SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/28/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      135,059
COMMITMENTS
  25,942   14,944   37,258   40,106   69,623  103,306  121,824   31,753   13,235

CHANGES FROM 08/21/07 (CHANGE IN OPEN INTEREST:    -15,120)
  -4,161      868   -6,765   -4,688   -8,467  -15,614  -14,364      494     -756

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    19.2     11.1     27.6     29.7     51.5     76.5     90.2     23.5      9.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      156)
      64       45       54       33       34      125      110
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/28/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       73,334
COMMITMENTS
  11,272   17,764    4,558   48,963   37,441   64,793   59,764    8,541   13,570

CHANGES FROM 08/21/07 (CHANGE IN OPEN INTEREST:     -3,601)
  -1,042   -1,655   -1,179     -998     -944   -3,219   -3,778     -382      177

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    15.4     24.2      6.2     66.8     51.1     88.4     81.5     11.6     18.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      129)
      21       48       24       41       37       82       96
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/28/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      407,664
COMMITMENTS
 105,209   24,359  126,809  128,991  234,549  361,009  385,717   46,655   21,948

CHANGES FROM 08/21/07 (CHANGE IN OPEN INTEREST:    -10,993)
   4,095   -7,330   -6,593   -6,343    3,551   -8,841  -10,372   -2,151     -621

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.8      6.0     31.1     31.6     57.5     88.6     94.6     11.4      5.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      263)
     150       54       87       40       40      222      154
 

Updated August 31, 2007