```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      156,119
COMMITMENTS
  27,392   14,705   45,625   60,821   78,551  133,838  138,881   22,282   17,238

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:      5,883)
  -1,023      785    5,003    2,153     -548    6,133    5,240     -250      643

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.5      9.4     29.2     39.0     50.3     85.7     89.0     14.3     11.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      171)
      67       50       67       42       43      140      133
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      148,020
COMMITMENTS
  41,857   45,715   13,127   81,902   67,319  136,886  126,161   11,134   21,859

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:      3,368)
  -1,062    6,327     -264    3,361   -4,008    2,035    2,055    1,333    1,313

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.3     30.9      8.9     55.3     45.5     92.5     85.2      7.5     14.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      209)
      56       92       42       45       45      120      165
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/15/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      699,370
COMMITMENTS
 156,510   52,686  186,703  296,483  427,435  639,696  666,824   59,674   32,546

CHANGES FROM 05/08/12 (CHANGE IN OPEN INTEREST:     31,753)
  -8,778    8,377   14,887   26,516    6,271   32,624   29,535     -871    2,218

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.4      7.5     26.7     42.4     61.1     91.5     95.3      8.5      4.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      347)
     169      102      155       62       56      295      255
```

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Updated May 21, 2012