MISO.INDIANA.HUB_month_on_dap - NODAL EXCHANGE                       Code-064BFI
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       19,973
COMMITMENTS
   1,450      480      130   17,805   18,715   19,385   19,325      588      648

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     7.3      2.4      0.7     89.1     93.7     97.1     96.8      2.9      3.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       2        1        1       12       14       14       16                  
 
 
MISO.INDIANA.HUB_month_off_dap - NODAL EXCHANGE                      Code-064BFJ
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       21,707
COMMITMENTS
     822      530      130   20,161   20,387   21,113   21,047      594      660

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     3.8      2.4      0.6     92.9     93.9     97.3     97.0      2.7      3.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       2        2        1       10       15       12       18                  
 
 
PJM.AEP-DAYTON HUB_month_on_dap - NODAL EXCHANGE                     Code-064DLW
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       59,935
COMMITMENTS
     405      205      515   57,756   57,541   58,676   58,261    1,259    1,674

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     0.7      0.3      0.9     96.4     96.0     97.9     97.2      2.1      2.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       1        1        2       15       21       17       23                  
 
 
PJM.AEP-DAYTON HUB_month_off_dap - NODAL EXCHANGE                    Code-064DLX
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       54,607
COMMITMENTS
     405      205      515   52,577   51,858   53,497   52,578    1,110    2,029

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     0.7      0.4      0.9     96.3     95.0     98.0     96.3      2.0      3.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       1        1        2       15       18       17       20                  
 
 
PJM.PEPCO_month_on_dap - NODAL EXCHANGE                              Code-064EVG
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       10,886
COMMITMENTS
       0    1,275      296   10,300    9,110   10,596   10,681      290      205

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:        -15)
       0        0        0      -15      -15      -15      -15        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     0.0     11.7      2.7     94.6     83.7     97.3     98.1      2.7      1.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       0        2        1       13       10       14       12                  
 
 
PJM.PSEG_month_on_dap - NODAL EXCHANGE                               Code-064EXE
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       24,395
COMMITMENTS
       0    5,090        0   24,245   19,215   24,245   24,305      150       90

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     0.0     20.9      0.0     99.4     78.8     99.4     99.6      0.6      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       0        1        0       14       13       14       14                  
 
 
PJM.WESTERN HUB_month_on_dap - NODAL EXCHANGE                        Code-064FHK
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       72,573
COMMITMENTS
  10,220      215      316   59,498   69,351   70,034   69,882    2,539    2,691

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:        545)
     -50        0        0      595      545      545      545        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
    14.1      0.3      0.4     82.0     95.6     96.5     96.3      3.5      3.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       37)
       3        1        2       22       25       26       27                  
 
 
PJM.WESTERN HUB_month_off_dap - NODAL EXCHANGE                       Code-064FHL
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       67,870
COMMITMENTS
  11,795        0        0   54,443   65,903   66,238   65,903    1,632    1,967

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:        280)
     -50        0        0      330      280      280      280        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
    17.4      0.0      0.0     80.2     97.1     97.6     97.1      2.4      2.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       3        0        0       20       22       23       22                  
 
 
PJM.AEP-DAYTON HUB_month_on_rtp - NODAL EXCHANGE                     Code-064FKA
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       25,602
COMMITMENTS
   1,750    4,050      250   22,645   20,585   24,645   24,885      957      717

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     6.8     15.8      1.0     88.5     80.4     96.3     97.2      3.7      2.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       1        1        1       19       18       21       20                  
 
 
PJM.AEP-DAYTON HUB_month_off_rtp - NODAL EXCHANGE                    Code-064FKB
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       22,035
COMMITMENTS
     350      600      600   20,945   20,695   21,895   21,895      140      140

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     1.6      2.7      2.7     95.1     93.9     99.4     99.4      0.6      0.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       1        1        1       21       15       23       17                  
 
 
PJM.WESTERN HUB_month_on_rtp - NODAL EXCHANGE                        Code-064FKE
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       28,039
COMMITMENTS
   2,655    2,850      319   23,945   23,975   26,919   27,144    1,120      895

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:         50)
       0        0        0       50       50       50       50        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     9.5     10.2      1.1     85.4     85.5     96.0     96.8      4.0      3.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       3        2        2       17       22       21       25                  
 
 
PJM.WESTERN HUB_month_off_rtp - NODAL EXCHANGE                       Code-064FKF
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       22,735
COMMITMENTS
     245      600      930   20,400   20,465   21,575   21,995    1,160      740

CHANGES FROM 07/21/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     1.1      2.6      4.1     89.7     90.0     94.9     96.7      5.1      3.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       2        1        3       15       17       18       20                  



Updated July 31, 2015