Share Buyback Programme

News release

QinetiQ Group plc

Share Buyback Programme

5 June 2025 - QinetiQ Group plc ("QinetiQ" or the "Group") confirms the completion by Numis Securities Limited ("Deutsche Numis") of the third £50 million tranche of its share buyback programme, as announced on 3 February 2025. On 17 March 2025, QinetiQ announced a further extension to its share buyback programme of up to £200m over the following two years (the "Programme").

QinetiQ has today entered into an agreement with Deutsche Numis to execute the first tranche of the £200 million Programme, with a maximum aggregate value of up to £50 million (the "First Tranche"). Under the First Tranche, which is expected to complete by no later than 28 November, Deutsche Numis will make trading decisions independently of QinetiQ in accordance with certain pre-set parameters. The First Tranche will be effected under the authority granted by shareholders at QinetiQ's Annual General Meeting held on 18 July 2024 (the "2024 Authority"), and any subsequent authority granted at QinetiQ's 2025 Annual General Meeting. The maximum remaining number of shares that may be repurchased pursuant to the 2024 Authority is 30,892,966 Ordinary Shares.

Any purchases under the Programme will be carried out on the London Stock Exchange and any other UK recognised investment exchange which may be agreed, in accordance with pre-set parameters and in accordance with the Buyback Authority, Chapter 12 of the UK Financial Conduct Authority's Listing Rules, and Regulation (EU) No 596/2014 and Commission Delegated Regulation (EU) No 2016/1052 (both as they form part of UK domestic law by virtue of the European Union (Withdrawal) Act 2018), including where relevant pursuant to the UK Market Abuse (Amendment) (EU Exit) Regulations 2019.

Any Ordinary Shares purchased pursuant to the Programme will be cancelled, and the number of Ordinary Shares in issue reduced accordingly.

About QinetiQ

QinetiQ is an integrated global defence and security company focused on mission-led innovation. QinetiQ employs circa 8,500 highly-skilled people, committed to creating new ways of protecting what matters most; testing technologies, systems, and processes to make sure they meet operational needs; and enabling customers to deploy new and enhanced capabilities with the assurance they will deliver the performance required.

For further information please contact:

Stephen Lamacraft, Interim Group Investor Relations Director: +44 (0) 7471 885817

Stephanie Mann, Group Head of Media Relations: +44 (0) 7770 720268

James Field, Company Secretary: +44 (0) 7841 662957