VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 10/16/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      424,977
COMMITMENTS
  72,953  160,371   68,558  256,874  169,671  398,385  398,600   26,592   26,377

CHANGES FROM 10/09/12 (CHANGE IN OPEN INTEREST:     20,888)
   3,325    2,620   -1,548   17,176   18,985   18,953   20,057    1,935      831

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.2     37.7     16.1     60.4     39.9     93.7     93.8      6.3      6.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      170)
      53       62       79       38       40      140      145
 

Updated June 29, 2007