VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/03/07          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       49,924
COMMITMENTS
   8,681   12,135    3,690   28,768   27,765   41,139   43,590    8,785    6,334

CHANGES FROM 06/26/07 (CHANGE IN OPEN INTEREST:        382)
     585    1,637       26    2,787      848    3,398    2,511   -3,016   -2,129

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    17.4     24.3      7.4     57.6     55.6     82.4     87.3     17.6     12.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       38)
      19        9       10        8        6       33       19
 

Updated July 9, 2007