Holding(s) in Company

Dialight PLC
22 February 2006




             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF LISTED COMPANY

     DIALIGHT PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     AVIVA PLC AND ITS SUBSIDIARIES


3)   Please state whether notification indicates that it is 
     regarding the holding of the shareholder named in 2 above;
     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.

     MORLEY FUND MANAGEMENT LIMITED
     BNY NORWICH UNION NOMINEES LIMIT      290,575
     CHASE GA GROUP NOMINEES LIMITED     1,211,619
     CUIM NOMINEE LIMITED                  324,058
     TOTAL                               1,826,252


5)   Number of shares/amount of stock acquired.



6)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)



7)   Number of shares/amount of stock disposed

     106,112


8)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)

     0.33%


9)   Class of security

     ORDINARY SHARES OF 1.89p EACH


10)  Date of transaction

     20-FEB-06


11)  Date listed company informed

     21-FEB-06


12)  Total holding following this notification

     1,826,252

               
13)  Total percentage holding of issued class following this notification
     (any treasury shares held by the listed company should not be taken
     into account when calculating percentage)

     5.64%


14)  Any additional information



15)  Name of contact and telephone number for queries

     C A BUCKLEY
     01480 447490


16)  Name and signature of duly authorised officer of the listed company
     responsible for making this notification


     Date of Notification 

     22-FEB-06






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