Aeterna Zentaris to Announce Third Quarter 2012 Financial and Operating Results on November 13, 2012

QUEBEC CITY, Nov. 7, 2012 /PRNewswire/ – Aeterna Zentaris Inc. (NASDAQ:
AEZS) (TSX: AEZ) (the “Company”) will announce its third quarter 2012
financial and operating results on Tuesday, November 13, 2012, after
market close. The Company will host a conference call the next morning,
Wednesday, November 14, 2012 at 8:30 a.m. (Eastern Time), to discuss
these results.

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

Aeterna Zentaris is an oncology and endocrinology drug development
company currently investigating treatments for various unmet medical
needs. The Company’s pipeline encompasses compounds at all stages of
development, from drug discovery through to marketed products. For more
information, please visit www.aezsinc.com.

SOURCE AETERNA ZENTARIS INC.