Changes to Regulation SHO Threshold Security List (Trade Date - 04-27-07)

Additions:
CBAY
CBPC
CPOKY
GHBBU
JSAIY
MLXO
NESS
NEST
PICO
QTEK
SCGLY
SSWC
TRLG
TRNP
UCNN
Subtractions:
CTPMF
DALRQ
DRRAQ
ECPG
EDNE
ETEL
IMJX
LMRXF
MSRM
OTIV
PCYC
PWURF
QPSA
SWTS
VSHD