Appointment of Non-Executive Director

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15 January 2025

APPOINTMENT OF NON-EXECUTIVE DIRECTOR

Diploma PLC, the international value-add distribution group, is pleased to announce that as outlined in the announcement released on 8 October 2024 regarding the appointment of Ian El-Mokadem, Ian has now been appointed as Non-Executive Director with immediate effect.

There is no other information that is required to be disclosed pursuant to UK Listing Rule 6.4.6.

J Morrison

Group General Counsel & Company Secretary

Diploma PLC

For further information, please contact:

Further information on Diploma PLC can be found at www.diplomaplc.com

LEI: 2138008OGI7VYG8FGR19