Blocklisting Interim Review

Dialight PLC
18 May 2006


                                SCHEDULE 5
                    BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:

   DIALIGHT PLC


2. NAME OF SCHEME:

   BLOCKLISTING


3. PERIOD OF RETURN:     FROM:            TO:

                         25-NOV-05        18-MAY-06


4. NUMBER AND CLASS OF SHARE(S)
   (AMOUNT OF STOCK/DEBT SECURITY)
   NOT ISSUED UNDER SCHEME
   AT END OF THE LAST PERIOD:               UK             UK          TOTAL
                                         SHARESAVE     SHARE OPTION

                                          21,041          1,459        22,500


5. NUMBER OF SHARES ISSUED/ALLOTTED
   UNDER SCHEME DURING PERIOD:

                         ALLOTTED              -              0             0
                           ISSUED                             0             0


6. BALANCE UNDER SCHEME NOT YET ISSUED/ALLOTTED 
   AT END OF PERIOD:

                                          21,041          1,459        22,500


7. NUMBER AND CLASS OF SHARE(S) 
   (AMOUNT OF STOCK/DEBT SECURITIES) 
   ORIGINALLY LISTED AND THE DATE OF ADMISSION:

   895,028 SHARES BLOCKLISTED ON 14 SEPTEMBER 2005
   150,000 SHARES BLOCKLISTED ON 24 MAY 1994
   175,000 SHARES BLOCKLISTED ON 24 JANUARY 1996
   370,000 SHARES BLOCKLISTED ON 12 MAY 1999
   275,000 SHARES BLOCKLISTED ON 11 APRIL 2001

PLEASE CONFIRM TOTAL NUMBER OF SHARES IN ISSUE AT THE END OF THE PERIOD
IN ORDER FOR US TO UPDATE OUR RECORDS.

   31,239,501 ORDINARY SHARES


CONTACT FOR QUERIES

NAME:                    C A BUCKLEY

TELEPHONE:               01480 447490


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