Change of Address

Diploma PLC 02 July 2007 2 July 2007 DIPLOMA PLC CHANGE OF ADDRESS Diploma PLC, the international group of specialised distribution businesses, has moved its corporate Head Office to the following address: 12 Charterhouse Square London EC1M 6AX Telephone number: 020 7549 5700 Facsimile number: 020 7549 5715 The change of address and telephone numbers are effective immediately. For further information, please contact: Nigel Lingwood, Group Finance Director 020 7549 5705 This information is provided by RNS The company news service from the London Stock Exchange