Changes to Regulation SHO Threshold Security List (Trade Date -02-28-07)

Additions:
AGSI
AURC
AVRG
CBAK
CCBEF
CSCE
CYTR
ISOND
JNRRF
LECH
MSRM
NEOI
NTRZ
PTORF
PWCDF
TELK
TOMO
TRNP
WLFFF
WWSI
Subtractions:
AKSY
CUBA
CUUEF
DMLCF
GMXP
HFIT
NHPI
NVLT
ONSM
PTORF
QMMG
REFR
TNXI
TWCA
USEI
WMMVY