Notification of Interests

YouGov PLC 23 October 2007 This replaces the anouncemnt sent yesterday on rns number 1269G. Information corrected in points 11 & 12 TR-1: Notifications of Major Interests in Shares 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: YouGov PLC 2. Reason for the notification (please place an X inside the appropriate bracket/s): 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 notification obligation: Fidelity International Limited (FIL) 4. Full name of shareholder(s) (if different from 3) : ................. 5. Date of transaction (and date on which the threshold is crossed or reached if different): October 17, 2007 6. Date on which issuer notified: October 19, 2007 7. Threshold(s) that is/are crossed or reached: 10% 8. Notified Details: A: Voting rights attached to shares 8: Notified Details A: Voting rights attached to shares Class/type of Situation previous Resulting situation after the triggering shares to the triggering transaction transaction If possible Number Number of Number of Number of voting Percentage of use ISIN code of voting shares rights voting rights shares rights Direct Indirect Direct Indirect ISIN GB00B0771P53 8,712,540 8,712,540 10,002,840 10.79% B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration date Exercise/conversion No. of voting rights % of voting financial period/date that may be acquired rights instrument (if the instrument exercised/ converted) Total (A+B) Number of voting % of voting rights rights 10,002,840 10.79% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: Shares Nominee Management held Company 236,700 Bank of New York FPM Brussels Fidelity International Limited (FIL) is the parent holding company 5,793,070 Brown Bros FIL for various direct and indirect Harrimn Ltd Lux subsidiaries, including Fidelity Fund Management Limited (FFML), 229,500 Brown Bros FIJ Fidelity Investment Services Ltd Harrimn and Co (FISL), Fidelity Gestion (FIGEST), Fidelity Investments Advisory 1,177,970 JP Morgan, FIL (Korea)Limited (FIAKL), Fidelity Bournemouth Investments Mangement (Hong Kong) Limited (FIMHK), Fidelity Pension 2,057,200 JP Morgan, FISL Management(FPM), Fidelity Bournemouth Investments Japan (FIJ) and Fidelity Investments International 66,600 JP Morgan, FPM (FII), investment managers for Bournemouth various non-US investment companies and institutional clients. 338,900 Northern Trust FPM London 102,900 State STR BK and FPM TR Co LNDN ................. Proxy Voting: 10. Name of proxy holder: Fidelity International Limited (FIL) 11. Number of voting rights proxy holder will acquire to hold: 1,290,300 12. Date on which proxy holder will acquire to hold voting rights: 17 October 2007 13. Additional information: 14. Contact name: David Merryweather 15. Contact telephone number: ...fil-regulatoryreporting@uk.fid-intl.com For notes on how to complete form TR-1 please see the FSA website. This information is provided by RNS The company news service from the London Stock Exchange

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