VILLA GUARDIA (COMO), Italy--(BUSINESS WIRE)--May 16, 2006--Gentium S.p.A. (NASDAQ:GENT - News; AMEX:GNT - News; the Company) today announced that its American Depository Shares (ADSs) will be listed and begin trading today on the NASDAQ National Market System under the symbol: GENT. Gentium ADSs will no longer be listed on the American Stock Exchange.
