```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      187,301
COMMITMENTS
  30,306    6,266   71,856   51,271   93,501  153,434  171,623   33,868   15,679

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:     -7,225)
  -1,667   -1,462   -7,335    2,284    1,393   -6,717   -7,403     -508      178

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.2      3.3     38.4     27.4     49.9     81.9     91.6     18.1      8.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      197)
     100       34       81       40       47      172      138
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      124,047
COMMITMENTS
  29,163   19,183   14,851   66,746   74,300  110,760  108,334   13,287   15,713

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:      3,061)
     781   -3,171      766      926    5,923    2,473    3,518      588     -457

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.5     15.5     12.0     53.8     59.9     89.3     87.3     10.7     12.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      173)
      54       55       48       47       41      127      128
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/31/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      715,858
COMMITMENTS
 261,494   38,510  145,340  232,055  505,238  638,888  689,088   76,969   26,770

CHANGES FROM 05/24/11 (CHANGE IN OPEN INTEREST:   -115,516)
   6,038   -3,431  -71,823  -48,113  -34,727 -113,898 -109,981   -1,618   -5,535

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    36.5      5.4     20.3     32.4     70.6     89.2     96.3     10.8      3.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      363)
     231       61      118       50       53      313      203
```

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Updated June 3, 2011