Credit Investor Presentation

Outcome Delivery Incentives (ODIs) AMP6 performance well in excess of our original most likely outcome Reward (Penalty) in 5 years 2015-20 (£m) Outperformance P90 +£140m £43.9m Private sewers service index Wastewater category 3 pollution incidents Sewer flooding index Thirlmere transfer to West Cumbria Total leakage at or below target 36.9 16.4 (9.3) 21.6 13.1 Reliable water service index (31.9) Most likely outcome (P50) Average minutes supply lost per property 12.5 Water quality service index (14.2) Other 11 wholesale ODIS (1.2) P10 Total wholesale ODIS 43.9 -£470m United Utilities • Credit Investor presentation • 34

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