```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      143,447
COMMITMENTS
  27,588    9,896   38,975   54,389   80,994  120,952  129,864   22,495   13,583

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:    -20,351)
  -1,908   -1,055  -10,334   -8,890   -7,454  -21,131  -18,842      780   -1,509

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    19.2      6.9     27.2     37.9     56.5     84.3     90.5     15.7      9.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      156)
      70       33       59       39       42      134      113
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      144,300
COMMITMENTS
  41,404   37,497   14,475   77,183   70,549  133,061  122,522   11,239   21,779

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:    -15,068)
   2,717    1,159   -7,425   -9,546   -6,179  -14,253  -12,445     -815   -2,623

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.7     26.0     10.0     53.5     48.9     92.2     84.9      7.8     15.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      201)
      53       85       39       47       46      123      150
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/01/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      648,716
COMMITMENTS
 175,731   28,356  156,886  251,895  438,744  584,512  623,986   64,203   24,730

CHANGES FROM 04/24/12 (CHANGE IN OPEN INTEREST:      6,816)
   7,437     -491   -1,962   -1,474   11,522    4,001    9,069    2,815   -2,253

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.1      4.4     24.2     38.8     67.6     90.1     96.2      9.9      3.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      328)
     180       75      135       57       54      287      220
```

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Updated May 4, 2012