28 April 2023

Clean Power Hydrogen plc

("CPH2", the "Company" or the "Group)

Holdings in Company

Clean Power Hydrogen plc (AIM: CPH2), the UK-based green hydrogen technology and manufacturing group that has developed the IP-protected Membrane-Free Electrolyser^TM, was notified on 26 April 2023 that Aurelius Limited now holds 20,448,881 ordinary shares in the Company, representing approximately 7.62% of the issued share capital of the Company. The Aurelius Limited shareholder was previously disclosed as the Manny Davidson Discretionary Trust.

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Notes to Editors

CPH2 is the holding company of Clean Power Hydrogen Group Limited ("CleanPower") which has almost a decade of dedicated research and product development experience. This experience has resulted in the creation of simple, safe and sustainable technology which is designed to deliver a modular solution to the hydrogen production market in a cost-effective, scalable, reliable and long-lasting manner. The Group's strategic objective is to deliver the lowest LCOH in the market in relation to the production of green hydrogen. The Group's MFE technology is already commercially available and demonstrating cost efficiencies and technological advantages. CPH2 is listed on the AIM market and trades under the ticker LON:CPH2.

The information in the below notification is disclosed in accordance with Article 19 of the EU Market Abuse Regulation.