Holding(s) in Company

Reed Elsevier PLC
13 July 2007

TR-1 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:

Reed Elsevier 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
the acquisition of shares already issued to which voting rights are
attached

An event changing the breakdown of voting rights

Other (please specify):

Initial holding notification                                                 X

3. Full name of person(s) subject to                                
the notification obligation iii:

Allianz SE

4. Full name of shareholder(s) (if
different from 3.)iv:

Allianz Global Investors Global Equity Business Unit

5. Date of the transaction (and date
on which the threshold is crossed or
reached if different)v:

6. Date on which the issuer                                        
notified:

13 July 2007

7. Threshold(s) that is/are crossed                                     
or reached:

4%

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

GB0007308355                                                                                  

                                             336,000                336,000    43,341,160     0.03%    3.38%


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



Total (A+B)
Number of voting rights                                   % of voting rights

43,677,160                                                      3.41%



9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable xv:

Allianz Global Investors Global Equity Business Unit is a wholly owned
subsidiary of Allianz SE.


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:                               

Allianz Global Investors Global Equity Business Unit
hold an indirect interes of 3.278%

13. Contact Name:

Marsha Watson, Secretarial Assistant
Reed Elsevier PLC

14. Contact telephone number:

020 7166 5653







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