Holding(s) in Company

Informa PLC
03 February 2006

                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

Informa plc

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

Aviva plc and its subsidiaries

3)   Please state whether notification indicates that it is in respect of 
     holding of the Shareholder named in 2 above or in respect of a 
     non-beneficial interest or in the case of an individual holder if it is a
     holding of that person's spouse or children under the age of 18

As in 2 above

4)   Name of the registered holder(s) and, if more than one holder, the 
     number of shares held by each of them.

Morley Fund Management Ltd:
BNY Norwich Union Nominees Limited                4,181,664*
Chase GA Group Nominees Limited                   3,471,074*
Chase Nominees Limited                              542,000*
CUIM Nominee Limited                              4,444,105*

* denotes beneficial interest

5)   Number of shares/amount of stock acquired.

N/A

6)   Percentage of issued Class

N/A

7)   Number of shares/amount of stock disposed

N/A

8)   Percentage of issued Class

N/A

9)   Class of security

Ordinary shares of 10 pence each

10)  Date of transaction

2 February 2006

11)  Date company informed

3 February 2006

12)  Total holding following this notification

12,638,843*

* beneficial interest only
               
13)  Total percentage holding of issued class following this notification

2.99%

14)  Any additional information

Figures are based on shares in issue of 421,759,777

This notification is prompted by a non market transfer of 201,017 shares from
a fund in which we have a beneficial interest to a fund in which we have no
beneficial interest.

15)  Name of contact and telephone number for queries

ANDREA CALLABY  TEL: [phone]

16)  Name and signature of authorised company official responsible for 
     making this notification

ANDREA CALLABY, DEPUTY COMPANY SECRETARY

     Date of Notification          3 FEBRUARY 2006



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