VIX FUTURES - CBOE FUTURES EXCHANGE
OPTION AND FUTURES COMBINED POSITIONS AS OF 03/01/05          |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  Long  | Short  |Spreads |  Long  | Short  |  Long  | Short  |  Long  | Short
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:        9,307
COMMITMENTS
   6,192      875      347      400    6,984    6,939    8,206    2,368    1,101

CHANGES FROM 02/22/05 (CHANGE IN OPEN INTEREST:        920)
     584      472       34      140      547      758    1,053      162     -133

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADER
    66.5      9.4      3.7      4.3     75.0     74.6     88.2     25.4     11.8

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       29)
      20        3        4        3        3       26        8
 

Updated March 4, 2005