MISO.INDIANA.HUB_month_on_dap - NODAL EXCHANGE                       Code-064BFI
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       20,802
COMMITMENTS
   1,297      570        0   18,940   19,612   20,237   20,182      565      620

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:        600)
       0        0        0      600      600      600      600        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.2      2.7      0.0     91.0     94.3     97.3     97.0      2.7      3.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       1        1        0       12       14       13       15
 
 
MISO.INDIANA.HUB_month_off_dap - NODAL EXCHANGE                      Code-064BFJ
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       18,543
COMMITMENTS
   1,268      570        0   16,546   17,433   17,814   18,003      729      540

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:        900)
       0        0        0      600      900      600      900      300        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.8      3.1      0.0     89.2     94.0     96.1     97.1      3.9      2.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       1        1        0       10       16       11       17
 
 
PJM.AEP-DAYTON HUB_month_on_dap - NODAL EXCHANGE                     Code-064DLW
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       61,339
COMMITMENTS
     855        0      150   58,071   59,030   59,076   59,180    2,263    2,159

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:        450)
     480        0        0     -300      350      180      350      270      100

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.4      0.0      0.2     94.7     96.2     96.3     96.5      3.7      3.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       2        0        1       16       22       18       23
 
 
PJM.AEP-DAYTON HUB_month_off_dap - NODAL EXCHANGE                    Code-064DLX
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       56,827
COMMITMENTS
     855        0      150   53,972   54,069   54,977   54,219    1,850    2,608

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:        550)
     480        0        0        5      550      485      550       65        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.5      0.0      0.3     95.0     95.1     96.7     95.4      3.3      4.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       2        0        1       16       18       18       19
 
 
PJM.BGE_month_on_dap - NODAL EXCHANGE                                Code-064DPQ
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       11,850
COMMITMENTS
     900        0        0   10,510   11,730   11,410   11,730      440      120

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.6      0.0      0.0     88.7     99.0     96.3     99.0      3.7      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       2        0        0       14        8       16        8
 
 
PJM.JCPL_month_on_dap - NODAL EXCHANGE                               Code-064EJI
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:        9,575
COMMITMENTS
       0      290        0    9,455    9,235    9,455    9,525      120       50

CHANGES FROM 04/21/15 (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      3.0      0.0     98.7     96.4     98.7     99.5      1.3      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       0        1        0       12       13       12       14
 
 
PJM.PEPCO_month_on_dap - NODAL EXCHANGE                              Code-064EVG
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       11,969
COMMITMENTS
       0    1,185      314   11,270   10,240   11,584   11,739      385      230

CHANGES FROM 04/21/15 (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      9.9      2.6     94.2     85.6     96.8     98.1      3.2      1.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       0        2        1       14       12       15       14
 
 
PJM.PSEG_month_on_dap - NODAL EXCHANGE                               Code-064EXE
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       27,176
COMMITMENTS
       0    5,665        0   26,986   21,346   26,986   27,011      190      165

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:        -10)
       0        0        0        0        0        0        0      -10      -10

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0     20.8      0.0     99.3     78.5     99.3     99.4      0.7      0.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       0        1        0       17       13       17       14
 
 
PJM.PSEG_month_off_dap - NODAL EXCHANGE                              Code-064EXF
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       26,200
COMMITMENTS
       0    5,040        0   26,050   21,045   26,050   26,085      150      115

CHANGES FROM 04/21/15 (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     19.2      0.0     99.4     80.3     99.4     99.6      0.6      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       0        1        0       16       10       16       11
 
 
PJM.WESTERN HUB_month_on_dap - NODAL EXCHANGE                        Code-064FHK
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       71,814
COMMITMENTS
  11,726      230      795   56,188   67,694   68,709   68,719    3,105    3,095

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:        745)
       0        0        0      585      595      585      595      160      150

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.3      0.3      1.1     78.2     94.3     95.7     95.7      4.3      4.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
       2        1        3       24       24       27       27
 
 
PJM.WESTERN HUB_month_off_dap - NODAL EXCHANGE                       Code-064FHL
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       66,890
COMMITMENTS
  15,324        0        0   49,815   64,965   65,139   64,965    1,751    1,925

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:        795)
       0        0        0      645      645      645      645      150      150

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.9      0.0      0.0     74.5     97.1     97.4     97.1      2.6      2.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       2        0        0       22       25       24       25
 
 
PJM.AEP-DAYTON HUB_month_on_rtp - NODAL EXCHANGE                     Code-064FKA
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       28,528
COMMITMENTS
   2,925    4,500      100   23,825   22,870   26,850   27,470    1,678    1,058

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:         50)
       0        0        0       50       50       50       50        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.3     15.8      0.4     83.5     80.2     94.1     96.3      5.9      3.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       2        1        1       17       19       19       21
 
 
PJM.AEP-DAYTON HUB_month_off_rtp - NODAL EXCHANGE                    Code-064FKB
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       24,340
COMMITMENTS
     800       50      600   22,390   23,505   23,790   24,155      550      185

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:         50)
       0        0        0       50       50       50       50        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     3.3      0.2      2.5     92.0     96.6     97.7     99.2      2.3      0.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       2        1        1       21       15       23       17
 
 
PJM.N ILLINOIS HUB_month_on_rtp - NODAL EXCHANGE                     Code-064FKC
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       20,545
COMMITMENTS
  11,475    2,775      300    8,355   17,190   20,130   20,265      415      280

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    55.9     13.5      1.5     40.7     83.7     98.0     98.6      2.0      1.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       2        1        1       11       10       14       11
 
 
PJM.N ILLINOIS HUB_month_off_rtp - NODAL EXCHANGE                    Code-064FKD
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       10,945
COMMITMENTS
   1,200      225        0    9,160   10,330   10,360   10,555      585      390

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:         45)
       0        0        0       45       45       45       45        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    11.0      2.1      0.0     83.7     94.4     94.7     96.4      5.3      3.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        1        0       13       11       14       12
 
 
PJM.WESTERN HUB_month_on_rtp - NODAL EXCHANGE                        Code-064FKE
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       28,286
COMMITMENTS
   3,940    4,175      106   22,925   23,035   26,971   27,316    1,315      970

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:      1,740)
       0        0        0    1,740    1,740    1,740    1,740        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.9     14.8      0.4     81.0     81.4     95.4     96.6      4.6      3.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
       3        2        2       21       21       25       24
 
 
PJM.WESTERN HUB_month_off_rtp - NODAL EXCHANGE                       Code-064FKF
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/28/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       21,560
COMMITMENTS
     125    1,380      735   19,535   18,670   20,395   20,785    1,165      775

CHANGES FROM 04/21/15 (CHANGE IN OPEN INTEREST:         90)
       0       40        0       90       50       90       90        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.6      6.4      3.4     90.6     86.6     94.6     96.4      5.4      3.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       1        2        3       19       17       22       20



Updated May 1, 2015