SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/21/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      172,350
COMMITMENTS
  60,893    9,579   40,648   29,822  103,393  131,363  153,621   40,987   18,729

CHANGES FROM 03/14/06 (CHANGE IN OPEN INTEREST:      5,397)
   4,131    1,976      261     -191    1,026    4,201    3,264    1,196    2,133

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    35.3      5.6     23.6     17.3     60.0     76.2     89.1     23.8     10.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      209)
     111       40       59       33       48      174      121
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/21/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      100,619
COMMITMENTS
  22,249   19,703   18,297   44,966   50,020   85,512   88,020   15,107   12,599

CHANGES FROM 03/14/06 (CHANGE IN OPEN INTEREST:      5,781)
   2,105     -497    2,612     -438    3,265    4,278    5,379    1,502      402

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.1     19.6     18.2     44.7     49.7     85.0     87.5     15.0     12.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      172)
      53       62       45       41       33      129      115
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/21/06          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      416,027
COMMITMENTS
 147,921   44,381   87,823  114,771  253,278  350,515  385,482   65,512   30,545

CHANGES FROM 03/14/06 (CHANGE IN OPEN INTEREST:     -1,245)
   6,379   -1,495   -1,809   -4,229      -34      341   -3,338   -1,585    2,094

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    35.6     10.7     21.1     27.6     60.9     84.3     92.7     15.7      7.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      284)
     164       64       85       40       45      238      165
 

Updated March 24, 2006