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17 August 2026 ASX Announcement Appendix 4E and Annual Results for the financial year ended 30 June 2026 GWA Group Limited ABN 15 055 964 380 www.gwagroup.com.au Level 24 100 Mount Street North Sydney NSW 2060 In accordance with ASX Listing Rule 4.3A and the Corporations Act 2001 ( Cth ) , GWA Group Limited ( GWA ) attaches the following documentation for immediate release to the market for the financial year ended 30 June 2026 : 1 ) Appendix 4E ; 2 ) Managing Director's Review of Operations ; 3 ) Directors ' Report ( including Remuneration Report ) ; 4 ) Financial Report ; and 5 ) Independent Auditor's Report . On 17 August 2026 at 10.00 am ( AEST ) , GWA is hosting a webcast of its FY2026 results briefing . The webcast is accessible via GWA's website at www.gwagroup.com.au . This announcement is authorised by the Board . Yours faithfully Ernie Lagis Ernie Lagis Company Secretary and General Counsel