AEterna Zentaris To Present At Upcoming Bio Investor Forum In San Francisco And Bio Contact In Quebec City

QUEBEC CITY, Sept. 27 /PRNewswire-FirstCall/ - AEterna Zentaris Inc. today announced that Gilles Gagnon, President and Chief Executive Officer of the Company, will present a corporate update at Bio Contact on Thursday, October 5, 2006, at 9:30 a.m. ET, in the Frontenac Room of the Fairmont Le Chateau Frontenac Hotel in Quebec City, Canada.

Mr. Gagnon will also present a corporate update at Bio Investor Forum on Wednesday, October 18, 2006 at 1:00 p.m. Pacific Time, in the Twin Peaks South Room of the Palace Hotel in San Francisco. A live webcast of this presentation will be available on AEterna Zentaris' website at www.aeternazentaris.com in the Investors section. A replay will also be available for a period of 60 days.

About AEterna Zentaris Inc.

AEterna Zentaris Inc. is a growing global biopharmaceutical company focused on endocrine therapy and oncology, with proven expertise in drug discovery, development and commercialization.

AEterna Zentaris also owns 48.3% of the equity of Atrium Biotechnologies Inc. 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 www.aeternazentaris.com.

AETERNA ZENTARIS INC. (FORMERLY/ANCIENNEMENT - LES LABORATOIRES AETERNA LABORATORIES INC.)

CONTACT: Media Relations: Paul Burroughs, (418) 652-8525 ext. 406,paul.burroughs@aeternazentaris.com; Investor Relations: Jenene Thomas,(418) 655-6420 or (908) 996-3154, jenene.thomas@aeternazentaris.com

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