```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      233,453
COMMITMENTS
  48,844    7,411   87,986   53,638  114,257  190,468  209,655   42,985   23,799

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     14,329)
     873   -2,829    9,903    1,634    5,472   12,410   12,547    1,919    1,782

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.9      3.2     37.7     23.0     48.9     81.6     89.8     18.4     10.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      219)
     121       36       82       45       55      193      150
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      132,501
COMMITMENTS
  43,667   18,608    9,168   63,739   90,636  116,574  118,412   15,927   14,090

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     -9,700)
  -9,306   -3,375   -1,413    1,371   -7,422   -9,348  -12,210     -352    2,511

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    33.0     14.0      6.9     48.1     68.4     88.0     89.4     12.0     10.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      176)
      67       44       36       46       44      135      110
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/19/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      780,145
COMMITMENTS
 291,192   39,482  168,014  233,820  538,324  693,025  745,820   87,119   34,324

CHANGES FROM 04/12/11 (CHANGE IN OPEN INTEREST:     59,203)
  20,828   -1,989   24,463    8,803   30,125   54,093   52,598    5,110    6,605

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    37.3      5.1     21.5     30.0     69.0     88.8     95.6     11.2      4.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      412)
     268       72      148       50       60      367      233
```

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Updated April 22, 2011