Retail Offer

The Board of POWERHOUSE ENERGY GROUP PLC (the "Company") is pleased to announce a retail offer via BookBuild (the "Retail Offer") of new ordinary shares ("Ordinary Shares") of ORD 0.5p each in the capital of the Company (the "Retail Offer Shares") to raise gross proceeds (before fees and expenses) of up to £125,000. Pursuant to the Retail offer, up to 25,000,000 Retail offer shares will be made available at an issue price of GBX 0.5p per New Ordinary Share (as defined below) (the "Issue Price").

In addition to the Retail Offer, the Company has also conducted a placing of new ordinary shares (the "Placing Shares" and together with the Retail Offer Shares, the "New Ordinary Shares") at the Issue Price (the "Placing" and together with the Retail Offer, the "Issue"). The Placing has raised £1.25 million. A separate announcement has been made regarding the Placing and its terms. For the avoidance of doubt, the Retail Offer is not part of the Placing.

The Directors have undertaken the Placing and the Retail Offer to facilitate an acceleration in the Research and Development activities of the Company, in particular to fully demonstrate the flexibility of the DMG process at the Company's Technology Centre in Bridgend, as well as to allow the Company to increase the momentum of its current project pipeline. Specifically, funds raised pursuant to the Placing are expected to be allocated approximately as below:

• Ballymena (£350k) - Progress option on site, undertake planning and permitting activities, develop FEED package to allow tenders for EPCm;
• Australia (£50k) - Develop engineering package in parallel with paid FEED (allowing further development via testing at PHE's Technology Centre);
• Research and Development (£150k) - Continue work on development of alternative outputs from DMG i.e. Liquids, sustainable aviation fuel (SAF), etc as well as adding additional equipment to the feedstock testing unit (FTU) process to prove at scale;
• Engsolve (£150k) - Grow engineering base to allow fuller support of PHE projects i.e. detailed design, commissioning and pre-operation phases. Also, to market Engsolve to a wider audience to increase revenues'
• Working capital, to include additional projects, sales and marketing (£550k).

Funds raised pursuant to the Retail Offer will be applied to the Company's working capital base.

The Issue Price represents a discount of approximately 23.1 per cent to the closing share price of 0.65p per existing Ordinary Share on 13 March 2025.

The Retail Offer is conditional on the New Ordinary Shares to be issued pursuant to the Retail Offer being admitted to trading on the AIM market operated by the London Stock Exchange ("Admission"). Admission of the New Ordinary Shares pursuant to the Retail Offer is expected to take place at 8.00am on 28 March 2025. Completion of the Retail Offer is conditional, inter alia, upon the completion of the Placing.

Expected Timetable in relation to the Retail Offer

Retail Offer

The Company values its retail shareholder base, and given the support of retail shareholders, the Company believes that it is appropriate to provide its retail shareholders in the United Kingdom the opportunity to participate in the Retail Offer. The Company is therefore making the Retail Offer available in the United Kingdom through the financial intermediaries which will be listed, subject to certain access restrictions, on the following website: https://www.bookbuild.live/deals/J19RNQ/authorised-intermediaries

Hobart Capital Markets LLP will be acting as retail offer coordinator in relation to this Retail Offer (the "Retail Offer Coordinator").

If any intermediary has any questions about how to participate in the Retail Offer on behalf of existing retail shareholders, please contact the Retail Offer Coordinator at email phil.worton@hobartcapital.com or BookBuild at email: support@bookbuild.live.

There is a minimum subscription of £100.00 per investor under the terms of the Retail Offer which is open to investors in the United Kingdom subscribing via the intermediaries which will be listed, subject to certain access restrictions, on the following website: https://www.bookbuild.live/deals/J19RNQ/authorised-intermediaries

UK Product Governance Requirements

EU Product Governance Requirements