Company:  AETERNA ZENTARIS INC. (AEZS)
Form Type:  6-K
Filing Date:  5/19/2011 
CIK:  0001113423 
Address:  1405 BOUL DU PARC TECHNOLOGIQUE
QUEBEC
 
City, State, Zip:  QUEBEC,  GIP 4P5 
Telephone:  418 652 8525 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$2.06  
Change: 
-0.041 (-1.95%)  
Trade Time: 
12:31 PM EST  
Market Cap: 
$52.15M
Description of Business
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  FORM 6-K
    SIGNATURE
  EXHIBIT 99.1