```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/05/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      211,429
COMMITMENTS
  49,618    8,407   71,729   48,696  110,374  170,043  190,510   41,386   20,918

CHANGES FROM 03/29/11 (CHANGE IN OPEN INTEREST:     13,485)
   2,042    1,748    7,508    2,953    4,666   12,502   13,921      983     -436

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.5      4.0     33.9     23.0     52.2     80.4     90.1     19.6      9.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      204)
     105       33       69       42       53      171      138
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/05/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      134,397
COMMITMENTS
  46,268   23,884    9,591   61,166   89,009  117,025  122,484   17,372   11,913

CHANGES FROM 03/29/11 (CHANGE IN OPEN INTEREST:     -1,596)
  -1,404    3,256       95   -2,530   -3,684   -3,839     -333    2,243   -1,263

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.4     17.8      7.1     45.5     66.2     87.1     91.1     12.9      8.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      180)
      61       56       39       41       44      129      118
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/05/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      710,994
COMMITMENTS
 271,713   40,955  130,787  222,335  509,426  624,836  681,168   86,158   29,826

CHANGES FROM 03/29/11 (CHANGE IN OPEN INTEREST:     38,347)
  22,519    5,742    2,834    3,459   26,465   28,811   35,042    9,536    3,305

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    38.2      5.8     18.4     31.3     71.6     87.9     95.8     12.1      4.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      401)
     254       71      135       52       58      348      227
```

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Updated April 8, 2011