Announcement PDF Neurizon Therapeutics Limited ABN 35 094 006 023 www.neurizon.com 24 September 2025 Section 708A Cleansing Statement This notice is given by Neurizon Therapeutics Limited ACN 094 006 023 (ASX: NUZ) (Company) under section 708A(5)(e) of the Corporations Act 2001 (Cth) (Corporations Act). The Company hereby confirms that: (a) it has today issued a total of 42,249,999 fully paid ordinary shares (Shares) at an issue price of $0.12 (12 cents) per Share, in relation to the Placement to new and existing institutional and professional investors as announced on 18 September 2025; (b) the Shares were issued without disclosure to investors under Part 6D.2 of the Corporations Act; (c) the Company is providing this notice under paragraph (5)(e) of section 708A of the Corporations Act; (d) as at the date of this notice the Company, as a disclosing entity under the Corporations Act, has complied with: (i) the provisions of Chapter 2M of the Corporations Act as they apply to the Company; and (ii) sections 674 and 674A of the Corporations Act; and (e) as at the date of this notice, there is no “excluded information” of the type referred to in sections 708A(7) and 708A(8) of the Corporations Act. -EndsThis announcement is authorised for release by the Board of Directors of Neurizon Therapeutics Limited. For further information, please contact: Dr. Michael Thurn Managing Director and Chief Executive Officer Neurizon Therapeutics Limited enquiries@neurizon.com +61 (3) 9692 7222 Lidija Damjanovic Head of Marketing and Corporate Affairs Neurizon Therapeutics Limited lidija@neurizon.com +61 (0) 425 700 504 Released through: Henry Jordan, Six Degrees Investor Relations, +61 (0) 431 271 538 About Neurizon Therapeutics Limited Neurizon Therapeutics Limited (ASX: NUZ) is a clinical-stage biotechnology company dedicated to advancing treatments for neurodegenerative diseases. Neurizon is developing its lead drug candidate, NUZ-001, for the treatment of ALS, which is the most common form of motor neurone disease. Neurizon’s strategy is to accelerate access to effective ALS treatments for patients while exploring the potential of NUZ-001 for broader neurodegenerative applications. Through international collaborations and rigorous clinical programs, Neurizon is dedicated to creating new horizons for patients and families impacted by complex neural disorders. Suite 2, Level 11, 385 Bourke Street, Melbourne, VIC 3000 Tel: +61 3 9692 7222 Neurizon Investor Hub We encourage you to utilise our Investor Hub for any enquiries regarding this announcement or other aspects concerning Neurizon. This platform offers an opportunity to submit questions, share comments, and view video summaries of key announcements. To access Neurizon Investor Hub please scan the QR code or visit https://investorhub.neurizon.com Neurizon® is a registered trademark of Neurizon Therapeutics Limited Suite 2, Level 11, 385 Bourke Street, Melbourne, VIC 3000 Tel: +61 3 9692 7222