Holding(s) in Company

10 Dec 2007 11:56

Porvair PLC10 December 2007 TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES (1). Identity of the issuer or the underlying issuer of existing shares to whichvoting rights are attached: PORVAIR PLC 2. Reason for the notification (please state Yes/No): ( ) An acquisition or disposal of voting rights: ( X ) An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: ( ) An event changing the breakdown of voting rights: ( ) Other (please specify) : ( ) 3. Full name of person(s) subject to the notification obligation: AVIVA PLC & ITS SUBSIDIARIES 4. Full name of shareholder(s) (if different from 3.): REGISTERED HOLDER: CUIM NOMINEE LIMITED 86,124* * DENOTES DIRECT INTEREST VIDACOS NOMINEES LIMITED 2,561,729 5. Date of the transaction and date on which the threshold is crossed or reachedif different): 5 DECEMBER 2007 6. Date on which issuer notified: 6 DECEMBER 2007 7. Threshold(s) that is/are crossed or reached: < 5% TO 6% CHANGE AT COMBINED INTEREST LEVEL 8. Notified details: A: Voting rights attached to shares Class/type of shares Situation previous to if possible using the the Triggering ISIN CODE transaction Number of shares Number of voting Rights ORDINARY SHARES < 5% < 5% GB0006963689 Resulting situation after the triggering transaction Class/type of shares Number of shares Number of voting rights % of voting rights if possible using the ISIN CODE Direct Direct Indirect Direct Indirect ORDINARY SHARES 86,124 86,124 2,561,729 0.21% 6.29% GB0006963689 B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration Date Exercise/Conversion Number of voting % of voting financial Period/ Date rights that may be rights instrument acquired if the instrument is exercised/ converted. N/ATotal (A+B)Number of voting rights % of voting rights 2,647,853 6.50% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: SEE SECTION 4 Proxy Voting: 10. Name of the proxy holder: SEE SECTION 4 11. Number of voting rights proxy holder will cease to hold: 12. Date on which proxy holder will cease to hold voting rights: 13. Additional information: FIGURES ARE BASED ON A TOTAL NUMBER OF VOTING RIGHTS OF 40,697,960 14. Contact name: NEIL WHITTAKER 15. Contact telephone number: 01603 684420 This information is provided by RNS The company news service from the London Stock Exchange