SECURITY ADDITIONS DL Date Symbol Company Name Effective Date OATS Reportable Flag Comments 4/3/2009 IMSC Implant Sciences Corporation Common Stock 4/6/2009 Y From AMEX (IMX) 5/4/2009 IMSC Implant Sciences Corporation Common Stock 5/5/2009 Y From NBB (IMSC)**
SYMBOL CHANGES DL Date Date Old Symbol New Symbol/Name 5/29/2009 6/2/2009 IMSC IMSCE Implant Sciences Corporation Common Stock