SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/04/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      174,713
COMMITMENTS
  38,919   10,651   55,441   44,984   96,446  139,344  162,538   35,370   12,175

CHANGES FROM 11/27/07 (CHANGE IN OPEN INTEREST:     -4,541)
  -3,717     -286    1,329       15   -2,685   -2,373   -1,642   -2,168   -2,899

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.3      6.1     31.7     25.7     55.2     79.8     93.0     20.2      7.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      164)
      80       36       52       34       34      139      101
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/04/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:       71,021
COMMITMENTS
   8,473   16,813    6,106   46,912   34,899   61,491   57,817    9,530   13,203

CHANGES FROM 11/27/07 (CHANGE IN OPEN INTEREST:     -3,053)
  -1,132     -688     -205     -264    1,512   -1,601      619   -1,451   -3,671

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    11.9     23.7      8.6     66.1     49.1     86.6     81.4     13.4     18.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      134)
      20       57       24       40       32       81       99
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/04/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      589,490
COMMITMENTS
 194,145   14,636  176,246  157,479  377,722  527,870  568,603   61,620   20,887

CHANGES FROM 11/27/07 (CHANGE IN OPEN INTEREST:    -33,523)
 -15,824   -6,949    2,695  -13,878  -15,471  -27,007  -19,725   -6,516  -13,798

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    32.9      2.5     29.9     26.7     64.1     89.5     96.5     10.5      3.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      289)
     167       57       84       43       46      250      153
 

Updated December 7, 2007