VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 07/15/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       52,415
COMMITMENTS
  11,618   12,830    5,097   27,831   27,941   44,546   45,868    7,869    6,547

CHANGES FROM 07/08/08 (CHANGE IN OPEN INTEREST:      4,079)
     859   -2,082    2,921     -343      974    3,437    1,813      642    2,266

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    22.2     24.5      9.7     53.1     53.3     85.0     87.5     15.0     12.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
      12        8       13        9        6       27       21
 

Updated July 18, 2008