VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/17/13          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      427,065
COMMITMENTS
  96,285  187,302   74,378  230,483  136,015  401,146  397,695   25,919   29,370

CHANGES FROM 09/10/13 (CHANGE IN OPEN INTEREST:     42,470)
   6,723   -1,718    8,239   26,154   33,763   41,116   40,284    1,354    2,186

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    22.5     43.9     17.4     54.0     31.8     93.9     93.1      6.1      6.9

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      166)
      52       66       61       36       37      121      138



Updated September 20, 2013