SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/29/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      172,672
COMMITMENTS
  43,484    8,614   49,568   47,414  104,284  140,466  162,465   32,206   10,207

CHANGES FROM 07/22/08 (CHANGE IN OPEN INTEREST:    -10,802)
  -7,966     -543   -2,252    2,834   -6,531   -7,384   -9,326   -3,418   -1,477

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.2      5.0     28.7     27.5     60.4     81.3     94.1     18.7      5.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      160)
      80       33       53       36       34      143       95
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/29/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      108,663
COMMITMENTS
  18,022   20,428   22,130   57,561   51,529   97,714   94,087   10,950   14,576

CHANGES FROM 07/22/08 (CHANGE IN OPEN INTEREST:     -2,716)
  -2,354      936       87      250   -4,442   -2,017   -3,419     -698      703

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.6     18.8     20.4     53.0     47.4     89.9     86.6     10.1     13.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      171)
      39       58       55       35       39      113      134
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/29/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      557,468
COMMITMENTS
 213,190   24,836  131,904  152,491  381,446  497,586  538,187   59,882   19,281

CHANGES FROM 07/22/08 (CHANGE IN OPEN INTEREST:    -70,108)
 -24,071   -2,790  -19,321  -14,457  -41,134  -57,849  -63,245  -12,258   -6,863

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    38.2      4.5     23.7     27.4     68.4     89.3     96.5     10.7      3.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      289)
     164       64       84       38       46      244      157
 

Updated August 1, 2008