```
 
 
NATURAL GAS ICE HENRY HUB - ICE OTC                                  Code-023391
FUTURES ONLY POSITIONS AS OF 08/17/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:    4,047,828
COMMITMENTS
 290,804  129,253  1381889  2344814  2515167  4017507  4026309   30,321   21,519

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:     29,989)
  25,622   34,710  -32,353   39,413   29,927   32,682   32,284   -2,693   -2,295

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     7.2      3.2     34.1     57.9     62.1     99.3     99.5      0.7      0.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      226)
      41       39       72      139      127      216      202
 
 
SOCAL BORDER FIN BASIS - ICE OTC                                     Code-023393
FUTURES ONLY POSITIONS AS OF 08/17/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      333,798
COMMITMENTS
  45,593   15,757   13,615  266,907  300,077  326,115  329,449    7,683    4,349

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    13.7      4.7      4.1     80.0     89.9     97.7     98.7      2.3      1.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       60)
       8        7       13       38       40       51       55
 
 
PG&E CITYGATE FIN BASIS - ICE OTC                                    Code-023394
FUTURES ONLY POSITIONS AS OF 08/17/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      206,898
COMMITMENTS
   9,327    7,979    5,166  189,780  188,607  204,273  201,752    2,625    5,146

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     4.5      3.9      2.5     91.7     91.2     98.7     97.5      1.3      2.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       51)
       6        5        6       34       35       44       42
 
 
NWP ROCKIES FIN BASIS - ICE OTC                                      Code-023395
FUTURES ONLY POSITIONS AS OF 08/17/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      385,221
COMMITMENTS
  25,114      646    4,697  347,487  374,175  377,298  379,518    7,923    5,703

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     6.5      0.2      1.2     90.2     97.1     97.9     98.5      2.1      1.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       46)
       4        2        4       38       28       44       32
 
 
AECO FIN BASIS - ICE OTC                                             Code-023396
FUTURES ONLY POSITIONS AS OF 08/17/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      570,301
COMMITMENTS
       0   57,682   38,626  526,966  471,608  565,592  567,916    4,709    2,385

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     0.0     10.1      6.8     92.4     82.7     99.2     99.6      0.8      0.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       68)
       0       10        9       53       47       62       57
 
 
CHICAGO FIN BASIS - ICE OTC                                          Code-023397
FUTURES ONLY POSITIONS AS OF 08/17/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      190,194
COMMITMENTS
  27,060      663    5,520  149,941  176,625  182,521  182,808    7,673    7,386

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    14.2      0.3      2.9     78.8     92.9     96.0     96.1      4.0      3.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       44)
       7        1        5       30       27       38       32
 
 
HSC FIN BASIS - ICE OTC                                              Code-023398
FUTURES ONLY POSITIONS AS OF 08/17/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      371,355
COMMITMENTS
  14,221   60,395   30,004  319,926  272,421  364,151  362,820    7,204    8,535

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     3.8     16.3      8.1     86.2     73.4     98.1     97.7      1.9      2.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       63)
       5        6        8       46       41       55       51
 
 
WAHA FIN BASIS - ICE OTC                                             Code-023399
FUTURES ONLY POSITIONS AS OF 08/17/10                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(Contracts of 2,500  MMBTU'S)                        OPEN INTEREST:      157,458
COMMITMENTS
  16,037   26,263    7,493  129,826  119,476  153,356  153,232    4,102    4,226

CHANGES FROM 08/10/10 (CHANGE IN OPEN INTEREST:          .)
       .        .        .        .        .        .        .        .        .

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    10.2     16.7      4.8     82.5     75.9     97.4     97.3      2.6      2.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       49)
       6        3        5       35       31       42       38
```

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Updated August 20, 2010