Holding(s) in Company

Porvair PLC
12 September 2002
                                     
TO:  RNS


SECTION 198 COMPANIES ACT 1985 - 3% NOTIFIABLE INTEREST

We were advised today that Schroder Investment Management Limited has a total 
declarable interest of 6,637,429 shares which represents 18.035% of the issued 
share capital.


FROM:  PORVAIR PLC


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