Affinity Water Finance PLC

(the "Company")

£10 million of 1.024% Sterling Denominated Retail Price Index-Linked Bonds due 2033

£60 million of 2.699% Sterling Denominated Fixed Rate Bonds due 2033

£250 million of 4.5% Sterling Denominated Fixed Rate Bonds due 2036

£350 million of 6.25% Sterling Denominated Fixed Rate Bonds due 2040

£85 million of 3.278% Sterling Denominated Fixed Rate Bonds due 2042

£60 million of 0.23% Sterling Denominated Consumer Price Index-Linked Bonds due 2042

£190 million of 1.548% Sterling Denominated Retail Price Index-Linked Bonds due 2045

AFFINITY WATER CEO TRANSITION ARRANGEMENTS

10 February 2026

Further to the announcement on 2 October 2025 regarding Keith Haslett's resignation as CEO of Affinity, it is confirmed that Keith will step down from the Board at Affinity's financial year end on 31 March 2026.

To support an orderly succession, the Board has approved interim arrangements covering the short period between Keith stepping down from the Board and Mark Garth joining the Board as CEO, expected to be no later than 30 June 2026.

From 1 April 2026 until Mark joins, Mike Brown, Affinity's Chair, supported by Chris Newsome, Affinity independent non-executive director, will be supporting the Executive Leadership Team (ELT) which will have delegated authority to operate the business and continue delivery of Affinity's strategy.  Mike and the Board will provide ultimate decision making, with Chris continuing to act in an independent non-executive capacity while providing technical and strategic support and guidance to the ELT.

ENDS

Notes:

For further information, please visit our website or contact:

[email protected]

Please direct any media queries to [email protected]

Affinity Water Limited

Tamblin Way

Hatfield

Hertfordshire

AL10 9EZ

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.

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