VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/17/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      350,768
COMMITMENTS
  72,230  133,282   51,910  201,251  140,594  325,391  325,786   25,377   24,982

CHANGES FROM 07/10/12 (CHANGE IN OPEN INTEREST:     16,425)
  -8,933    7,638    6,174   15,433      679   12,674   14,491    3,751    1,934

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    20.6     38.0     14.8     57.4     40.1     92.8     92.9      7.2      7.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      147)
      43       61       67       30       34      115      127
 

Updated July 20, 2012