Director/PDMR Shareholding

Haydale PLC

08 April 2026

 

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: [phone]

Cavendish Capital Markets Limited (Nominated Adviser & Broker)
Corporate Finance - Julian Blunt / Edward Whiley / Trisyia Jamaludin
Corporate Broking - Andrew Burdis
Tel: [phone]

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.

1.	Details the person discharging managerial responsibilities / person closely associated
a)	Name		Mark Sait
2.	Reason for the notification
a)	Position / status	Chief Commercial Officer
b)	Initial notification / Amendment	Initial notification
3.	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Haydale Plc
b)	LEI	213800KNULBQFF25IE72
4	Details of the transaction (s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument Identification code		Ordinary Shares of 0.01 pence each GB00BKWQ1135
b)	Nature of the transaction		Acquisition of Ordinary Shares
c)	Price(s) and volume(s)		Price(s) Volume(s) 0.3068 pence 977,835
d)	Aggregated information -      Aggregated volume -      Price		As above
e)	Date of the transaction		7 April 2026
f)	Place of the transaction		London Stock Exchange (XLON)

 

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