SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/27/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      173,422
COMMITMENTS
  48,474    9,039   51,120   41,181  102,349  140,774  162,507   32,648   10,915

CHANGES FROM 05/20/08 (CHANGE IN OPEN INTEREST:     -1,591)
   1,845     -177   -2,040   -1,451    1,431   -1,646     -785       54     -806

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.0      5.2     29.5     23.7     59.0     81.2     93.7     18.8      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      171)
      86       39       66       32       37      148      115
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/27/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       98,919
COMMITMENTS
  22,163   18,530   13,473   49,800   51,512   85,436   83,515   13,482   15,404

CHANGES FROM 05/20/08 (CHANGE IN OPEN INTEREST:     -2,718)
  -2,447   -1,025       69      661   -1,904   -1,717   -2,860   -1,001      142

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.4     18.7     13.6     50.3     52.1     86.4     84.4     13.6     15.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      161)
      37       60       42       37       39      106      120
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/27/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      526,321
COMMITMENTS
 219,749   26,983  118,102  127,366  350,673  465,217  495,758   61,104   30,563

CHANGES FROM 05/20/08 (CHANGE IN OPEN INTEREST:    -69,223)
   8,158    1,187  -41,105  -35,324  -34,540  -68,272  -74,459     -951    5,235

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    41.8      5.1     22.4     24.2     66.6     88.4     94.2     11.6      5.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      275)
     168       49       78       36       45      238      140
 

Updated May 30,2008