SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      140,501
COMMITMENTS
  34,442    7,120   33,343   37,650   86,577  105,435  127,040   35,066   13,461

CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST:      2,813)
  -1,637     -179    1,429    1,717    1,066    1,509    2,316    1,304      498

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.5      5.1     23.7     26.8     61.6     75.0     90.4     25.0      9.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      157)
      73       35       57       29       36      134      104
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       72,292
COMMITMENTS
   7,675   22,966    7,057   46,545   30,266   61,278   60,289   11,014   12,003

CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST:      6,194)
   3,194     -105    2,113      950    4,945    6,256    6,953      -62     -758

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    10.6     31.8      9.8     64.4     41.9     84.8     83.4     15.2     16.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      127)
      23       48       26       41       36       85       97
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/20/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      467,591
COMMITMENTS
 123,244   25,890  142,451  140,117  277,893  405,811  446,234   61,780   21,357

CHANGES FROM 03/13/07 (CHANGE IN OPEN INTEREST:    -27,295)
  -3,497      639  -12,872  -11,885  -13,764  -28,255  -25,998      960   -1,297

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.4      5.5     30.5     30.0     59.4     86.8     95.4     13.2      4.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      268)
     161       53       98       40       39      237      157
 

Updated March 23, 2007