Director/PDMR Shareholding

Dialight plc (the "Company")

Director/PDMR Shareholding

21 December 2016

The Company has been notified that on Wednesday, 21 December 2016, David Thomas, a Non-Executive Director of the Company, purchased a total of 1,294 ordinary shares of £0.0189 each in the Company. The shares were purchased at £8.03 per share.

Following this transaction David Thomas now holds a total of 1,294 ordinary shares, representing 0.0040% of the total issued share capital of the Company.

This notification was received by the Company on 21 December 2016 and was made in accordance with the Market Abuse Regulation and Disclosure Transparency Rules.

For more information

Chris Fussell

General Counsel and Company Secretary

Tel: +44 (0) 203 058 3546