Holding in Company

Diploma PLC
27 April 2001


Letter to Diploma PLC
Letter dated: 26 April 2001

Re: S.198 Companies Act 1985: as amended by The Disclosure of Interest in Shares
(Amendment) Regulations 1993

I refer to my letter informing you that UBS Asset Management Limited, Phillips &
Drew Life Limited and their holding company UBS Asset Management Holding (No.2)
Limited, (which is also treated as having an interest in the above shares) had a
notifiable interest in the Company.  UBS Asset Management Limited, Phillips &
Drew Life Limited and UBS Asset Management Holding (No.2) Limited wish to inform
you that they no longer have a notifiable interest in the ord 5p share capital
of the Company.

Letter from D. Fitzharris
Legal & Compliance Department
Phillips & Drew Fund Management Ltd.