RNS Number : 2375E Dialight PLC 16 September 2024 Dialight plc (the "Company") Director / PDMR Shareholding Dialight plc (LSE: DIA.L), a global leader in sustainable LED lighting for industrial applications, announces it has been notified of the following dealings by a person discharging managerial responsibilities ("PDMR"): Steve Blair, CEO of the Company, purchased 5,756 ordinary shares of 1.89 pence each in the Company ("Ordinary Shares"), each at a price of 223.0785 pence.  Following this purchase Steve is interested in a total of 80,055 Ordinary Shares, representing 0.20% of the Company's issued share capital. Richard Allan General Counsel & Company Secretary DD: +44 (0) 7740 882227 The information below, set out in accordance with the requirement of Article 19 of the EU Market Abuse Regulation 596/2014 (as incorporated into UK domestic law by the European Union (Withdrawal) Act 2018), provides further details: This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com. RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END DSHGPUMWBUPCPWA