VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 08/13/13                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      441,586
COMMITMENTS
 106,359  219,503   78,039  229,700  116,316  414,098  413,858   27,488   27,728

CHANGES FROM 08/06/13 (CHANGE IN OPEN INTEREST:     39,041)
   7,182   15,929    4,279   24,124   16,035   35,585   36,243    3,456    2,798

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    24.1     49.7     17.7     52.0     26.3     93.8     93.7      6.2      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      182)
      54       78       71       38       35      137      147



Updated August 16, 2013