COSCIENS Biopharma Special Shareholder Meeting Notice

COSCIENS Biopharma Inc. filed a Form 6-K report announcing that its board of directors passed a resolution to convene a Special Meeting of Shareholders and Management Proxy Circular on June 17, 2026 at 9:30 am Eastern time. The company, a foreign private issuer filing under Form 20-F, notified shareholders on or before May 21, 2026 about the meeting and provided them with a form of proxy. The filing includes two exhibits: Exhibit 99.1 is the Notice of Annual and Special Meeting of Shareholders and Management Proxy Circular dated May 18, 2026, and Exhibit 99.2 is the Form of Proxy. The report was signed by Giuliano La Fratta, Chief Financial Officer, on May 20, 2026. This filing represents routine corporate governance activity related to shareholder meetings and proxy materials.