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

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Dialight (DIA)
UK 100

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