SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/11/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      218,459
COMMITMENTS
  55,504    5,730   73,290   53,708  124,610  182,501  203,630   35,957   14,829

CHANGES FROM 03/04/08 (CHANGE IN OPEN INTEREST:     -2,823)
  -1,921   -2,417    1,947   -1,443   -1,157   -1,416   -1,627   -1,407   -1,196

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.4      2.6     33.5     24.6     57.0     83.5     93.2     16.5      6.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      169)
      89       31       61       28       35      140      109
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/11/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      103,876
COMMITMENTS
  29,212   19,268   11,939   49,542   58,831   90,693   90,038   13,184   13,838

CHANGES FROM 03/04/08 (CHANGE IN OPEN INTEREST:      1,515)
   1,849      967       30     -298     -151    1,581      846      -66      669

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.1     18.5     11.5     47.7     56.6     87.3     86.7     12.7     13.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      174)
      58       49       39       41       42      127      114
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/11/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      653,481
COMMITMENTS
 241,711   28,924  174,176  163,750  426,036  579,637  629,137   73,844   24,344

CHANGES FROM 03/04/08 (CHANGE IN OPEN INTEREST:      1,142)
  -1,232   -4,541      370    4,693    9,625    3,831    5,455   -2,690   -4,313

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    37.0      4.4     26.7     25.1     65.2     88.7     96.3     11.3      3.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      317)
     200       61      111       36       43      275      177
 

Updated March 14, 2008