RNS Announcement

Publication of supplement to Offering Circular

The following supplement has been approved by the Financial Conduct Authority and is available for viewing:

Supplement dated 30 October 2025 to the offering circular relating to the London Stock Exchange Group plc, LSEGA Financing plc, LSEG Netherlands B.V. and LSEG US Fin Corp. £10,000,0000,000 Euro Medium Term Note Programme dated 28 March 2025 (the Offering Circular), as supplemented by the supplement to the Offering Circular dated 8 August 2025.

To view the full document, please paste the following URL into the address bar of your browser:

http://www.rns-pdf.londonstockexchange.com/rns/5478F_1-2025-10-30.pdf

A copy of the above supplement to the Offering Circular has been submitted to the National Storage Mechanism and will shortly be available for inspection at:

https://data.fca.org.uk/#/nsm/nationalstoragemechanism

For further information, please contact:

London Stock Exchange Group plc

Lucie Holloway, Rhiannon Davies (Media)+44 (0) 20 7797 1222

Peregrine Riviere (Investors) ir@lseg.com

DISCLAIMER - INTENDED ADDRESSEES

This announcement is a communication to the market. Nothing in this announcement constitutes an offer of securities for sale in the United States or any other jurisdiction. This announcement does not constitute a prospectus or a prospectus equivalent document.

This announcement has been delivered to you on the basis that you are a person into whose possession this announcement may be lawfully delivered in accordance with the laws of the jurisdiction in which you are located and you may not, nor are you authorised to, deliver this announcement to any other person. The distribution of this announcement in jurisdictions other than the United Kingdom may be restricted by law and therefore persons into whose possession this announcement comes should inform themselves about, and observe, such restrictions. Any failure to comply with the restrictions may constitute a violation of the securities laws of any such jurisdiction.

Likewise, the information contained in the supplement to the Offering Circular (and the Offering Circular to which it relates) may be addressed to and/or targeted at persons who are residents of particular countries specified in the Offering Circular only and is not intended for use and should not be relied upon by any person outside these countries and/or to whom the offer contained in the Offering Circular is not addressed. Prior to relying on the information contained in the supplement to the Offering Circular and the Offering Circular you must ascertain from the Offering Circular whether or not you are part of the intended addressees of the information contained therein.

Your right to access this service is conditional upon complying with the above requirement.

Legal Entity Identifier

The legal entity identifier of London Stock Exchange Group plc is 213800QAUUUP6I445N30.

The legal entity identifier of LSEGA Financing plc is 2138009YFYTGEHZNNZ09.

The legal entity identifier of LSEG Netherlands B.V. is 213800JCR9B7CYW7U265.

The legal entity identifier of LSEG US Fin Corp. is 2138007FV67QQ13CGJ43.