Changes to Regulation SHO Threshold Security List (Trade Date -03-12-07)

Additions:
ANSW
EPEX
FAAC
FOSYF
FRNT
MBAY
PWURF
SHND
TSTC
VRDOQ
Subtractions:
CHIP
DLSL
FCPG
FRMSF
GBMR
GGBM
GLIF
IRBT
MSRM
PTORF
TBLEY
USAT
WBTO