Investor Presentaiton

IOWA MidAmerican Energy ● • • Headquartered in Des Moines, Iowa 3,400 employees 1.6 million electric and natural gas customers in four Midwestern states • 11,787 MWs (1) of owned capacity • Owned capacity by fuel type: Wind Coal Natural Gas Nuclear and other 9/30/2021 12/31/2000 61% 0% 23% 70% 11% 19% 5% 11% MidAmerican Energy service area Major generating facilities Operational wind farms Wind project under construction Solar projects under construction (1) Net MWs owned in operation and under construction as of September 30, 2021 46

View entire presentation