Proton Motor Power Systems plc

("Proton Motor" or the "Company")

Order from DB Bahnbau

Proton Motor Power Systems plc (AIM: PPS), Europe's leading designer, developer and producer of fuel cells and electric hybrid systems with a zero-carbon footprint, is pleased to announce that following the recent extension of the co-operation agreement with DB Bahnbau Gruppe GmbH ("DB Bahnbau"), which was first announced on 20 July 2015, it has:

-     received an order from DB Bahnbau for a PM Frame fuel cell system (Proton Motor's modular fuel cell system for customised integration); and

-     entered into a maintenance services contract for 22 systems, which were delivered in 2016, with DB Bahnbau acting as general contractor.

DB Bahnbau is a subsidiary of Deutsche Bahn AG (the German railway company, headquartered in Berlin) and is a full-service provider for rail infrastructure.

The Board estimate the market potential for Emergency Power Systems (EPS) to be delivered in co-operation with DB Bahnbau to be up to 1,800 sites with power requirement levels of between 10kW and 500kW.

For further information:

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