Director Declaration

Serco Group plc (the Company or Serco)

Legal Entity Identifier: 549300PT2CIHYN5GWJ21

Director Declaration

The Company has been notified that Tim Lodge, an Independent Non-Executive Director (NED) will be appointed as a Non-Executive Director of Howden Joinery Group Plc with effect from 1 January 2025. Following his appointment, Tim will join the Audit, Remuneration, Nominations and Sustainability Committees and will additionally take on the role of Audit Committee Chair from 1 May 2025.

This announcement is made in accordance with Listing Rule 6.4.9(2).

Nickesha Graham-Burrell

Group Company Secretary

11 November 2024

Ends

For further information please contact:

Paul Checketts, Group Head of Investor Relations, tel: +44 (0) 7718 195 074 or email: paul.checketts@serco.com

Scot Marchbank, Group Communications and Marketing Director, tel: +44 (0) 7958 675 706 or email: scot.marchbank@serco.com

About Serco

Serco brings together the right people, the right technology and the right partners to create innovative solutions that make positive impact and address some of the most urgent and complex challenges facing the modern world. With a primary focus on serving governments globally, Serco's services are powered by more than 50,000 people working across defence, space, migration, justice, healthcare, mobility and customer services. Serco's core capabilities include service design and advisory, resourcing, complex programme management, systems integration, case management, engineering, and asset & facilities management.

Underpinned by Serco's unique operating model, Serco drives innovation and supports customers from service discovery through to delivery. More information can be found at www.serco.com.