HARWORTH GROUP PLC

('Harworth' or the 'Group' or the 'Company')

Tony Quinlan joins Harworth Board as an Independent Non-Executive Director

The Board of Harworth Group plc (LSE: HWG), a leading regeneration, strategic land and development business, announces the appointment of Tony Quinlan as an Independent Non-Executive Director, effective 1 June 2026. Tony will also join the Audit and Remuneration Committees of Harworth on appointment.

Tony brings extensive executive and non-executive UK plc experience across the retail, energy, renewables, technology and industrial sectors. He was previously CEO of Laird plc, where he led a successful turnaround and subsequent sale of the business in 2018 to global private equity firm Advent International. Prior to that, he was Group Finance Director of Drax Group plc from 2008 to 2015.

He is currently Chair of NextEnergy Solar Fund, the specialist solar energy and energy storage investment company, and serves as Senior Independent Director on the Boards of FTSE 250 constituents Costain Group PLC and Hill & Smith PLC.

Alastair Lyons, Chair of Harworth, said: "Tony joins us with an enviable near 35-year track record, in both C-suite and non-executive roles across M&A, corporate governance, business transformation, major infrastructure development, international expansion and equity raising activity. Combined with his energy, industrials and renewables experience, he will be well placed to add significant value to the Board as we continue delivering on our strategic growth ambitions."

Additional information:

Tony Quinlan is independent for the purposes of the UK Corporate Governance Code. This announcement is made pursuant to UK Listing Rule 6.4.6. There is no further information which requires disclosure under UKLR 6.4.8R (1) - (6) inclusive.

-ENDS-

For further information

About Harworth

Harworth Group plc (LSE: HWG), is a leading regeneration, strategic land and development business focused on the I&L and Residential sectors. We own, develop, and manage a portfolio of over 15,000 acres of Strategic Land over 100 sites located throughout the North of England and Midlands. We specialise in delivering long-term value for all stakeholders by regenerating large, complex sites, into new I&L developments and serviced remediated land for sale into the I&L and Residential land markets. Our long-term through-the-cycle business model is to create sustainable places, support new homes, jobs and communities where people want to live and work. Visit www.harworthgroup.com for further information. LEI: 213800R8JSSGK2KPFG21