VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders - Futures Only, May 25, 2010                    
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : ($1000 X INDEX)                                                            :
     :          :                                                                            :
All  :    77,090:     2,908      8,152      3,637     62,337     52,933     68,882     64,722:     8,208     12,368
Old  :    77,090:     2,908      8,152      3,637     62,337     52,933     68,882     64,722:     8,208     12,368
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 18, 2010                         :
     :   -19,881:       505     -1,625        106    -15,705    -15,854    -15,094    -17,373:    -4,787     -2,508
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:       3.8       10.6        4.7       80.9       68.7       89.4       84.0:      10.6       16.0
Old  :     100.0:       3.8       10.6        4.7       80.9       68.7       89.4       84.0:      10.6       16.0
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  :        45:         3         13         10         21         26         32         41:
Old  :        45:         3         13         10         21         26         32         41:
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  :                 72.4       32.7       81.8       48.4       44.5       15.1       48.7       22.3
Old  :                 72.4       32.7       81.8       48.4       44.5       15.1       48.7       22.3
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
 


Updated May 28, 2010