United Utilities Group PLC

Capital/Financing Update • Dec 18, 2025

National Storage Mechanism | Additional information

RNS Number : 1840M

United Utilities Group PLC

18 December 2025

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Michael Gauterin

2

Reason for the notification

a)

Position/status

Customer and Technology Director/PDMR

b)

Initial notification /Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

United Utilities Group PLC

b)

LEI

2138002IEYQAOC88ZJ59

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

Ordinary shares of 5p each

GB00B39J2M42

b)

Nature of the transaction

Sale of shares

c)

Price(s) and volume(s)

	Price(s)	Volume(s)
1)	£11.842698	10,000

d)

Aggregated information

- Aggregated volume

- Price

	Aggregated volume	Aggregated price
1)	10,000	£118,426.98

e)

Date of the transaction

2025-12-18

f)

Place of the transaction

London Stock Exchange (XLON)

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