Holding in Company

Porvair PLC 28 March 2001 Letter to Company Announcements Office SECTION 198 COMPANIES ACT 1985 - 3% NOTIFIABLE INTEREST We were advised today of the following declarable holdings by Schroder Investment Management Limited: Registered owner No. of shares % holding Chase Nominees Limited 2,748,750 10.67 Letter from Porvair PLC

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Porvair (PRV)
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