London Stock Exchange Group PLC

Transaction in Own Shares • Nov 27, 2025

National Storage Mechanism | Additional information

RNS Number : 1738J

London Stock Exchange Group PLC

27 November 2025

27 November 2025

London Stock Exchange Group plc ("LSEG")

Transaction in Own Shares

LSEG announces it has purchased the following number of its ordinary shares of 679/86 pence each from Citigroup Global Markets Limited ("Citi") on the London Stock Exchange as part of its share buyback programme, as announced on 04 November 2025.

Date of purchase:	26 November 2025
Aggregate number of ordinary shares purchased:	127,379
Lowest price paid per share:	8,820.00p
Highest price paid per share:	8,926.00p
Average price paid per share:	8,882.89p

LSEG intends to cancel all of the purchased shares.

Following the cancellation of the repurchased shares, LSEG has 513,870,676 ordinary shares of 679/86 pence each in issue (excluding treasury shares) and holds 24,051,599 of its ordinary shares of 679/86 pence each in treasury. Therefore, the total voting rights in the Company will be 513,870,676. 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 Regulation (EU) No 596/2014 (the Market Abuse Regulation) (as such legislation forms part of retained EU law as defined in 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 purchases by Citi on behalf of the Company as part of the buyback programme can be found at:

http://www.rns-pdf.londonstockexchange.com/rns/1738J_1-2025-11-26.pdf

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

Contacts

Investors

Peregrine Riviere / Chris Turner - Investor Relations

[email protected]

Media

Lucie Holloway / Rhiannon Davies - External Communications

+44 (0) 20 7797 1222

[email protected]

www.lseg.com

Schedule of Purchases

Shares purchased:       127,379 (ISIN: GB00B0SWJX34)

Date of purchases:      26 November 2025

Investment firm:         Citi

Aggregate information:

Venue	Volume-weighted average price	Aggregated volume	Lowest price per share	Highest price per share
London Stock Exchange	8,882.89	127,379	8,820.00	8,926.00
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