SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/06/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      165,979
COMMITMENTS
  41,658    6,637   49,628   43,916   98,051  135,202  154,316   30,777   11,663

CHANGES FROM 04/29/08 (CHANGE IN OPEN INTEREST:     -3,878)
  -1,117      554      439   -4,284   -5,886   -4,963   -4,893    1,084    1,014

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.1      4.0     29.9     26.5     59.1     81.5     93.0     18.5      7.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      155)
      80       33       61       29       32      134      104
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/06/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      100,086
COMMITMENTS
  27,805   20,640   10,540   49,000   54,409   87,345   85,589   12,741   14,497

CHANGES FROM 04/29/08 (CHANGE IN OPEN INTEREST:     -4,732)
  -1,283   -1,927   -1,833   -1,051     -145   -4,167   -3,905     -565     -827

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.8     20.6     10.5     49.0     54.4     87.3     85.5     12.7     14.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      167)
      47       57       35       40       38      115      111
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/06/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      564,330
COMMITMENTS
 188,501   31,406  154,407  165,658  352,316  508,566  538,128   55,763   26,202

CHANGES FROM 04/29/08 (CHANGE IN OPEN INTEREST:      9,262)
  -4,138    3,181    6,793   10,430    5,514   13,085   15,488   -3,823   -6,226

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    33.4      5.6     27.4     29.4     62.4     90.1     95.4      9.9      4.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      283)
     160       62       98       45       44      244      168
 

Updated May 9, 2008