19 November 2025

Metir plc

("Metir" or the "Company")

Appointment of Chief Financial Officer and Business Development Team

Leadership and commercial capability strengthened to accelerate UK and international growth

Metir plc (AIM: MET), the leading global provider of fast response mobile and point-of-use water and environmental testing technology, is pleased to announce the appointment of Claire Smith as Chief Financial Officer with immediate effect, alongside key hires to grow its business development function.  All appointments are non-Board at this time.

Claire brings over 25 years of financial and operational experience. Most recently, she served as Chief Executive Officer and previously as Chief Financial Officer and Company Secretary of Zytronic plc, an AIM-listed manufacturer of touch sensor products. During her tenure, she led finance, HR and IT functions. Before her role at Zytronic, Claire held finance positions with the NAAFI and Procter & Gamble, working both in the UK and Germany.

Claire holds a B.A. (Hons) degree in Business and Finance from Northumbria University. She qualified as a Chartered Management Accountant in 2006 and obtained a Certificate in International Cash Management in 2011.

To accelerate growth and capitalise on new opportunities in the UK and internationally, Metir has also established a dedicated business development function, comprising a new Business Development Manager and Technical Support Specialist. This new team will focus on driving sales of Metir's LX, FX and Continuous Toxicity Monitoring ("CTM") product lines and expanding the Group's international distributor network, with a target to more than double its distributor base within the next 12 months. Strengthened technical support will also enable improved customer engagement, increased instrument utilisation and reagent consumption, thereby driving higher recurring revenue.

Bob Moore, Executive Chairman and Chief Executive Officer of Metir, commented:

"We are delighted to welcome Claire to Metir. Her extensive financial and operational expertise will  strengthen the Group's management, control and reporting, as we develop and execute our growth strategy.

The creation of a new business development function marks an important step in enhancing our commercial reach, expanding internationally, building a global brand and delivering long-term shareholder value."

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About Metir

Metir plc is a leading global provider of fast response, mobile and point-of-use water and environmental testing technology. Through its two established trading divisions, Modern Water and Microsaic Systems, the Company develops and supplies innovative, easy-to-use solutions that deliver rapid, accurate water quality results, helping industries, utilities and regulators monitor safety and compliance in real time.

With a strong focus on data-driven insight and field-ready design, Metir's technology supports critical decision-making across sectors, including environmental monitoring, public health and industrial process management.

Headquartered in York, UK, Metir serves worldwide customers and is dedicated to advancing water testing standards through innovative, accessible solutions.

For more information, please visit: https://www.metirplc.com