MISO.INDIANA.HUB_month_on_dap - NODAL EXCHANGE                       Code-064BFI
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       20,964
COMMITMENTS
   1,549      600        0   18,740   19,644   20,289   20,244      675      720

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.4      2.9      0.0     89.4     93.7     96.8     96.6      3.2      3.4

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 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       18,140
COMMITMENTS
   1,520      600        0   16,146   16,940   17,666   17,540      474      600

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.4      3.3      0.0     89.0     93.4     97.4     96.7      2.6      3.3

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 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       63,476
COMMITMENTS
     370        0      155   60,756   61,062   61,281   61,217    2,195    2,259

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:      2,400)
       0        0        0    2,400    2,400    2,400    2,400        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.6      0.0      0.2     95.7     96.2     96.5     96.4      3.5      3.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       1        0        1       16       22       17       23
 
 
PJM.AEP-DAYTON HUB_month_off_dap - NODAL EXCHANGE                    Code-064DLX
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       58,522
COMMITMENTS
     370        0      155   56,027   55,546   56,552   55,701    1,970    2,821

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:      2,750)
       0        0        0    2,750    2,750    2,750    2,750        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.6      0.0      0.3     95.7     94.9     96.6     95.2      3.4      4.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       1        0        1       16       18       17       19
 
 
PJM.BGE_month_on_dap - NODAL EXCHANGE                                Code-064DPQ
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       12,465
COMMITMENTS
   1,200        0        0   10,790   12,345   11,990   12,345      475      120

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.6      0.0      0.0     86.6     99.0     96.2     99.0      3.8      1.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       2        0        0       14        8       16        8
 
 
PJM.PEPCO_month_on_dap - NODAL EXCHANGE                              Code-064EVG
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       11,958
COMMITMENTS
       0    1,010      323   11,240   10,385   11,563   11,718      395      240

CHANGES FROM 03/24/15 (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      8.4      2.7     94.0     86.8     96.7     98.0      3.3      2.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       0        2        1       14       11       15       13
 
 
PJM.PEPCO_month_off_dap - NODAL EXCHANGE                             Code-064EVH
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       11,715
COMMITMENTS
       0    3,270        0   11,320    8,235   11,320   11,505      395      210

CHANGES FROM 03/24/15 (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     27.9      0.0     96.6     70.3     96.6     98.2      3.4      1.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       0        2        0       14        9       14       11
 
 
PJM.PSEG_month_on_dap - NODAL EXCHANGE                               Code-064EXE
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       28,626
COMMITMENTS
     350    5,475      190   27,911   22,836   28,451   28,501      175      125

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:          0)
       0      -25        0        0       25        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.2     19.1      0.7     97.5     79.8     99.4     99.6      0.6      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       1        1        1       18       14       20       15
 
 
PJM.PSEG_month_off_dap - NODAL EXCHANGE                              Code-064EXF
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       27,155
COMMITMENTS
      50    5,100        0   26,940   21,930   26,990   27,030      165      125

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:         70)
       0        0        0       70       70       70       70        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.2     18.8      0.0     99.2     80.8     99.4     99.5      0.6      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       1        1        0       17       10       18       11
 
 
PJM.WESTERN HUB_month_on_dap - NODAL EXCHANGE                        Code-064FHK
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       71,959
COMMITMENTS
  11,147      580    1,074   56,553   67,110   68,774   68,764    3,185    3,195

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:         25)
     -25        0       25       25        0       25       25        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.5      0.8      1.5     78.6     93.3     95.6     95.6      4.4      4.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       2        1        3       25       24       28       27
 
 
PJM.WESTERN HUB_month_off_dap - NODAL EXCHANGE                       Code-064FHL
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       66,223
COMMITMENTS
  15,891      230        0   48,653   64,323   64,544   64,553    1,679    1,670

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:        100)
       0        0        0      100      100      100      100        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.0      0.3      0.0     73.5     97.1     97.5     97.5      2.5      2.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       2        1        0       20       25       22       26
 
 
PJM.AEP-DAYTON HUB_month_on_rtp - NODAL EXCHANGE                     Code-064FKA
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       29,155
COMMITMENTS
   3,150    4,625      100   24,100   23,250   27,350   27,975    1,805    1,180

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:          0)
    -100        0      100        0     -100        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.8     15.9      0.3     82.7     79.7     93.8     96.0      6.2      4.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       2        1        1       16       18       18       20
 
 
PJM.AEP-DAYTON HUB_month_off_rtp - NODAL EXCHANGE                    Code-064FKB
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       25,010
COMMITMENTS
   1,000       50      600   22,840   24,160   24,440   24,810      570      200

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:        185)
       0       50        0      185      135      185      185        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.0      0.2      2.4     91.3     96.6     97.7     99.2      2.3      0.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       2        1        1       20       15       22       17
 
 
PJM.WESTERN HUB_month_on_rtp - NODAL EXCHANGE                        Code-064FKE
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       27,669
COMMITMENTS
   4,310    4,450      109   21,870   22,090   26,289   26,649    1,380    1,020

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:        650)
       0     -100      100      550      650      650      650        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.6     16.1      0.4     79.0     79.8     95.0     96.3      5.0      3.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
       3        2        2       19       19       23       22
 
 
PJM.WESTERN HUB_month_off_rtp - NODAL EXCHANGE                       Code-064FKF
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/31/15          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       21,515
COMMITMENTS
     100    1,400      760   19,330   18,455   20,190   20,615    1,325      900

CHANGES FROM 03/24/15 (CHANGE IN OPEN INTEREST:        350)
       0      -50       50      300      400      350      400        0      -50

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.5      6.5      3.5     89.8     85.8     93.8     95.8      6.2      4.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       1        2        3       19       18       22       21



Updated April 3, 2015