TWUL - STID Proposal Results

Thames Water Utilities Finance plc

10 February 2025

Liquidity Extension Update

Thames Water Utilities Limited ("TWUL") announced the launch of a liquidity extension transaction ("Liquidity Extension Transaction") on 25 October 2024. This announcement can be found here:

https://www.londonstockexchange.com/news-article/AW14/liquidity-extension-update/16731710

THAMES WATER UTILITIES FINANCE PLC HEREBY ANNOUNCES that TWUL has made an update announcement in respect of the Liquidity Extension Transaction:

https://www.londonstockexchange.com/news-article/AW14/twul-stid-proposal-results/16892693

For further information

Media enquiries

Edelman Smithfield thameswater@edelmansmithfield.com Suvra Jans - Head of Media Relations suvra.jans@thameswater.co.uk M: 07747 640 810

Legal Entity Identifier Numbers:

Thames Water Utilities Limited: 213800JKM5UQHFJOTZ25

Thames Water Utilities Finance plc - 213800SKZTSE2L1BII69