Investor Presentaiton

• Competitive Advantage Diversified portfolio of regulated assets ― Weather, customer, regulatory, generation, economic and catastrophic risk diversification • Berkshire Hathaway ownership - - Access to capital from Berkshire Hathaway allows us to take advantage of market opportunities Berkshire Hathaway is a long-term holder of assets which promotes stability and helps make Berkshire Hathaway Energy the buyer of choice in many circumstances Tax appetite of Berkshire Hathaway has allowed us to receive significant cash tax benefits from our parent, including $1.3 billion in the nine months ended September 30, 2021, and $1.5 billion in 2020 • No dividend requirement - Cash flow is retained within the business and used to help fund growth and strengthen our balance sheet We retain more dollars of earnings than any other U.S. electric utility 8

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