```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/16/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      176,077
COMMITMENTS
  32,950    3,696   60,477   47,338   97,213  140,765  161,386   35,311   14,690

CHANGES FROM 08/09/11 (CHANGE IN OPEN INTEREST:        552)
     925   -2,526      863   -1,477    3,842      311    2,180      241   -1,628

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    18.7      2.1     34.3     26.9     55.2     79.9     91.7     20.1      8.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      186)
      98       32       80       38       45      164      133
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/16/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      125,890
COMMITMENTS
  27,563   21,674   13,396   71,702   72,600  112,661  107,671   13,229   18,219

CHANGES FROM 08/09/11 (CHANGE IN OPEN INTEREST:     -2,786)
  -6,808   -1,841    1,344    4,993   -3,660     -472   -4,158   -2,314    1,372

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.9     17.2     10.6     57.0     57.7     89.5     85.5     10.5     14.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      172)
      46       55       46       52       46      122      135
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/16/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      952,078
COMMITMENTS
 289,390   31,476  274,289  303,231  609,736  866,911  915,501   85,166   36,576

CHANGES FROM 08/09/11 (CHANGE IN OPEN INTEREST:     45,659)
    -951      317   35,536   12,603   15,371   47,188   51,224   -1,529   -5,565

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.4      3.3     28.8     31.8     64.0     91.1     96.2      8.9      3.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      416)
     249       91      162       57       58      362      260
```

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Updated August 19, 2011