Holding(s) in Company

Informa Group PLC
10 September 2003

                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY
     INFORMA GROUP PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST
     HENDERSON GLOBAL INVESTORS LIMITED


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 2 ABOVE


4)   Name of the registered holder(s) and, if more than one holder, the 
     number of shares held by each of them.
     HENDERSON GLOBAL INVESTORS LIMITED AND ITS ASSOCIATED COMPANIES


5)   Number of shares/amount of stock acquired.
     1,025,000


6)   Percentage of issued Class
     0.79%

7)   Number of shares/amount of stock disposed
     -

8)   Percentage of issued Class
     -

9)   Class of security
     ORDINARY SHARES OF 10P 


10)  Date of transaction
     8-9-03


11)  Date company informed
     9-9-03


12)  Total holding following this notification
     13,654,393

               
13)  Total percentage holding of issued class following this notification
     10.64%


14)  Any additional information
     ISSUED SHARE CAPITAL 128,286,711


15)  Name of contact and telephone number for queries
     ANDREA WILSON 020 7017 4311


16)  Name and signature of authorised company official responsible for 
     making this notification
     JAMES WILKINSON
     
     Date of Notification
     10 SEPTEMBER 2003


                      This information is provided by RNS
            The company news service from the London Stock Exchange