VIX FUTURES - CBOE FUTURES EXCHANGE                                  Code-1170E1
FUTURES ONLY POSITIONS AS OF 12/11/07                         |
--------------------------------------------------------------| NONREPORTABLE
      NON-COMMERCIAL      |   COMMERCIAL    |      TOTAL      |   POSITIONS
--------------------------|-----------------|-----------------|-----------------
  LONG  | SHORT  |SPREADS |  LONG  | SHORT  |  LONG  | SHORT  |  LONG  | SHORT
--------------------------------------------------------------------------------
($1000 X INDEX)                                      OPEN INTEREST:       62,050
COMMITMENTS
   5,970   18,018    5,068   41,792   31,379   52,830   54,465    9,220    7,585

CHANGES FROM 12/04/07 (CHANGE IN OPEN INTEREST:      2,361)
    -178   -2,211     -286     -567    1,623   -1,031     -874    3,392    3,235

PERCENT OF OPEN INTEREST FOR EACH CATEGORY OF TRADERS
     9.6     29.0      8.2     67.4     50.6     85.1     87.8     14.9     12.2

NUMBER OF TRADERS IN EACH CATEGORY (TOTAL TRADERS:       26)
       6        8        6        9        5       21       15
 

Updated December 14, 2007