Changes to Regulation SHO Threshold Security List (Trade Date -03-20-07)

Additions:
CCGGY
ECUXF
FIRE
IGXT
NETL
NSRGY
QURAF
SMVD
STBUY
TBLC
ULUR
Subtractions:
ACCP
AURRF
GGTS
ILKG
MAUSY
MERAY
NAWL
NTMD
PAFBF
PCSV
RDUFF
TNVF
XFML