SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/18/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      211,416
COMMITMENTS
  54,403   12,811   68,078   37,523  105,582  160,004  186,472   51,412   24,944

CHANGES FROM 04/11/06 (CHANGE IN OPEN INTEREST:     10,251)
  -2,634      320    8,584      355   -1,549    6,305    7,354    3,946    2,897

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.7      6.1     32.2     17.7     49.9     75.7     88.2     24.3     11.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      188)
      96       42       74       29       42      160      128
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/18/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      105,592
COMMITMENTS
  19,474   21,102   18,647   50,813   53,694   88,933   93,442   16,659   12,150

CHANGES FROM 04/11/06 (CHANGE IN OPEN INTEREST:      3,211)
  -1,909   -1,902    1,806    2,786    3,079    2,683    2,983      528      228

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    18.4     20.0     17.7     48.1     50.8     84.2     88.5     15.8     11.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      163)
      68       44       48       39       34      133      104
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/18/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      463,444
COMMITMENTS
 178,042   46,041  110,726  100,258  277,182  389,027  433,949   74,417   29,496

CHANGES FROM 04/11/06 (CHANGE IN OPEN INTEREST:     24,275)
   3,284     -669   16,432     -174    4,251   19,542   20,013    4,733    4,261

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    38.4      9.9     23.9     21.6     59.8     83.9     93.6     16.1      6.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      289)
     162       68       88       36       49      236      169
 

Updated April 21, 2006