```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/21/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      181,237
COMMITMENTS
  38,267    5,925   67,379   39,712   89,985  145,357  163,289   35,880   17,948

CHANGES FROM 12/14/10 (CHANGE IN OPEN INTEREST:      1,674)
      26     -147      139    2,470    1,437    2,635    1,429     -961      245

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.1      3.3     37.2     21.9     49.7     80.2     90.1     19.8      9.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      192)
      97       38       68       37       43      163      124
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/21/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      166,686
COMMITMENTS
  59,804   27,641   17,186   71,447  107,124  148,437  151,951   18,249   14,735

CHANGES FROM 12/14/10 (CHANGE IN OPEN INTEREST:      2,903)
   1,517     -378      291    1,429    2,282    3,237    2,195     -334      708

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    35.9     16.6     10.3     42.9     64.3     89.1     91.2     10.9      8.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      203)
      73       60       35       40       51      142      126
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/21/10          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      800,320
COMMITMENTS
 257,468   27,568  204,243  260,225  537,807  721,936  769,618   78,384   30,702

CHANGES FROM 12/14/10 (CHANGE IN OPEN INTEREST:    -18,242)
  -8,392    3,133  -11,307    6,271   -7,291  -13,428  -15,465   -4,814   -2,777

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    32.2      3.4     25.5     32.5     67.2     90.2     96.2      9.8      3.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      394)
     247       69      136       58       54      347      220
```

----

Updated December 27, 2010