COSCIENS COMPLETES SECOND TRANCHE OF CONVERTIBLE DEBENTURE OFFERING

TORONTO, ONTARIO, Sept. 16, 2026 (GLOBE NEWSWIRE) -- COSCIENS Biopharma Inc. (TSX: CSCI) (OTCQB: CSCIF) (“COSCIENS” or the “Company”) is pleased to announce, further to the press release dated September 10, 2026, the closing of the second tranche of a non-brokered private placement of the 15% unsecured convertible debentures (the “Offering”).