SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/27/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      136,408
COMMITMENTS
  35,729    6,826   31,788   34,883   85,974  102,400  124,588   34,008   11,820

CHANGES FROM 03/20/07 (CHANGE IN OPEN INTEREST:     -4,093)
   1,287     -294   -1,555   -2,767     -603   -3,035   -2,452   -1,058   -1,641

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.2      5.0     23.3     25.6     63.0     75.1     91.3     24.9      8.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      154)
      75       29       54       28       36      133       98
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/27/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       75,521
COMMITMENTS
   8,644   24,550    7,301   46,281   31,583   62,226   63,434   13,295   12,087

CHANGES FROM 03/20/07 (CHANGE IN OPEN INTEREST:      3,230)
     968    1,584      244     -264    1,317      949    3,146    2,281       84

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    11.4     32.5      9.7     61.3     41.8     82.4     84.0     17.6     16.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      135)
      24       56       29       39       37       85      107
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/27/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      437,206
COMMITMENTS
 125,901   25,883  122,862  121,062  267,964  369,825  416,710   67,380   20,496

CHANGES FROM 03/20/07 (CHANGE IN OPEN INTEREST:    -30,385)
   2,658       -6  -19,589  -19,055   -9,929  -35,986  -29,524    5,601     -861

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.8      5.9     28.1     27.7     61.3     84.6     95.3     15.4      4.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      250)
     150       45       79       39       37      222      134
 

Updated March 30, 2007