```
VIX FUTURES - CBOE FUTURES EXCHANGE                                                                     Code-1170E1
Commitments of Traders - Futures Only, May 24, 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  :   235,635:    25,608     45,959     46,329    141,435    124,811    213,372    217,099:    22,263     18,536
Old  :   235,635:    25,608     45,959     46,329    141,435    124,811    213,372    217,099:    22,263     18,536
Other:         0:         0          0          0          0          0          0          0:         0          0
     :          :                                                                            :
     :          :          Changes in Commitments from: May 17, 2011                         :
     :    -8,511:    -4,747      8,369      1,160      1,254    -16,714     -2,333     -7,185:    -6,178     -1,326
     :          :                                                                            :
     :          :    Percent of Open Interest Represented by Each Category of Trader         :
All  :     100.0:      10.9       19.5       19.7       60.0       53.0       90.6       92.1:       9.4        7.9
Old  :     100.0:      10.9       19.5       19.7       60.0       53.0       90.6       92.1:       9.4        7.9
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  :       124:        43         34         56         25         25        108         96:
Old  :       124:        43         34         56         25         25        108         96:
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  :                 45.7       33.8       52.6       47.3       34.5       27.6       38.8       36.0
Old  :                 45.7       33.8       52.6       47.3       34.5       27.6       38.8       36.0
Other:                  0.0        0.0        0.0        0.0        0.0        0.0        0.0        0.0
```

----

Updated May 27, 2011