```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      152,564
COMMITMENTS
  30,725    5,516   46,692   51,271   88,235  128,688  140,442   23,877   12,122

CHANGES FROM 03/13/12 (CHANGE IN OPEN INTEREST:       -887)
    -529      800   -1,210    3,223   -1,204    1,484   -1,614   -2,371      727

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.1      3.6     30.6     33.6     57.8     84.3     92.1     15.7      7.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      166)
      79       33       65       40       46      143      121
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      154,590
COMMITMENTS
  48,730   36,560   19,366   72,849   81,615  140,945  137,541   13,644   17,049

CHANGES FROM 03/13/12 (CHANGE IN OPEN INTEREST:      3,410)
   5,425    2,284      973   -2,283     -603    4,115    2,654     -705      756

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    31.5     23.6     12.5     47.1     52.8     91.2     89.0      8.8     11.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      202)
      65       70       42       42       48      129      145
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      675,513
COMMITMENTS
 175,472   37,313  167,132  267,243  443,015  609,847  647,460   65,667   28,053

CHANGES FROM 03/13/12 (CHANGE IN OPEN INTEREST:     -7,665)
 -21,138    3,979   -3,934   21,829   -9,132   -3,243   -9,087   -4,422    1,421

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.0      5.5     24.7     39.6     65.6     90.3     95.8      9.7      4.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      348)
     203       76      151       53       51      306      234
```

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Updated March 23, 2012