SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/21/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      150,179
COMMITMENTS
  30,103   14,075   44,023   44,794   78,090  118,920  136,188   31,259   13,991

CHANGES FROM 08/14/07 (CHANGE IN OPEN INTEREST:      2,134)
  -4,998    4,506    5,475    4,982   -8,408    5,459    1,574   -3,325      560

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.0      9.4     29.3     29.8     52.0     79.2     90.7     20.8      9.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      177)
      82       47       66       33       38      149      121
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/21/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       76,935
COMMITMENTS
  12,314   19,419    5,737   49,961   38,386   68,012   63,542    8,923   13,393

CHANGES FROM 08/14/07 (CHANGE IN OPEN INTEREST:        524)
  -1,656     -501      716    2,579      160    1,639      375   -1,115      149

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.0     25.2      7.5     64.9     49.9     88.4     82.6     11.6     17.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      133)
      23       48       23       44       41       82      103
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/21/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      418,657
COMMITMENTS
 101,114   31,689  133,402  135,334  230,997  369,850  396,088   48,806   22,568

CHANGES FROM 08/14/07 (CHANGE IN OPEN INTEREST:     -9,961)
 -19,467    9,125   -1,213   15,739  -21,899   -4,942  -13,987   -5,019    4,026

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.2      7.6     31.9     32.3     55.2     88.3     94.6     11.7      5.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      277)
     153       68       97       39       40      229      170
 

Updated August 24, 2007