COSCIENS Comments on Unusual Market Activity

TORONTO, ONTARIO, April 07, 2026 (GLOBE NEWSWIRE) -- COSCIENS Biopharma Inc. (TSX: CSCI) (OTCQB: CSCIF) (“COSCIENS” or the “Company”) is issuing this news release in response to unusual market activity. While the Company does not normally comment on market activity or market speculation, the Company confirms that it is not aware of any material undisclosed information relating to the Company that would account for the recent increase in trading activity in, and trading price of, the Company's common shares.