SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/05/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      145,645
COMMITMENTS
  35,736   10,617   44,619   30,087   77,992  110,442  133,229   35,203   12,417

CHANGES FROM 08/29/06 (CHANGE IN OPEN INTEREST:        707)
   1,865    1,587   -1,436     -142    1,402      287    1,553      420     -845

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.5      7.3     30.6     20.7     53.5     75.8     91.5     24.2      8.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      156)
      86       26       47       25       33      132       90
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/05/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       70,659
COMMITMENTS
   9,381   18,342    6,283   44,933   34,663   60,597   59,288   10,063   11,371

CHANGES FROM 08/29/06 (CHANGE IN OPEN INTEREST:        137)
   1,225   -1,302     -667     -394    1,368      164     -600      -27      738

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    13.3     26.0      8.9     63.6     49.1     85.8     83.9     14.2     16.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      123)
      27       41       23       40       29       88       82
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/05/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      420,442
COMMITMENTS
 129,699   33,741  122,632  105,462  239,274  357,793  395,647   62,650   24,795

CHANGES FROM 08/29/06 (CHANGE IN OPEN INTEREST:     29,607)
   9,071   -2,828   10,977      637   16,871   20,685   25,019    8,922    4,588

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.8      8.0     29.2     25.1     56.9     85.1     94.1     14.9      5.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      268)
     152       60       87       41       43      233      152
 

Updated September 8, 2006