Proton Mtr Pwr Regulatory News (PPS)

Proton Power Systems plc

("Proton" or the "Company")

Holding in Company and Director dealing

Proton Power Systems plc (AIM: PPS), the designer, developer and producer of fuel cells and fuel cell electric hybrid systems with a zero-carbon footprint, announces that it has today been informed that, on 10 December 2019, SFN Cleantech Investment Ltd ("SFN"), a company in which Dr Faiz Nahab, CEO of the Company, has a 2% interest in the issued share capital, sold 5,000 ordinary shares in Proton ("Ordinary Shares") on the Frankfurt stock exchange at an average price of EUR 0.28 per Ordinary Share.

Following the above transactions SFN holds 595,421,185 Ordinary Shares representing 89.01 per cent of the Company's issued share capital.

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About Proton Motor Fuel Cell GmbH

Proton Motor has more than 20 years of experience in Power Solutions using CleanTech technologies such as hydrogen fuel cells, fuel cell and hybrid systems with a zero carbon footprint. Based in Puchheim near Munich, Proton Motor offers complete fuel cell and hybrid systems from a single source - from the development and production through the implementation of customized solutions. The focus of Proton Motor is on back-to-base, for example, for mobile, marine and stationary solutions applications. The product portfolio consists of base-fuel cell systems, standard complete systems, as well as customized systems.

Proton Motor serves IT, Telecoms, public infrastructure and healthcare customers in Germany, Europe and Middle East with power supply solutions for DC and AC power demand. In addition to power supply, SPower also offers solutions for Solar Systems as well as a new product line for Solar Energy Storage.

Proton Motor Fuel Cells GmbH is wholly owned subsidiary of Proton Power Systems plc. The Company has been quoted on the AIM market of the London Stock Exchange since October 2006 (code: PPS).