```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/24/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      163,799
COMMITMENTS
  29,496   10,950   49,308   63,279   88,448  142,083  148,707   21,715   15,092

CHANGES FROM 04/17/12 (CHANGE IN OPEN INTEREST:      2,142)
     343    3,107      933    4,663     -354    5,939    3,686   -3,797   -1,544

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    18.0      6.7     30.1     38.6     54.0     86.7     90.8     13.3      9.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      172)
      82       38       73       39       40      149      127
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/24/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      159,368
COMMITMENTS
  38,687   36,338   21,899   86,728   76,729  147,314  134,967   12,054   24,401

CHANGES FROM 04/17/12 (CHANGE IN OPEN INTEREST:        105)
  -2,297   -3,417    1,273    2,377      699    1,352   -1,445   -1,248    1,550

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.3     22.8     13.7     54.4     48.1     92.4     84.7      7.6     15.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      190)
      50       75       52       44       44      124      152
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/24/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      641,899
COMMITMENTS
 168,295   28,846  158,848  253,368  427,222  580,511  614,917   61,388   26,983

CHANGES FROM 04/17/12 (CHANGE IN OPEN INTEREST:      1,505)
  -3,018    4,366   -1,597    6,922   -2,401    2,306      368     -802    1,137

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.2      4.5     24.7     39.5     66.6     90.4     95.8      9.6      4.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      338)
     181       85      147       57       52      296      232
```

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Updated April 27, 2012