Investor Presentaiton

• Pacific Power PacifiCorp Regulatory Update . • Rate case outcomes in Oregon, Washington and California resulted in customer price reductions while achieving full recovery for all Energy Vision 2020 investments, wildfire investments, accelerated coal depreciation in Oregon and Washington, and converting Washington from a western control area methodology to a full PacifiCorp system transmission and renewables methodology for cost recovery Rocky Mountain Power Rate case outcomes in Utah and Wyoming resulted in no near-term customer bill increases while achieving full recovery of all investments, including Energy Vision 2020 and wildfire mitigation costs. In Idaho, a stipulation was reached with parties in a pending rate case resulting in an $8 million increase, effective January 1, 2022. This is the first general rate case in Idaho in 10 years A new interjurisdictional cost allocation methodology was approved in Idaho, Oregon, Utah, Wyoming and Washington; approval in California will be sought as part of the next general rate case in 2022 Energy cost adjustment mechanisms exist in all six states where PacifiCorp has operations A new customer generation program was implemented in California and Idaho to transition from net metering to an export credit model that provides financial compensation for excess energy exported to the grid rather than kilowatt-hour netting, which better supports pricing excess customer generation at market value rather than a retail rate. The Utah transition program was closed, and a new customer generation program went into effect to implement the full export credit model 40 40

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