THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION FOR THE PURPOSES OF ARTICLE 7 OF REGULATION (EU) 596/2014 (AS IT FORMS PART OF UK DOMESTIC LAW BY VIRTUE OF THE EUROPEAN UNION (WITHDRAWAL) ACT 2018).

Haydale plc

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

Proposed Commercial Relationship

Response to Sabien Technology Group plc Announcement

Haydale (AIM: HAYD), the advanced materials and clean-technology group, notes the announcement released this morning by Sabien Technology Group plc ("Sabien") regarding a proposed commercial distribution relationship involving SaveMoneyCutCarbon ("SMCC"), Haydale's embedded B2B go-to-market platform.

The Board is pleased to see further validation of the SMCC platform, its national deployment capability and broader commercial strategy.

Discussions between the parties remain ongoing and no definitive agreements have yet been entered into. Further announcements will be made in due course, should substantive commercial agreements be concluded.

ENDS

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.