VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 01/29/08                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       54,014
COMMITMENTS
   5,550   22,699    2,972   40,390   23,265   48,912   48,936    5,102    5,078

CHANGES FROM 01/22/08 (CHANGE IN OPEN INTEREST:     -2,094)
     193      544      649    2,084    1,611    2,926    2,804   -5,020   -4,898

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
    10.3     42.0      5.5     74.8     43.1     90.6     90.6      9.4      9.4

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       30)
       6       14        8        9        5       22       21
 

Updated February 1, 2008