Notification of Interests

YouGov PLC 08 October 2007 Form TR-1 with annex. FSA Version 2.1 updated April 2007 For filings with the FSA include the annex For filings with issuer exclude the annex 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 notification (yes/no) An acquisition or disposal of voting rights 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 Yes Other (please specify): 3. Full name of person(s) subject to notification obligation: Baillie Gifford & Co 4. Full name of shareholder(s) (if different from 3): 5. Date of transaction (and date on 01-Oct-07 which the threshold is crossed or reached if different): 6. Date on which issuer notified: 05-Oct-07 7. Threshold(s) that is/are crossed or 5% reached: 8: Notified Details A: Voting rights attached to shares Class/type Situation previous Resulting situation after the triggering of shares to the triggering transaction transaction If possible Number of Number of Number of Number of voting Percentage of voting use ISIN shares voting shares rights rights code rights Direct Indirect Direct Indirect Ordinary 3495500 5.23 Below 5% Below 5% Below 5% Share GB00B1VQ6H25 B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration date Exercise/ No. of voting Percentage of financial conversion rights that may voting rights instrument period/date be acquired (if the instrument exercised/ converted) N/A Total (A+B) Number of voting rights Percentage of voting rights Below 5% Below 5% 9. Chain of controlled undertakings through which the voting rights and /or the financial instruments are effectively held, if applicable: In the narrative below, the figures in ( ) indicate the amount of voting rights and the percentage held by each controlled undertaking where relevant. Baillie Gifford & Co, a discretionary investment manager, is the parent undertaking of an investment management group. Its wholly-owned direct subsidiary undertaking Baillie Gifford Overseas Limited (1152500; 1.2%) is also a discretionary investment manager. Its wholly-owned indirect (via Baillie Gifford Life Limited) subsidiary undertaking Baillie Gifford & Co Limited (2343000; 2.5%) is an OEIC Authorised Corporate Director and Unit Trust Manager which has delegated its discretionary investment management role to Baillie Gifford & Co. Proxy Voting: 10. Name of proxy holder: N/A 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: This notification is made to reflect a passive change in the percentage shareholding of Baillie Gifford & Co. It follows the most recent month end announcement made by YouGov plc on 1 October 2007 in accordance with DTR 5.6.1R that its issued voting share capital is 92,638,113 ordinary shares of 0.2p each 14 Contact name: Myra McIntyre Scott Russell 15. Contact telephone number: 0131 275 2154 0131 275 2106 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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