London Stock Exchange Group plc

FOR IMMEDIATE RELEASE

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN OR INTO OR FROM ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OR REGULATIONS OF SUCH JURISDICTION

7 May 2024

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Completion of off-market purchase

Further to its announcement on 1 May 2024, London Stock Exchange Group plc ("LSEG" or the "Company") today announces that it has completed the off-market purchase of 5,701,722 ordinary shares of 6^79/86 pence each of the Company (the "Off-Market Purchase") from York Holdings III Limited (an entity owned by BCP York Holdings (Delaware) L.P. (an entity owned by a consortium of certain investment funds affiliated with Blackstone Inc. and including an affiliate of Canada Pension Plan Investment Board, an affiliate of GIC Special Investments Pte. Ltd. and certain other co-investors), Thomson Reuters and certain other minority holders). The ordinary voting shares purchased by the Company will be held in treasury.

Following completion of the Off-Market Purchase, LSEG confirms that its share capital consists of 531,275,083 voting ordinary shares of 6^79/86 pence each (excluding treasury shares). LSEG holds 12,122,106 of its voting ordinary shares in treasury. Therefore, the total number of voting rights in LSEG on 7 May 2024 is 531,275,083.  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. The Off-Market Purchase completes the £1 billion of share buybacks the Company previously indicated it expected to execute during 2024.

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