SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
FUTURES ONLY POSITIONS AS OF 07/31/07                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      118,550
COMMITMENTS
  38,580   11,211   21,085   29,692   76,627   89,357  108,923   29,193    9,627

CHANGES FROM 07/24/07 (CHANGE IN OPEN INTEREST:       -514)
  -4,174      800   -1,057    3,773   -1,580   -1,458   -1,837      944    1,323

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    32.5      9.5     17.8     25.0     64.6     75.4     91.9     24.6      8.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      156)
      85       25       39       27       30      128       82
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
FUTURES ONLY POSITIONS AS OF 07/31/07                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       89,395
COMMITMENTS
  19,544   24,959    9,846   47,701   41,486   77,091   76,291   12,304   13,104

CHANGES FROM 07/24/07 (CHANGE IN OPEN INTEREST:     -5,101)
  -2,449        1     -424     -629   -4,079   -3,502   -4,502   -1,599     -599

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    21.9     27.9     11.0     53.4     46.4     86.2     85.3     13.8     14.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      174)
      46       52       47       43       37      128      117
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
FUTURES ONLY POSITIONS AS OF 07/31/07                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      351,185
COMMITMENTS
 113,706   32,817   95,149   96,154  208,798  305,009  336,764   46,176   14,421

CHANGES FROM 07/24/07 (CHANGE IN OPEN INTEREST:    -50,418)
 -40,545    1,496   -7,429    4,484  -44,474  -43,490  -50,407   -6,928      -11

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    32.4      9.3     27.1     27.4     59.5     86.9     95.9     13.1      4.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      236)
     128       52       53       38       38      192      120
 

Updated August 3, 2007