Holding(s) in Company

13 Jul 2006 17:07

Porvair PLC13 July 2006 Letter to: RNS SECTION 198 COMPANIES ACT 1985 - 3% NOTIFIABLE INTEREST We have been advised of the following holding by Schroder Investment ManagementLimited held in portfolios managed by them on a discretionary basis. Registered owner No. of shares % holding ---------------- ------------- ---------Schroder Unit Trusts Ltd (SUTL) 5,986,294 British Coal Staff Superannuation a/c:P 1,083,322Chase Manhattan Bank 389,188Mineworkers' Pension Scheme a/c:R 1,388,906Nortrust Nominees Limited 480,000 ------- 3,341,416 --------- ------- 9,327,710 22.989 Letter from: Chris Tyler Company Secretary Porvair plc This information is provided by RNS The company news service from the London Stock Exchange