Business
Director/PDMR Shareholding
Diploma PLC announced that on January 16, 2026, Chief Executive Officer Johnny Thomson sold 30,000 ordinary shares at a price of £56.68 per share, resulting in a total transaction value of £1,700,400. Following this sale, Mr. Thomson retains a beneficial holding of 208,500 ordinary shares in the Company. Disclaimer*
About this update from Diploma Plc
10-11 CHARTERHOUSE SQUARE, LONDON EC1M 6EE TELEPHONE: +44 (0)20 7549 5700 16 January 2026 DIPLOMA PLC Notification of transactions by persons discharging managerial responsibilities (PDMRs) Diploma PLC (the "Company") announces that on 16 January 2026, Johnny Thomson, Chief Executive Officer, sold 30,000 ordinary shares in the Company. Following this transaction, Johnny retains a beneficial holding of 208,500 ordinary shares. The Notification of Dealing Form can be found below. This announcement is made in accordance with the UK Market Abuse Regulation (Regulation (EU) 596/2014, as it forms part of domestic law by virtue of the European Union (Withdrawal) Act 2018). 1 Details of the Director/PDMR/PCA a) Name Johnny Thomson 2 Reason for the notification a) Position/Status Chief Executive Officer b) Initial notification/Amendment Initial notification 3 Details of the issuer a) Name Diploma PLC b) LEI 2138008OGI7VYG8FGR19 4 Details of the transactions: a) Description of the financial instrument, type of instrument Identification code Ordinary shares of 5p each in the Company GB0001826634 b) Nature of the transaction Sale of shares c) Price(s) and volume(s) Price Volume £56.68 30,000 d) Aggregated information - Aggregated volume - Price Price Volume £56.68 30,000 e) Date of the transaction 16 January 2026 f) Place of the transaction London Stock Exchange For further information please contact: Diploma PLC Tel: +44 (0)20 7549 5700 Anna Lawrence Group General Counsel & Company Secretary LEI: 2138008OGI7VYG8FGR19