Holding(s) in Company

Diagonal PLC
12 January 2004


                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

DIAGONAL PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

UBS GLOBAL ASSET MANAGEMENT


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.




5)   Number of shares/amount of stock acquired.

-


6)   ( - %) of issued Class

7)   Number of shares/amount of stock disposed

-


8)   ( - %) of issued Class

9)   Class of security

ORDINARY SHARES OF 10P EACH


10)  Date of transaction

-


11)  Date company informed

12 JANUARY 2004


12)  Total holding following this notification

3,761,749

               
13)  Total percentage holding of issued class following this notification

4.2%


14)  Any additional information




15)  Name of contact and telephone number for queries

IAN FARRELLY
COMPANY SECRETARY
01252 733711


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

     Date of Notification ........................12 JANUARY 2004



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