```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/22/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      196,407
COMMITMENTS
  48,017    6,563   66,308   43,963  104,541  158,288  177,412   38,119   18,995

CHANGES FROM 03/15/11 (CHANGE IN OPEN INTEREST:      5,910)
     281   -1,726    4,903    1,008    3,124    6,191    6,301     -281     -390

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.4      3.3     33.8     22.4     53.2     80.6     90.3     19.4      9.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      206)
     108       38       66       42       49      173      134
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/22/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      133,844
COMMITMENTS
  44,489   22,667    9,826   65,641   88,927  119,956  121,420   13,888   12,424

CHANGES FROM 03/15/11 (CHANGE IN OPEN INTEREST:     -1,027)
  -1,704     -164    2,334     -812      -30     -182    2,140     -845   -3,166

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    33.2     16.9      7.3     49.0     66.4     89.6     90.7     10.4      9.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      165)
      54       50       35       43       41      123      106
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/22/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      741,348
COMMITMENTS
 245,124   34,589  181,368  232,886  495,729  659,377  711,685   81,971   29,663

CHANGES FROM 03/15/11 (CHANGE IN OPEN INTEREST:      5,933)
  -6,135  -11,054   12,919   -5,865    3,244      920    5,108    5,013      825

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    33.1      4.7     24.5     31.4     66.9     88.9     96.0     11.1      4.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      400)
     252       71      156       56       58      355      245
```

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Updated March 25, 2011