Holding(s) in Company

Dialight PLC
26 June 2006

                       SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     DIALIGHT PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     ROYAL MAIL TRUSTEES LIMITED
     AS LIMITED PARTNER IN HERMES UK SMALL CO FUND


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

     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.

     CHASE NOMINEES LTD                              3,934,570

                                                     3,934,570


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

     22 JUNE 06


11)  Date company informed

     23 JUNE 06


12)  Total holding following this notification

     3,934,570

               
13)  Total percentage holding of issued class following this notification 

     12.595%



14)  Any additional information




15)  Name of contact and telephone number for queries

     C A BUCKLEY
     01480 447490


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



     Date of Notification    26 JUNE 2006






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