```
VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders - Futures Only, October 4, 2011                 
-------------------------------------------------------------------------------------------------------------------
     :   Total  :                        Reportable Positions                                :   Nonreportable
     :----------------------------------------------------------------------------------------     Positions
     :   Open   :           Non-Commercial       :     Commercial      :       Total         :
     : Interest :   Long   :  Short   : Spreading:   Long   :  Short   :   Long   :  Short   :   Long   :  Short
-------------------------------------------------------------------------------------------------------------------
     :          : ($1000 X INDEX)                                                            :
     :          :                                                                            :
All  :   146,895:    18,323     24,636     37,355     76,467     67,792    132,145    129,783:    14,750     17,112
Old  :   146,895:    18,323     24,636     37,355     76,467     67,792    132,145    129,783:    14,750     17,112
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: September 27, 2011                   :
     :    -2,345:    -1,060        -42     -3,479      3,301     -2,692     -1,238     -6,213:    -1,107      3,868
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      12.5       16.8       25.4       52.1       46.1       90.0       88.4:      10.0       11.6
Old  :     100.0:      12.5       16.8       25.4       52.1       46.1       90.0       88.4:      10.0       11.6
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  :       101:        33         24         45         26         28         85         85:
Old  :       101:        33         24         45         26         28         85         85:
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  :                 35.7       30.4       45.9       45.1       18.8       20.4       23.6       26.7
Old  :                 35.7       30.4       45.9       45.1       18.8       20.4       23.6       26.7
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated October 7, 2011