QUEBEC CITY, May 16 /PRNewswire-FirstCall/ -- AEterna Zentaris Inc. (TSX: AEZ; Nasdaq: AEZS) today announced that Prof. Jurgen Engel, Executive Vice President, Global R&D and Chief Operating Officer of the Company, will present a corporate update at Bio Equity Europe 2006 on Tuesday, May 23, 2006, between 11:00 a.m. and 12:15 p.m. (local time), at the Marriott Hotel in Frankfurt, Germany. About AEterna Zentaris Inc. AEterna Zentaris Inc. is a growing global biopharmaceutical company engaged in the discovery, development and marketing of therapies for cancer and endocrine disorders. AEterna Zentaris also owns 48.29% of the equity of Atrium Biotechnologies Inc. (TSX: ATB.sv) and 64.7% of its voting rights. Atrium is a developer, manufacturer and marketer of science-based products for the cosmetics, pharmaceutical, chemical and nutritional industries. News releases and additional information are available at http://www.aeternazentaris.com/. DATASOURCE: AETERNA ZENTARIS INC. (FORMERLY/ANCIENNEMENT - LES LABORATOIRES AETERNA CONTACT: Media Relations: Paul Burroughs, (418) 652-8525 ext. 406, ; Investor Relations: Jenene Thomas, (418) 655-6420 or (908) 996-3154, ; 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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