```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/12/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      219,124
COMMITMENTS
  47,971   10,240   78,083   52,004  108,785  178,058  197,108   41,066   22,016

CHANGES FROM 04/05/11 (CHANGE IN OPEN INTEREST:      7,695)
  -1,647    1,833    6,353    3,309   -1,589    8,015    6,597     -320    1,098

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.9      4.7     35.6     23.7     49.6     81.3     90.0     18.7     10.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      212)
     105       46       74       42       50      180      142
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/12/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      142,201
COMMITMENTS
  52,973   21,983   10,581   62,368   98,058  125,922  130,622   16,279   11,579

CHANGES FROM 04/05/11 (CHANGE IN OPEN INTEREST:      7,804)
   6,705   -1,901      990    1,202    9,049    8,897    8,138   -1,093     -334

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    37.3     15.5      7.4     43.9     69.0     88.6     91.9     11.4      8.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      192)
      72       53       41       45       49      144      122
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/12/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      720,941
COMMITMENTS
 270,364   41,471  143,551  225,017  508,199  638,932  693,222   82,009   27,720

CHANGES FROM 04/05/11 (CHANGE IN OPEN INTEREST:      9,947)
  -1,349      517   12,764    2,682   -1,227   14,096   12,054   -4,149   -2,106

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    37.5      5.8     19.9     31.2     70.5     88.6     96.2     11.4      3.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      401)
     258       70      149       51       58      355      235
```

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Updated April 15, 2011