London Stock Exchange : Notice of Availability and Voting Instructions

London Stock Exchange Group plc

10 Paternoster Square

London

EC4M 7LS

Telephone [phone]

lseg.com

21 March 2024

Dear Shareholder

London Stock Exchange Group plc - Notice of Availability and Voting Instructions

I write to inform you that the Notice of Annual General Meeting ('AGM') and the Annual Report and Accounts for the year ended 31 December 2023 are available to view and download electronically at www.lseg.com/investor-relations.

The AGM will be held at '87 Barts Close', 87 Bartholomew Close, London EC1A 7EB on Thursday 25 April 2024 at 10.30 a.m.

You can vote your shares online at www.sharevote.co.uk or by scanning the QR code below. You will need to use your Voting ID, Task ID and Shareholder Reference (shown below) to log on.

Please note that voting instructions must be registered by no later than 10.30 a.m. on Tuesday 23 April 2024.

Voting ID

Task ID

Shareholder reference

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.

You have received this letter because you are deemed to have consented to receive shareholder documentation by means of a website, with paper notification of the publication of any documents on our website. 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.

If you have any questions concerning this letter or cannot locate or access the Notice of AGM on the website, please contact Equiniti by calling the helpline on +(0)371 384 2544. Lines are open from 8.30am to 5.30pm, Monday to Friday, excluding public holidays in England and Wales.

Yours faithfully

Lisa Condron

Company Secretary

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London Stock Exchange Group plc. Registered in England & Wales No 05369106. Registered office 10 Paternoster Square, London, EC4M 7LS.

Toppan Merrill, London

24-6850-5