MISO.INDIANA.HUB_month_on_dap - NODAL EXCHANGE                                                          Code-064BFI
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    20,825:     1,975        540        130     18,265     19,635     20,370     20,305:       455        520
Old  :    20,825:     1,975        540        130     18,265     19,635     20,370     20,305:       455        520
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :       978:      -101        -30          0      1,240      1,258      1,139      1,228:      -161       -250
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.5        2.6        0.6       87.7       94.3       97.8       97.5:       2.2        2.5
Old  :     100.0:       9.5        2.6        0.6       87.7       94.3       97.8       97.5:       2.2        2.5
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  :        24:         2          1          1         11         14         13         16:
Old  :        24:         2          1          1         11         14         13         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  :                 77.5       66.7       93.4       87.0       73.9       66.7       89.1       85.9
Old  :                 77.5       66.7       93.4       87.0       73.9       66.7       89.1       85.9
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    18,761:     1,116        610        175     17,086     17,496     18,377     18,281:       384        480
Old  :    18,761:     1,116        610        175     17,086     17,496     18,377     18,281:       384        480
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :     1,303:      -101        -30          0      1,500      1,443      1,399      1,413:       -96       -110
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       5.9        3.3        0.9       91.1       93.3       98.0       97.4:       2.0        2.6
Old  :     100.0:       5.9        3.3        0.9       91.1       93.3       98.0       97.4:       2.0        2.6
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  :        21:         1          2          1          9         14         11         16:
Old  :        21:         1          2          1          9         14         11         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  :                 82.9       67.6       96.6       86.0       78.0       67.6       88.8       83.9
Old  :                 82.9       67.6       96.6       86.0       78.0       67.6       88.8       83.9
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    59,230:       840         50        145     56,516     57,076     57,501     57,271:     1,729      1,959
Old  :    59,230:       840         50        145     56,516     57,076     57,501     57,271:     1,729      1,959
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :    -2,059:       -15          0         -5     -1,855     -1,854     -1,875     -1,859:      -184       -200
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.4        0.1        0.2       95.4       96.4       97.1       96.7:       2.9        3.3
Old  :     100.0:       1.4        0.1        0.2       95.4       96.4       97.1       96.7:       2.9        3.3
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  :        28:         2          1          1         16         20         18         22:
Old  :        28:         2          1          1         16         20         18         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  :                 81.1       72.2       89.7       86.5       79.3       68.8       84.8       81.3
Old  :                 81.1       72.2       89.7       86.5       79.3       68.8       84.8       81.3
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    54,987:       840          0        145     52,562     52,455     53,547     52,600:     1,440      2,387
Old  :    54,987:       840          0        145     52,562     52,455     53,547     52,600:     1,440      2,387
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :    -1,790:       -15          0         -5     -1,605     -1,564     -1,625     -1,569:      -165       -221
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       1.5        0.0        0.3       95.6       95.4       97.4       95.7:       2.6        4.3
Old  :     100.0:       1.5        0.0        0.3       95.6       95.4       97.4       95.7:       2.6        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  :        24:         2          0          1         16         17         18         18:
Old  :        24:         2          0          1         16         17         18         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  :                 84.9       75.3       91.0       89.3       82.9       72.7       86.6       84.7
Old  :                 84.9       75.3       91.0       89.3       82.9       72.7       86.6       84.7
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    11,075:       750          0          0      9,995     10,955     10,745     10,955:       330        120
Old  :    11,075:       750          0          0      9,995     10,955     10,745     10,955:       330        120
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :    -1,125:      -397          0          0       -440     -1,125       -837     -1,125:      -288          0
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       6.8        0.0        0.0       90.2       98.9       97.0       98.9:       3.0        1.1
Old  :     100.0:       6.8        0.0        0.0       90.2       98.9       97.0       98.9:       3.0        1.1
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  :        22:         2          0          0         14          9         16          9:
Old  :        22:         2          0          0         14          9         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  :                 61.9       90.8       90.0       98.5       60.0       89.3       82.3       91.2
Old  :                 61.9       90.8       90.0       98.5       60.0       89.3       82.3       91.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.JCPL_month_on_dap - NODAL EXCHANGE                                                                  Code-064EJI
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :     9,210:         0        340          0      9,090      8,870      9,090      9,210:       120          0
Old  :     9,210:         0        340          0      9,090      8,870      9,090      9,210:       120          0
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :      -370:         0         50          0       -315       -245       -315       -195:       -55       -175
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0        3.7        0.0       98.7       96.3       98.7      100.0:       1.3        0.0
Old  :     100.0:       0.0        3.7        0.0       98.7       96.3       98.7      100.0:       1.3        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:         0          1          0         12         14         12         15:
Old  :        21:         0          1          0         12         14         12         15:
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  :                 76.5       65.6       96.2       91.6       66.7       60.4       79.2       78.5
Old  :                 76.5       65.6       96.2       91.6       66.7       60.4       79.2       78.5
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.PECO_month_on_dap - NODAL EXCHANGE                                                                  Code-064EUY
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    13,545:        50      2,110         50     13,100     11,130     13,200     13,290:       345        255
Old  :    13,545:        50      2,110         50     13,100     11,130     13,200     13,290:       345        255
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :         .:         .          .          .          .          .          .          .:         .          .
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.4       15.6        0.4       96.7       82.2       97.5       98.1:       2.5        1.9
Old  :     100.0:       0.4       15.6        0.4       96.7       82.2       97.5       98.1:       2.5        1.9
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  :        21:         1          2          1         15          8         16         11:
Old  :        21:         1          2          1         15          8         16         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  :                 60.8       81.1       84.5       96.8       60.8       71.4       80.4       81.8
Old  :                 60.8       81.1       84.5       96.8       60.8       71.4       80.4       81.8
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    11,260:         0      1,235        305     10,645      9,500     10,950     11,040:       310        220
Old  :    11,260:         0      1,235        305     10,645      9,500     10,950     11,040:       310        220
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :      -809:         0        -41         -9       -790       -640       -799       -690:       -10       -119
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0       11.0        2.7       94.5       84.4       97.2       98.0:       2.8        2.0
Old  :     100.0:       0.0       11.0        2.7       94.5       84.4       97.2       98.0:       2.8        2.0
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:         0          2          1         14         12         15         14:
Old  :        21:         0          2          1         14         12         15         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  :                 68.3       63.2       85.9       91.9       64.7       60.8       76.9       77.8
Old  :                 68.3       63.2       85.9       91.9       64.7       60.8       76.9       77.8
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    25,938:       100      5,555          0     25,653     20,243     25,753     25,798:       185        140
Old  :    25,938:       100      5,555          0     25,653     20,243     25,753     25,798:       185        140
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :    -1,003:         0       -110          0       -918       -868       -918       -978:       -85        -25
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.4       21.4        0.0       98.9       78.0       99.3       99.5:       0.7        0.5
Old  :     100.0:       0.4       21.4        0.0       98.9       78.0       99.3       99.5:       0.7        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  :        21:         1          1          0         14         13         15         14:
Old  :        21:         1          1          0         14         13         15         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  :                 72.6       90.5       90.4       98.2       72.4       90.2       89.9       94.2
Old  :                 72.6       90.5       90.4       98.2       72.4       90.2       89.9       94.2
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.PSEG_month_off_dap - NODAL EXCHANGE                                                                 Code-064EXF
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    25,030:         0      4,980          0     24,895     19,945     24,895     24,925:       135        105
Old  :    25,030:         0      4,980          0     24,895     19,945     24,895     24,925:       135        105
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :      -960:         0        -60          0       -875       -890       -875       -950:       -85        -10
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.0       19.9        0.0       99.5       79.7       99.5       99.6:       0.5        0.4
Old  :     100.0:       0.0       19.9        0.0       99.5       79.7       99.5       99.6:       0.5        0.4
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  :        21:         0          1          0         15         10         15         11:
Old  :        21:         0          1          0         15         10         15         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  :                 74.1       91.5       91.4       99.1       74.1       90.7       90.6       95.3
Old  :                 74.1       91.5       91.4       99.1       74.1       90.7       90.6       95.3
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    70,504:    13,328        230        593     53,623     66,721     67,544     67,544:     2,960      2,960
Old  :    70,504:    13,328        230        593     53,623     66,721     67,544     67,544:     2,960      2,960
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :    -2,050:       622          0       -222     -2,080     -1,558     -1,680     -1,780:      -370       -270
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      18.9        0.3        0.8       76.1       94.6       95.8       95.8:       4.2        4.2
Old  :     100.0:      18.9        0.3        0.8       76.1       94.6       95.8       95.8:       4.2        4.2
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  :        36:         4          1          4         24         22         29         26:
Old  :        36:         4          1          4         24         22         29         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  :                 65.8       59.4       85.6       81.0       65.7       58.3       83.7       79.8
Old  :                 65.8       59.4       85.6       81.0       65.7       58.3       83.7       79.8
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    65,895:    15,857          0          0     48,365     64,045     64,222     64,045:     1,673      1,850
Old  :    65,895:    15,857          0          0     48,365     64,045     64,222     64,045:     1,673      1,850
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :    -1,420:      -323          0          0       -870     -1,090     -1,193     -1,090:      -227       -330
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      24.1        0.0        0.0       73.4       97.2       97.5       97.2:       2.5        2.8
Old  :     100.0:      24.1        0.0        0.0       73.4       97.2       97.5       97.2:       2.5        2.8
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  :        34:         3          0          0         22         24         25         24:
Old  :        34:         3          0          0         22         24         25         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  :                 66.8       62.4       87.8       82.8       66.4       61.6       86.8       80.9
Old  :                 66.8       62.4       87.8       82.8       66.4       61.6       86.8       80.9
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    28,141:     2,800      4,475          0     24,230     22,730     27,030     27,205:     1,111        936
Old  :    28,141:     2,800      4,475          0     24,230     22,730     27,030     27,205:     1,111        936
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :    -1,177:      -125       -125       -100       -800       -740     -1,025       -965:      -152       -212
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       9.9       15.9        0.0       86.1       80.8       96.1       96.7:       3.9        3.3
Old  :     100.0:       9.9       15.9        0.0       86.1       80.8       96.1       96.7:       3.9        3.3
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  :        27:         2          2          0         20         18         22         20:
Old  :        27:         2          2          0         20         18         22         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  :                 49.8       61.5       79.3       82.3       42.9       55.2       56.3       62.5
Old  :                 49.8       61.5       79.3       82.3       42.9       55.2       56.3       62.5
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    24,050:       600          0        600     22,760     23,280     23,960     23,880:        90        170
Old  :    24,050:       600          0        600     22,760     23,280     23,960     23,880:        90        170
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :    -1,235:      -200        -50          0       -980     -1,110     -1,180     -1,160:       -55        -75
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       2.5        0.0        2.5       94.6       96.8       99.6       99.3:       0.4        0.7
Old  :     100.0:       2.5        0.0        2.5       94.6       96.8       99.6       99.3:       0.4        0.7
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:         2          0          1         22         15         24         16:
Old  :        26:         2          0          1         22         15         24         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  :                 53.8       62.9       74.2       84.6       43.8       47.7       54.6       58.1
Old  :                 53.8       62.9       74.2       84.6       43.8       47.7       54.6       58.1
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
PJM.N ILLINOIS HUB_month_off_rtp - NODAL EXCHANGE                                                       Code-064FKD
Commitments of Traders with Delta-adjusted Options and Futures Combined, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    10,075:     1,200        200          0      8,335      9,525      9,535      9,725:       540        350
Old  :    10,075:     1,200        200          0      8,335      9,525      9,535      9,725:       540        350
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :      -775:         0        -25          0       -730       -680       -730       -705:       -45        -70
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      11.9        2.0        0.0       82.7       94.5       94.6       96.5:       5.4        3.5
Old  :     100.0:      11.9        2.0        0.0       82.7       94.5       94.6       96.5:       5.4        3.5
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  :        20:         1          1          0         12         10         13         11:
Old  :        20:         1          1          0         12         10         13         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  :                 71.2       78.8       86.7       92.1       71.2       78.0       86.0       88.9
Old  :                 71.2       78.8       86.7       92.1       71.2       78.0       86.0       88.9
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    28,498:     3,760      4,000          3     23,485     23,575     27,248     27,578:     1,250        920
Old  :    28,498:     3,760      4,000          3     23,485     23,575     27,248     27,578:     1,250        920
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :       342:      -262       -175       -103        840        745        475        467:      -133       -125
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      13.2       14.0        0.0       82.4       82.7       95.6       96.8:       4.4        3.2
Old  :     100.0:      13.2       14.0        0.0       82.4       82.7       95.6       96.8:       4.4        3.2
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  :        31:         4          2          1         19         20         23         23:
Old  :        31:         4          2          1         19         20         23         23:
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  :                 56.4       42.6       79.3       66.5       52.0       31.9       67.0       53.4
Old  :                 56.4       42.6       79.3       66.5       52.0       31.9       67.0       53.4
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, May 12, 2015                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : Megawatt Hours (MWh)                                                       :
     :          :                                                                            :
All  :    20,335:       150      1,370        660     18,520     17,655     19,330     19,685:     1,005        650
Old  :    20,335:       150      1,370        660     18,520     17,655     19,330     19,685:     1,005        650
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 5, 2015                          :
     :      -965:        25        -10        -75       -645       -675       -695       -760:      -270       -205
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       0.7        6.7        3.2       91.1       86.8       95.1       96.8:       4.9        3.2
Old  :     100.0:       0.7        6.7        3.2       91.1       86.8       95.1       96.8:       4.9        3.2
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          2         17         16         19         19:
Old  :        24:         1          2          2         17         16         19         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  :                 61.3       45.9       80.8       70.0       52.2       36.2       62.5       55.9
Old  :                 61.3       45.9       80.8       70.0       52.2       36.2       62.5       55.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 



Updated May 15, 2015