Toronto, Ontario and Chicago, Illinois--(Newsfile Corp. - April 15, 2026) - Medexus Pharmaceuticals (TSX: MDP) (OTCQX: MEDXF) today provided an operational business update on the ongoing commercialization of GRAFAPEX™ (treosulfan) for Injection in the United States and on certain recent capital allocation and capital structure developments and announced company management's participation in two upcoming investor conferences. All dollar amounts in this news release are in US dollars unless specified otherwise.