BOSTON & PERTH, Australia--(BUSINESS WIRE)--June 22, 2006--Global bio-nanotech company pSivida Limited (NASDAQ:PSDV - News; ASX:PSD - News; Xetra:PSI - News) is pleased to announce that Dr. Paul Ashton will present at the Sachs Associates: London Biotech Investment Forum to be held at the London Stock Exchange on Thursday, June 22nd. Dr. Ashton will be providing an update on the Company's progress to professional members of the buyside and sellside investment communities.