code-064FKE
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    28,368:     5,050      3,300        173     21,300     23,450     26,523     26,923:     1,845      1,445
Old  :    28,368:     5,050      3,300        173     21,300     23,450     26,523     26,923:     1,845      1,445
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      17.8       11.6        0.6       75.1       82.7       93.5       94.9:       6.5        5.1
Old  :     100.0:      17.8       11.6        0.6       75.1       82.7       93.5       94.9:       6.5        5.1
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        32:         3          1          2         22         23         25         26:
Old  :        32:         3          1          2         22         23         25         26:
Other:         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  :                 55.5       50.7       75.5       70.2       48.4       40.2       61.8       54.4
Old  :                 55.5       50.7       75.5       70.2       48.4       40.2       61.8       54.4
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.WESTERN HUB_month_off_rtp - NODAL EXCHANGE                                                          Code-064FKF
Commitments of Traders with Delta-adjusted Options and Futures Combined, December 23, 2014               
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    21,420:        25        208        902     18,385     18,445     19,312     19,555:     2,108      1,865
Old  :    21,420:        25        208        902     18,385     18,445     19,312     19,555:     2,108      1,865
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: December 16, 2014                    :
     :     1,200:         0          0          0      1,200      1,200      1,200      1,200:         0          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.1        1.0        4.2       85.8       86.1       90.2       91.3:       9.8        8.7
Old  :     100.0:       0.1        1.0        4.2       85.8       86.1       90.2       91.3:       9.8        8.7
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        26:         1          1          2         19         19         21         21:
Old  :        26:         1          1          2         19         19         21         21:
Other:         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  :                 52.1       42.9       72.2       64.4       35.4       29.3       45.2       42.8
Old  :                 52.1       42.9       72.2       64.4       35.4       29.3       45.2       42.8
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 



Updated December 30, 2014