Basis of Presentation	6 Months Ended
Jun. 30, 2026
Basis of Presentation
Basis of Presentation	1. Basis of Presentation The consolidated financial statements have been prepared on the basis of accounting principles generally accepted in the United States of America (“GAAP”). The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from these estimates. The consolidated financial statements include Safety Insurance Group, Inc. and its subsidiaries (the “Company”). The subsidiaries consist of Safety Insurance Company, Safety Indemnity Insurance Company, Safety Property and Casualty Insurance Company, Safety Northeast Insurance Company, Safety Northeast Insurance Agency, Inc. (“SNIA”), and Safety Management Corporation, which is SNIA’s holding company. All intercompany commission transactions, including commission income and other expense, have been eliminated. Eliminated commission income totaled $299 and $317 for the three months ended June 30, 2026 and 2025, respectively. Eliminated commission income totaled $555 and $562 for the six months ended June 30, 2026 and 2025, respectively. As of June 30, 2026 and December 31, 2025, fiduciary assets held by SNIA were immaterial and less than $275. The financial information for the three and six months ended June 30, 2026 and 2025 is unaudited; however, in the opinion of the Company, the information includes all adjustments, consisting only of normal recurring adjustments, necessary for a fair presentation of the financial condition, results of operations, and cash flows for the periods. The financial information as of December 31, 2025 is derived from the audited consolidated financial statements included in the Company’s 2025 Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission (“SEC”) on February 27, 2026. These unaudited interim consolidated financial statements may not be indicative of financial results for the full year and should be read in conjunction with the audited consolidated financial statements included in the Company’s 2025 Annual Report on Form 10-K filed with the SEC on February 27, 2026. The Company is a leading provider of property and casualty insurance focused primarily on the Massachusetts market. The Company’s principal product line is automobile insurance. The Company primarily operates through its insurance company subsidiaries, Safety Insurance Company, Safety Indemnity Insurance Company, Safety Property and Casualty Insurance Company, and Safety Northeast Insurance Company.

Basis of Presentation

6 Months Ended

Jun. 30, 2026

1. Basis of Presentation

The consolidated financial statements have been prepared on the basis of accounting principles generally accepted in the United States of America (“GAAP”). The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from these estimates.

The consolidated financial statements include Safety Insurance Group, Inc. and its subsidiaries (the “Company”). The subsidiaries consist of Safety Insurance Company, Safety Indemnity Insurance Company, Safety Property and Casualty Insurance Company, Safety Northeast Insurance Company, Safety Northeast Insurance Agency, Inc. (“SNIA”), and Safety Management Corporation, which is SNIA’s holding company. All intercompany commission transactions, including commission income and other expense, have been eliminated. Eliminated commission income totaled $299 and $317 for the three months ended June 30, 2026 and 2025, respectively. Eliminated commission income totaled $555 and $562 for the six months ended June 30, 2026 and 2025, respectively. As of June 30, 2026 and December 31, 2025, fiduciary assets held by SNIA were immaterial and less than $275.

The financial information for the three and six months ended June 30, 2026 and 2025 is unaudited; however, in the opinion of the Company, the information includes all adjustments, consisting only of normal recurring adjustments, necessary for a fair presentation of the financial condition, results of operations, and cash flows for the periods. The financial information as of December 31, 2025 is derived from the audited consolidated financial statements included in the Company’s 2025 Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission (“SEC”) on February 27, 2026.

These unaudited interim consolidated financial statements may not be indicative of financial results for the full year and should be read in conjunction with the audited consolidated financial statements included in the Company’s 2025 Annual Report on Form 10-K filed with the SEC on February 27, 2026.

The Company is a leading provider of property and casualty insurance focused primarily on the Massachusetts market. The Company’s principal product line is automobile insurance. The Company primarily operates through its insurance company subsidiaries, Safety Insurance Company, Safety Indemnity Insurance Company, Safety Property and Casualty Insurance Company, and Safety Northeast Insurance Company.