Notice of AGM

Mast Energy Developments PLC

(Incorporated in England and Wales)

(Registration Number: 12886458)

LEI :213800HFVHGJ9YGO9F71

Share code on the LSE: MAST

ISIN: GB00BMBSCV12

('MED' or 'the Company')

Dated: 4 June 2025

Mast Energy Developments PLC

Notice of Annual General Meeting 

Mast Energy Developments PLC, the UK-based multi-asset owner, developer and operator in the rapidly growing flexible power market, is pleased to announce that it will hold its Annual General Meeting ("AGM") at 12 noon on Thursday, 26 June 2025, at its registered office, Salisbury House, London Wall, United Kingdom, EC2M 5PS. The Notice of AGM will be dispatched in the post to shareholders today. The Notice of AGM is also uploaded on the Company's website and can be accessed at the following link: https://www.med.energy/companydocuments

Shareholders should note that further to the Company's RNS Announcement of 23 May 2025, it is expected that a further announcement on progress with the Equity Raise will be published within the next two weeks to coincide with dispatch of a Notice of General Meeting (the "GM Notice") to be held around mid-July 2025. The GM Notice will contain, inter alia resolutions to seek shareholder approval for the proposed share consolidation and the necessary share headroom to accommodate the Equity Raise as outlined in the 23 May 2025 RNS. The Company has already prepared and submitted the first draft of the Supplementary Prospectus to the FCA, approval and publication of which will also be required to complete the Equity Raise.

Pieter Krügel, MED CEO, commented: "This is an exciting time for MED as we continue to build on our positive progress and successes over the past year, and move forward with the anticipated completion of the Equity Raise in July 2025, which will enable the acceleration of our goal to achieve a 300+ MW portfolio."

ENDS

This announcement contains inside information for the purposes of the UK version of the Market Abuse Regulation (EU No. 596/2014) as it forms part of United Kingdom domestic law by virtue of the European Union (Withdrawal) Act 2018 ('UK MAR'). Upon the publication of this announcement, this inside information is now considered to be in the public domain.