FRN Variable Rate Fix

Re: United Utilities Water Plc

GBP 100,000,000.00

MATURING: 28-Mar-2042

ISIN: XS0248328139

PLEASE BE ADVISED THAT THE INTEREST RATE FOR THE PERIOD 28-Sep-2025 TO 28-Mar-2026

HAS BEEN FIXED AT 3.34 PCT

DAY BASIS: ACTUAL/ACTUAL(ISMA)

INTEREST PAYABLE VALUE 28-Mar-2026 WILL AMOUNT TO:

GBP 834.90 PER GBP 50,000.00 DENOMINATION

View source version on businesswire.com: https://www.businesswire.com/news/home/20251021307390/en/

United Utilities PLC