Q1 Corporate Presentation and Website Update

Mast Energy Developments PLC

(Incorporated in England and Wales)

(Registration Number: 12886458)

Share code on the LSE: MAST

ISIN: GB00BMBSCV12

('MED' or 'the Company')

Date: 4 May 2023

Mast Energy Developments PLC ('MED' or 'the Company')

Q1 Corporate Presentation and Website Update

Mast Energy Developments PLC, the UK-based multi-asset operator in the rapidly growing flexible power market, is pleased to announce that the Company's Quarter 1 Corporate Presentation is now available on its website at med.energy. The website has furthermore also been updated to provide stakeholders and the public with up-to-date information on MED's projects and processes.

ENDS

For further information please visit www.med.energy or contact: