Holding(s) in Company

Diagonal PLC
24 January 2002


                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

     DIAGONAL PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     HENDERSON GLOBAL INVESTORS

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

     SEE 2 ABOVE

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

     SEE 2 ABOVE

5)   Number of shares/amount of stock acquired.

     -

6)   ( - %) of issued Class

7)   Number of shares/amount of stock disposed

     50,000

8)   ( 0.056 %) of issued Class

9)   Class of security

     ORDINARY SHARES OF 10P EACH

10)  Date of transaction

     22 JANUARY 2002

11)  Date company informed

     23 JANUARY 2002

12)  Total holding following this notification

     19,405,148
               
13)  Total percentage holding of issued class following this notification

     21.97%

14)  Any additional information

     N/A

15)  Name of contact and telephone number for queries

     IAN FARRELLY
     01252 733 711

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

     Date of Notification ..24 JANUARY 2002......................



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