Investor Presentaiton

Low-Cost Competitive Electric Rates Company Weighted Average Retail Rate ($/kWh) U.S. National Average (1) $0.1079 Pacific Power $0.0917 Rocky Mountain Power $0.0791 MidAmerican Energy $0.0720 15% lower than the U.S. National Average 27% lower than the U.S. National Average 33% lower than the U.S. National Average Nevada Power $0.0933 14% lower than the U.S. National Average Sierra Pacific $0.0736 32% lower than the U.S. National Average Highest Average Rates ($/kWh) by State (1): Hawaii - $0.2758; Massachusetts - $0.2090; Connecticut $0.2049; Rhode Island - $0.2014; California - $0.1689 - (1) Source: Edison Electric Institute (Winter 2021) Total Retail 16

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