Holding(s) in Company

Dialight PLC 28 June 2006 SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) NAME OF COMPANY DIALIGHT PLC 2) NAME OF SHAREHOLDER HAVING A MAJOR INTEREST AVIVA PLC AND ITS SUBSIDIARIES 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. MORLEY FUND MANAGEMENT LIMITED BNY NORWICH UNION NOMINEES LIMITED 212,173 CHASE GA GROUP NOMINEES LIMITED 566,949 CUIM NOMINEE LIMITED 204,674 VIDACOS NOMINEES 16,623 TOTAL 1,000,419 5) Number of shares/amount of stock acquired. 6) Percentage of issued Class 7) Number of shares/amount of stock disposed 275,256 8) Percentage of issued Class 0.88% 9) Class of security ORDINARY SHARES OF 1.89P EACH 10) Date of transaction 23 JUNE 06 11) Date company informed 26 JUNE 06 12) Total holding following this notification 1,000,419 13) Total percentage holding of issued class following this notification 3.20% 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 28 JUNE 2006 This information is provided by RNS The company news service from the London Stock Exchange

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Dialight (DIA)
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