Changes to board responsibilities

UNITED UTILITIES GROUP PLC

16 April 2025

United Utilities Board Changes

United Utilities Group PLC announces a number of changes to board responsibilities due to come into effect at the conclusion of the AGM in July 2025:

·    Doug Webb will succeed Alison Goligher as senior independent director and as chair of the Compliance Committee.

·    Chair of the ESG Committee Liam Butterworth will also be designated as the non-executive director for engagement with the workforce.

·    Michael Lewis will become a member of the Compliance Committee stepping down from the ESG Committee.

Alison Goligher will remain as a member of the Nomination, ESG, Remuneration and Compliance Committees.

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Classification - Company update

United Utilities Group's ordinary shares trade on the London Stock Exchange and its ADRs, each equal to two ordinary shares, trade over the counter under the Trading Symbol "UUGRY".