Holding(s) in Company

Dialight PLC 11 December 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 7,288,632 7,288,632 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 7 DECEMBER 2006 11) Date company informed 8 DECEMBER 2006 12) Total holding following this notification 7,288,632 13) Total percentage holding of issued class following this notification 23.333% 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 11 DECEMBER 2006 This information is provided by RNS The company news service from the London Stock Exchange

Companies

Dialight (DIA)
UK 100