Diales Group Plc

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

Appointment of Non-Executive Chair

Diales Group Plc (AIM:DIAL), the global specialist dispute avoidance and dispute resolution consultancy, is pleased to announce the appointment of Nicholas Stagg as its new Non-Executive Chair. Nicholas will take up this role on 1 September 2025.

With experience as a non-executive director and chair of a range of listed and private companies and a Fellow Chartered Accountant, Nicholas brings exceptional expertise to Diales from a career leading international people businesses in sectors and disciplines relevant to the Group. Nicholas' professional and sectoral experience spans financial and legal services, management consulting, commercial property and aviation.

Nicholas Stagg said:

"It is a privilege to join this highly respected global expert witness and consultancy business as its Non-Executive Chair. I look forward to supporting the Board and Senior Management team strengthen the Group's competitive positioning in global markets, enhancing our offering to our clients, listening to our staff and stakeholders around the world and, most of all, helping to return further accretive value to our shareholders."

Mark Wheeler, Chief Executive Officer of Diales, said:

"We are thrilled to welcome Nicholas on board. Nicholas is an exceptionally accomplished non-executive director and has experience as chair of a number of highly regarded and people-focused private and quoted companies across the legal services, property advisory and management consulting sectors. His experience will be invaluable to our clients, staff and shareholders."

Enquiries:

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

Nicholas Simon Stagg is aged 65 and is, or has been during the previous five years, a director or partner of the following companies or partnerships:

Nicholas is also a non-executive of Wedlake Bell LLP.

Nicholas served as a Director of Teathers Limited from 30 April 2001. Teathers Limited, formerly Teather & Greenwood Limited and later renamed Landsbanki Securities (UK) Limited, was placed into administration on 23 October 2008 following the collapse of its parent company, Landsbanki, during the 2008 global financial crisis. This formed part of a pre-packaged administration arrangement authorised by the Financial Services Authority (now the Financial Conduct Authority) to facilitate the transfer of staff and clients to another bank. Teathers Limited subsequently entered into creditors' voluntary liquidation on 13 October 2009 and was formally dissolved on 21 February 2017.