VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 05/07/13          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      405,092
COMMITMENTS
 115,836  172,886   90,074  173,292  113,371  379,202  376,331   25,890   28,761

CHANGES FROM 04/30/13 (CHANGE IN OPEN INTEREST:     17,009)
  11,463    4,178    4,877     -624    7,954   15,716   17,009    1,293        0

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    28.6     42.7     22.2     42.8     28.0     93.6     92.9      6.4      7.1

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      168)
      53       65       71       36       34      129      141
 

Updated May 10, 2013