```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/31/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      158,939
COMMITMENTS
  31,971   17,738   45,784   58,242   81,267  135,997  144,788   22,942   14,150

CHANGES FROM 07/24/12 (CHANGE IN OPEN INTEREST:     -3,893)
   1,777   -3,894   -1,620   -4,490    2,317   -4,333   -3,197      440     -696

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.1     11.2     28.8     36.6     51.1     85.6     91.1     14.4      8.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      173)
      79       44       69       39       36      143      129
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/31/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      142,820
COMMITMENTS
  38,672   53,392   13,047   80,727   56,655  132,446  123,095   10,374   19,726

CHANGES FROM 07/24/12 (CHANGE IN OPEN INTEREST:        377)
  -2,093     -442   -1,801    4,278    3,552      384    1,309       -7     -932

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.1     37.4      9.1     56.5     39.7     92.7     86.2      7.3     13.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      205)
      45       89       43       48       42      121      156
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/31/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      644,298
COMMITMENTS
 174,273   45,437  155,817  252,919  413,746  583,009  615,000   61,289   29,298

CHANGES FROM 07/24/12 (CHANGE IN OPEN INTEREST:    -30,489)
  19,938   -6,105  -25,301  -25,516    6,698  -30,879  -24,708      390   -5,780

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.0      7.1     24.2     39.3     64.2     90.5     95.5      9.5      4.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      322)
     189       65      125       49       47      281      203
```

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Updated August 3, 2012