MISO.INDIANA.HUB_month_on_dap - NODAL EXCHANGE                       Code-064BFI
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       21,401
COMMITMENTS
   1,975      540      130   18,505   19,875   20,610   20,545      791      856

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:        576)
       0        0        0      240      240      240      240      336      336

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     9.2      2.5      0.6     86.5     92.9     96.3     96.0      3.7      4.0

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
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       19,361
COMMITMENTS
   1,116      610      175   17,336   17,746   18,627   18,531      734      830

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:        600)
       0        0        0      250      250      250      250      350      350

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     5.8      3.2      0.9     89.5     91.7     96.2     95.7      3.8      4.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        2        1       10       14       12       16
 
 
PJM.AEP-DAYTON HUB_month_on_dap - NODAL EXCHANGE                     Code-064DLW
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       61,030
COMMITMENTS
     840       50      145   58,316   58,876   59,301   59,071    1,729    1,959

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:      1,800)
       0        0        0    1,800    1,800    1,800    1,800        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     1.4      0.1      0.2     95.6     96.5     97.2     96.8      2.8      3.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       2        1        1       16       21       18       23
 
 
PJM.AEP-DAYTON HUB_month_off_dap - NODAL EXCHANGE                    Code-064DLX
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       56,787
COMMITMENTS
     840        0      145   54,362   54,255   55,347   54,400    1,440    2,387

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:      1,800)
       0        0        0    1,800    1,800    1,800    1,800        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     1.5      0.0      0.3     95.7     95.5     97.5     95.8      2.5      4.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       2        0        1       16       19       18       20
 
 
PJM.BGE_month_on_dap - NODAL EXCHANGE                                Code-064DPQ
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       11,225
COMMITMENTS
     750        0        0   10,145   11,105   10,895   11,105      330      120

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:        150)
       0        0        0      150      150      150      150        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     6.7      0.0      0.0     90.4     98.9     97.1     98.9      2.9      1.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       22)
       2        0        0       14        9       16        9
 
 
PJM.JCPL_month_on_dap - NODAL EXCHANGE                               Code-064EJI
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:        9,210
COMMITMENTS
       0      340        0    9,090    8,870    9,090    9,210      120        0

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.0      3.7      0.0     98.7     96.3     98.7    100.0      1.3      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       0        1        0       12       14       12       15
 
 
PJM.PECO_month_on_dap - NODAL EXCHANGE                               Code-064EUY
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       13,545
COMMITMENTS
      50    2,110       50   13,100   11,130   13,200   13,290      345      255

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.4     15.6      0.4     96.7     82.2     97.5     98.1      2.5      1.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        2        1       15        8       16       11
 
 
PJM.PEPCO_month_on_dap - NODAL EXCHANGE                              Code-064EVG
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       11,360
COMMITMENTS
       0    1,335      305   10,745    9,500   11,050   11,140      310      220

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:        100)
       0      100        0      100        0      100      100        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.0     11.8      2.7     94.6     83.6     97.3     98.1      2.7      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
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       25,938
COMMITMENTS
     100    5,555        0   25,653   20,243   25,753   25,798      185      140

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.4     21.4      0.0     98.9     78.0     99.3     99.5      0.7      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       1        1        0       14       13       15       14
 
 
PJM.PSEG_month_off_dap - NODAL EXCHANGE                              Code-064EXF
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       25,080
COMMITMENTS
       0    4,980        0   24,945   19,995   24,945   24,975      135      105

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:         50)
       0        0        0       50       50       50       50        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.0     19.9      0.0     99.5     79.7     99.5     99.6      0.5      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       0        1        0       15       10       15       11
 
 
PJM.WESTERN HUB_month_on_dap - NODAL EXCHANGE                        Code-064FHK
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       71,274
COMMITMENTS
  13,428      230      593   54,293   67,491   68,314   68,314    2,960    2,960

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:        770)
     100        0        0      670      770      770      770        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    18.8      0.3      0.8     76.2     94.7     95.8     95.8      4.2      4.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
       4        1        4       24       22       29       26
 
 
PJM.WESTERN HUB_month_off_dap - NODAL EXCHANGE                       Code-064FHL
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       66,035
COMMITMENTS
  15,857        0        0   48,330   64,010   64,187   64,010    1,848    2,025

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:        140)
       0        0        0      -35      -35      -35      -35      175      175

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    24.0      0.0      0.0     73.2     96.9     97.2     96.9      2.8      3.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       3        0        0       22       24       25       24
 
 
PJM.AEP-DAYTON HUB_month_on_rtp - NODAL EXCHANGE                     Code-064FKA
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       28,141
COMMITMENTS
   2,800    4,475        0   24,230   22,730   27,030   27,205    1,111      936

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     9.9     15.9      0.0     86.1     80.8     96.1     96.7      3.9      3.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       2        2        0       20       18       22       20
 
 
PJM.AEP-DAYTON HUB_month_off_rtp - NODAL EXCHANGE                    Code-064FKB
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       24,050
COMMITMENTS
     600        0      600   22,760   23,280   23,960   23,880       90      170

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     2.5      0.0      2.5     94.6     96.8     99.6     99.3      0.4      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       2        0        1       22       15       24       16
 
 
PJM.N ILLINOIS HUB_month_off_rtp - NODAL EXCHANGE                    Code-064FKD
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       10,075
COMMITMENTS
   1,200      200        0    8,335    9,525    9,535    9,725      540      350

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:          0)
       0        0        0        0        0        0        0        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    11.9      2.0      0.0     82.7     94.5     94.6     96.5      5.4      3.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       20)
       1        1        0       12       10       13       11
 
 
PJM.WESTERN HUB_month_on_rtp - NODAL EXCHANGE                        Code-064FKE
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       28,489
COMMITMENTS
   3,270    4,000       89   23,920   23,325   27,279   27,414    1,210    1,075

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:         -9)
    -490        0       86      435     -250       31     -164      -40      155

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    11.5     14.0      0.3     84.0     81.9     95.8     96.2      4.2      3.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       4        2        1       19       20       23       23
 
 
PJM.WESTERN HUB_month_off_rtp - NODAL EXCHANGE                       Code-064FKF
FUTURES ONLY POSITIONS AS OF 05/19/15                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
Megawatt Hours (MWh)                                 OPEN INTEREST:       20,585
COMMITMENTS
     150    1,370      660   18,780   17,880   19,590   19,910      995      675

CHANGES FROM 05/12/15 (CHANGE IN OPEN INTEREST:        250)
       0        0        0      260      225      260      225      -10       25

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.7      6.7      3.2     91.2     86.9     95.2     96.7      4.8      3.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       1        2        2       17       17       19       20



Updated May 22, 2015