Diploma Regulatory News (DPLM)

DIPLOMA PLC

12 CHARTERHOUSE SQUARE, LONDON EC1M 6AX

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FOR IMMEDIATE RELEASE

23 April 2018

DIPLOMA PLC

DIRECTORATE CHANGE

Further to the announcement made on 30 January 2018, Diploma PLC (the "Company") announces that Richard Ingram has today joined the Board as Chief Executive Officer ("CEO") designate of Diploma PLC.

Richard Ingram will take over as CEO at the conclusion of the Board meeting on 8 May 2018, at which time Bruce Thompson will stand down from the Board but remain available to support an orderly transition until his retirement from the Company on 30 September 2018.

For further information, please contact:

LEI: 2138008OG17VYG8FGR19