Aeterna Zentaris to Announce Fourth Quarter and Full Year 2011 Financial and Operating Results on March 27, 2012

QUEBEC CITY, March 20, 2012 /CNW Telbec/ - Aeterna Zentaris Inc. (NASDAQ: AEZS) (TSX: AEZ) (the "Company") will announce its fourth quarter and full year 2011 financial and operating results on Tuesday, March 27, 2012. The Company will host a conference call and webcast to discuss these results on Wednesday, March 28 at 8:30 a.m., Eastern Time.

Participants may access the live webcast via the Company's website at www.aezsinc.com in the "Newsroom" section, or by telephone using the following numbers: in Canada, 514-807-9895 or 647-427-7450, outside Canada, 888-231-8191. A replay of the webcast will also be available on the Company's website for a period of 30 days.

About Aeterna Zentaris Inc.

Aeterna Zentaris is a late-stage oncology drug development company currently investigating potential treatments for various cancers including colorectal, multiple myeloma, endometrial, ovarian, prostate and bladder cancer. The Company's innovative approach of "personalized medicine" means tailoring treatments to a patient's specific condition and to unmet medical needs. Aeterna Zentaris' deep pipeline is drawn from its proprietary discovery unit providing the Company with constant and long-term access to state-of-the-art therapeutic options. For more information please visit www.aezsinc.com.

Investor Relations
Ginette Beaudet Vallières
Investor Relations Coordinator
[phone] ext. 265
[email protected]

Media Relations
Paul Burroughs
Director of Communications
[phone] ext. 406
[email protected]