```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/03/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      154,776
COMMITMENTS
  30,866    7,513   45,614   53,477   89,071  129,956  142,197   24,820   12,579

CHANGES FROM 03/27/12 (CHANGE IN OPEN INTEREST:      8,009)
   2,319      882    2,579    1,789    3,564    6,687    7,024    1,323      985

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    19.9      4.9     29.5     34.6     57.5     84.0     91.9     16.0      8.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      166)
      78       29       62       41       48      139      123
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/03/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      156,785
COMMITMENTS
  48,048   38,649   21,826   71,132   78,111  141,006  138,587   15,779   18,199

CHANGES FROM 03/27/12 (CHANGE IN OPEN INTEREST:      4,543)
   3,795    2,353      558     -423      256    3,930    3,166      613    1,377

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.6     24.7     13.9     45.4     49.8     89.9     88.4     10.1     11.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      221)
      70       83       43       42       50      137      159
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/03/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      623,172
COMMITMENTS
 180,702   31,103  138,024  242,059  429,290  560,785  598,417   62,387   24,755

CHANGES FROM 03/27/12 (CHANGE IN OPEN INTEREST:     -3,515)
 -10,282      171    1,723    3,888   -6,838   -4,672   -4,944    1,157    1,430

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    29.0      5.0     22.1     38.8     68.9     90.0     96.0     10.0      4.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      325)
     200       58      131       52       49      294      202
```

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Updated April 6, 2012