SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/01/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      133,573
COMMITMENTS
  28,659    8,406   44,508   28,660   70,617  101,827  123,531   31,746   10,042

CHANGES FROM 07/25/06 (CHANGE IN OPEN INTEREST:        632)
   1,680      643      101   -1,962    1,084     -181    1,828      814   -1,196

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.5      6.3     33.3     21.5     52.9     76.2     92.5     23.8      7.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      153)
      83       30       55       23       31      131       97
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/01/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       73,081
COMMITMENTS
   8,683   15,127    9,633   44,337   37,639   62,652   62,398   10,429   10,683

CHANGES FROM 07/25/06 (CHANGE IN OPEN INTEREST:     -1,981)
     243      815   -1,404   -1,405   -1,165   -2,566   -1,754      585     -227

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    11.9     20.7     13.2     60.7     51.5     85.7     85.4     14.3     14.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      130)
      27       41       35       39       27       98       90
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/01/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      394,609
COMMITMENTS
 131,525   29,149  112,236   90,054  232,876  333,815  374,260   60,795   20,350

CHANGES FROM 07/25/06 (CHANGE IN OPEN INTEREST:    -37,803)
   2,697      518  -26,554  -14,593  -14,851  -38,450  -40,886      647    3,083

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    33.3      7.4     28.4     22.8     59.0     84.6     94.8     15.4      5.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      240)
     147       43       82       37       42      215      137
 

Updated August 4, 2006