Holding(s) in Company

Porvair PLC
28 August 2002


Letter to RNS

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

Schroder Unit Trusts Limited 
(Chase Nominees Limited)                5,238,444                  14.234


Letter from Porvair Plc



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