Holding(s) in Company

Porvair PLC
18 June 2003

To: RNS

          SECTION 198 COMPANIES ACT 1985 - 3% NOTIFIABLE INTEREST

We were advised today of the following declarable holdings by JP Morgan 
Securities Ltd:
 
Registered owner                         No. of shares     % holding 

The Fleming Mercantile Investment            1,868,232          4.09
Trust plc


From: Porvair Plc

                      This information is provided by RNS
            The company news service from the London Stock Exchange
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