Holding(s) in Company

Informa PLC
30 November 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:

     Informa plc

     
2.   Reason for the notification (please state Yes/No): (   )

     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 the notification obligation:

     Aviva plc & its subsidiaries
 

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

     Registered Holder:

     BNY Norwich Union Nominees Limited     3,462,471*
     Chase GA Group Nominees Limited        9,682,269*
     Chase Nominees Limited                   718,649*
     CUIM Nominee Limited                   3,000,948*

     * denotes direct interest


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

     27 November 2007
 

6.   Date on which issuer notified:

     29 November 2007
 

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

     4% to 3% Change at Direct Interest level
 

8.   Notified details:


A:   Voting rights attached to shares

 
Class/type of shares            Situation previous to  
if possible using the           the Triggering         
ISIN CODE                       transaction        
                       Number of shares       Number of voting Rights 

Ordinary Shares 
GB0002625654           20,454,178             20,454,178

 

                     Resulting situation after the triggering transaction 
 
Class/type of shares Number of shares Number of voting rights % of voting rights  
if possible using                                                                 
the ISIN CODE                                                                         
                     Direct  Indirect Direct      Indirect    Direct   Indirect  

Ordinary Shares 
GB0002625654         16,864,337       16,864,337    Not       3.97%      Not
                                                disclosable          disclosable

B: Financial Instruments

Resulting situation after the triggering transaction 

Type of     Expiration Date  Exercise/Conversion Number of voting     % of voting     
financial                    Period/ Date        rights that may be   rights          
instrument                                       acquired if the                      
                                                 instrument is                        
                                                 exercised/                           
                                                 converted.                           

 
                                  N/A


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

16,864,337                    3.97% 

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

     See Section 4
 


Proxy Voting:


 
10.  Name of the proxy holder:

     See Section 4
 

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:
          
     Figures are based on a total number of voting rights of 424,618,495.
 

14.  Contact name:

     Neil Whittaker
 

15.  Contact telephone number:

     01603 684420



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