Dialight plc (the "Group" or "Dialight")

Appointment of interim Chief Financial Officer

Dialight (LSE: DIA.L), a global leader in sustainable LED lighting for industrial applications, is pleased to announce the appointment of Mark Fryer as interim Chief Financial Officer and executive director of the Group with effect from 6 January 2025. Mark is a qualified accountant and experienced CFO, and has previously held roles with, and has been a director of, Augean Limited (previously Augean plc), Franchise Brands plc and Anexo Group plc.

There are no further matters to be disclosed pursuant to Listing Rule 6.4.8R.

Contacts:

Dialight plc

Tel: +44 (0)203 058 3542

Steve Blair - Group Chief Executive Neil Johnson - Group Chair

Richard Allan - General Counsel & Company Secretary

About Dialight:

Dialight (LSE: DIA.L) is a global leader in sustainable LED lighting for industrial applications. Dialight's LED products are providing the next generation of lighting solutions that deliver reduced energy consumption and create a safer working environment. Our products are specifically designed to provide superior operational performance, reliability and durability, reducing energy consumption and ongoing maintenance and achieving a rapid return on investment. The company is headquartered in the UK with operations in Australia, Dubai, Germany, Malaysia, Mexico, Singapore, the UK and the USA. www.dialight.com.

Notes:

The person responsible for making this announcement is Richard Allan, General Counsel & Company Secretary of Dialight plc