BAE Systems plc

Transaction in own shares

BAE Systems plc (the "Company") announces that, in accordance with the terms of its share repurchase programme announced on 2 August 2023 (the "Buyback Programme") and following the announcement on 1 July 2025 in relation to the initiation of the second tranche (the "Second Tranche") of the Buyback Programme, it has purchased for cancellation the following number of its ordinary shares of 2.5 pence each on the London Stock Exchange from Morgan Stanley & Co. International plc ("Morgan Stanley"):

Date of purchase:                                                       03 December 2025

Number of ordinary shares purchased:                      101,476

Highest price paid per ordinary share (p):                  1,642.50

Lowest price paid per ordinary share (p):                   1,623.00

Volume weighted average price paid per share (p):  1,634.18

The Company intends to cancel all of the purchased ordinary shares.

In accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No 596/2014 (as it forms part of domestic law by virtue of the European Union (Withdrawal) Act 2018, as amended), a full breakdown of the individual purchases of ordinary shares made by Morgan Stanley on behalf of the Company can be found at:

http://www.rns-pdf.londonstockexchange.com/rns/1501K_1-2025-12-3.pdf

In relation to the Second Tranche, the Company has purchased 13,380,446 ordinary shares in aggregate at a volume weighted average price of 1,822.06p per ordinary share.

This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction.

This announcement will also be available on the Company's website at: https://investors.baesystems.com/regulatory-news

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