VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/08/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       50,971
COMMITMENTS
   8,211   22,298    3,685   29,610   21,361   41,506   47,344    9,465    3,627

CHANGES FROM 04/01/08 (CHANGE IN OPEN INTEREST:      3,248)
   3,859     -946     -553      104    6,348    3,410    4,849     -162   -1,601

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.1     43.7      7.2     58.1     41.9     81.4     92.9     18.6      7.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
      13        7        8        9        6       26       17
 

Updated April 11,2008