 CHARLESTON, S.C., July 29, 2021 GLOBE NEWSWIRE -- Aeterna Zentaris Inc. NASDAQ: AEZS TSX: AEZS Aeterna or the Company, a specialty biopharmaceutical company developing and commercializing a diversified portfolio of pharmaceutical and diagnostic products, today announced that on July 28, 2021, the Company received notice from the Listing Qualifications Department the Staff of The Nasdaq Stock Market LLC Nasdaq indicating that, based upon a closing bid price of less than 1.00 per share for the Companys common stock for the prior 30 consecutive business day period, the Company no longer satisfies Nasdaq Listing Rule 5550a2 the Rule. 