Change of Registered Office and Address for Service

Rua Bioscience Limited (NZX: RUA) advises that, effective from 20 August 2025, the company’s registered office and address for service will change as follows: New Registered Office 704 Te Araroa Road RD3 Ruatoria 4083 New Zealand New Address for Service 38 Commerce Place Gisborne 4071 New Zealand The Company’s address for communications, the address of its share registrar, and its contact details (including email and website) remain unchanged. This change is made in accordance with NZX Listing Rule 3.21.1. ENDS     The person who authorised this announcement: Paul Naske Chief Executive Officer paul.naske@ruabio.com +64 21 445154