Notice of Results

Tristel plc

(“Tristel” or the “Company”)

Notice of Results

Analyst & Investor briefing schedule

Tristel plc (AIM: TSTL), the manufacturer of infection prevention products, announces that it will report its financial results for the year ended 30 June 2026 on Monday 19 October 2026.

Analysts briefing

A briefing open to analysts will take place in London on Monday 19 October 2026 at 9:30am. To register and for more details please contact Walbrook PR on [email protected].

Investor presentation

Chris Lee, CEO, and Anna Wasyl, CFO, will present the Company's results in two separate events open to all investors. The same presentation will be given at both events which are being held at different times to offer convenient options for those wishing to attend. 

Two presentations will take place on Monday 19 October 2026 at the following times, the first will be held online via the Investor Meet Company platform and the second will be held in-person in the City of London, full details below: 

1. Investor Meet Company online presentation 

Tristel management will provide a live online presentation relating to the financial results via Investor Meet Company at 11:00am. The presentation is open to all existing and potential shareholders. Questions can be submitted pre-event via your Investor Meet Company dashboard up until 9:00am the day before the meeting or at any time during the live presentation. 

Investors can sign up to Investor Meet Company for free and add to meet Tristel plc via: 

https://www.investormeetcompany.com/tristel-plc/register-investor 

2. In-person investor presentation 

Tristel management will provide an in-person presentation relating to the Company's financial results at 4:30pm, which is open to all existing and potential shareholders. The Company welcomes investors from 4:15pm for a prompt 4.30pm start and will be followed by refreshments. 

If you would like to attend, please contact Walbrook PR for more details on 020 7933 8780 or email [email protected].

The results presentation will be made available on the Company’s website on the day of results - https://investors.tristel.com/

Chris Lee, Chief Executive Officer of Tristel commented: “I’m pleased to have the opportunity to present Tristel’s results to the market and our shareholders for the first time in my new role as Chief Executive Officer. I look forward to discussing our performance, as well as sharing my vision for the Company’s future. I also hope to welcome as many of our investors as possible to the investor presentation and would encourage shareholders to register.”

For further information please contact:

About Tristel plc

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 with products under the Tristel brand, which also encompasses its sporicidal surface disinfection range offered as a sustainable alternative to commonly used pre‑wetted plastic wipe.

Tristel’s head office and manufacturing facility is located in Snailwell, near Cambridge, and operates globally employing approximately 270 people across 16 subsidiaries selling into 40+ countries. The Company targets delivering double-digit revenue growth annually, an adjusted EBITDA margin of at least 25% and a continuing progressive year-on-year growth in dividends, underpinned by robust cash generation.

The Company has been listed on the London Stock Exchange’s AIM market since 2005 (AIM: TSTL).

For more information about Tristel’s product range please visit: https://tristel.com