SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/04/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      221,282
COMMITMENTS
  57,424    8,147   71,343   55,151  125,767  183,917  205,257   37,365   16,025

CHANGES FROM 02/26/08 (CHANGE IN OPEN INTEREST:      1,695)
  -2,508      806    6,137    1,793     -817    5,422    6,126   -3,726   -4,431

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.0      3.7     32.2     24.9     56.8     83.1     92.8     16.9      7.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      175)
      86       39       57       29       36      140      113
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/04/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      102,361
COMMITMENTS
  27,363   18,301   11,909   49,840   58,982   89,112   89,193   13,249   13,169

CHANGES FROM 02/26/08 (CHANGE IN OPEN INTEREST:        148)
   2,580     -914     -255   -2,909    1,252     -584       84      732       64

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.7     17.9     11.6     48.7     57.6     87.1     87.1     12.9     12.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      169)
      51       50       37       46       42      125      111
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/04/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      652,339
COMMITMENTS
 242,944   33,465  173,806  159,056  416,411  575,806  623,682   76,533   28,657

CHANGES FROM 02/26/08 (CHANGE IN OPEN INTEREST:      5,948)
 -11,721      892   16,030      965   -9,840    5,273    7,082      675   -1,134

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    37.2      5.1     26.6     24.4     63.8     88.3     95.6     11.7      4.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      336)
     202       70      112       41       50      289      188
 

Updated March 7, 2008