A. O. Smith Corporation

Form 5500

A O SMITH CORPORATION

11270 W. Park Place P.O. Box 245006, Milwaukee, Wi 53224 (414) 359-4082 EIN:39-0619790 Plan Admin:Tracey Seymour

Year	Plan Name	Participants BOY/EOY	Assets BOY/EOY
2023	Plan NameA O SMITH RETIREMENT SECURITY PLAN Plan #018 Participants BOY/EOY5,888 / 6,118 Assets BOY/EOY$508,927,169 / $582,729,048	2023	A O SMITH RETIREMENT SECURITY PLAN - Plan #018	5,888 / 6,118	$508,927,169 / $582,729,048
2022	Plan NameA O SMITH RETIREMENT SECURITY PLAN Plan #018 Participants BOY/EOY6,038 / 5,888 Assets BOY/EOY$588,814,744 / $508,927,169	2022	A O SMITH RETIREMENT SECURITY PLAN - Plan #018	6,038 / 5,888	$588,814,744 / $508,927,169
2022	Plan NameA O SMITH RETIREMENT PLAN Plan #001 Participants BOY/EOY9,566 / 6,926 Assets BOY/EOY$807,794,295 / $29,588,966	2022	A O SMITH RETIREMENT PLAN - Plan #001	9,566 / 6,926	$807,794,295 / $29,588,966
2022	Plan NameAMERICAN WATER HEATER COMPANY PENSION PLAN FOR THE JOHNSON CITY, TENNESSEE MANUFACTURING BARGAINING UNIT Plan #019 Participants BOY/EOY0 / 784 Assets BOY/EOY$22,598,396 / $19,801,821	2022	AMERICAN WATER HEATER COMPANY PENSION PLAN FOR THE JOHNSON CITY, TENNESSEE MANUFACTURING BARGAINING UNIT - Plan #019	0 / 784	$22,598,396 / $19,801,821
2022	Plan NameA. O. SMITH CORPORATION GROUP INSURANCE PLAN Plan #501 Participants BOY/EOY5,404 / 5,095 Assets BOY/EOY$0 / $0	2022	A. O. SMITH CORPORATION GROUP INSURANCE PLAN - Plan #501	5,404 / 5,095	$0 / $0
2021	Plan NameA O SMITH RETIREMENT PLAN Plan #001 Participants BOY/EOY10,524 / 9,566 Assets BOY/EOY$863,413,944 / $807,794,295	2021	A O SMITH RETIREMENT PLAN - Plan #001	10,524 / 9,566	$863,413,944 / $807,794,295
2021	Plan NameA O SMITH RETIREMENT SECURITY PLAN Plan #018 Participants BOY/EOY5,466 / 6,038 Assets BOY/EOY$513,108,261 / $588,814,744	2021	A O SMITH RETIREMENT SECURITY PLAN - Plan #018	5,466 / 6,038	$513,108,261 / $588,814,744
2021	Plan NameA. O. SMITH CORPORATION GROUP INSURANCE PLAN Plan #501 Participants BOY/EOY5,649 / 5,404 Assets BOY/EOY$0 / $0	2021	A. O. SMITH CORPORATION GROUP INSURANCE PLAN - Plan #501	5,649 / 5,404	$0 / $0
2020	Plan NameA O SMITH RETIREMENT PLAN Plan #001 Participants BOY/EOY12,084 / 10,524 Assets BOY/EOY$836,849,052 / $863,413,944	2020	A O SMITH RETIREMENT PLAN - Plan #001	12,084 / 10,524	$836,849,052 / $863,413,944
2020	Plan NameA O SMITH RETIREMENT SECURITY PLAN Plan #018 Participants BOY/EOY5,182 / 5,466 Assets BOY/EOY$459,273,741 / $513,108,261	2020	A O SMITH RETIREMENT SECURITY PLAN - Plan #018	5,182 / 5,466	$459,273,741 / $513,108,261
2020	Plan NameA. O. SMITH CORPORATION GROUP INSURANCE PLAN Plan #501 Participants BOY/EOY5,602 / 5,649 Assets BOY/EOY$0 / $0	2020	A. O. SMITH CORPORATION GROUP INSURANCE PLAN - Plan #501	5,602 / 5,649	$0 / $0
2019	Plan NameA O SMITH RETIREMENT PLAN Plan #001 Participants BOY/EOY14,179 / 12,084 Assets BOY/EOY$782,649,294 / $836,849,052	2019	A O SMITH RETIREMENT PLAN - Plan #001	14,179 / 12,084	$782,649,294 / $836,849,052
2019	Plan NameA O SMITH RETIREMENT SECURITY PLAN Plan #018 Participants BOY/EOY5,091 / 5,182 Assets BOY/EOY$391,861,400 / $459,273,741	2019	A O SMITH RETIREMENT SECURITY PLAN - Plan #018	5,091 / 5,182	$391,861,400 / $459,273,741
2019	Plan NameA. O. SMITH CORPORATION GROUP INSURANCE PLAN Plan #501 Participants BOY/EOY5,434 / 5,602 Assets BOY/EOY$0 / $0	2019	A. O. SMITH CORPORATION GROUP INSURANCE PLAN - Plan #501	5,434 / 5,602	$0 / $0