Issue of Shares

Modern Water plc

("Modern Water", "the Company" or "the Group")

Issue of Shares

Modern Water plc, the owner of world-leading technologies for water and wastewater treatment and for water quality monitoring announces that it has today issued 100,000 new ordinary shares ("New Shares") under the Company's share incentive plan to the estate of a deceased employee of the Company.

Doug Workman, President of the Company's Monitoring Division said: "Richard Stagg worked for our laboratory operations in Cambridge for over ten years and his premature death in 2017 was a shock to all at Modern Water. We honour his memory and wish his wife Alison and his children the very best for the future."

Application will be made to the London Stock Exchange for admission to trading of the New Shares on AIM ("Admission"). It is expected that Admission will take place and dealings on AIM will commence at 8:00 a.m. on or around 7th February 2019.

Modern Water's enlarged issued ordinary share capital immediately following Admission will be 113,357,468 ordinary shares with voting rights attached. The Company has no shares in treasury; therefore the total number of voting rights in Modern Water is 113,357,468. This figure may be used by shareholders as the denominator for the calculations by which they will determine whether they are required to notify an interest in, or a change to their interest in, the share capital of the Company under the FCA's Disclosure and Transparency Rules.

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Notes to editors:

Modern Water is a pioneering and innovative technology company, specialising in membrane water treatment solutions and advanced monitoring products. The company works for customers in a range of industries across the globe and owns proprietary technologies for use in a diverse range of applications. Modern Water's Monitoring Division has a portfolio of world-leading toxicity and trace metal monitoring products, some of which constitute the regulatory standard. The headline technology of the Company's Membrane Division, called "AMBC", can be used to tackle complex wastewater treatment problems at a reduced cost compared to standard processes, while being simple to operate.

www.modernwater.com