```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/17/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      193,531
COMMITMENTS
  31,999    7,933   75,476   51,398   93,635  158,873  177,043   34,658   16,488

CHANGES FROM 05/10/11 (CHANGE IN OPEN INTEREST:     -2,827)
  -3,210    2,236      421    2,359   -4,045     -430   -1,387   -2,397   -1,439

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.5      4.1     39.0     26.6     48.4     82.1     91.5     17.9      8.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      203)
     103       41       81       39       49      175      142
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/17/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      119,862
COMMITMENTS
  29,693   21,948   14,555   62,822   65,994  107,070  102,497   12,792   17,365

CHANGES FROM 05/10/11 (CHANGE IN OPEN INTEREST:       -511)
  -4,752     -678    4,080      543   -4,741     -129   -1,339     -382      827

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    24.8     18.3     12.1     52.4     55.1     89.3     85.5     10.7     14.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      184)
      53       64       45       44       38      124      134
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/17/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      772,908
COMMITMENTS
 234,858   39,878  188,236  274,037  513,657  697,131  741,772   75,777   31,136

CHANGES FROM 05/10/11 (CHANGE IN OPEN INTEREST:    -15,256)
 -20,956   -2,973    3,319    6,865  -13,467  -10,773  -13,121   -4,483   -2,135

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    30.4      5.2     24.4     35.5     66.5     90.2     96.0      9.8      4.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      386)
     229       82      149       55       55      339      238
```

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Updated May 20, 2011