QinetiQ Group PLC

Pre-Annual General Meeting Information • Jun 13, 2022

13 June 2022

Dear Shareholder,

The 2022 Annual General Meeting (AGM) of QinetiQ Group plc (the Company) will be held at the offices of Ashurst LLP, London Fruit & Wool Exchange, 1 Duval Square, London E1 6PW on Thursday 21 July 2022 at 11.00am.

Depending on your personal election on how to receive Company notifications, the notice of AGM, the Report and Accounts for the year ended 31 March 2022, and the voting card, are either enclosed with this letter (if you elected for a paper copy) or can be viewed and downloaded from the 'Shareholder Services' section of the 'Investors' pages on www.QinetiQ.com. If you would like to receive future notifications issued by the Company by email rather than by letter, please visit www.shareview.co.uk and complete your registration details. This would also help reduce our impact on the environment.

You can vote your shares online at www.sharevote.co.uk. You will need to use your Voting ID, Task ID and Shareholder Reference Number (shown below) to log on. Please note that voting instructions must be registered by no later than 11.00am on Tuesday, 19 July 2022.

Voting ID	XXXX
Task ID	XXXX
Shareholder Reference Number	XXXX

If you hold your shares in CREST, please follow the instructions to appoint a proxy in note 5 of the notice of AGM.

If you have become a shareholder since 1 June 2021, and have yet to make an election on how to receive Company notifications, please turn to the enclosed form, where details of the options available to you, together with the action you need to take, are explained.

Please note that this letter does not contain a summary of the contents of the Notice of AGM and should not be regarded as a substitute for reading the Notice of AGM in full. Please view and download the Notice of AGM before deciding how to vote on the resolutions.

The results of the voting will be announced to the UK Listing Authority and will be published on our website www.QinetiQ.com as soon as practicable after the AGM.

Your Board considers that each of the resolutions detailed in the notice of AGM will promote the success of the Company and is in the best interests of the Company and its shareholders. The Directors intend to vote in favour of all resolutions in respect of their own beneficial shareholdings of ordinary shares in the Company and unanimously recommend that you do the same.

Thank you for your continued support of the Company.

Yours sincerely

Neil Johnson Group Chair QinetiQ Group plc

Hampshire GU14 0LX United Kingdom QinetiQ Group plc Registered in England No. 4586941 Cody Technology Park, Ively Road Farnborough, Hampshire GU14 0LX