5 December 2025

Powerhouse Energy Group Plc

("Powerhouse", "PHE" or the "Company")

                                                                                 Change of Advisers

Powerhouse (AIM:PHE), a company pioneering integrated technology that converts non-recyclable waste into low carbon energy together with a revenue generating engineering consulting division (Engsolve), announces that Longspur Capital Limited has been appointed as its Financial Adviser and Joint Broker.  Strand Hanson will remain as the Company's Nominated and Financial Adviser and also become the Company's Joint Broker.

For more information, please visit www.phegroup.com or contact:

The information contained within this announcement is deemed to constitute inside information as stipulated under the retained EU law version of the Market Abuse Regulation (EU) No. 596/2014 (the "UK MAR") which is part of UK law by virtue of the European Union (Withdrawal) Act 2018. The information is disclosed in accordance with the Company's obligations under Article 17 of the UK MAR. Upon the publication of this announcement, this inside information is now considered to be in the public domain.

About Powerhouse Energy Group Plc

Powerhouse has developed a process technology which can utilise waste plastic, end-of-life-tyres, and other waste streams to convert them efficiently and economically into syngas from which valuable products such as chemical precursors, hydrogen, electricity, heat and other industrial products may be derived. PHE's process produces low levels of safe residues and requires a small operating footprint, making it suitable for deployment at enterprise and community level.

PHE also incorporates Engsolve Ltd, which is a revenue generating business offering Engineering Services across all sectors, with speciality services in the development of new technologies and clean energy.

For more information, see www.phegroup.com and www.engsolve.com