Holding(s) in Company

Dialight PLC
19 May 2006


                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     DIALIGHT 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

     IN RESPECT OF SHAREHOLDERS IN 2) ABOVE



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

     NORTRUST NOMINEES A/C ABERFRTH                  7,324,115
     THE CHURCH COMMISSIONERS FOR ENGLAND (C)          296,500
     BANK OF IRELAND NOMINEES LTD                      198,175
     STATE STREET NOMINEES LTD A/C JD59                337,307

                                          TOTAL      8,156,097   


5)   Number of shares/amount of stock acquired.



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


7)   Number of shares/amount of stock disposed

     Not known

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


9)   Class of security

     ORDINARY SHARES OF 1.89P EACH

10)  Date of transaction

     NOT KNOWN

11)  Date company informed

     19-May-06

12)  Total holding following this notification

     8,156,097
               
13)  Total percentage holding of issued class following this notification (any 
     treasury shares held by the company should not be taken into account 
     when calculating percentage)

     26.11%

14)  Any additional information



15)  Name of contact and telephone number for queries

     C A BUCKLEY

     1480 447490

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

     C A BUCKLEY
     COMPANY SECRETARY

     Date of Notification ........... 19-May-06



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