Changes to Regulation SHO Threshold Security List (Trade Date - 04-18-07)

Additions:
ACMG
ADLR
AQUA
ARLP
CBEL
CLRC
CLWT
FRMSF
GENE
JCDS
NTIOF
OEGY
ONGO
PEYUF
QBYT
QURAF
SMNPF
TWLP
WLDSF
Subtractions:
ANLT
ASMI
BHUB
CMNZF
DMLCF
ECUXF
ESVIF
ICII
ISRY
JAGNF
LNOP
LPHC
NCTVF
PEGX
PEIX
PEYUF
PGIC
PGSW
RATE
RPTN
RUSS
SUHJY