VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 02/28/06                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($100 X VBI)                                         OPEN INTEREST:       19,819
COMMITMENTS
   2,211    5,182      272   15,126   13,085   17,609   18,539    2,210    1,280

CHANGES FROM 02/21/06 (CHANGE IN OPEN INTEREST:      1,279)
     163       24       34      -46      205      151      263    1,128    1,016

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    11.2     26.1      1.4     76.3     66.0     88.8     93.5     11.2      6.5

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       33)
      15        5        6        7        4       27       14
 

Updated March 3, 2006