Publication of Supplementary Prospectus

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

The Supplementary Prospectus dated 22 May 2024 (the "Supplementary Prospectus") supplementing the prospectus dated 26 July 2023, as previously supplemented on 24 January 2024 and 20 February 2024 (together, the "Prospectus") relating to a €8,000,000,000 Euro Medium Term Note Programme of Severn Trent Plc and Severn Trent Utilities Finance Plc as issuers and Severn Trent Water Limited as guarantor of notes issued under the programme by Severn Trent Utilities Finance Plc.

To view the Supplementary Prospectus, please paste the following URL into the address bar of your browser:

http://www.rns-pdf.londonstockexchange.com/rns/4928P_1-2024-5-22.pdf

A copy of the Supplementary Prospectus has been submitted to the Financial Conduct Authority's Electronic Submission Service and may shortly be viewed on the National Storage Mechanism at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism

For further information, please contact:

Severn Trent Plc

Severn Trent Centre

2 St John's Street

Coventry CV1 2LZ