Changes to Regulation SHO Threshold Security List (Trade Date 09-21-06)

Additions:

AMBYP
CHHH
DXPE
GRVY
INRTF
IPIXQ
ISHM
MFCAF
MFNC
NVAX
OTCI
RBAKW
SXRFF
VEXP


Subtractions:

ARCAF
ARCFF
BHUB
HMGN
ISRY
MAUXF
NGAS
ONEI
PNPFF
RCCC
SATC
SOLAF
WCHG