Business
Director/PDMR Grant of LTIP Awards
Diploma PLC has announced the grant of long-term incentive awards to its Executive Directors under the 2020 Performance Share Plan. Johnny Thomson, the Chief Executive Officer, received an award of 55,213 ordinary shares, and Wilson Ng, the Acting Chief Financial Officer, received 9,856 ordinary shares, both at a price of £53.90 per share. These awards are contingent upon performance conditions measured over a three-year period ending September 30, 2028, and represent the maximum potential vesting shares. Disclaimer*
About this update from Diploma Plc
10-11 CHARTERHOUSE SQUARE, LONDON EC1M 6EE TELEPHONE: +44 (0)20 7549 5700 26 November 2025 Long Term Incentive Awards to Executive Directors Diploma PLC (the "Company") announces that the Remuneration Committee has approved the grant of long-term incentive awards (the "Awards") to the Executive Directors of the Company on 25 November 2025 under the Diploma PLC 2020 Performance Share Plan (as amended) ("PSP"): PSP Award Shares Share Price Johnny Thomson 55,213 Ordinary Shares £53.90 Wilson Ng 9,856 Ordinary Shares £53.90 The Awards are subject to the achievement of performance conditions measured over a three-year period ending 30 September 2028 and the number of shares shown above represent the maximum number of shares which may vest in connection with these Awards. A summary of the PSP, including the performance conditions relating to these Awards, is set out in the Annual Report and Accounts 2025 that will be published in due course. The Notification of Dealing Form can be found below. This announcement is made in accordance with the UK Market Abuse Regulation. 1 Details of the Director/PDMR/PCA a) Name 1. Johnny Thomson 2. Wilson Ng 2 Reason for the notification a) Position/Status 1. Chief Executive Officer 2. Acting Chief Financial 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 Grant of PSP shares c) Price(s) and volume(s) Price Volume 1. Grant at £ 53.90 55,213 2. Grant at £ 53.90 9,856 d) Aggregated information - Aggregated volume - Price Price Volume 1. Grant at £ 53.90 55,213 2. Grant at £ 53.90 9,856 e) Date of the transaction 25 November 2025 f) Place of the transaction Outside a trading venue For further information please contact: Diploma PLC Tel: +44 (0)20 7549 5700 Anna Lawrence, Group Company Secretary LEI: 2138008OGI7VYG8FGR19