Business
Director Declaration
Diploma PLC announced on October 7, 2025, that Chief Executive Officer Johnny Thomson has been appointed to a non-executive advisory role at TDR Capital LLP. Thomson will also join the Strategic Committee of TDR's portfolio company, Applus+. This external appointment is a director declaration. Disclaimer*

About this update from Diploma Plc
10-11 CHARTERHOUSE SQUARE, LONDON EC1M 6EE TELEPHONE: +44 (0)20 7549 5700 7 October 2025 DIRECTOR DECLARATION - EXTERNAL APPOINTMENT Diploma PLC announces that Johnny Thomson, Chief Executive Officer, has been appointed to a non-executive advisory role at TDR Capital LLP ("TDR") and will join the Strategic Committee of TDR's portfolio company, Applus+. A Lawrence Group General Counsel & Company Secretary For further information please contact: Diploma PLC - +44 (0)20 7549 5700 Anna Lawrence, Group General Counsel & Company Secretary LEI: 2138008OGI7VYG8FGR19