The Hanover Insurance Company

Form 5500

THE HANOVER INSURANCE COMPANY

440 Lincoln Street, Worcester, Ma 01653 (508) 855-2704 EIN:13-5129825 Plan Admin:Benefits Committee

Year	Plan Name	Participants BOY/EOY	Assets BOY/EOY
2022	Plan NameTHE HANOVER INSURANCE GROUP RETIREMENT SAVINGS PLAN Plan #002 Participants BOY/EOY7,314 / 7,660 Assets BOY/EOY$1,246,498,509 / $1,031,599,900	2022	THE HANOVER INSURANCE GROUP RETIREMENT SAVINGS PLAN - Plan #002	7,314 / 7,660	$1,246,498,509 / $1,031,599,900
2022	Plan NameTHE HANOVER INSURANCE GROUP CASH BALANCE PENSION PLAN Plan #001 Participants BOY/EOY6,332 / 6,202 Assets BOY/EOY$478,013,222 / $371,510,874	2022	THE HANOVER INSURANCE GROUP CASH BALANCE PENSION PLAN - Plan #001	6,332 / 6,202	$478,013,222 / $371,510,874
2022	Plan NameTHE RETIREE LIFE INSURANCE AND POST - AGE 65 MEDICAL BENEFITS PLAN FOR HANOVER EMPLOYEES Plan #506 Participants BOY/EOY726 / 684 Assets BOY/EOY$0 / $0	2022	THE RETIREE LIFE INSURANCE AND POST - AGE 65 MEDICAL BENEFITS PLAN FOR HANOVER EMPLOYEES - Plan #506	726 / 684	$0 / $0
2022	Plan NameTHE HANOVER INSURANCE COMPANY SHORT TERM SALARY CONTINUANCE PLAN Plan #503 Participants BOY/EOY4,361 / 4,583 Assets BOY/EOY$0 / $0	2022	THE HANOVER INSURANCE COMPANY SHORT TERM SALARY CONTINUANCE PLAN - Plan #503	4,361 / 4,583	$0 / $0
2022	Plan NameGROUP BENEFIT PLAN FOR HANOVER EMPLOYEES Plan #501 Participants BOY/EOY4,401 / 4,623 Assets BOY/EOY$0 / $0	2022	GROUP BENEFIT PLAN FOR HANOVER EMPLOYEES - Plan #501	4,401 / 4,623	$0 / $0
2021	Plan NameTHE HANOVER INSURANCE GROUP RETIREMENT SAVINGS PLAN Plan #002 Participants BOY/EOY7,211 / 7,314 Assets BOY/EOY$1,115,752,239 / $1,246,498,509	2021	THE HANOVER INSURANCE GROUP RETIREMENT SAVINGS PLAN - Plan #002	7,211 / 7,314	$1,115,752,239 / $1,246,498,509
2021	Plan NameTHE HANOVER INSURANCE GROUP CASH BALANCE PENSION PLAN Plan #001 Participants BOY/EOY6,474 / 6,332 Assets BOY/EOY$510,696,493 / $478,013,222	2021	THE HANOVER INSURANCE GROUP CASH BALANCE PENSION PLAN - Plan #001	6,474 / 6,332	$510,696,493 / $478,013,222
2021	Plan NameTHE RETIREE LIFE INSURANCE AND POST-AGE 65 MEDICAL BENEFITS PLAN FOR HANOVER EMPLOYEES Plan #506 Participants BOY/EOY766 / 726 Assets BOY/EOY$0 / $0	2021	THE RETIREE LIFE INSURANCE AND POST-AGE 65 MEDICAL BENEFITS PLAN FOR HANOVER EMPLOYEES - Plan #506	766 / 726	$0 / $0
2021	Plan NameTHE HANOVER INSURANCE COMPANY SHORT TERM SALARY CONTINUANCE PLAN Plan #503 Participants BOY/EOY4,319 / 4,361 Assets BOY/EOY$0 / $0	2021	THE HANOVER INSURANCE COMPANY SHORT TERM SALARY CONTINUANCE PLAN - Plan #503	4,319 / 4,361	$0 / $0
2021	Plan NameGROUP BENEFIT PLAN FOR HANOVER EMPLOYEES Plan #501 Participants BOY/EOY4,417 / 4,401 Assets BOY/EOY$0 / $0	2021	GROUP BENEFIT PLAN FOR HANOVER EMPLOYEES - Plan #501	4,417 / 4,401	$0 / $0
2020	Plan NameTHE HANOVER INSURANCE GROUP RETIREMENT SAVINGS PLAN Plan #002 Participants BOY/EOY7,196 / 7,211 Assets BOY/EOY$985,929,020 / $1,115,752,239	2020	THE HANOVER INSURANCE GROUP RETIREMENT SAVINGS PLAN - Plan #002	7,196 / 7,211	$985,929,020 / $1,115,752,239
2020	Plan NameTHE HANOVER INSURANCE GROUP CASH BALANCE PENSION PLAN Plan #001 Participants BOY/EOY6,618 / 6,474 Assets BOY/EOY$487,602,033 / $510,696,493	2020	THE HANOVER INSURANCE GROUP CASH BALANCE PENSION PLAN - Plan #001	6,618 / 6,474	$487,602,033 / $510,696,493
2020	Plan NameTHE HANOVER INSURANCE COMPANY SHORT TERM SALARY CONTINUANCE PLAN Plan #503 Participants BOY/EOY4,244 / 4,319 Assets BOY/EOY$0 / $0	2020	THE HANOVER INSURANCE COMPANY SHORT TERM SALARY CONTINUANCE PLAN - Plan #503	4,244 / 4,319	$0 / $0
2020	Plan NameGROUP BENEFIT PLAN FOR HANOVER EMPLOYEES Plan #501 Participants BOY/EOY4,334 / 4,417 Assets BOY/EOY$0 / $0	2020	GROUP BENEFIT PLAN FOR HANOVER EMPLOYEES - Plan #501	4,334 / 4,417	$0 / $0
2020	Plan NameTHE RETIREE LIFE INSURANCE AND POST-AGE 65 MEDICAL BENEFITS PLAN FOR HANOVER EMPLOYEES Plan #506 Participants BOY/EOY833 / 766 Assets BOY/EOY$0 / $0	2020	THE RETIREE LIFE INSURANCE AND POST-AGE 65 MEDICAL BENEFITS PLAN FOR HANOVER EMPLOYEES - Plan #506	833 / 766	$0 / $0
2019	Plan NameTHE HANOVER INSURANCE GROUP RETIREMENT SAVINGS PLAN Plan #002 Participants BOY/EOY7,161 / 7,196 Assets BOY/EOY$826,182,047 / $985,929,020	2019	THE HANOVER INSURANCE GROUP RETIREMENT SAVINGS PLAN - Plan #002	7,161 / 7,196	$826,182,047 / $985,929,020
2019	Plan NameTHE HANOVER INSURANCE GROUP CASH BALANCE PENSION PLAN Plan #001 Participants BOY/EOY6,714 / 6,618 Assets BOY/EOY$460,742,522 / $487,602,033	2019	THE HANOVER INSURANCE GROUP CASH BALANCE PENSION PLAN - Plan #001	6,714 / 6,618	$460,742,522 / $487,602,033
2019	Plan NameTHE HANOVER INSURANCE COMPANY SHORT TERM SALARY CONTINUANCE PLAN Plan #503 Participants BOY/EOY4,236 / 4,244 Assets BOY/EOY$0 / $0	2019	THE HANOVER INSURANCE COMPANY SHORT TERM SALARY CONTINUANCE PLAN - Plan #503	4,236 / 4,244	$0 / $0
2019	Plan NameTHE RETIREE LIFE INSURANCE AND POST-AGE 65 MEDICAL BENEFITS PLAN FOR HANOVER EMPLOYEES Plan #506 Participants BOY/EOY967 / 833 Assets BOY/EOY$0 / $0	2019	THE RETIREE LIFE INSURANCE AND POST-AGE 65 MEDICAL BENEFITS PLAN FOR HANOVER EMPLOYEES - Plan #506	967 / 833	$0 / $0
2019	Plan NameGROUP BENEFIT PLAN FOR HANOVER EMPLOYEES Plan #501 Participants BOY/EOY4,301 / 4,334 Assets BOY/EOY$0 / $0	2019	GROUP BENEFIT PLAN FOR HANOVER EMPLOYEES - Plan #501	4,301 / 4,334	$0 / $0