Company Profile Overview Our Company Company Profile Management Team Board of Directors Financial Ratings Financial Reports Investor Relations News Contact Investor Relations Events and Presentations In business since 1912, and headquartered in Boston, today we are the sixth largest global property and casualty insurer based on 2020 gross written premium. We also rank 71 on the Fortune 100 list of largest corporations in the U.S. based on 2020 revenue. As of December 31, 2020, we had $43.8 billion in annual consolidated revenue. We employ over 45,000 people in 29 countries and economies around the world. We offer a wide range of insurance products and services, including personal automobile, homeowners, specialty lines, reinsurance, commercial multiple-peril, workers compensation, commercial automobile, general liability, surety, and commercial property. Description of Legal Entity Structure of Liberty Mutual Group Click here to view a detailed legal entity structure (Schedule Y from the Statutory Annual Financial Statements) Our Management Team Meet the leaders that help shape our company. Learn more Meet the Board of Directors The Board of Directors at Liberty Mutual Insurance is a collegial, diverse and dynamic group, that oversees the vision and direction of the enterprise. Learn more Financial Information Fact Sheet Financial Reports Footer ABOUT LIBERTY MUTUAL Corporate Information Careers Giving Back Investor Relations News Global RESOURCES Retiree Portal Contact Us Supplier Information OTHER SITES Personal Insurance Business Insurance CONNECT WITH US Stay up-to-date with the latest news FOOTER MENU Member Information Web Accessibility Policy Privacy Policy Security Policy Terms & Conditions Fraud Protection Site Map Workers Compensation ©2021 Liberty Mutual Insurance Company, 175 Berkeley Street, Boston, MA 02116 | an Equal Opportunity Employer and an Equal Housing Insurer

Media Inquiries Overview News Release Archive Media Inquiries Media Relations: If you are a member of the media, please reach out to our public relations team at: mediarelations@libertymutual.com Investor Relations contacts (investor/analyst inquiries): Edward Peña, Executive Vice President and Treasurer Office: (857) 224-6655 investor_relations@libertymutual.com Corporate Headquarters: Liberty Mutual Insurance 175 Berkeley Street Boston, Massachusetts 02116 Phone: 617-357-9500 Learn more about Liberty Mutual Our Business Company structure Financials Earnings, calls and reports Awards and Recognition Our organization, our people Footer ABOUT LIBERTY MUTUAL Corporate Information Careers Giving Back Investor Relations News Global RESOURCES Retiree Portal Contact Us Supplier Information OTHER SITES Personal Insurance Business Insurance CONNECT WITH US Stay up-to-date with the latest news FOOTER MENU Member Information Web Accessibility Policy Privacy Policy Security Policy Terms & Conditions Fraud Protection Site Map Workers Compensation ©2021 Liberty Mutual Insurance Company, 175 Berkeley Street, Boston, MA 02116 | an Equal Opportunity Employer and an Equal Housing Insurer