SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/13/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      167,647
COMMITMENTS
  41,863    7,915   50,403   43,295   97,765  135,561  156,083   32,085   11,564

CHANGES FROM 05/06/08 (CHANGE IN OPEN INTEREST:      1,668)
     205    1,279      775     -620     -286      360    1,768    1,308     -100

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.0      4.7     30.1     25.8     58.3     80.9     93.1     19.1      6.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      158)
      77       38       62       30       34      136      108
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/13/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       98,450
COMMITMENTS
  24,149   19,936   11,428   48,992   51,939   84,570   83,303   13,880   15,146

CHANGES FROM 05/06/08 (CHANGE IN OPEN INTEREST:     -1,636)
  -3,656     -704      888       -7   -2,470   -2,775   -2,285    1,139      649

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.5     20.2     11.6     49.8     52.8     85.9     84.6     14.1     15.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      161)
      43       55       42       37       37      109      117
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/13/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      569,844
COMMITMENTS
 192,389   38,570  150,602  171,862  353,096  514,853  542,269   54,991   27,575

CHANGES FROM 05/06/08 (CHANGE IN OPEN INTEREST:      5,514)
   3,887    7,164   -3,804    6,204      781    6,287    4,141     -773    1,374

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    33.8      6.8     26.4     30.2     62.0     90.3     95.2      9.7      4.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      291)
     163       68      102       43       43      249      174
 

Updated May 16, 2008