Publication of the 2025 ARA and 2026 Notice of AGM

18 March 2026

LEI: 549300PT2CIHYN5GWJ21

Serco Group plc

(Serco or the Company)

Publication of the 2025 Annual Report and Accounts and 2026 Notice of Annual General Meeting

The Company announces that it has today sent or otherwise made available to shareholders the following documents:

· Annual Report and Accounts for the year ended 31 December 2025 (the Annual Report);

· Notice of Annual General Meeting 2026 (the Notice of AGM); and

· Form of Proxy for the 2026 Annual General Meeting (the AGM). 

The Annual Report and the Notice of AGM can also be viewed on the Company's website at www.serco.com.

In accordance with UK Listing Rule 6.4.1 and Financial Conduct Authority's Disclosure Guidance and Transparency Rules, copies of the above documents (with the Annual Report being in unedited full text) have been submitted to the National Storage Mechanism and will shortly be available for inspection at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

The AGM will be held at the offices of Clifford Chance LLP at 10 Upper Bank Street, London, E14 5JJ on Wednesday 22 April 2026 at 10.30am. Please refer to the Notice of AGM for further information.

Amanda Miller

Group General Counsel and Company Secretary

Ends

For further information please contact Serco:

Jamie Hastings, Head of Investor Relations | +44 (0) 7718 195 074 | [email protected]

Scot Marchbank, Group Communications and Marketing Director | +44 (0) 7958 675 706 | [email protected]

About Serco

Serco brings together the right people, the right technology, and the right partners to create innovative solutions that make a 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.