National Storage Mechanism | Additional information

UNITED UTILITIES GROUP PLC

Date: 31 July 2025

LEI 2138002IEYQAOC88ZJ59

BLOCK LISTING SIX MONTHLY RETURN

(Note: Italicised terms have the same meaning as given in the UK Listing Rules.)

Name of applicant:		UNITED UTILITIES GROUP PLC
Name of scheme:		Long Term Plan 2013
Period of return:	From:	01/02/2025	To:	31/07/2025
Balance of unallotted securities under scheme(s) from previous return:		9,492,815
Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):		nil
Less: Number of securities issued/allotted under scheme(s) during period (see UKLR 20.6.7G):		nil
Equals: Balance under scheme(s) not yet issued/allotted at end of period:		9,492,815

Name of contact:	Jane Gilmore
Telephone number of contact:	07717 702375

This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.

RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy.

END