Diales Group Plc

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

Directorate change

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, announces that Peter Collini, currently an Independent Non-Executive Director, the Senior Independent Director and Chair of the Audit and Risk Committee, will be stepping down from the Board of Diales on 14 May 2026 after nine years of service.

In line with the Board's succession planning, Jane Dumeresque, Independent Non-Executive Director, will assume the role of Chair of the Audit and Risk Committee effective from 15 May 2026.

Peter Collini, Independent Non-Executive Director, said:

"It has been a privilege and a pleasure to serve on the Board of Diales Group Plc during such a transformative period. I am incredibly proud of what the team has achieved, and I leave the Company in a strong position for its next phase of growth.  I wish them every success."

Nicholas Stagg, Independent Non-Executive Chair of Diales Group Plc, added:

"On behalf of the Board, I would like to express our sincere gratitude to Peter for his contribution over the past nine years. His insight, integrity and robust challenge have been extremely valuable to the Group. We wish him the very best for the future."

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