Holding(s) in Company

19 Dec 2007 16:46

Porvair PLC19 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: (YES) An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: (NO ) An event changing the breakdown of voting rights: (NO ) Other (please specify) : (NO ) 3. Full name of person(s) subject to the notification obligation: F&C ASSET MANAGEMENT PLC 4. Full name of shareholder(s) (if different from 3.): SEE BOX 9 BELOW 5. Date of the transaction and date on which the threshold is crossed or reachedif different): 18/12/07 6. Date on which issuer notified: 19/12/07 7. Threshold(s) that is/are crossed or reached: 11% 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 GB0006963689 4,653,142 4,653,142 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 4,458,142 4,458,142 10.95 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. Total (A+B)Number of voting rights % of voting rights 4,458,142 10.95 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: F&C ASSET MANAGEMENT PLC: NO. OF % OF TOTAL REGISTRATION NAMECLIENT VOTING RIGHTS VOTING RIGHTSSTEWARDSHIP INV FUNDS ICVC STEWARDSHIP GROWTH FUND 1,814,062 4.46 CHASE NOMINEES LIMITEDFPCP STEWARDSHIP 2,363,528 5.81 HSBC GS NOMINEES LIMITED OTHER CLIENT HOLDS LESS THAN 3% Proxy Voting: 10. Name of the proxy holder: F&C ASSET MANAGEMENT PLC 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: 14. Contact name: PETER FRASER 15. Contact telephone number: 0131 718 1051 This information is provided by RNS The company news service from the London Stock Exchange