VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders - Futures Only, December 4, 2007                
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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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     :          : ($1000 X INDEX)                                                            :
     :          :                                                                            :
All  :    59,689:     6,148     20,229      5,354     42,359     29,756     53,861     55,339:     5,828      4,350
Old  :    59,689:     6,148     20,229      5,354     42,359     29,756     53,861     55,339:     5,828      4,350
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: November 27, 2007                    :
     :     1,119:       -12      9,475        517         35     -8,674        540      1,318:       579       -199
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.3       33.9        9.0       71.0       49.9       90.2       92.7:       9.8        7.3
Old  :     100.0:      10.3       33.9        9.0       71.0       49.9       90.2       92.7:       9.8        7.3
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  :        36:         6         18         13          9          6         26         28:
Old  :        36:         6         18         13          9          6         26         28:
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  :                 76.2       65.6       82.9       81.2       59.7       54.2       62.5       61.0
Old  :                 76.2       65.6       82.9       81.2       59.7       54.2       62.5       61.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 


Updated December 7, 2007