Holding in Company

19 Mar 2007 18:23

Porvair PLC19 March 2007 Holding in Company 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 tick the appropriate box or boxes): An acquisition or disposal of voting rights: ( ) An acquisition or disposal of financial instruments which may result in theacquisition of shares already issued to which voting rights are attached: ( ) An event changing the breakdown of voting rights: ( ) Other (please specify): Confirmation of current position using this standard form as required by EUTDregulations ( X ) 3. Full name of person(s) subject to the notification obligation: Prudential plc group of companies 4. Full name of shareholder(s) (if different from 3.): See attached schedule 5. Date of the transaction (and date on which the threshold is crossed orreached if different): 14/03/2007 6. Date on which issuer notified: 15/03/2007 7. Threshold(s) that is/are crossed or reached: 14% 8. Notified details: A: Voting rights attached to shares Class/type of shares Situation previous to the triggering transaction Number of Shares Number of Voting RightsGB0006963689 6,080,987 6,080,987 Resulting situation after the triggering transaction Number of shares Number of voting rights % of voting rightsDirect Direct Indirect Direct Indirect6,080,987 6,080,987 14.98% B: Financial Instruments Resulting situation after the triggering transactionType of Expiration Exercise / Number of voting rights that may % offinancial date conversion be acquired if the instrument is votinginstrument period / date exercised / converted rightsn/a n/a n/a n/a n/a Total (A+B): Number of voting rights % of voting rights 6,080,987 14.98% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: Prudential plc (parent Company)M&G Group Limited (wholly owned subsidiary of Prudential plc)M&G Limited (wholly owned subsidiary of M&G Group Limited)M&G Investment Management Limited (wholly owned subsidiary of M&G Limited)M&G Securities Limited (wholly owned subsidiary of M&G Limited) Proxy Voting: 10. Name of the proxy holder: n/a 11. Number of voting rights proxy holder will cease to hold: n/a 12. Date on which proxy holder will cease to hold voting rights: n/a 13. Additional information: None 14. Contact name: Chris TylerGroup Finance Director and Company SecretaryPorvair plc 15. Contact telephone number: 01553 765 500 -------------------- Schedule of notifiable position Registered Holder Holding % Prudential plc 6,080,987 14.98 Total notifiable interest Nortrust Nominee Ltd 5,320,632 A/C MKK01 PRUCLT HSBC GIS NOM 760,355 (UK) PPL AC M&G Group Limited 6,080,987 14.98 Nortrust Nominee Ltd 5,320,632 A/C MKK01 PRUCLT HSBC GIS NOM 760,355 (UK) PPL AC M&G InvestmentManagement 6,080,987 14.98Limited Nortrust Nominee Ltd 5,320,632 A/C MKK01 PRUCLT HSBC GIS NOM 760,355 (UK) PPL AC M&G Limited 6,080,987 14.98 Nortrust Nominee Ltd 5,320,632 A/C MKK01 PRUCLT HSBC GIS NOM 760,355 (UK) PPL AC M&G Securities 5,320,632 13.11Limited Nortrust Nominee Ltd 5,320,632 A/C MKK01 This information is provided by RNS The company news service from the London Stock Exchange