Credit Investor Presentation 2020/21

Digital transformation delivering excellent performance 53% reduction in water supply interruptions Lowest ever level of leakage Zero serious pollution incidents for two consecutive years; best in sector performance 31% reduction in environmental pollution incidents 13% improvement in water compliance risk index (CRI) 93% improvement in water event risk index (ERI) 100% wastewater treatment works compliance; best in sector performance 4 star ("industry leading company") Environment Agency performance rating forecasted for 2020 Denotes measures that are included or have elements that directly contribute to one or more common ODIs in AMP7 United Utilities • Credit Investor presentation • 68

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