Quotation Notice - Rua Bioscience Limited (“RUARC") Rights

QUOTATION NOTICE: NZX MAIN BOARD RUA BIOSCIENCE LIMITED (“RUA”) RIGHTS Issuer: Rua Bioscience Limited (“RUA”) Ticker Code: RUARC ISIN: NZRUAE0007S4 Details of Issue: A pro-rata renounceable rights issue of 1 New Share for every 3 Existing Shares held on the Record Date, with fractional Entitlements being rounded down to the nearest share. Ratio (New: Existing): 1 : 3 Exercise Price: NZ$0.025 per new share Reference Price: Calculated as head share price prior to quotation minus the Exercise Price Issue Price Payable: In full on application Registrar: Computershare Investor Services Limited Settlement Status: NZCDC Settlement System Key Dates Ex Rights Date: Monday, 28 September 2026 Rights Commence Trading: Monday, 28 September 2026 Record Date: Tuesday, 29 September 2026 Letters of Entitlement mailed to Shareholders: Wednesday, 30 September 2026 Offer Opens: Wednesday, 30 September 2026 Rights Quotation Ceases: Friday, 9 October 2026 Offer Closes: Thursday, 15 October 2026 Allotment and commencement of trading of New Shares: Wednesday, 21 October 2026 Hishaam Mirza Chief Executive Officer NZX Limited 22 September 2026