Diploma PlcLSE: DPLM

Directorate Change

diplomaplc

10-11 CHARTERHOUSE SQUARE, LONDON EC1M 6EE

TELEPHONE: +44 (0)20 7549 5700

8 September 2022

DIPLOMA PLC

DIRECTORATE CHANGE

Further to the announcement on 10 August 2022, Diploma PLC, the international group distributing specialised products and services, is pleased to announce that Chris Davies will join Diploma and assume his role as Chief Financial Officer, an executive Board position, with effect from 1 November 2022.

For further information, please contact:

Diploma PLC -

Johnny Thomson, Chief Executive Officer

+44 (0)20 7549 5700

Kellie McAvoy, Head of Investor Relations

Tulchan Communications -

+44 (0)20 7353 4200

Martin Robinson

Olivia Peters

LEI: 2138008OG17VYG8FGR19