GULF # 6 FUEL 3.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE        Code-02165A
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        8,238
COMMITMENTS
   1,450        0       50    5,688    8,088    7,188    8,138    1,050      100

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -1,225)
    -325        0      -25   -1,025   -1,150   -1,375   -1,175      150      -50

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.6      0.0      0.6     69.0     98.2     87.3     98.8     12.7      1.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       1        0        1       17       20       18       21


NY RES FUEL 1.0% SULFUR SWAP - NEW YORK MERCANTILE EXCHANGE          Code-02165B
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       13,075
COMMITMENTS
     700    3,233        0   11,689    8,330   12,389   11,563      686    1,512

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -1,512)
     100     -958        0   -1,623     -503   -1,523   -1,461       11      -51

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.4     24.7      0.0     89.4     63.7     94.8     88.4      5.2     11.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
       2        3        0       24       27       26       30


SING FUEL OIL 180 CAL SWAP - NEW YORK MERCANTILE EXCHANGE            Code-02165G
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 METRIC TONS)                     OPEN INTEREST:        3,307
COMMITMENTS
       0       45        0    3,053    2,833    3,053    2,878      254      429

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:       -809)
       0       10      -40     -684     -794     -724     -824      -85       15

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      1.4      0.0     92.3     85.7     92.3     87.0      7.7     13.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       35)
       0        1        0       29       31       29       32


NO. 2 HEATING OIL, N.Y. HARBOR - NEW YORK MERCANTILE EXCHANGE        Code-022651
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:      218,340
COMMITMENTS
  28,685   24,930   19,367  136,061  145,673  184,113  189,970   34,227   28,370

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:    -14,869)
 -12,854    3,117   -7,832    4,501  -16,664  -16,185  -21,379    1,316    6,510

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.1     11.4      8.9     62.3     66.7     84.3     87.0     15.7     13.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      138)
      33       25       27       66       72      112      113


NATURAL GAS - NEW YORK MERCANTILE EXCHANGE                           Code-023651
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(10,000 MMBTU'S)                                     OPEN INTEREST:      798,615
COMMITMENTS
  82,516  148,928  279,074  371,559  335,133  733,149  763,135   65,466   35,480

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:    -11,298)
  -2,325   -8,194      468   -6,249   -4,059   -8,106  -11,785   -3,192      487

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.3     18.6     34.9     46.5     42.0     91.8     95.6      8.2      4.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      227)
      61       67       77       85       72      196      176


MICHCON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-02365A
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       83,304
COMMITMENTS
   1,642   15,132    2,109   72,351   58,917   76,102   76,158    7,202    7,146

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -2,052)
     158     -525     -138   -2,431   -1,985   -2,411   -2,648      359      596

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.0     18.2      2.5     86.9     70.7     91.4     91.4      8.6      8.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
       2        3        2       23       23       25       28


PERMIAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-02365B
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       70,417
COMMITMENTS
       0    5,436    1,873   62,735   54,240   64,608   61,549    5,809    8,868

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -6,653)
       0   -2,129     -471   -4,379   -3,513   -4,850   -6,113   -1,803     -540

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      7.7      2.7     89.1     77.0     91.8     87.4      8.2     12.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       0        2        2       28       20       30       22


M-3 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                        Code-02365C
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      129,600
COMMITMENTS
  14,674      307    6,309  101,105  117,228  122,088  123,844    7,512    5,756

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -3,579)
     429      307   -1,173   -3,031   -3,626   -3,775   -4,492      196      913

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    11.3      0.2      4.9     78.0     90.5     94.2     95.6      5.8      4.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       43)
       5        1        4       31       30       37       34


TCO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                        Code-02365D
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      100,868
COMMITMENTS
  12,922   10,087    4,299   72,375   80,142   89,596   94,528   11,272    6,340

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -2,604)
     531      966   -1,381   -1,633     -738   -2,483   -1,153     -121   -1,451

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.8     10.0      4.3     71.8     79.5     88.8     93.7     11.2      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       3        2        3       22       23       27       26


MALIN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-02365E
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       65,001
COMMITMENTS
  10,777        4    5,316   45,036   53,887   61,129   59,207    3,872    5,794

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -7,113)
   2,647      -68   -1,553   -7,970   -4,731   -6,876   -6,352     -237     -761

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.6      0.0      8.2     69.3     82.9     94.0     91.1      6.0      8.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       3        1        4       17       18       21       22


PG&E CITYGATE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE              Code-02365F
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       58,368
COMMITMENTS
   4,793        0    3,000   45,840   47,022   53,633   50,022    4,735    8,346

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -7,988)
  -2,697        0      943   -5,701  -11,386   -7,455  -10,443     -533    2,455

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.2      0.0      5.1     78.5     80.6     91.9     85.7      8.1     14.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       2        0        2       24       21       26       23


NGPL TEXOK BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                 Code-02365G
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       85,560
COMMITMENTS
   6,438    3,051    2,726   69,475   72,108   78,639   77,885    6,921    7,675

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -5,518)
    -162   -2,298      810   -6,776   -3,791   -6,128   -5,279      610     -239

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.5      3.6      3.2     81.2     84.3     91.9     91.0      8.1      9.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       41)
       2        3        4       27       31       32       35


NGPL MID-CON BASIS SWAP - NEW YORK MERCANTILE EXCHANGE               Code-02365K
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       98,586
COMMITMENTS
   5,302    2,399    3,857   73,499   81,413   82,658   87,669   15,928   10,917

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -3,666)
   1,927      -69     -962   -5,708   -2,897   -4,743   -3,928    1,077      262

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.4      2.4      3.9     74.6     82.6     83.8     88.9     16.2     11.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
       1        2        2       21       19       23       22


DEMARC BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                     Code-02365L
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       37,554
COMMITMENTS
   8,495    1,576    1,776   24,111   27,871   34,382   31,223    3,172    6,331

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -3,239)
    -260      -62      -30   -2,575   -2,971   -2,865   -3,063     -374     -176

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.6      4.2      4.7     64.2     74.2     91.6     83.1      8.4     16.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       3        1        3       16       13       20       16


VENTURA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-02365M
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       61,777
COMMITMENTS
   4,374    7,545    4,402   49,865   39,326   58,641   51,273    3,136   10,504

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -5,002)
  -2,682    1,368     -976      327   -4,543   -3,331   -4,151   -1,671     -851

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.1     12.2      7.1     80.7     63.7     94.9     83.0      5.1     17.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       2        2        4       16       15       20       19


DOMINION BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                   Code-02365N
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       82,622
COMMITMENTS
  15,762        0    1,840   58,547   76,942   76,149   78,782    6,473    3,840

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -1,063)
    -389        0      -66     -874    1,269   -1,329    1,203      266   -2,266

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    19.1      0.0      2.2     70.9     93.1     92.2     95.4      7.8      4.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       3        0        2       28       25       31       27


WAHA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                       Code-02365O
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      109,294
COMMITMENTS
   5,733    7,761    6,125   88,787   82,394  100,645   96,280    8,649   13,014

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -7,956)
  -2,517     -623      321   -6,181   -7,569   -8,377   -7,871      421      -85

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     5.2      7.1      5.6     81.2     75.4     92.1     88.1      7.9     11.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       42)
       3        2        3       29       28       33       32


CIG BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                        Code-02365P
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       52,831
COMMITMENTS
       0    1,850    1,980   41,717   38,960   43,697   42,790    9,134   10,041

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -4,669)
       0     -333        0   -3,698   -3,804   -3,698   -4,137     -971     -532

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      3.5      3.7     79.0     73.7     82.7     81.0     17.3     19.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       0        2        2       18       18       20       20


ALBERTA BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-035650
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      139,623
COMMITMENTS
   2,579   15,554   18,063  105,418   97,591  126,060  131,208   13,563    8,415

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:    -13,268)
  -1,807   -1,809   -1,798  -12,445  -11,089  -16,050  -14,696    2,782    1,428

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.8     11.1     12.9     75.5     69.9     90.3     94.0      9.7      6.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       43)
       2        5        6       35       30       41       37


CHICAGO BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-035651
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       86,776
COMMITMENTS
   1,154    3,930    3,427   75,744   69,729   80,325   77,086    6,451    9,690

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -6,695)
     -77       81      -59   -5,363   -7,866   -5,499   -7,844   -1,196    1,149

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.3      4.5      3.9     87.3     80.4     92.6     88.8      7.4     11.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       34)
       2        2        3       23       24       26       28


HENRY HUB BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                  Code-035652
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       56,997
COMMITMENTS
   8,644    4,148        0   47,226   48,867   55,870   53,015    1,127    3,982

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:    -10,168)
  -2,170   -1,240        0   -7,378   -8,053   -9,548   -9,293     -620     -875

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.2      7.3      0.0     82.9     85.7     98.0     93.0      2.0      7.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       2        1        0       15       16       17       17


HOUSTON SHIP CH BASIS SWAP - NEW YORK MERCANTILE EXCHANGE            Code-035653
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      260,592
COMMITMENTS
  16,083    1,321    5,431  232,569  243,917  254,083  250,669    6,509    9,923

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:    -18,946)
     818   -1,175     -180  -19,119  -16,783  -18,481  -18,138     -465     -808

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.2      0.5      2.1     89.2     93.6     97.5     96.2      2.5      3.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       61)
       4        2        5       46       48       51       54


NW PIPE ROCKIES BASIS SWAP - NEW YORK MERCANTILE EXCHANGE            Code-035654
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      182,160
COMMITMENTS
   6,212    3,425   13,122  151,019  160,915  170,353  177,462   11,807    4,698

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -7,803)
    -251   -2,455      183   -7,233   -5,071   -7,301   -7,343     -502     -460

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     3.4      1.9      7.2     82.9     88.3     93.5     97.4      6.5      2.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       48)
       2        3        5       40       36       45       42


PANHANDLE BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                  Code-035655
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      178,015
COMMITMENTS
   3,591   16,425    6,566  153,077  141,383  163,234  164,374   14,781   13,641

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -7,037)
   2,492    2,407   -4,231   -6,673   -6,821   -8,412   -8,645    1,375    1,608

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     2.0      9.2      3.7     86.0     79.4     91.7     92.3      8.3      7.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       49)
       2        4        4       38       34       42       40


SAN JUAN BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                   Code-035656
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       55,877
COMMITMENTS
       0      701    1,863   43,272   41,859   45,135   44,423   10,742   11,454

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -3,144)
       0      486     -498   -1,015   -2,232   -1,513   -2,244   -1,631     -900

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      1.3      3.3     77.4     74.9     80.8     79.5     19.2     20.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       0        1        1       21       16       22       17


SOCAL BASIS SWAP - NEW YORK MERCANTILE EXCHANGE                      Code-035657
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:      225,211
COMMITMENTS
  26,519    5,432   18,464  165,015  179,297  209,998  203,193   15,213   22,018

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:    -17,543)
    -768      665   -2,431  -13,823  -22,726  -17,022  -24,492     -521    6,949

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    11.8      2.4      8.2     73.3     79.6     93.2     90.2      6.8      9.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       51)
       7        2        8       40       40       49       48


TRANSCO ZONE 6 BASIS SWAP - NEW YORK MERCANTILE EXCHANGE             Code-035658
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:       65,169
COMMITMENTS
   2,630    5,455    5,050   50,328   45,057   58,008   55,562    7,161    9,607

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -5,437)
  -1,711       31     -447   -3,091   -7,102   -5,249   -7,518     -188    2,081

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.0      8.4      7.7     77.2     69.1     89.0     85.3     11.0     14.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
       3        4        4       19       23       24       29


HENRY HUB GAS SWAP - NEW YORK MERCANTILE EXCHANGE                    Code-03565B
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:    2,720,024
COMMITMENTS
 333,709  118,791  884,718  1471245  1697593  2689672  2701102   30,352   18,922

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     20,592)
 -12,899   -5,990   11,645   24,414   10,876   23,160   16,531   -2,568    4,061

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.3      4.4     32.5     54.1     62.4     98.9     99.3      1.1      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      152)
      28       18       43      102       93      147      139


HENRY HUB PENULTIMATE GAS SWAP - NEW YORK MERCANTILE EXCHANGE        Code-03565C
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2,500 MMBTU'S)                                      OPEN INTEREST:    1,011,130
COMMITMENTS
  68,001  199,981  252,980  687,073  556,326  1008054  1009287    3,076    1,843

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:      6,305)
  11,158    4,395   -3,578   -2,356    5,788    5,224    6,605    1,081     -300

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.7     19.8     25.0     68.0     55.0     99.7     99.8      0.3      0.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       86)
      20       21       37       44       42       81       83


PJM ELECTRICITY MONTHLY - NEW YORK MERCANTILE EXCHANGE               Code-064657
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:       38,403
COMMITMENTS
   3,635      682      538   33,062   36,478   37,235   37,698    1,168      705

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:       -261)
     159        0      -71      -84       39        4      -32     -265     -229

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.5      1.8      1.4     86.1     95.0     97.0     98.2      3.0      1.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       48)
       6        3        4       32       30       40       35


NYISO ZONE A LBMP SWAP - NEW YORK MERCANTILE EXCHANGE                Code-06465A
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS 0F 400 MEGAWATT HOURS)                    OPEN INTEREST:       17,591
COMMITMENTS
   1,438       46      489   15,577   16,931   17,504   17,466       87      125

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -1,237)
      21      -42     -126   -1,111   -1,048   -1,216   -1,216      -21      -21

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     8.2      0.3      2.8     88.6     96.2     99.5     99.3      0.5      0.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       2        1        2       14       21       16       24


ISO NEW ENGLAND LMP SWAP - NEW YORK MERCANTILE EXCHANGE              Code-06465H
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:       19,381
COMMITMENTS
   6,063      200      215   12,591   18,576   18,869   18,991      512      390

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:       -874)
       1     -140       -1     -855     -691     -855     -832      -19      -42

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    31.3      1.0      1.1     65.0     95.8     97.4     98.0      2.6      2.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       25)
       2        1        2       17       18       19       21


NORTH ILL CAL MONTH LMP SWAP - NEW YORK MERCANTILE EXCHANGE          Code-06465I
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(40 MEGAWATT HOURS PER PEAK DAY)                     OPEN INTEREST:       12,136
COMMITMENTS
     555      358       96   10,925   11,440   11,576   11,894      560      242

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:          0)
       0      -12        0      -12        0      -12      -12       12       12

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     4.6      2.9      0.8     90.0     94.3     95.4     98.0      4.6      2.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       1        2        3       16       14       19       17


PJM CAL MONTH OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE         Code-06465M
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2.5 MEGAWATTS PER OFF PEAK HRS)                     OPEN INTEREST:       29,106
COMMITMENTS
   1,008    1,250      212   26,310   26,902   27,530   28,364    1,576      742

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -1,265)
      47     -140      -47   -1,221   -1,100   -1,221   -1,287      -44       22

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     3.5      4.3      0.7     90.4     92.4     94.6     97.5      5.4      2.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       31)
       1        1        2       22       23       24       25


NORTH ILL OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE             Code-06465N
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2.5 MEGAWATTS PER OFF PEAK HRS)                     OPEN INTEREST:       26,376
COMMITMENTS
     332      456    1,260   23,810   23,812   25,402   25,528      974      848

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -1,348)
      92     -160     -172   -1,408   -1,216   -1,488   -1,548      140      200

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     1.3      1.7      4.8     90.3     90.3     96.3     96.8      3.7      3.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       2        1        2       19       17       21       20


ISO NEW ENG OFF PK LMP SWAP - NEW YORK MERCANTILE EXCHANGE           Code-06465S
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(2.5 MEGAWATTS PER OFF PEAK HRS)                     OPEN INTEREST:       10,196
COMMITMENTS
   1,220      370      560    7,841    8,732    9,621    9,662      575      534

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:       -512)
      20     -130      -20     -445     -340     -445     -490      -67      -22

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.0      3.6      5.5     76.9     85.6     94.4     94.8      5.6      5.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       21)
       2        1        2       14       13       17       15


CRUDE OIL, LIGHT SWEET - NEW YORK MERCANTILE EXCHANGE                Code-067651
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:    1,504,817
COMMITMENTS
 233,568  124,646  292,328  893,870  1014069  1419766  1431043   85,051   73,774

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:    -16,420)
 -32,951  -12,258    9,053   -1,775   -3,388  -25,673   -6,593    9,253   -9,827

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.5      8.3     19.4     59.4     67.4     94.3     95.1      5.7      4.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      318)
     100       93      131       81       98      263      262


WTI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE           Code-06765A
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       93,803
COMMITMENTS
  19,879   16,035    3,301   49,363   44,258   72,543   63,594   21,260   30,209

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:        281)
     435   -1,260      517      346    3,828    1,298    3,085   -1,017   -2,804

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.2     17.1      3.5     52.6     47.2     77.3     67.8     22.7     32.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       24)
       2        4        4       18       16       23       21


DUBAI CRUDE OIL CALENDAR SWAP - NEW YORK MERCANTILE EXCHANGE         Code-06765G
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        9,608
COMMITMENTS
       0      350        0    9,608    9,258    9,608    9,608        0        0

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -1,781)
       0      100        0   -1,781   -1,881   -1,781   -1,781        0        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     0.0      3.6      0.0    100.0     96.4    100.0    100.0      0.0      0.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       27)
       0        2        0       21       22       21       24


WTI CRUDE OIL FINANCIAL - NEW YORK MERCANTILE EXCHANGE               Code-06765I
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:       88,020
COMMITMENTS
   6,619   22,385   21,922   53,355   35,593   81,896   79,900    6,124    8,120

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:      1,802)
    -237      596    1,157      688     -533    1,608    1,220      194      582

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.5     25.4     24.9     60.6     40.4     93.0     90.8      7.0      9.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
       6       12       15       19       17       35       35


PALLADIUM - NEW YORK MERCANTILE EXCHANGE                             Code-075651
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:       18,920
COMMITMENTS
  12,744    1,440      257    3,574   16,816   16,575   18,513    2,345      407

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:        297)
    -120      -23       74      391      189      345      240      -48       57

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    67.4      7.6      1.4     18.9     88.9     87.6     97.8     12.4      2.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      114)
      63       12        5       14       25       81       40


PLATINUM - NEW YORK MERCANTILE EXCHANGE                              Code-076651
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 50 TROY OUNCES)                        OPEN INTEREST:       14,573
COMMITMENTS
   8,946      994        0    2,530   12,766   11,476   13,760    3,097      813

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:       -200)
     -91      116        0     -238     -373     -329     -257      129       57

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    61.4      6.8      0.0     17.4     87.6     78.7     94.4     21.3      5.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       74)
      36        6        0        8       24       44       30


GASOLINE BLENDSTOCK (RBOB) - NEW YORK MERCANTILE EXCHANGE            Code-111659
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 42,000 U.S. GALLONS)                   OPEN INTEREST:      186,045
COMMITMENTS
  45,979   13,823   14,473  110,885  144,242  171,337  172,538   14,708   13,507

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:       -510)
  -2,548    2,422      988      261   -5,227   -1,299   -1,817      789    1,307

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.7      7.4      7.8     59.6     77.5     92.1     92.7      7.9      7.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      178)
      58       27       32       73       81      146      126


SING JET KERO GASOIL SPR SWAP - NEW YORK MERCANTILE EXCHANGE         Code-86465C
FUTURES ONLY POSITIONS AS OF08/07/07                          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 1,000 BARRELS)                         OPEN INTEREST:        3,625
COMMITMENTS
     350        0        0    3,275    3,525    3,625    3,525        0      100

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:       -550)
       0      -50        0     -550     -600     -550     -650        0      100

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.7      0.0      0.0     90.3     97.2    100.0     97.2      0.0      2.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       23)
       2        0        0       12       17       14       17


Updated Jun 20, 2011