VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 12/31/12          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      326,066
COMMITMENTS
  52,014  130,293   61,143  192,398  114,228  305,555  305,664   20,511   20,402

CHANGES FROM 12/24/12 (CHANGE IN OPEN INTEREST:     -4,128)
  -1,734  -12,490    2,554   -6,558    6,688   -5,738   -3,248    1,610     -880

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    16.0     40.0     18.8     59.0     35.0     93.7     93.7      6.3      6.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      141)
      52       47       60       30       31      114      113
 

Updated January 4, 2013