Director/PDMR Shareholding

Dialight PLC 10 April 2008 NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS This form is intended for use by an issuer to make a RIS notification required by DR 3.1.4R(1). (1) An issuer making a notification in respect of a transaction relating to the shares or debentures of the issuer should complete boxes 1 to 16, 23 and 24. (2) An issuer making a notification in respect of a derivative relating to the shares of the issuer should complete boxes 1 to 4, 6, 8, 13, 14, 16, 23 and 24. (3) An issuer making a notification in respect of options granted to a director/person discharging managerial responsibilities should complete boxes 1 to 3 and 17 to 24. (4) An issuer making a notification in respect of a financial instrument relating to the shares of the issuer (other than a debenture) should complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24. Please complete all relevant boxes in block capital letters. 1. Name of the issuer DIALIGHT PLC 2. State whether the notification relates to (i) a transaction notified in accordance with DR 3.1.4R(1)(a); or (ii) DR 3.1.4(R)(1)(b) a disclosure made in accordance with section 324 (as extended by section 328) of the Companies Act 1985; or (iii) both (i) and (ii) BOTH (I) AND (II) 3. Name of person discharging managerial responsibilities/director T.R. BURTON 4. State whether notification relates to a person connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person NO 5. Indicate whether the notification is in respect of a holding of the person referred to in 3 or 4 above or in respect of a non-beneficial interest 6. Description of shares (including class), debentures or derivatives or financial instruments relating to shares 7. Name of registered shareholders(s) and, if more than one, the number of shares held by each of them 8. State the nature of the transaction 9. Number of shares, debentures or financial instruments relating to shares acquired 10. Percentage of issued class acquired (treasury shares of that class should not be taken into account when calculating percentage) 11. Number of shares, debentures or financial instruments relating to shares disposed 12. Percentage of issued class disposed (treasury shares of that class should not be taken into account when calculating percentage) 13. Price per share or value of transaction 14. Date and place of transaction 15. Total holding following notification and total percentage holding following notification (any treasury shares should not be taken into account when calculating percentage) 16. Date issuer informed of transaction If a person discharging managerial responsibilities has been granted options by the issuer complete the following boxes 17. Date of grant 9TH APRIL 2008 18. Period during which or date on which it can be exercised 3 YEARS 19. Total amount paid (if any) for grant of the option NIL 20. Description of shares or debentures involved (class and number) ORDINARY SHARES 143360 21. Exercise price (if fixed at time of grant) or indication that price is to be fixed at the time of exercise 22. Total number of shares or debentures over which options held following notification 332459 23. Any additional information 24. Name of contact and telephone number for queries C A BUCKLEY 01480 447 490 Name and signature of duly authorised officer of issuer responsible for making notification Date of notification 10-APRIL-08 This information is provided by RNS The company news service from the London Stock Exchange

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Dialight (DIA)
UK 100

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