```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/28/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      164,356
COMMITMENTS
  41,628    6,066   46,078   48,250   99,722  135,956  151,865   28,401   12,491

CHANGES FROM 02/21/12 (CHANGE IN OPEN INTEREST:      8,349)
   6,013      202   -2,369    1,943   10,391    5,587    8,224    2,762      125

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.3      3.7     28.0     29.4     60.7     82.7     92.4     17.3      7.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      177)
      99       24       55       35       49      150      113
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/28/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      153,520
COMMITMENTS
  43,780   33,313   18,568   77,350   86,091  139,698  137,972   13,822   15,548

CHANGES FROM 02/21/12 (CHANGE IN OPEN INTEREST:     -9,267)
     716     -321   -2,518   -6,790   -5,100   -8,592   -7,940     -675   -1,327

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.5     21.7     12.1     50.4     56.1     91.0     89.9      9.0     10.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      199)
      69       64       41       43       44      134      135
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/28/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      737,521
COMMITMENTS
 253,817   32,275  170,635  234,282  509,900  658,735  712,810   78,786   24,711

CHANGES FROM 02/21/12 (CHANGE IN OPEN INTEREST:     22,590)
  20,707      802    1,202   -3,943   20,568   17,966   22,571    4,625       19

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.4      4.4     23.1     31.8     69.1     89.3     96.6     10.7      3.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      370)
     234       63      142       54       56      331      223
```

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Updated March 2, 2012