```
  
 
SILVER - COMMODITY EXCHANGE INC.                                     Code-084691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/15/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 5,000 TROY OUNCES)                     OPEN INTEREST:      190,497
COMMITMENTS
  47,736    8,289   61,405   42,955  101,417  152,097  171,111   38,400   19,385

CHANGES FROM 03/08/11 (CHANGE IN OPEN INTEREST:      1,676)
  -3,647      563    2,221    1,579     -927      153    1,857    1,523     -181

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    25.1      4.4     32.2     22.5     53.2     79.8     89.8     20.2     10.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      199)
      99       40       64       40       49      162      134
 
 
COPPER-GRADE #1 - COMMODITY EXCHANGE INC.                            Code-085692
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/15/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 25,000 POUNDS)                         OPEN INTEREST:      134,871
COMMITMENTS
  46,193   22,831    7,492   66,453   88,957  120,138  119,280   14,733   15,590

CHANGES FROM 03/08/11 (CHANGE IN OPEN INTEREST:     -7,041)
  -2,910   -1,962   -1,462   -1,235   -4,663   -5,607   -8,087   -1,434    1,046

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.2     16.9      5.6     49.3     66.0     89.1     88.4     10.9     11.6

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      176)
      53       66       31       41       38      118      116
 
 
GOLD - COMMODITY EXCHANGE INC.                                       Code-088691
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/15/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
(CONTRACTS OF 100 TROY OUNCES)                       OPEN INTEREST:      735,415
COMMITMENTS
 251,258   45,643  168,449  238,750  492,485  658,457  706,577   76,958   28,838

CHANGES FROM 03/08/11 (CHANGE IN OPEN INTEREST:     -5,562)
 -17,342    3,116    6,349   16,082  -15,634    5,089   -6,169  -10,651      608

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    34.2      6.2     22.9     32.5     67.0     89.5     96.1     10.5      3.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      402)
     249       80      155       54       56      350      248
```

----

Updated March 18, 2011