Admission of Converted Ordinary Shares

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

12 October 2023

Admission of Converted Ordinary Shares

Further to the announcement by London Stock Exchange Group plc ("LSEG" or the "Company") on 11 October 2023, LSEG now confirms that a total of 15,825,864 and 5,174,136 limited-voting ordinary shares of 679/86 pence each of the Company held by York Holdings II Limited and York Holdings III Limited respectively have been converted into voting ordinary shares of 679/86 pence each (the "Converted Ordinary Shares") on a one-for-one basis.

LSEG also confirms that admission of the Converted Ordinary Shares to the premium segment of the Official List and to trading on London Stock Exchange's Main Market took place at 8:00 a.m. on 12 October 2023 ("Admission").

Following Admission, LSEG confirms that its share capital consists of: (i) 520,585,072 voting ordinary shares of 6 79/86 pence each (excluding treasury shares), which carry one vote each; and (ii) 20,623,911 limited-voting ordinary shares of 6 79/86 pence each, which carry one-tenth of a vote each. LSEG holds 7,632,733 of its voting ordinary shares in treasury. Therefore, the total number of voting rights in LSEG on 12 October 2023 is 522,647,463. 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.

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