London Stock Exchange Group PLC

TRANSACTIONS IN OWN SECURITIES

01 April 2025

London Stock Exchange Group plc (LSEG) announces today that it has purchased the following number of its ordinary shares of 6^79/86 pence each on the London Stock Exchange from Morgan Stanley & Co. International Plc (Morgan Stanley) as part of its share buyback programme, as announced on 3 March 2025:

Ordinary Shares

LSEG intends to hold the purchased shares in treasury.

Following the above transactions, LSEG holds 13,221,798 of its ordinary shares of 6^79/86 pence each in treasury and has 530,366,811 ordinary shares of 6^79/86 pence each in issue (excluding treasury shares). Therefore, the total voting rights in the Company will be 530,366,811. This figure for the total number of voting rights may be used by shareholders (and others with notification obligations) as the denominator for the calculation by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of Market Abuse Regulation (EU) No 596/2014 (as it forms part of the law of the United Kingdom by virtue of the European Union (Withdrawal) Act 2018, as implemented, retained, amended, extended, re-enacted or otherwise given effect in the United Kingdom from 1 January 2021 and as amended or supplemented in the United Kingdom thereafter) a full breakdown of the individual trades made by the Morgan Stanley on behalf of the Company as part of the buyback programme is included below.

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

For further information, please contact:

Schedule of Purchases

Aggregate Information:

Detailed Information: