Holding(s) in Company

Dialight PLC
20 December 2006


             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     DIALIGHT PLC
     

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     ABERFORTH SMALLER COMPANIES TRUST plc

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.

     Nortrust Nominees Ltd A/C ABERFRTH          1,903,078
     
                               TOTAL             1,903,078  

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 transaction

     NOT KNOWN

11)  Date listed company informed

     18-Dec-06

12)  Total holding following this notification

     1,903,078
               
13)  Total percentage holding of issued class following this notification
     
     6.09%


14)  Any additional information

     Forms part of the interest of Aberforth Partners LLP

15)  Name of contact and telephone number for queries

     C A BUCKLEY

     01480 447 490

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

     Date of Notification 20.12.06






                      This information is provided by RNS
            The company news service from the London Stock Exchange
             SSSMSEDE