VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/04/08          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       49,905
COMMITMENTS
   4,839   22,937    4,452   33,327   17,872   42,618   45,261    7,287    4,644

CHANGES FROM 02/26/08 (CHANGE IN OPEN INTEREST:      1,062)
     202      220      682     -645     -539      239      363      823      699

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
     9.7     46.0      8.9     66.8     35.8     85.4     90.7     14.6      9.3

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       32)
       9       12        9       10        5       26       20
 

Updated March 7, 2008