VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/09/13          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      438,715
COMMITMENTS
 123,754  193,407   68,574  218,923  146,130  411,251  408,111   27,464   30,604

CHANGES FROM 04/02/13 (CHANGE IN OPEN INTEREST:     19,591)
  -2,964   -1,584      232   21,255   20,904   18,523   19,552    1,068       39

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.2     44.1     15.6     49.9     33.3     93.7     93.0      6.3      7.0

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      176)
      53       68       79       36       34      142      143
 

Updated April 17, 2013