Haydale plc

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

Director / PDMR Shareholding

Haydale (AIM: HAYD), the advanced materials and clean-technology group, confirms it has received notification that Mark Sait, Chief Commercial Officer of the Company, has purchased 977,835 ordinary shares of 0.01 pence each ("Ordinary Shares") at a price of 0.3068 pence per Ordinary Share. Following this purchase, Mark Sait is interested in 53,088,763 Ordinary Shares in total, representing 0.68 per cent. of the Company's total voting rights.

For further information

Haydale plc
Simon Turek, Chief Executive Officer
Patrick Carter, Chief Financial Officer

Mark Sait, Chief Commercial Officer
Tel: +44 (0) 1269 842946

Cavendish Capital Markets Limited (Nominated Adviser & Broker)
Corporate Finance - Julian Blunt / Edward Whiley / Trisyia Jamaludin
Corporate Broking - Andrew Burdis
Tel: +44 (0) 20 7220 0500

About Haydale

Haydale plc is an advanced materials and clean-technology company focused on the development and deployment of energy- and water-efficient technologies at scale. The Group's mission is to improve the energy, water and carbon performance of one million buildings.

The Group leverages its proprietary HDPlas® platform technology to develop patented graphene-enabled products that deliver measurable energy, water and carbon savings. These products are deployed through an integrated commercial model combining product innovation, customer access, delivery capability and Impact Partner relationships.

SaveMoneyCutCarbon operates as the Group's embedded B2B go-to-market platform, providing a national sales, programme management and installer network capability. Through its Impact Partner Programme, SMCC originates pre-qualified demand via long-term agreements with UK banks and utilities.

Haydale's strategy is focused on scaling the deployment of cost-effective decarbonisation solutions across the built environment, supported by measurable outcomes and financing structures that enable adoption.

The information set out below is provided in accordance with the requirements of the UK Market Abuse Regulation.