Investor Presentaiton

Retail Electric Sales Sales - Weather Normalized (GWh) Year-to-Date September 30 2020 2021 Variance Actual Percent PacifiCorp Residential 13,015 12,568 447 3.6% Commercial 13,997 13,075 922 7.1% Industrial and Other 14,864 14,882 (18) (0.1)% Total 41,876 40,525 1,351 3.3% MidAmerican Energy Residential 5,006 5,107 (101) (2.0)% Commercial 2,762 2,774 (12) (0.4)% Industrial and Other 13,174 12,000 1,174 9.8% Total 20,942 19,881 1,061 5.3% Nevada Power Residential 8,351 8,176 175 2.1% Commercial 3,718 3,502 216 6.2% Industrial and Other 4,067 3,843 224 5.8% Distribution-Only Service 1,899 1,760 139 7.9% Total 18,035 17,281 754 4.4% Sierra Pacific Power Residential 2,032 2,016 16 0.8% Commercial 2,352 2,288 64 2.8% Industrial and Other 2,790 2,654 136 5.1% Distribution-Only Service 1,219 1,258 (39) (3.1)% Total 8,393 8,216 177 2.2% Northern Powergrid Residential 9,525 9,401 124 1.3% Commercial 2,518 2,588 (70) (2.7)% Industrial and Other 12,432 12,071 361 3.0% Total 24,475 24,060 415 1.7% 72

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