AEterna Zentaris To Present At Upcoming CIBC Biotechnology & Specialty Pharmaceuticals Conference In New York And Biotechnology Industry Organization (BIO) 2006 In Chicago

QUEBEC CITY, March 29 /PRNewswire-FirstCall/ - AEterna Zentaris Inc. today announced that Gilles Gagnon, President and Chief Executive Officer of the Company, will present a corporate update at CIBC Biotechnology & Specialty Pharmaceuticals Conference on Wednesday, April 5, 2006, at 9 a.m. ET, in Room 3.05 of the Millennium Broadway Hotel in New York City.

Mr. Gagnon will also present a corporate update at the Bio 2006 Conference on Tuesday, April 11, 2006, at 10 a.m. CT, in room A, McCormick Place South, Level 3, Exhibit Hall A in Chicago. A live webcast of this presentation will be available on AEterna Zentaris' website in the Investors section at www.aeternazentaris.com.

Furthermore, Mr. Gagnon will be part of a panel, entitled, "Uncovering Opportunities in Emerging Markets - Innovative Strategies to Address Global Health and Improve Shareholder Value", on April 10th, from 9:15 - 10:45 a.m CT, in Chicago. This panel will be held at the McCormick Place Convention Center, 2301 Lake Shore Drive in Chicago.

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 48.4% of the equity of Atrium Biotechnologies Inc. and 64.8% 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

CONTACT: Media Relations: Paul Burroughs, (418) 652-8525 ext. 406,paul.burroughs@aeternazentaris.com; Investor Relations: Jenene Thomas,(418) 655-6420, (908) 996-3154, jenene.thomas@aeternazentaris.com; Torequest a free copy of this organization's annual report, please go tohttp://www.newswire.ca and click on reports@cnw.

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