VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 07/30/13          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      362,693
COMMITMENTS
  98,874  170,474   75,187  167,673   92,743  341,734  338,404   20,959   24,289

CHANGES FROM 07/23/13 (CHANGE IN OPEN INTEREST:      3,264)
   3,976   16,421       68   -1,089  -12,867    2,955    3,622      309     -358

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    27.3     47.0     20.7     46.2     25.6     94.2     93.3      5.8      6.7

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      168)
      48       74       75       36       30      130      139



Updated August 2, 2013