SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/13/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      137,688
COMMITMENTS
  36,079    7,300   31,913   35,933   85,511  103,925  124,724   33,762   12,964

CHANGES FROM 03/06/07 (CHANGE IN OPEN INTEREST:     -3,156)
  -4,201     -230      569    1,655   -3,491   -1,977   -3,152   -1,179       -4

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.2      5.3     23.2     26.1     62.1     75.5     90.6     24.5      9.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      157)
      81       28       55       29       37      135      101
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/13/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       66,097
COMMITMENTS
   4,481   23,070    4,945   45,596   25,321   55,022   53,336   11,076   12,761

CHANGES FROM 03/06/07 (CHANGE IN OPEN INTEREST:       -383)
    -552   -1,606      499      566      682      513     -425     -896       42

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     6.8     34.9      7.5     69.0     38.3     83.2     80.7     16.8     19.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      121)
      20       48       24       43       32       79       93
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/13/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      494,886
COMMITMENTS
 126,740   25,251  155,324  152,002  291,657  434,066  472,232   60,820   22,654

CHANGES FROM 03/06/07 (CHANGE IN OPEN INTEREST:      7,015)
  -6,959   -2,633    4,064   12,721    7,182    9,826    8,613   -2,812   -1,598

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.6      5.1     31.4     30.7     58.9     87.7     95.4     12.3      4.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      275)
     167       51      103       37       39      240      163
 

Updated March 16, 2007