3 March 2026

LSE: JSG

Johnson Service Group PLC

(the "Company" or "the Group" or "JSG")

Appointment of Independent Non-Executive Director

Change of Audit Committee Chair and Senior Independent Director

Pursuant to UK Listing Rules 6.4.6R (1) and 6.4.6R (4), the Company announces that Lysanne Gray will join the JSG Board as an Independent Non-Executive Director with effect from 1 June 2026.

Lysanne, a qualified Chartered Accountant, brings significant experience of business operations, acquisitions and disposals, risk management, audit and corporate governance. Her career includes previous global leadership roles at Unilever plc, including Executive Vice President Sustainable Business Performance and Reporting, Financial Controller, Chief Auditor of Unilever; Chief Financial Officer of Unilever's global food service business; and a number of other senior operational and financial positions. Lysanne is currently the Audit Committee Chair for Genus plc (LSE: GNS), a leading global animal genetics company.

On appointment, Lysanne will join the Audit, Nomination and Remuneration Committees and, as part of the Board's planned succession arrangements, will succeed Chris Girling as Chair of the Audit Committee following the announcement of the Company's interim results for the six-month period ending 30 June 2026.

As part of the same planned succession process, Nicola Keach will succeed Chris Girling as Senior Independent Director with effect from 1 June 2026. Nicola was appointed as an Independent Non-Executive Director of the Company on 1 June 2022 and has been a member of the Company's Audit, Nomination and Remuneration Committees since her appointment.

Chris will continue to serve as an Independent Non-Executive Director and member of the Company's Audit, Nomination and Remuneration Committees until he steps down and retires from the Board on 31 December 2026, when he will have served more than 8 years as an Independent Non-Executive Director of JSG.

The Board expresses its sincere thanks to Chris for his significant contribution during his time as an Independent Non-Executive Director. He has provided strong leadership of the Audit Committee and has been a highly valued and trusted adviser to the Chair, the Board and the executive management team. His commitment and support to the Group have been greatly appreciated.

Jock Lennox, Non-Executive Chair, said:

"We are delighted that Lysanne is joining the Board. Her breadth of experience, together with her business operations and financial expertise in a listed company environment, will be of great benefit to JSG. I would also like to thank Chris Girling for his significant contribution and support as Audit Committee Chair and Senior Independent Director, and I look forward to continuing to work with Nicola as she succeeds Chris as Senior Independent Director."

Lysanne Gray commented:

"I am pleased to be joining Johnson Service Group PLC as an Independent Non-Executive Director and succeeding Chris Girling as Chair of the Audit Committee. JSG has built a strong reputation for operational excellence, long-term customer partnerships and impressive sustainability credentials. I am looking forward to working closely with the Board and management team to support the Group's continued growth."

Disclosure pursuant to UK Listing Rule 6.4.8R

Lysanne Gray has, since 1 April 2016, served as a Non-Executive Director of Genus plc (LSE: GNS).

There is no further information to be disclosed in respect of Lysanne Gray under UK Listing Rules 6.4.8R (1) to (6), inclusive.

ENQUIRIES

LEI: 2138004WZUPWV53KWV11