SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      149,122
COMMITMENTS
  32,796    8,264   52,360   31,772   77,184  116,928  137,808   32,194   11,314

CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST:      2,478)
    -596       79    1,835    2,786    2,109    4,025    4,023   -1,547   -1,545

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.0      5.5     35.1     21.3     51.8     78.4     92.4     21.6      7.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      159)
      83       30       58       23       32      137      100
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       75,901
COMMITMENTS
   9,323   17,503    8,736   47,009   38,352   65,068   64,592   10,833   11,310

CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST:      1,953)
    -102    1,356    1,132    1,411     -306    2,442    2,182     -489     -229

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.3     23.1     11.5     61.9     50.5     85.7     85.1     14.3     14.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      133)
      30       42       37       41       31      103       94
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 08/15/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      402,702
COMMITMENTS
 130,012   30,441  115,573   92,835  231,352  338,420  377,366   64,282   25,336

CHANGES FROM 08/08/06 (CHANGE IN OPEN INTEREST:       -197)
  -7,711     -319     -127    1,670   -7,208   -6,167   -7,654    5,970    7,457

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    32.3      7.6     28.7     23.1     57.4     84.0     93.7     16.0      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      255)
     147       56       86       41       40      228      145
 

Updated August 18, 2006