Holding(s) in Company

Rurelec PLC 03 July 2007 Rurelec PLC Holdings in Company TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached (ii): Rurelec PLC 2. Reason for the notification: An acquisition or disposal of voting rights 3. Full name of person(s) subject to the notification obligation: The Tudor Group (Tudor Capital (U.K.) L.P, The Tudor BVI Global Portfolio L.P.) 4. Full name of shareholder(s): LBPB Nominees Limited 5. Date of the transaction (and date on which the threshold is crossed or reached if different): 29 June 2007 6. Date on which issuer notified: 3 July 2007 7. Threshold(s) that is/are crossed or reached: 6% 8. Notified details: A: Voting rights attached to shares Class/type of shares if possible Situation previous to the using the ISIN CODE Triggering transaction (vi) Number of Number of voting shares Rights (viii) GB00B01XPW41 3,400,000 3,400,000 Resulting situation after the triggering transaction (vii) Class/type of shares Number of shares Number of voting rights % of voting rights if possible using (ix) the ISIN CODE Direct Direct (x) Indirect (xi) Direct Indirect GB00B01XPW41 5,000,000 6.82% B: Financial Instruments Resulting situation after the triggering transaction (xii) Type of Expiration Date Exercise/Conversion Number of voting % of voting financial (xiii) Period/ Date (xiv) rights that may be rights instrument acquired if the instrument is exercised/ converted. Total (A+B) Number of voting % of voting rights rights 5,000,000 6.82% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable (xv): The Tudor BVI Global Portfolio Ltd is an investment fund advised by members of the Tudor Group of companies. The Tudor BVI Global Portfolio L.P. - 5,000,000 shares (6.82%) Proxy Voting: 10. Name of the proxy holder: ................. 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: ................. 15. Contact telephone number: ................. Annex to Notification of Major Interests in Shares (xvi) A: Identity of the person or legal entity subject to the notification obligation Full name (including legal form for legal entities): Rurelec PLC Contact address (registered office for legal entities): Prince Consort House, 27-29 Albert Embankment, London SE1 7TJ Phone number: +44 (0)20 7793 5610 Other useful information (at least legal representative for legal persons): B: Identity of the notifier, if applicable (xvii) Full name: Tudor Capital (U.K.) L.P. Contact address: Great Burgh Epsom Surrey KT18 5XT Phone number: 020 8786 3900 Other useful information (e.g. functional relationship with the person or legal entity subject to the notification obligation): C: Additional information : ................. This information is provided by RNS The company news service from the London Stock Exchange D HOLOKNKPPBKDDOK

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Rurelec (RUR)
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