VIX FUTURES - CBOE FUTURES EXCHANGE                                                                           
Commitments of Traders with Delta-adjusted Options and Futures Combined, March 1, 2005                   
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     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
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     :          : ($100 X VBI)                                                               :
     :          :                                                                            :
All  :     9,307:     6,192        875        347        400      6,984      6,939      8,206:     2,368      1,101
Old  :     9,307:     6,192        875        347        400      6,984      6,939      8,206:     2,368      1,101
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: February 22, 2005                    :
     :       920:       584        472         34        140        547        758      1,053:       162       -133
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      66.5        9.4        3.7        4.3       75.0       74.6       88.2:      25.4       11.8
Old  :     100.0:      66.5        9.4        3.7        4.3       75.0       74.6       88.2:      25.4       11.8
Other:     100.0:       0.0        0.0        0.0        0.0        0.0        0.0        0.0:       0.0        0.0
     :          :                                                                            :
     :# Traders :              Number of Traders in Each Category                            :
All  :        29:        20          3          4          3          3         26          8:
Old  :        29:        20          3          4          3          3         26          8:
Other:         0:         0          0          0          0          0          0          0:
     :----------------------------------------------------------------------------------------------------
     :             Percent of Open Interest Held by the Indicated Number of the Largest Traders
     :                          By Gross Position                       By Net Position
     :               4 or Less Traders     8 or Less Traders     4 or Less Traders     8 or Less Traders
     :                 Long:     Short       Long      Short:      Long      Short       Long      Short
     :----------------------------------------------------------------------------------------------------
All  :                 44.5       84.0       57.0       88.2       44.5       82.5       56.9       82.9
Old  :                 44.5       84.0       57.0       88.2       44.5       82.5       56.9       82.9
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 
 

Updated March 4, 2005