VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 09/10/13          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      384,595
COMMITMENTS
  89,562  189,020   66,139  204,329  102,252  360,030  357,411   24,565   27,184

CHANGES FROM 09/03/13 (CHANGE IN OPEN INTEREST:     29,168)
   5,168      738   -1,818   23,722   26,223   27,072   25,143    2,096    4,025

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    23.3     49.1     17.2     53.1     26.6     93.6     92.9      6.4      7.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      164)
      47       67       63       37       36      119      138



Updated September 13, 2013