HANOVER INSURANCE GROUP, INC.

For the period ended Mar 31, 2025. Filed May 1, 2025.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2025 · Filed May 1, 2025

THG$245.23+1.0%Stored close · as of Nov 9, 2026

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Contents

Item 6. EXHIBITS

EX – 31.1	Certification of the Chief Executive Officer, pursuant to 15 U.S.C. 78m, 78o(d), as adopted pursuant to section 302 of the Sarbanes-Oxley Act of 2002.
EX – 31.2	Certification of the Chief Financial Officer, pursuant to 15 U.S.C. 78m, 78o(d), as adopted pursuant to section 302 of the Sarbanes-Oxley Act of 2002.
EX – 32.1	Certification of the Chief Executive Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002.
EX – 32.2	Certification of the Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002.
EX – 101	The following materials from The Hanover Insurance Group, Inc.’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2025 formatted in Inline eXtensible Business Reporting Language (“iXBRL”): (i) Consolidated Statements of Income for the three months ended March 31, 2025 and 2024; (ii) Consolidated Statements of Comprehensive Income for the three months ended March 31, 2025 and 2024; (iii) Consolidated Balance Sheets at March 31, 2025 and December 31, 2024; (iv) Consolidated Statements of Shareholders’ Equity for the three months ended March 31, 2025 and 2024; (v) Consolidated Statements of Cash Flows for the three months ended March 31, 2025 and 2024, and (vi) related notes to these financial statements.
EX – 104	The cover page from The Hanover Insurance Group Inc.’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2025, formatted in iXBRL (embedded within EX – 101).

SIGNAT URES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	The Hanover Insurance Group, Inc.
	Registrant
May 1, 2025	/s/ John C. Roche
Date	John C. Roche
	President, Chief Executive Officer and Director
May 1, 2025	/s/ Jeffrey M. Farber
Date	Jeffrey M. Farber
	Executive Vice President and Chief Financial Officer

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