SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/28/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      175,921
COMMITMENTS
  61,823   11,223   43,478   30,946  103,493  136,247  158,195   39,674   17,726

CHANGES FROM 03/21/06 (CHANGE IN OPEN INTEREST:      3,571)
     930    1,644    2,830    1,124      100    4,884    4,574   -1,313   -1,003

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    35.1      6.4     24.7     17.6     58.8     77.4     89.9     22.6     10.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      203)
     106       39       58       33       48      164      124
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/28/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      100,572
COMMITMENTS
  22,333   21,155   18,123   44,908   48,930   85,364   88,208   15,208   12,364

CHANGES FROM 03/21/06 (CHANGE IN OPEN INTEREST:        -47)
      84    1,451     -174      -58   -1,089     -148      188      101     -234

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.2     21.0     18.0     44.7     48.7     84.9     87.7     15.1     12.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      174)
      59       57       45       41       33      134      110
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/28/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      412,112
COMMITMENTS
 163,969   40,712   78,072   99,672  254,994  341,713  373,778   70,399   38,334

CHANGES FROM 03/21/06 (CHANGE IN OPEN INTEREST:     -3,914)
  16,048   -3,668   -9,751  -15,099    1,716   -8,802  -11,704    4,888    7,789

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    39.8      9.9     18.9     24.2     61.9     82.9     90.7     17.1      9.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      262)
     164       47       73       33       43      227      137
 

Updated March 31, 2006