Changes to Regulation SHO Threshold Security List (Trade Date - 04-19-07)

Additions:
CMLGF
COGO
CPMM
CSHD
CTICD
ECPG
GBAMF
GERI
HSOA
ILCO
MAMA
MSEM
MSRM
OSCI
PCSV
POOL
PWURF
QPSA
QQQQ
SMTR
VSHD
Subtractions:
APNO
COSWF
CVTX
DPBL
GLDS
HOVNP
IFLI
ISNPY
LMRA
PANL
SHRP
SSWC
TNCGF
TNMRY
TUEFF