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Reed Elsevier PLC 16 May 2007 TR-1 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1. Identity of the issuer or the Reed Elsevier plc underlying issuer of existing shares to which voting rights are attached ii: 2. Reason for the notification (please tick the appropriate box or boxes) 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 Capital Group International, Inc. the notification obligation iii: 4. Full name of shareholder(s) (if different from 3.)iv: 5. Date of the transaction (and date 14 May 2007 on which the threshold is crossed or reached if different)v: 6. Date on which the issuer 15 May 2007 notified: 7. Threshold(s) that is/are crossed 3% or reached: 8. Notified details: A: Voting rights attached to shares Class/type of Situation previous to the Resulting situation after the triggering transaction vii shares (If Triggering transaction vi possible using Number of Number of Number of shares Number of voting % of voting rights the ISIN CODE) shares voting rights ix rightsviii Direct Indirect Direct x Indirect xi Direct Indirect Ordinary Shares 51,849,003 51,849,003 50,092,947 50,092,947 3.9285% B: Financial Instruments Resulting situation after the triggering transaction xii Type of financial Expiration datexiii Exercise/Conversion Number of voting rights % of voting rights instrument Period/Date xiv that may be acquired if the instrument is exercised/converted N/A Total (A+B) Number of voting rights % of voting rights 50,092,947 3.9285% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable xv: Proxy Voting: 9. Name of the proxy holder: 10. Number of voting rights proxy holder will cease to hold: 11. Date on which proxy holder will cease to hold voting rights: 12. Additional information: 13. Contact Name: Margaret Woods, Assistant Secretary Reed Elsevier PLC 14. Contact telephone number: 020 7166 5613 Attachment As of 14 May 2007 Reed Elsevier PLC Number of Percent of Shares Outstanding Capital Group International, Inc. ('CGII') holdings 50,092,947 3.929% Holdings by CGII Management Companies and Funds: • Capital Guardian Trust Company 30,313,735 2.377% • Capital International Limited 16,003,437 1.255% • Capital International S.A. 3,598,300 0.282% • Capital International, Inc. 177,475 0.014% This information is provided by RNS The company news service from the London Stock Exchange

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