Notice of Annual General Meeting

27 March 2025

BAE Systems plc

Notice of Annual General Meeting

BAE Systems plc (the "Company") announces that its 2025 Annual General Meeting (the "2025 AGM") will be digitally-enabled and will be held on Wednesday 7 May 2025 at 9.30 a.m. Full details and joining instructions are set out in the Notice of the 2025 AGM (the "AGM Notice").

The following documents have been posted or made available to shareholders today:

1. AGM Notice;

2. Notification of Annual Report 2024 and 2025 AGM; and

3. Proxy cards/Voting Instruction card for the 2025 AGM.

The AGM Notice is available online at: www.baesystems.com/reporting.

In addition, In accordance with UK Listing Rule 6.4.1R, copies of the above-mentioned documents (together with the Rules of the Company's Long-term Incentive Plan and the proposed new Articles of Association of the Company) will be submitted to the National Storage Mechanism today and will be shortly available for inspection at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

Please monitor our website at www.baesystems.com/reporting for any announcements and updates on arrangements for the 2025 AGM. Any changes to the 2025 AGM arrangements will also be announced through the London Stock Exchange.

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For further information, please contact:

Investor Relations Media Relations

Paul Checketts Kristina AndersonInvestor Relations Director Director, Media RelationsTelephone: +44 (0) 3300 46 6802 Telephone: +44 (0)7540 628673Email: [email protected] Email: [email protected]