```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/10/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      196,358
COMMITMENTS
  35,209    5,697   75,055   49,039   97,679  159,302  178,431   37,055   17,927

CHANGES FROM 05/03/11 (CHANGE IN OPEN INTEREST:     -5,265)
  -7,550   -7,958    2,918    2,947    2,559   -1,685   -2,481   -3,580   -2,783

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.9      2.9     38.2     25.0     49.7     81.1     90.9     18.9      9.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      211)
     112       34       79       45       53      186      141
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/10/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      120,373
COMMITMENTS
  34,445   22,626   10,475   62,279   70,734  107,199  103,835   13,174   16,538

CHANGES FROM 05/03/11 (CHANGE IN OPEN INTEREST:     -5,571)
  -5,958    3,227      902       31  -11,312   -5,025   -7,183     -546    1,611

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.6     18.8      8.7     51.7     58.8     89.1     86.3     10.9     13.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      169)
      53       57       36       42       36      115      118
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/10/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      788,164
COMMITMENTS
 255,815   42,851  184,917  267,173  527,124  707,904  754,892   80,260   33,272

CHANGES FROM 05/03/11 (CHANGE IN OPEN INTEREST:    -17,747)
 -22,312    1,228   -9,119   18,396   -7,264  -13,035  -15,155   -4,712   -2,591

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    32.5      5.4     23.5     33.9     66.9     89.8     95.8     10.2      4.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      393)
     237       80      155       57       54      348      241
```

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Updated May 13, 2010