Holding in Company

Porvair PLC
21 December 2000


     SECTION 198 COMPANIES ACT 1985 - 3% NOTIFIABLE INTEREST

We were advised today of the following declarable holdings by Scottish Widows
Investment Partnership Limited who is interested in 1,060,774 ordinary shares
and of this interest 687,338 shares are material interests:


Registered owner                         No.of shares     % holding

State Street Nominees Limited A/C XBY2     159,901          
State Street Nominees Limited A/C W32L      29,878
State Street Nominees Limited A/C W33H      67,681
State Street Nominees Limited A/C XBJ2      87,337
State Street Nominees Limited A/C XBY4      83,125
State Street Nominees Limited A/C XBK6      68,540
RBSTB Nominees Limited A/C SW                7,935
RBSTB Nominees Limited A/C SW              189,941
                                           -------
                                           687,338          2.671