Holding in Company

INFORMA GROUP PLC

                    DEALINGS BY SUBSTANTIAL SHAREHOLDERS

1)  NAME OF COMPANY

          INFORMA GROUP PLC


2)  NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

          HENDERSON 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.

          AS 2 ABOVE

5)  Number of shares/amount of stock acquired.

          N/A

6)  ( N/A %) of issued Class

7)  Number of shares/amount of stock disposed

          100,000

8)  (0.086%) of issued Class

9)  Class of security

          ORDINARY SHARES OF 10 PENCE EACH

10) Date of transaction

          27 AUGUST 1999

11) Date company informed

          6 SEPTEMBER 1999

12) Total holding following this notification

          17,462,717

13) Total percentage holding of issued class following this notification

          14.99%

14) Any additional information

          ISSUED SHARE CAPITAL AS AT 7 SEPTEMBER 1999 - 116,512,083

15) Name of contact and telephone number for queries

          D W LODGE   0171 453 5972

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

    Date of Notification.....7 SEPTEMBER 1999...