```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/06/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      152,451
COMMITMENTS
  32,584    4,768   45,074   49,226   90,667  126,885  140,509   25,567   11,942

CHANGES FROM 02/28/12 (CHANGE IN OPEN INTEREST:    -11,905)
  -9,043   -1,297   -1,004      977   -9,055   -9,071  -11,356   -2,834     -549

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.4      3.1     29.6     32.3     59.5     83.2     92.2     16.8      7.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      160)
      84       22       58       38       47      141      111
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/06/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      152,925
COMMITMENTS
  44,695   33,128   19,400   76,523   83,766  140,618  136,295   12,307   16,631

CHANGES FROM 02/28/12 (CHANGE IN OPEN INTEREST:       -595)
     915     -185      833     -827   -2,325      921   -1,677   -1,515    1,083

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    29.2     21.7     12.7     50.0     54.8     92.0     89.1      8.0     10.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      195)
      64       66       44       45       49      133      140
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/06/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      676,087
COMMITMENTS
 201,331   29,307  164,068  244,653  455,944  610,052  649,320   66,035   26,768

CHANGES FROM 02/28/12 (CHANGE IN OPEN INTEREST:    -61,434)
 -52,486   -2,967   -6,567   10,371  -53,956  -48,683  -63,491  -12,751    2,057

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    29.8      4.3     24.3     36.2     67.4     90.2     96.0      9.8      4.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      351)
     209       73      149       50       54      317      223
```

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Updated March 9, 2012