MISO.INDIANA.HUB_month_on_dap - NODAL EXCHANGE                       Code-064BFI
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/04/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       20,173
COMMITMENTS
   1,450      480      130   18,005   18,915   19,585   19,525      588      648

CHANGES FROM 07/28/15 (CHANGE IN OPEN INTEREST:        200)
       0        0        0      200      200      200      200        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     7.2      2.4      0.6     89.3     93.8     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 08/04/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       21,907
COMMITMENTS
     822      530      130   20,361   20,587   21,313   21,247      594      660

CHANGES FROM 07/28/15 (CHANGE IN OPEN INTEREST:        200)
       0        0        0      200      200      200      200        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     3.8      2.4      0.6     92.9     94.0     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 08/04/15          |
--------------------------------------------------------------| 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 07/28/15 (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 08/04/15          |
--------------------------------------------------------------| 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 07/28/15 (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 08/04/15          |
--------------------------------------------------------------| 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 07/28/15 (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     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 08/04/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       24,470
COMMITMENTS
       0    5,090        0   24,335   19,295   24,335   24,385      135       85

CHANGES FROM 07/28/15 (CHANGE IN OPEN INTEREST:         75)
       0        0        0       90       80       90       80      -15       -5

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     0.0     20.8      0.0     99.4     78.9     99.4     99.7      0.6      0.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       0        1        0       15       14       15       15                  
 
 
PJM.WESTERN HUB_month_on_dap - NODAL EXCHANGE                        Code-064FHK
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/04/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       73,333
COMMITMENTS
   9,920      215      316   60,558   70,111   70,794   70,642    2,539    2,691

CHANGES FROM 07/28/15 (CHANGE IN OPEN INTEREST:        760)
    -300        0        0    1,060      760      760      760        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
    13.5      0.3      0.4     82.6     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 08/04/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       68,420
COMMITMENTS
  11,495        0        0   55,268   66,428   66,763   66,428    1,657    1,992

CHANGES FROM 07/28/15 (CHANGE IN OPEN INTEREST:        550)
    -300        0        0      825      525      525      525       25       25

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
    16.8      0.0      0.0     80.8     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 08/04/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       26,097
COMMITMENTS
   1,750    4,050      250   23,140   21,080   25,140   25,380      957      717

CHANGES FROM 07/28/15 (CHANGE IN OPEN INTEREST:        495)
       0        0        0      495      495      495      495        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     6.7     15.5      1.0     88.7     80.8     96.3     97.3      3.7      2.7

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 08/04/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       22,530
COMMITMENTS
     350      600      600   21,440   21,190   22,390   22,390      140      140

CHANGES FROM 07/28/15 (CHANGE IN OPEN INTEREST:        495)
       0        0        0      495      495      495      495        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     1.6      2.7      2.7     95.2     94.1     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 08/04/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       28,739
COMMITMENTS
   2,655    2,850      319   24,645   24,675   27,619   27,844    1,120      895

CHANGES FROM 07/28/15 (CHANGE IN OPEN INTEREST:        700)
       0        0        0      700      700      700      700        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     9.2      9.9      1.1     85.8     85.9     96.1     96.9      3.9      3.1

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 08/04/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       23,335
COMMITMENTS
     245      600      930   21,000   21,065   22,175   22,595    1,160      740

CHANGES FROM 07/28/15 (CHANGE IN OPEN INTEREST:        600)
       0        0        0      600      600      600      600        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER 
     1.0      2.6      4.0     90.0     90.3     95.0     96.8      5.0      3.2

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



Updated August 7, 2015