Investor Presentaiton

Northern Powergrid Rate Base AltaLink, L.P. (£ billions) (C$ billions) £4.0 £3.4 £3.5 £3.6 $8.0 $7.5 $7.5 $7.5 $7.7 £3.2 £3.0 $6.0 £2.0 $4.0 £1.0 $2.0 £0.0 $0.0 2018A 2019A 2020A 2021F 2018A 2019A 2020A 2021F ($ billions) Berkshire Hathaway Energy $70.0 $60.0 $47.2 $50.0 $43.5 $40.0 $30.0 $20.0 $10.0 $0.0 2018A 2019A $61.8 $57.3 2020A 2021F ■PacifiCorp ■MidAmerican Energy NV Energy Northern Powergrid BHE Pipeline Group ■BHE Transmission 71

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