SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/17/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      153,283
COMMITMENTS
  45,079    9,576   37,016   33,167   91,788  115,261  138,379   38,022   14,903

CHANGES FROM 04/10/07 (CHANGE IN OPEN INTEREST:      5,397)
   4,337      575      494       59    2,894    4,890    3,963      507    1,435

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    29.4      6.2     24.1     21.6     59.9     75.2     90.3     24.8      9.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      176)
      90       34       63       34       38      156      110
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/17/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       82,436
COMMITMENTS
  13,753   22,736    5,825   46,555   36,827   66,133   65,387   16,304   17,049

CHANGES FROM 04/10/07 (CHANGE IN OPEN INTEREST:        850)
   1,463      357     -634    1,073    1,190    1,903      914   -1,053      -64

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.7     27.6      7.1     56.5     44.7     80.2     79.3     19.8     20.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      140)
      33       49       33       43       39      103      101
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/17/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      484,425
COMMITMENTS
 171,025   29,099  130,028  118,116  302,920  419,169  462,048   65,256   22,377

CHANGES FROM 04/10/07 (CHANGE IN OPEN INTEREST:     20,757)
  20,380   -3,405    4,134   -4,312   18,142   20,202   18,870      555    1,887

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    35.3      6.0     26.8     24.4     62.5     86.5     95.4     13.5      4.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      286)
     174       50       84       39       47      245      152
 

Updated April 20, 2007