VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/19/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       58,991
COMMITMENTS
   4,303   24,929    3,378   42,652   22,836   50,333   51,143    8,658    7,848

CHANGES FROM 02/12/08 (CHANGE IN OPEN INTEREST:      1,888)
     -89    1,212     -551    1,131    1,144      491    1,805    1,397       83

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     7.3     42.3      5.7     72.3     38.7     85.3     86.7     14.7     13.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       6       13        7        9        6       21       20
 

Updated February 22, 2008