Reach announcement - non-regulatory

4 June 2024

Proton Motor Power Systems plc

("Proton Motor" or the "Company")

Successful completion of follow-on order from DB Bahnbau Gruppe

Proton Motor Power Systems plc (AIM: PPS), the designer, developer and producer of fuel cells and fuel cell electric hybrid systems with a zero-carbon footprint, is pleased to announce the successful delivery and completion of its follow-on order from DB Bahnbau Gruppe GmbH (the "Customer"), a subsidiary of Deutsche Bahn AG, the operator of the German Rail network, details of which were originally announced on 13 July 2023. The Company has delivered to the Customer a complete hydrogen fuel cell emergency power system which has now passed the site acceptance test, customer handover, and serial and operational approval.

The completion of this follow-on order represents the first fuel cell emergency power system under the Customer's brand name EnerRail H024 and has a rated power output of 24 kW. The completion of this follow-on order comes after five years of real-world testing and validation by the Customer and follows the cooperation agreement signed between Proton Motor and the Customer in 2015, under which 23 systems have already been delivered for various emergency power applications.

The systems delivered to the Customer include an indoor plug and play HyCabinet S24 fuel cell system, a master control cabinet, a battery storage cabinet, a DC/AC converter for 400 VAC ("Volts Alternating Current") output voltage and a gas storage unit for 48 hours' worth of back-up time. The HyCabinet S24 fuel cell system is made of three fully redundant HyModule® S8 systems.

Additionally, the successful site acceptance test for the delivered system has resulted in Proton Motor receiving serial and operational approval from DB InfraGO, a state-owned railway infrastructure company operated by Deutsche Bahn AG, providing further scope for securing additional orders.

The system was delivered on 24 April 2024 and installed at a railway control centre in the greater Berlin area. On 16 May 2024 the system passed the site acceptance test and was handed over to the Customer.

Dr. Faiz Nahab, CEO of Proton Motor, said:

"The successful completion of this follow-up order from DB Bahnbau Gruppe is further evidence of the Company's progress in commercialising its proprietary hydrogen fuel cell technologies and reaffirms Proton Motor's leadership in the sector. We look forward to continuing to work further with DB Bahnbau Gruppe to provide them with zero-emission hydrogen fuel cell solutions as Deutsche Bahn look to phase out diesel generators by 2026."

 Image 2: System layout and view after installation at the German Rail location

For further information:

About Proton Motor

Proton Motor has 25 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 develops and produces standard Products as well as customised solutions.  The focus of Proton Motor is on stationary solutions, as well as heavy-duty, marine and rail applications.  The product portfolio consists of base-fuel cell systems, standard complete, as well as customised systems.

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).

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