Aeterna Zentaris to Present at Upcoming Rodman & Renshaw Annual Global
Investment Conference on May 18, 2010

QUÉBEC CITY, May 11 /CNW Telbec/ - Aeterna Zentaris Inc. (NASDAQ: AEZS, TSX: AEZ), ("the Company") a late-stage drug development company specialized in oncology and endocrinology, today announced that its President and CEO, Juergen Engel, Ph.D., will present a corporate overview at the upcoming Rodman & Renshaw Annual Global Investment Conference on Tuesday, May 18, 2010 at 9:00 a.m. (local time) in the Albemarie Suite of the Grosvenor House Hotel in London, U.K.

A live webcast of the presentation will be available on Aeterna Zentaris' website at www.aezsinc.com in the Investors section. A replay will also be available for a period of 30 days on the Company's website.

About Aeterna Zentaris Inc.

Aeterna Zentaris Inc. is a late-stage drug development company specialized in oncology and endocrinology. News releases and additional information are available at www.aezsinc.com.

For further information: Investor Relations: Ginette Vallières, Investor Relations Coordinator, [phone] ext. 265, [email protected]; Media Relations: Paul Burroughs, Director of Communications, [phone] ext. 406, [email protected]