VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 02/21/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      204,578
COMMITMENTS
  64,836   69,514   18,906  100,056   98,141  183,798  186,561   20,780   18,017

CHANGES FROM 02/14/12 (CHANGE IN OPEN INTEREST:     -4,976)
  21,155    8,288   -8,121  -12,342   -2,570      692   -2,403   -5,668   -2,573

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    31.7     34.0      9.2     48.9     48.0     89.8     91.2     10.2      8.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       96)
      30       26       25       26       28       70       71
 

Updated February 24, 2012