Directorate Change

Haydale Graphene Industries plc

('Haydale', the 'Company', or the 'Group')

Directorate Change

Further to the announcement made on 10 March 2023 regarding Mark Chapman, Haydale is pleased to announce the appointment today of Patrick Carter as Chief Financial Officer ("CFO") with immediate effect.

Patrick is a chartered accountant and a qualified barrister-at-law. Patrick started his career at Deloitte and has previously held senior and board positions as CFO, leading finance teams at Aukett Swanke plc, Charteris plc and, more recently, at a number of private equity backed renewable energy companies.

Accordingly, Mark Chapman's resignation from the Board has now become effective, though Mark will remain with the Company for a short period to ensure a smooth handover of responsibilities.

Keith Broadbent, Chief Executive Officer of Haydale, said:

"I am very pleased to announce Patrick's appointment as Chief Financial Officer. As we continue to move further along our commercial journey, Patrick is a strong addition to our leadership team to ensure our absolute financial focus. Having his legal skills in house will also be a major plus as we continue to grow as a company.

"I would like to thank Mark for his efforts and wish him well for the future."

For further information:

The following information regarding the appointment of Patrick James Carter, aged 53, is disclosed under Schedule 2(g) of the AIM Rules for Companies:

Mr Carter was a director of Tidal Lagoon Plc and Tidal Lagoon Power Ltd which were both put into company voluntary arrangements ("CVA") on 4 September 2018. The deadline for completion on each has been extended to 4 September 2023. At the last statement of affairs dated 27 October 2022 the companies had received creditor claims of c£5.0m and c£2.3m respectively, though it is noted the CVAs are still ongoing.

There are no further disclosures to be made under Schedule 2(g) of the AIM Rules for Companies.

Notes to Editors

Haydale is a global technologies group and service provider that facilitates the integration of graphene and other nanomaterials into the next generation of industrial materials and commercial technologies. With expertise in graphene, other nanomaterials and Silicon Carbide, Haydale is able to deliver improvements in electrical, thermal and mechanical properties, Haydale has been granted patents for its technologies in Europe, USA, Australia, Japan and China and operates from five sites in the UK, USA and the Far East. For more information please visit: www.haydale.com or Twitter: @haydalegraphene