```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/18/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      174,704
COMMITMENTS
  45,205    6,469   47,801   50,134  108,910  143,141  163,180   31,563   11,523

CHANGES FROM 12/11/12 (CHANGE IN OPEN INTEREST:        169)
  -4,112      466    3,025    1,307   -2,387      220    1,104      -51     -935

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.9      3.7     27.4     28.7     62.3     81.9     93.4     18.1      6.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      184)
      96       29       81       39       43      164      134
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/18/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      154,107
COMMITMENTS
  51,517   36,484   16,203   70,925   84,673  138,645  137,361   15,461   16,746

CHANGES FROM 12/11/12 (CHANGE IN OPEN INTEREST:      2,532)
   2,945      517     -532     -719    2,940    1,693    2,925      839     -393

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    33.4     23.7     10.5     46.0     54.9     90.0     89.1     10.0     10.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      221)
      72       80       39       45       50      143      149
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/18/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      633,191
COMMITMENTS
 199,724   40,216  143,417  213,580  420,368  556,721  604,001   76,470   29,190

CHANGES FROM 12/11/12 (CHANGE IN OPEN INTEREST:      8,103)
  -7,024    9,515    7,788    9,467  -13,433   10,230    3,870   -2,127    4,234

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    31.5      6.4     22.6     33.7     66.4     87.9     95.4     12.1      4.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      387)
     223       84      141       62       60      344      233
```

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Updated December 21, 2012