VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/06/11          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      148,494
COMMITMENTS
  18,753   17,700   32,493   81,997   86,783  133,243  136,976   15,251   11,518

CHANGES FROM 11/29/11 (CHANGE IN OPEN INTEREST:      9,885)
  -1,682   -1,960    2,927    8,735    8,845    9,980    9,812      -95       73

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    12.6     11.9     21.9     55.2     58.4     89.7     92.2     10.3      7.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       82)
      28       21       28       26       24       71       60
 

Updated December 9, 2011