Midamerican Energy Company

Form 5500

MIDAMERICAN ENERGY COMPANY

666 Grand Avenue P.O. Box 657, Des Moines, Ia 50306 (515) 242-4300 EIN:42-1425214 Plan Admin:Employee Benefits Plans Administrative Committee

Year	Plan Name	Participants BOY/EOY	Assets BOY/EOY
2022	Plan NameMIDAMERICAN ENERGY COMPANY RETIREMENT SAVINGS PLAN Plan #002 Participants BOY/EOY6,069 / 6,264 Assets BOY/EOY$1,584,821,901 / $1,286,079,186	2022	MIDAMERICAN ENERGY COMPANY RETIREMENT SAVINGS PLAN - Plan #002	6,069 / 6,264	$1,584,821,901 / $1,286,079,186
2022	Plan NameMIDAMERICAN ENERGY COMPANY RETIREMENT PLAN Plan #001 Participants BOY/EOY5,999 / 5,676 Assets BOY/EOY$703,553,284 / $490,129,749	2022	MIDAMERICAN ENERGY COMPANY RETIREMENT PLAN - Plan #001	5,999 / 5,676	$703,553,284 / $490,129,749
2022	Plan NameMIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN Plan #501 Participants BOY/EOY4,496 / 0 Assets BOY/EOY$305,867,561 / $242,978,490	2022	MIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN - Plan #501	4,496 / 0	$305,867,561 / $242,978,490
2022	Plan NameMIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN FOR LOCALS 69, 109, 499 FORT MADISON, 499 & 738 REPRESENTED EMPLOYEES Plan #509 Participants BOY/EOY1,805 / 0 Assets BOY/EOY$0 / $0	2022	MIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN FOR LOCALS 69, 109, 499 FORT MADISON, 499 & 738 REPRESENTED EMPLOYEES - Plan #509	1,805 / 0	$0 / $0
2021	Plan NameMIDAMERICAN ENERGY COMPANY RETIREMENT SAVINGS PLAN Plan #002 Participants BOY/EOY5,991 / 6,069 Assets BOY/EOY$1,421,611,933 / $1,584,821,901	2021	MIDAMERICAN ENERGY COMPANY RETIREMENT SAVINGS PLAN - Plan #002	5,991 / 6,069	$1,421,611,933 / $1,584,821,901
2021	Plan NameMIDAMERICAN ENERGY COMPANY RETIREMENT PLAN Plan #001 Participants BOY/EOY6,251 / 5,999 Assets BOY/EOY$717,537,330 / $703,553,284	2021	MIDAMERICAN ENERGY COMPANY RETIREMENT PLAN - Plan #001	6,251 / 5,999	$717,537,330 / $703,553,284
2021	Plan NameMIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN Plan #501 Participants BOY/EOY4,389 / 0 Assets BOY/EOY$274,921,822 / $305,867,561	2021	MIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN - Plan #501	4,389 / 0	$274,921,822 / $305,867,561
2021	Plan NameMIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN FOR LOCALS 69, 109, 499 FORT MADISON, 499 & 738 REPRESENTED EMPLOYEES Plan #509 Participants BOY/EOY2,004 / 0 Assets BOY/EOY$0 / $0	2021	MIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN FOR LOCALS 69, 109, 499 FORT MADISON, 499 & 738 REPRESENTED EMPLOYEES - Plan #509	2,004 / 0	$0 / $0
2020	Plan NameMIDAMERICAN ENERGY COMPANY RETIREMENT SAVINGS PLAN Plan #002 Participants BOY/EOY6,135 / 5,991 Assets BOY/EOY$1,263,472,296 / $1,421,611,933	2020	MIDAMERICAN ENERGY COMPANY RETIREMENT SAVINGS PLAN - Plan #002	6,135 / 5,991	$1,263,472,296 / $1,421,611,933
2020	Plan NameMIDAMERICAN ENERGY COMPANY RETIREMENT PLAN Plan #001 Participants BOY/EOY4,822 / 6,251 Assets BOY/EOY$716,949,136 / $717,537,330	2020	MIDAMERICAN ENERGY COMPANY RETIREMENT PLAN - Plan #001	4,822 / 6,251	$716,949,136 / $717,537,330
2020	Plan NameMIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN Plan #501 Participants BOY/EOY3,650 / 0 Assets BOY/EOY$274,269,116 / $274,921,822	2020	MIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN - Plan #501	3,650 / 0	$274,269,116 / $274,921,822
2020	Plan NameMIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN FOR LOCALS 109, 499 FORT MADISON, 499 & 738 REPRESENTED EMPLOYEES Plan #509 Participants BOY/EOY1,334 / 0 Assets BOY/EOY$0 / $0	2020	MIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN FOR LOCALS 109, 499 FORT MADISON, 499 & 738 REPRESENTED EMPLOYEES - Plan #509	1,334 / 0	$0 / $0
2019	Plan NameMIDAMERICAN ENERGY COMPANY RETIREMENT SAVINGS PLAN Plan #002 Participants BOY/EOY6,049 / 6,135 Assets BOY/EOY$1,081,604,890 / $1,263,472,296	2019	MIDAMERICAN ENERGY COMPANY RETIREMENT SAVINGS PLAN - Plan #002	6,049 / 6,135	$1,081,604,890 / $1,263,472,296
2019	Plan NameMIDAMERICAN ENERGY COMPANY RETIREMENT PLAN Plan #001 Participants BOY/EOY5,051 / 4,822 Assets BOY/EOY$644,617,131 / $716,949,136	2019	MIDAMERICAN ENERGY COMPANY RETIREMENT PLAN - Plan #001	5,051 / 4,822	$644,617,131 / $716,949,136
2019	Plan NameMIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN Plan #501 Participants BOY/EOY3,518 / 0 Assets BOY/EOY$248,290,964 / $274,269,116	2019	MIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN - Plan #501	3,518 / 0	$248,290,964 / $274,269,116
2019	Plan NameMIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN FOR LOCALS 109, 499 FORT MADISON, 499 & 738 REPRESENTED EMPLOYEES Plan #509 Participants BOY/EOY1,470 / 0 Assets BOY/EOY$0 / $0	2019	MIDAMERICAN ENERGY COMPANY WELFARE BENEFIT PLAN FOR LOCALS 109, 499 FORT MADISON, 499 & 738 REPRESENTED EMPLOYEES - Plan #509	1,470 / 0	$0 / $0