Rua Bioscience Limited (“RUA”) – Trading Halt of Securities

Memorandum To: Market Participants From: NZX Product Operations Date: Wednesday, 8 July 2026 Subject: Rua Bioscience Limited (“RUA”) – Trading Halt of Securities Message: NZ RegCo, at the request of the issuer, has approved a trading halt application from Rua Bioscience Limited (“RUA”). Trading in RUA ordinary shares was halted before market open today. RUA’s trading halt application will be released shortly. Please contact NZX Product Operations on +64 4 496 2853 or productoperations@nzx.com with any queries. ENDS