SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/06/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      140,844
COMMITMENTS
  40,281    7,529   31,344   34,278   89,002  105,903  127,876   34,941   12,967

CHANGES FROM 02/27/07 (CHANGE IN OPEN INTEREST:    -13,843)
 -19,791     -868   -1,626    5,412  -11,749  -16,004  -14,243    2,162      400

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.6      5.3     22.3     24.3     63.2     75.2     90.8     24.8      9.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      150)
      73       26       55       28       37      127      101
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/06/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       66,480
COMMITMENTS
   5,033   24,676    4,445   45,030   24,640   54,509   53,761   11,972   12,719

CHANGES FROM 02/27/07 (CHANGE IN OPEN INTEREST:       -323)
    -153      337     -482     -928     -162   -1,563     -307    1,239      -16

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.6     37.1      6.7     67.7     37.1     82.0     80.9     18.0     19.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      123)
      23       49       23       39       31       79       91
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/06/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      487,871
COMMITMENTS
 133,699   27,884  151,260  139,281  284,476  424,240  463,619   63,632   24,252

CHANGES FROM 02/27/07 (CHANGE IN OPEN INTEREST:    -45,399)
 -47,374   -4,825   -9,216   11,199  -37,615  -45,390  -51,656       -9    6,257

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.4      5.7     31.0     28.5     58.3     87.0     95.0     13.0      5.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      264)
     162       48       93       36       40      229      151
 

Updated March 9, 2007