Changes to Regulation SHO Threshold Security List (Trade Date - 04-30-07)

Additions:
ACTC
CDEVY
CFPC
CGLD
CLLDY
GFET
GSCT
IMMU
NETTQ
PLRS
SHNDW
SWPOF
TMIRF
Subtractions:
ADES
CBEL
CSHD
DNAG
ENCY
FLIP
GENE
HKRIQ
LIPD
MSMWE
MTRAF
MXWL
NTIOF
OPXA
OXMI
PDEP
PHDT
QURAF
SLHJ
TFZP
UCHB
VLCCF