```
 
 
NATURAL GAS ICE HENRY HUB - ICE FUTURES ENERGY DIV                   Code-023391
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
2500 MMBtus                                          OPEN INTEREST:    6,415,532
COMMITMENTS
 1429472   76,617  2021855  2937018  4290120  6388345  6388592   27,187   26,940

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:    250,568)
  53,550    1,264  136,697   54,966  107,590  245,213  245,551    5,355    5,017

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    22.3      1.2     31.5     45.8     66.9     99.6     99.6      0.4      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      231)
      56       16       64      145      140      218      206
 
 
SOCAL BORDER FIN BASIS - ICE FUTURES ENERGY DIV                      Code-023393
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      286,759
COMMITMENTS
  42,476        0    6,056  219,048  271,757  267,580  277,813   19,179    8,946

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:      5,844)
   1,733   -1,381    1,564    1,853    5,246    5,150    5,429      694      415

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    14.8      0.0      2.1     76.4     94.8     93.3     96.9      6.7      3.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       45)
      10        0        7       31       29       41       36
 
 
PG&E CITYGATE FIN BASIS - ICE FUTURES ENERGY DIV                     Code-023394
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      186,822
COMMITMENTS
   5,150        0    3,702  174,428  180,947  183,280  184,649    3,542    2,173

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:      6,609)
  -1,584        0    2,353    5,384    4,651    6,153    7,004      456     -395

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     2.8      0.0      2.0     93.4     96.9     98.1     98.8      1.9      1.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
       4        0        3       34       30       38       33
 
 
NWP ROCKIES FIN BASIS - ICE FUTURES ENERGY DIV                       Code-023395
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      240,061
COMMITMENTS
  17,929    2,279    5,074  209,699  227,487  232,702  234,840    7,359    5,221

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:      4,192)
     -87     -842    1,750    3,015    3,930    4,678    4,838     -486     -646

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     7.5      0.9      2.1     87.4     94.8     96.9     97.8      3.1      2.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       42)
       4        3        5       26       29       33       34
 
 
AECO FIN BASIS - ICE FUTURES ENERGY DIV                              Code-023396
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      781,119
COMMITMENTS
   5,865    3,083    6,181  757,291  768,160  769,337  777,424   11,782    3,695

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:     17,376)
  -2,223    1,073     -388   19,648   16,229   17,037   16,914      339      462

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.8      0.4      0.8     96.9     98.3     98.5     99.5      1.5      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       58)
       4        1        6       48       36       54       42
 
 
CHICAGO FIN BASIS - ICE FUTURES ENERGY DIV                           Code-023397
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      226,954
COMMITMENTS
   6,874    4,804    2,697  209,628  209,640  219,199  217,141    7,755    9,813

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:     10,106)
  -1,897      600    1,052   10,654    8,593    9,809   10,245      297     -139

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     3.0      2.1      1.2     92.4     92.4     96.6     95.7      3.4      4.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       42)
       3        3        2       22       27       26       31
 
 
HSC FIN BASIS - ICE FUTURES ENERGY DIV                               Code-023398
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      222,354
COMMITMENTS
   6,229    6,090    4,770  206,531  207,829  217,530  218,689    4,824    3,665

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:      9,743)
   1,094      211    1,257    7,197    8,033    9,548    9,501      195      242

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     2.8      2.7      2.1     92.9     93.5     97.8     98.4      2.2      1.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       49)
       2        3        4       30       36       34       41
 
 
WAHA FIN BASIS - ICE FUTURES ENERGY DIV                              Code-023399
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      104,663
COMMITMENTS
  10,893    2,715    4,638   85,878   88,801  101,409   96,154    3,254    8,509

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:      3,033)
  -2,134      -31      590    5,182    3,460    3,638    4,019     -605     -986

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    10.4      2.6      4.4     82.1     84.8     96.9     91.9      3.1      8.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       36)
       4        2        3       18       21       22       26
 
 
PJM WH REAL TIME PEAK OTC - ICE FUTURES ENERGY DIV                   Code-064363
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 800 MWh)                               OPEN INTEREST:      170,119
COMMITMENTS
  32,115    3,299   16,175  121,062  149,853  169,352  169,327      767      792

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:      2,521)
   1,484      468     -322    1,361    2,353    2,523    2,499       -2       22

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    18.9      1.9      9.5     71.2     88.1     99.5     99.5      0.5      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       82)
      16        6       20       51       56       73       76
 
 
MID-C FINANCIAL PEAK OTC - ICE FUTURES ENERGY DIV                    Code-064391
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 400 MWh)                               OPEN INTEREST:       61,964
COMMITMENTS
   2,648      158      637   58,679   61,169   61,964   61,964        0        0

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:        228)
      81      132       -6      153      102      228      228        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     4.3      0.3      1.0     94.7     98.7    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
       4        2        4       24       30       30       34
 
 
MID-C FINANCIAL OFF-PEAK OTC - ICE FUTURES ENERGY DIV                Code-064392
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 25 MWh)                                OPEN INTEREST:      602,393
COMMITMENTS
  30,190        0    8,000  564,203  594,393  602,393  602,393        0        0

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:      1,974)
   3,810        0     -320   -1,516    2,294    1,974    1,974        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     5.0      0.0      1.3     93.7     98.7    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
       4        0        2       23       29       27       31
 
 
PJM WH OFF PEAK REAL TIME OTC - ICE FUTURES ENERGY DIV               Code-064394
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 50 Megawatt Hours)                     OPEN INTEREST:    1,588,311
COMMITMENTS
 268,013   43,222   49,941  1270357  1495148  1588311  1588311        0        0

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:     19,927)
  -6,936   -5,915    2,740   24,123   23,102   19,927   19,927        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    16.9      2.7      3.1     80.0     94.1    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       63)
       8        4        8       39       45       50       54
 
 
SP15 FIN DAYAHEAD LPM PEAK OTC - ICE FUTURES ENERGY DIV              Code-064395
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 400 Megawatt Hours)                    OPEN INTEREST:       62,867
COMMITMENTS
   1,499    1,238    4,252   57,116   57,377   62,867   62,867        0        0

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:     -4,323)
     165      227     -159   -4,329   -4,391   -4,323   -4,323        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     2.4      2.0      6.8     90.9     91.3    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       39)
       3        4        4       24       27       30       32
 
 
SP15 FIN DA LPM OFF PEAK OTC - ICE FUTURES ENERGY DIV                Code-064396
FUTURES ONLY POSITIONS AS OF 04/16/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 25 Megawatt Hours)                     OPEN INTEREST:      398,716
COMMITMENTS
  11,980        0   15,500  371,236  383,216  398,716  398,716        0        0

CHANGES FROM 04/09/13 (CHANGE IN OPEN INTEREST:    -17,958)
  -4,901     -631    3,579  -16,636  -20,906  -17,958  -17,958        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     3.0      0.0      3.9     93.1     96.1    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       3        0        3       15       18       18       21
```

----

Updated April 19, 2013