```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/27/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      146,767
COMMITMENTS
  28,547    6,631   43,035   51,688   85,507  123,270  135,173   23,497   11,594

CHANGES FROM 03/20/12 (CHANGE IN OPEN INTEREST:     -5,797)
  -2,178    1,115   -3,656      417   -2,728   -5,418   -5,269     -380     -528

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    19.5      4.5     29.3     35.2     58.3     84.0     92.1     16.0      7.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      167)
      80       30       65       41       48      144      123
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/27/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      152,242
COMMITMENTS
  44,252   36,296   21,269   71,555   77,855  137,076  135,420   15,165   16,822

CHANGES FROM 03/20/12 (CHANGE IN OPEN INTEREST:     -2,348)
  -4,477     -264    1,902   -1,294   -3,759   -3,869   -2,121    1,521     -227

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    29.1     23.8     14.0     47.0     51.1     90.0     89.0     10.0     11.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      209)
      60       79       41       46       50      130      154
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/27/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      626,687
COMMITMENTS
 190,984   30,933  136,301  238,172  436,128  565,457  603,362   61,231   23,326

CHANGES FROM 03/20/12 (CHANGE IN OPEN INTEREST:    -48,826)
  15,512   -6,381  -30,831  -29,071   -6,887  -44,390  -44,098   -4,436   -4,727

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.5      4.9     21.7     38.0     69.6     90.2     96.3      9.8      3.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      342)
     218       56      146       52       51      314      217
```

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Updated March 30, 2012