Announcement PDF 1 www.ir.com Integrated Research Ltd > ABN 76 003 588 449 Suite 9.03, Level 9, 420 George Street, Sydney NSW 2000 Australia t: +61 (2) 9966 1066 e: InfoAP@ir.com Market Announcement Non-executive Director Resignation Sydney, 5 November 2026: Integrated Research Limited (ASX:IRI) today announces that Ms Kate Greenhill has advised of her intention to resign as a director of the Company by 28 February 2027. Ms Greenhill has been a director of Integrated Research since April 2024 and during her tenure, she served as Chair of the Audit and Risk Committee. Ms Greenhill’s contribution to Integrated Research is greatly appreciated by the Directors and Management. She will remain a director over the coming months to ensure a smooth handover to another non-executive director. This announcement is approved for release by the Chair of the Board. Leanne Ralph Company Secretary Integrated Research Limited ABN: 76 003 588 449 About IR At IR, we power elite business performance. Trusted by the world’s largest organizations for more than 30 years, our market-leading observability solutions are powered by Prognosis – the real-time intelligence platform built for multi-vendor infrastructure, UC&CX and payments environments. Find out more: www.ir.com.