Holding(s) in Company

Porvair PLC
3 June 2004



SECTION 198 COMPANIES ACT 1985 - 3% NOTIFIABLE INTEREST

We were advised today that Legal & General Group plc have an interest in 
1,863,429 shares which are held as portfolios managed by them on a discretionary
basis for clients under investment management agreements.


Material Interest                                     No. of shares 

HSBC Global Custody Nominee (UK) Ltd A/c 887711           739,404
HSBC Global Custody Nominee (UK) Ltd A/c 775245            50,000
HSBC Global Custody Nominee (UK) Ltd A/c 357206           921,311
HSBC Global Custody Nominee (UK) Ltd A/c 747381            73,000
HSBC Global Custody Nominee (UK) Ltd A/c 866203            52,714
HSBC Global Custody Nominee (UK) Ltd A/c 916681             2,000
HSBC Global Custody Nominee (UK) Ltd A/c 360509            25,000


This interest represents 5.06% of the Company's issued share capital.




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