Quantum Data Regulatory News (MAST)

Mast Energy Developments PLC

(Incorporated in England and Wales)

(Registration Number: 12886458)

Share code on the LSE: MAST

ISIN: GB00BMBSCV12

("MED" or "the Company")

1 October 2021

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

New Board Appointment

Mast Energy Developments Plc (MED), the UK-based multi-asset operator in the rapidly growing Reserve Power market and currently with c. 20 MW gas peaker sites under its direct control and development, is pleased to announce that it has appointed Mr Dominic Traynor as non-executive director to the Board of Directors with effect from 1 October 2021.

· Mr Traynor is a London based company director and solicitor specializing in equity capital markets, and partner at Druces LLP, one of the City's oldest law firms. He specializes in corporate law, listings and takeovers, M&A and corporate finance. He advised on the structuring and listing of more than 30 companies on the Main Market and Alternative Investment Market (AIM) of the London stock exchange. Dominic graduated from the College of Law, York, and received his LLB from Durham University.

· Concurrent with this new appointment MED advises that Mrs Candice Theron is stepping down from the BOD effectively 30 September 2021 to pursue fulltime business interests.

The following information relating to Mr Traynor:

Directorships in public companies in last five years

· EV Metals Group plc (alternate)

· Raven Resources plc

· IT Infinite Technologies plc

Former public company appointments in last five years:

· SigmaRoc plc

· Neptune Mineral Investments plc

· Wildcat Mining & Exploration plc

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 Dominic joining MED's Board of Directors. He is a seasoned professional and brings a wealth of experience that can be focused on the successful roll out of MED's strategy to have 300 MW generating capacity on the ground.

MED, also at this time, expresses it sincere appreciation to Mrs Theron for her enthusiasm, energetic approach and value-added contributions prior to and post MED's listing to successfully roll out the first c. 20 MW of generating capacity and we wish her well in the pursuit of her new endeavours.

Further information on the Company, including the prospectus published in conjunction with Admission, can be found on the Company's website: www.med.energy

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 www.med.energy or contact: