Changes to Regulation SHO Threshold Security List (Trade Date 12-20-06)

Additions:
CTHH
DNYFF
ECPG
GGBM
GSCR
NRIFF
PLMA
VEXP
WCTXF
Subtractions:
CHDX
CKGR
CSCT
DSNY
FSMOW
HCTL
IPMG
ITEC
IXSBF
JAGNF
JUNI
MIGO
MWII
OBPFF
PEEF
PRFN
PTQMF
SGTB
SSTR
VSNI