Directorate Change

Diploma PLC
11 July 2002

                 
Appointment of Non Executive Director

John Rennocks FCA (aged 57) has today been appointed to the Board of Diploma PLC 
as a Non Executive Director.

He has previously been Executive Director - Finance at Corus Group Plc and
Finance Director of PowerGen Plc and Smith and Nephew Plc. He is currently
Chairman of KS Biomedix plc and a Non Executive Director of Foreign & Colonial
Investment Trust Plc and of a number of other companies.

Commenting on his appointment, Chris Thomas, Chairman of Diploma PLC said:

'I am delighted that John will be joining our Board and look forward to the 
experience he will bring to the Company'.




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