DIALES PLC

Board/Management Information • Nov 24, 2025

National Storage Mechanism | Additional information

RNS Number : 6016I

Diales Group PLC

24 November 2025

Diales Group Plc

("Diales" or the "Company " or the "Group")

Appointment of Non-Executive Director

Diales Group Plc (AIM:DIAL), the leading global professional services consultancy to the construction and engineering industries, providing multi-disciplinary consultancy services including expert witness, claims and dispute resolution services, is pleased to announce the appointment of Jane Dumeresque as a Non-Executive Director of the Company with effect from today, 24 November 2025.

Jane brings to Diales extensive relevant experience from a career in executive leadership and non-executive director roles in a range of listed and private companies in the financial services sector. Jane is a chartered accountant and has served as a Non-Executive Director in a number of corporate, mutual and not for profit businesses. Jane will serve as Chair of the Group's remuneration committee and will become a member of the audit committee.

Mark Wheeler, Chief Executive Officer of Diales, said:

"I am very pleased to welcome Jane to the Board. Jane is an accomplished Non-Executive Director and has valuable experience of working in people-centric businesses like ours. With a long track record of achievement in a range of executive and non-executive roles, I am confident that she will bring to Diales a wealth of boardroom expertise, and we look forward to working with her."

Enquiries:

Diales Group Plc Mark Wheeler, Chief Executive Officer Charlotte Parsons, Chief Financial Officer		+44 (0)207 377 0005
Shore Capital (Nominated Adviser and Broker) Mark Percy George Payne		+44 (0)207 408 4050
Acuitas Communications Simon Nayyar Jake Davis	+44 (0)203 745 0293 / +44 (0)779 976 7676 / 07848 157447 [email protected] [email protected]

The following additional information is provided in accordance with Rule 17 and Schedule Two paragraph (g) of the AIM Rules for Companies:

Jane Grace Dumeresque (formerly Jane Grace Backes and Jane Grace Moir), is aged 67 and is, or has been during the previous five years, a director or partner of the following companies or partnerships:

Current Directorships or Partnerships	Previous Directorships or Partnerships within last five years
Teachers Building Society The Ancient Order of Foresters Friendly Society Limited	Heart of the South-West LEP C.I.C. JD Capital Management Ltd Western Selection Limited Weir Quay Community Watersports Hub Club Limited Exeter Science Park Limited Dartmoor Multi Academy Trust South West Mutual Limited

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