AEterna Zentaris to Present at Upcoming Bio CEO and Wells Fargo Conferences in New York City QUEBEC CITY, Feb. 14 /PRNewswire-FirstCall/ -- AEterna Zentaris Inc. (TSX: AEZ; Nasdaq: AEZS) today announced that Gilles Gagnon, President and Chief Executive Officer of the Company, will present a corporate update at the Bio CEO & Investor Conference 2005 on Wednesday, February 23, 2005, at 2:00 p.m. ET, in the Basildon room of the Waldorf-Astoria Hotel in New York City. Furthermore, on Tuesday, March 1, 2005, at 9:00 a.m. ET, Mr. Gagnon will present a corporate update at the Wells Fargo Conference in the Fontainebleau room of the St. Regis Hotel in New York City. A live webcast of both these presentations will be available on AEterna Zentaris' website in the Investors section at http://www.aeternazentaris.com/ About AEterna Zentaris Inc. AEterna Zentaris Inc. is an oncology and endocrine therapy focused biopharmaceutical company with proven expertise in drug discovery, development and commercialization. The Company's broad 20 product pipeline leverages five different therapeutic approaches, including LHRH antagonists and signal transduction inhibitors. The lead LHRH antagonist compound, cetrorelix, is currently marketed for in vitro fertilization under the brand name Cetrotide(R), and has successfully completed a broad Phase II program in endometriosis and benign prostatic hyperplasia (BPH). The lead signal transduction inhibitor compound, perifosine, is an orally-active AKT inhibitor that is in several Phase II trials for multiple cancers. AEterna Zentaris also owns 61.1% of Atrium Biotechnologies Inc., an international company that develops, manufactures and markets added-value products for the cosmetics, pharmaceutical, chemical and nutritional industries. News releases and additional information about AEterna Zentaris are available on its Web site http://www.aeternazentaris.com/ . Forward-Looking Statements This press release contains forward-looking statements made pursuant to the safe harbor provisions of the U.S. Securities Litigation Reform Act of 1995. Forward-looking statements involve known and unknown risks and uncertainties, which could cause the Company's actual results to differ materially from those in the forward-looking statements. Such risks and uncertainties include, among others, the availability of funds and resources to pursue R&D projects, the successful and timely completion of clinical studies, the ability of the Company to take advantage of business opportunities in the pharmaceutical industry, uncertainties related to the regulatory process and general changes in economic conditions. Investors should consult the Company's quarterly and annual filings with the Canadian and U.S. securities commissions for additional information on risks and uncertainties relating to the forward-looking statements. Investors are cautioned not to rely on these forward-looking statements. The Company does not undertake to update these forward-looking statements. DATASOURCE: AETERNA ZENTARIS INC. (FORMERLY/ANCIENNEMENT - LES LABORATOIRES AETERNA CONTACT: Media Relations, Paul Burroughs, (418) 652-8525 ext. 406, ; Investor Relations, Ginette Vallieres, (418) 652-8525, ext. 265, ; Europe Matthias Seeber +49-6942602-3425 ; To request a free copy of this organization's annual report, please go to http://www.newswire.ca/ and click on reports@cnw.

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