VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 06/28/11                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      212,119
COMMITMENTS
  20,344   43,244   50,015  118,697   98,860  189,056  192,119   23,063   20,000

CHANGES FROM 06/21/11 (CHANGE IN OPEN INTEREST:     -3,452)
    -132      170    2,862   -4,017   -3,624   -1,287     -592   -2,165   -2,860

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     9.6     20.4     23.6     56.0     46.6     89.1     90.6     10.9      9.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      124)
      32       38       60       28       28      106      103
 

Updated July 1, 2011