Tristel plc (TSTL) ShareSoc Growth Company Seminar Leeds, 14 April 2026

Tristel plc (TSTL) Tristel plc is a global infection prevention company focussed on the manufacture and supply of products using its unique proprietary chlorine dioxide (ClO2) chemistry. The Company is a market leader in manual decontamination of medical devices, supplying hospitals under the Tristel brand, and under the Cache brand provides products for sporicidal surface disinfection, in a format which is a sustainable alternative to commonly used pre-wetted plastic wipes. The Company has been listed on the London Stock Exchange's AIM market since 2005 (AIM: TSTL). Presenter: Anna Wasyl, Chief Financial Officer Anna is a dynamic and commercially focused CFO with a strong track record in multinational organisations and technology-driven sectors, including medical devices, robotics, and industrial automation. Anna has over 20 years of experience across publicly listed and venture-backed companies and joined Tristel from CMR Surgical, the Cambridge-based global surgical robotics business, where she served as Chief Commercial Partnerships and Operations Officer, having previously held the role of Group CFO.