VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 04/15/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       52,640
COMMITMENTS
   8,814   23,773    3,229   30,307   21,765   42,350   48,767   10,290    3,873

CHANGES FROM 04/08/08 (CHANGE IN OPEN INTEREST:      1,669)
     603    1,475     -456      697      404      844    1,423      825      246

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    16.7     45.2      6.1     57.6     41.3     80.5     92.6     19.5      7.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
      12        8        9        9        5       26       17
 

Updated April 18, 2008