Holding(s) in Company

Porvair PLC
28 January 2005

Letter to RNS

          SECTION 198 COMPANIES ACT 1985 - 3% NOTIFIABLE INTEREST

We were advised today that Legal & General Investment Management have an
interest in 1,170,238 shares which are held as portfolios managed by them on a
discretionary basis for clients under investment management agreements.

This interest represents 3.17% of the Company's issued share capital.

From Porvair Plc





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