VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/05/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       55,094
COMMITMENTS
   5,378   23,610    2,619   40,500   22,213   48,497   48,442    6,597    6,652

CHANGES FROM 01/29/08 (CHANGE IN OPEN INTEREST:      1,080)
    -172      911     -353      110   -1,052     -415     -494    1,495    1,574

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.8     42.9      4.8     73.5     40.3     88.0     87.9     12.0     12.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       28)
       5       13        7       10        6       22       19
 

Updated February 8, 2008