```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/28/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      156,558
COMMITMENTS
  40,862    9,999   41,476   50,740   92,600  133,078  144,075   23,480   12,483

CHANGES FROM 08/21/12 (CHANGE IN OPEN INTEREST:    -11,518)
   5,322   -3,331   -5,860   -7,781       37   -8,319   -9,155   -3,198   -2,363

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.1      6.4     26.5     32.4     59.1     85.0     92.0     15.0      8.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      185)
      92       41       71       37       41      158      129
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/28/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      145,284
COMMITMENTS
  41,645   49,738   15,066   76,973   62,938  133,684  127,743   11,600   17,541

CHANGES FROM 08/21/12 (CHANGE IN OPEN INTEREST:     -4,237)
     872   -3,917   -1,858   -2,347    2,965   -3,332   -2,810     -904   -1,427

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.7     34.2     10.4     53.0     43.3     92.0     87.9      8.0     12.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      220)
      51       98       40       46       49      123      170
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/28/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      670,216
COMMITMENTS
 203,355   36,236  160,955  231,889  448,655  596,199  645,846   74,017   24,370

CHANGES FROM 08/21/12 (CHANGE IN OPEN INTEREST:     22,833)
  22,914   -4,079   -1,822   -1,194   33,002   19,898   27,101    2,935   -4,268

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.3      5.4     24.0     34.6     66.9     89.0     96.4     11.0      3.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      362)
     227       59      148       52       56      323      229
```

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Updated August 31, 2012