Publication of Final Terms

Publication of Final Terms

The following Final Terms under the £15,000,000,000 multicurrency programme for the issuance of Guaranteed Bonds, with Thames Water Utilities Finance plc as the issuer and Thames Water Utilities Limited and Thames Water Utilities Holdings Limited as the guarantors (the "Programme") are available for viewing:

£275,000,000 Series 37 Class A 7.125 per cent Guaranteed Unwrapped Bonds due 30 April 2031

The Final Terms should be read and construed in conjunction with the base prospectus dated 12 October 2023 relating to the Programme (the "Base Prospectus"), as supplemented on 15 January 2024 (the "First Supplement") and 19 January 2024 (the "Second Supplement") (the Base Prospectus together with the First Supplement and the Second Supplement, the "Prospectus", which definition includes all information incorporated by reference within the Base Prospectus, the First Supplement and Second Supplement).

To view the full Final Terms documents, please paste the following URL into the address bar of your browser.

http://www.rns-pdf.londonstockexchange.com/rns/4230B_1-2024-1-30.pdf

A copy of the Final Terms has been submitted to the National Storage Mechanism and is available for inspection at: https://data.fca.org.uk/artefacts/NSM/Portal/NI-000089198/NI-000089198.pdf

For further information, please contact:

David Gregg - Director of Corporate Finance

Sarah Davies - Head of Investor Relations

[email protected]

DISCLAIMER - INTENDED ADDRESSEES

Please note that the information contained in the Final Terms may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Final Terms) 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 Final Terms is not addressed. Prior to relying on the information contained in the Final Terms you must ascertain from the Final Terms whether or not you are part of the intended addressees of the information contained therein.

In particular, the Final Terms does not constitute an offer of securities for sale in the United States. This is not for distribution in the United States. The securities described herein have not been, and will not be, registered under the U.S. Securities Act of 1933, as amended (the "Securities Act"), or under any relevant securities laws of any state of the United States of America and are subject to U.S. tax law requirements. Subject to certain exceptions, the securities may not be offered or sold within the United States or to, or for the account or benefit of, U.S. persons or to persons within the United States of America, as such terms are defined in Regulation S under the Securities Act. There will be no public offering of the securities in the United States.

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