Holding(s) in Company

Dialight PLC
22 December 2006

  
                       NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

DIALIGHT PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

ABERFORTH PARTNERSHIP 

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

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                     4,399,710
THE CHURCH COMMISSIONERS FOR ENGLAND (Cl             338,500
BANK OF IRELAND NOMINEES LTD                         232,675
STATE STREET NOMINEES LTD A/C JD59                   510,007  

                                        TOTAL      5,480,892

5)   Number of shares/amount of stock acquired.

NOT KNOWN

6)   Percentage of issued Class 



7)   Number of shares/amount of stock disposed


8)   Percentage of issued Class 



9)   Class of security

ORDINARY SHARES OF 1.89P EACH

10)  Date of ownership change

NOT KNOWN

11)  Date listed company informed

22-DEC-06 

12)  Total holding following this notification

5,480,892
               
13)  Total percentage holding of issued class following this notification

17,55%

14)  Any additional information



15)  Name of contact and telephone number for queries

C A BUCKLEY

1480 447490

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

     C A BUCKLEY  
     COMPANY SECRETARY

     Date of Notification ... 22-DEC-06  .....................








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