Holding(s) in Company

Diagonal PLC
15 January 2003


                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

     DIAGONAL PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     ABERFORTH PARTNERS

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.

     CLYDESDALE BANK (HEAD OFFICE) NOMINEES LTD:
     A/C ABERFIT1                 2,942,900
     A/C ABERFIT2                 1,589,300
     A/C ABERFIT3                 1,017,800
     A/C ABERFUT1                 3,131,320

     STATE STREET NOMINEES LTD:
     A/C JD59                       642,200

     TOTAL                        9,323,520


5)   Number of shares/amount of stock acquired.

     -

6)   (N/A%) of issued Class

7)   Number of shares/amount of stock disposed

     -

8)   (N/A%) of issued Class

9)   Class of security

     ORDINARY SHARES OF 10P EACH

10)  Date of transaction

     -

11)  Date company informed

     15 JANUARY 2003

12)  Total holding following this notification

     9,323,520
               
13)  Total percentage holding of issued class following this notification

     10.43%

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  15 JANUARY 2003


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