Changes to Regulation SHO Threshold Security List (Trade Date -03-29-07)

Additions:
COSWF
ESVIF
ISBL
LMRXF
OBPFF
PSDV
REFR
RUSS
RVBD
SMKG
SWTS
UVYZY
VLGAY
Subtractions:
ADPAJ
AMSW
CNCA
CPST
DSTV
EERG
FIRE
GNTA
HNLGY
IHLDY
IMJX
PWURF
QQQQ
RGDE
SWCEY
TKSRY
UWNK
YGCFF