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

issued by the Company and guaranteed by Affinity Water Limited ("Affinity Water")

27 November 2025

Unaudited Half-Yearly Financial Report for the Six-Month Period Ended 30 September 2025

Affinity Water Finance PLC announces that it has today published its unaudited half-yearly financial report for the six-month period ended 30 September 2025.

This document, together with Affinity Water's unaudited half-yearly financial report for the six-month period ended 30 September 2025 will be available shortly for inspection on Affinity Water's website https://www.affinitywater.co.uk/corporate/investors/library and at the National Storage Mechanism located at

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

For further information, please visit our website or contact:

[email protected]

Affinity Water Limited

Tamblin Way

Hatfield

Hertfordshire

AL10 9EZ

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