VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 08/28/07                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       62,933
COMMITMENTS
   5,751    9,998   12,349   39,397   36,079   57,497   58,426    5,436    4,507

CHANGES FROM 08/21/07 (CHANGE IN OPEN INTEREST:    -21,576)
  -3,395   -6,918   -4,617  -10,839   -5,130  -18,851  -16,665   -2,725   -4,911

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     9.1     15.9     19.6     62.6     57.3     91.4     92.8      8.6      7.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       37)
      11       13       10       11        9       28       27
 

Updated August 31, 2007