Mast Energy Developments PLC

(Incorporated in England and Wales)

(Registration Number: 12886458)

Share code on the LSE: MAST

ISIN: GB00BMBSCV12

13 July 2022

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

Appointment of Director

Mast Energy Developments Plc (MED), the UK-based multi-asset owner and operator in the rapidly growing Reserve Power market, is pleased to announce that it has appointed Mr. Pieter Krügel as a director of the Company with immediate effect. Mr. Krügel was appointed as Chief Executive Officer of the Company and announced on the Company's RNS of the 20 May 2022 with effect from 1 June 2022 and this completes his appointment to the board.

The following information relates to Mr Krügel:

Current company directorships:

Sloane Developments Ltd

Bordersley Power Ltd
Rochdale Power Ltd
Pyebridge Power Ltd

Mast Energy Projects Ltd

Benga Power Plant Ltd
Kibo Energy Botswana (Pty) Ltd

Company directorships in the last five years:

Mast Energy Projects Ltd
Sustineri Energy (Pty) Ltd

Save as disclosed there are no other matters to be disclosed under Listing Rule 9.6.13 R.

Louis Coetzee, Non-Executive Chairman said: "We are delighted with Pieter joining MED's Board of Directors and look forward to working with Pieter as executive director and CEO."

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.

ENDS

For further information please visit http://med.energy or contact: