```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/03/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      201,622
COMMITMENTS
  42,759   13,655   72,137   46,091   95,120  160,987  180,912   40,635   20,710

CHANGES FROM 04/26/11 (CHANGE IN OPEN INTEREST:     -7,653)
    -770      862     -908   -3,531   -4,227   -5,209   -4,273   -2,444   -3,380

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    21.2      6.8     35.8     22.9     47.2     79.8     89.7     20.2     10.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      211)
     106       45       80       42       47      181      144
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/03/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      125,944
COMMITMENTS
  40,403   19,399    9,573   62,248   82,046  112,224  111,018   13,720   14,926

CHANGES FROM 04/26/11 (CHANGE IN OPEN INTEREST:     -4,949)
  -1,673    1,005     -652     -729   -7,360   -3,054   -7,006   -1,895    2,058

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    32.1     15.4      7.6     49.4     65.1     89.1     88.1     10.9     11.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      164)
      55       49       39       43       40      122      111
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/03/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      805,910
COMMITMENTS
 278,126   41,623  194,036  248,776  534,388  720,939  770,047   84,972   35,863

CHANGES FROM 04/26/11 (CHANGE IN OPEN INTEREST:     42,156)
  -2,896   -1,089   37,877    6,957    4,515   41,937   41,303      219      853

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.5      5.2     24.1     30.9     66.3     89.5     95.6     10.5      4.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      411)
     256       77      143       54       58      355      238
```

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Updated May 6, 2011