Northwest Natural Gas Company

Form 5500

NORTHWEST NATURAL GAS COMPANY

250 SW Taylor St, Portland, Or 97204 (503) 226-4211 EIN:93-0256722 Plan Admin:Melinda Rogers

Year	Plan Name	Participants BOY/EOY	Assets BOY/EOY
2023	Plan NameNORTHWEST NATURAL GAS COMPANY RETIREMENT K SAVINGS PLAN Plan #008 Participants BOY/EOY1,477 / 1,531 Assets BOY/EOY$257,931,066 / $298,047,939	2023	NORTHWEST NATURAL GAS COMPANY RETIREMENT K SAVINGS PLAN - Plan #008	1,477 / 1,531	$257,931,066 / $298,047,939
2023	Plan NameNORTHWEST NATURAL GAS CO CAFETERIA PLAN Plan #507 Participants BOY/EOY2,156 / 0 Assets BOY/EOY$0 / $0	2023	NORTHWEST NATURAL GAS CO CAFETERIA PLAN - Plan #507	2,156 / 0	$0 / $0
2022	Plan NameRETIREMENT PLAN FOR BARGAINING UNIT AND NON-BARGAINING UNIT EMPLOYEES OF NORTHWEST NATURAL GAS COMPANY Plan #002 Participants BOY/EOY1,593 / 1,563 Assets BOY/EOY$399,216,435 / $280,305,827	2022	RETIREMENT PLAN FOR BARGAINING UNIT AND NON-BARGAINING UNIT EMPLOYEES OF NORTHWEST NATURAL GAS COMPANY - Plan #002	1,593 / 1,563	$399,216,435 / $280,305,827
2022	Plan NameNORTHWEST NATURAL GAS COMPANY RETIREMENT K SAVINGS PLAN Plan #008 Participants BOY/EOY1,450 / 1,477 Assets BOY/EOY$314,409,253 / $257,931,066	2022	NORTHWEST NATURAL GAS COMPANY RETIREMENT K SAVINGS PLAN - Plan #008	1,450 / 1,477	$314,409,253 / $257,931,066
2022	Plan NameNORTHWEST NATURAL GAS CO CAFETERIA PLAN Plan #507 Participants BOY/EOY2,221 / 0 Assets BOY/EOY$0 / $0	2022	NORTHWEST NATURAL GAS CO CAFETERIA PLAN - Plan #507	2,221 / 0	$0 / $0
2021	Plan NameRETIREMENT PLAN FOR BARGAINING UNIT AND NON-BARGAINING UNIT EMPLOYEES OF NORTHWEST NATURAL GAS COMPANY Plan #002 Participants BOY/EOY1,620 / 1,593 Assets BOY/EOY$378,470,875 / $399,216,435	2021	RETIREMENT PLAN FOR BARGAINING UNIT AND NON-BARGAINING UNIT EMPLOYEES OF NORTHWEST NATURAL GAS COMPANY - Plan #002	1,620 / 1,593	$378,470,875 / $399,216,435
2021	Plan NameNORTHWEST NATURAL GAS COMPANY RETIREMENT K SAVINGS PLAN Plan #008 Participants BOY/EOY1,416 / 1,450 Assets BOY/EOY$279,560,369 / $314,409,253	2021	NORTHWEST NATURAL GAS COMPANY RETIREMENT K SAVINGS PLAN - Plan #008	1,416 / 1,450	$279,560,369 / $314,409,253
2021	Plan NameNORTHWEST NATURAL GAS CO CAFETERIA PLAN Plan #507 Participants BOY/EOY2,156 / 0 Assets BOY/EOY$0 / $0	2021	NORTHWEST NATURAL GAS CO CAFETERIA PLAN - Plan #507	2,156 / 0	$0 / $0
2020	Plan NameRETIREMENT PLAN FOR BARGAINING UNIT AND NON-BARGAINING UNIT EMPLOYEES OF NORTHWEST NATURAL GAS COMPANY Plan #002 Participants BOY/EOY1,631 / 1,620 Assets BOY/EOY$326,108,429 / $378,470,875	2020	RETIREMENT PLAN FOR BARGAINING UNIT AND NON-BARGAINING UNIT EMPLOYEES OF NORTHWEST NATURAL GAS COMPANY - Plan #002	1,631 / 1,620	$326,108,429 / $378,470,875
2020	Plan NameNORTHWEST NATURAL GAS COMPANY RETIREMENT K SAVINGS PLAN Plan #008 Participants BOY/EOY1,392 / 1,416 Assets BOY/EOY$253,773,944 / $279,560,369	2020	NORTHWEST NATURAL GAS COMPANY RETIREMENT K SAVINGS PLAN - Plan #008	1,392 / 1,416	$253,773,944 / $279,560,369
2020	Plan NameNORTHWEST NATURAL GAS CO CAFETERIA PLAN Plan #507 Participants BOY/EOY2,015 / 0 Assets BOY/EOY$0 / $0	2020	NORTHWEST NATURAL GAS CO CAFETERIA PLAN - Plan #507	2,015 / 0	$0 / $0
2019	Plan NameRETIREMENT PLAN FOR BARGAINING UNIT AND NON-BARGAINING UNIT EMPLOYEES OF NORTHWEST NATURAL GAS COMPANY Plan #002 Participants BOY/EOY1,643 / 1,541 Assets BOY/EOY$259,286,377 / $326,108,429	2019	RETIREMENT PLAN FOR BARGAINING UNIT AND NON-BARGAINING UNIT EMPLOYEES OF NORTHWEST NATURAL GAS COMPANY - Plan #002	1,643 / 1,541	$259,286,377 / $326,108,429
2019	Plan NameNORTHWEST NATURAL GAS COMPANY RETIREMENT K SAVINGS PLAN Plan #008 Participants BOY/EOY1,375 / 1,392 Assets BOY/EOY$215,692,797 / $253,773,944	2019	NORTHWEST NATURAL GAS COMPANY RETIREMENT K SAVINGS PLAN - Plan #008	1,375 / 1,392	$215,692,797 / $253,773,944
2019	Plan NameNORTHWEST NATURAL GAS CO CAFETERIA PLAN Plan #507 Participants BOY/EOY1,953 / 0 Assets BOY/EOY$0 / $0	2019	NORTHWEST NATURAL GAS CO CAFETERIA PLAN - Plan #507	1,953 / 0	$0 / $0