VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 04/30/13          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:      388,083
COMMITMENTS
 104,373  168,708   85,197  173,916  105,417  363,486  359,322   24,597   28,761

CHANGES FROM 04/23/13 (CHANGE IN OPEN INTEREST:      6,492)
   9,033    2,995   12,845  -16,026  -11,624    5,852    4,216      640    2,276

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    26.9     43.5     22.0     44.8     27.2     93.7     92.6      6.3      7.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:      165)
      54       63       76       36       34      134      140
 

Updated May 3, 2013