SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
FUTURES ONLY POSITIONS AS OF 08/07/07                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      122,787
COMMITMENTS
  39,317   10,377   22,922   31,888   79,448   94,127  112,747   28,660   10,040

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:      4,237)
     737     -834    1,837    2,196    2,821    4,770    3,824     -533      413

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    32.0      8.5     18.7     26.0     64.7     76.7     91.8     23.3      8.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      158)
      85       25       44       25       31      130       86
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
FUTURES ONLY POSITIONS AS OF 08/07/07                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       84,651
COMMITMENTS
  18,463   24,017    6,074   47,685   40,315   72,222   70,406   12,429   14,245

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:     -4,744)
  -1,081     -942   -3,772      -16   -1,171   -4,869   -5,885      125    1,141

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    21.8     28.4      7.2     56.3     47.6     85.3     83.2     14.7     16.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      154)
      35       50       33       40       37      103      106
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
FUTURES ONLY POSITIONS AS OF 08/07/07                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      352,908
COMMITMENTS
 123,391   34,020   93,393   90,267  211,513  307,051  338,926   45,857   13,982

CHANGES FROM 07/31/07 (CHANGE IN OPEN INTEREST:      1,723)
   9,685    1,203   -1,756   -5,887    2,715    2,042    2,162     -319     -439

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    35.0      9.6     26.5     25.6     59.9     87.0     96.0     13.0      4.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      249)
     137       52       50       34       39      198      119
 

Updated August 10, 2007