Age: 66 Director since 2011 Executive Chairman of the Board Committees: Executive (chair), Investment (chair) U.S. Subsidiary Director Since 2020, Mr. Johnston has served as executive chairman of the board. Serving as president of the company and its U.S. subsidiaries from 2011 to 2022, and as chief executive officer from 2011 to May 2024, he continues to facilitate the business of the board and supports management by working with agencies, investors, shareholders and other industry and business organizations. From 2008 to 2011, he was chief financial officer, senior vice president and secretary for both the company and The Cincinnati Insurance Company, and treasurer of the company. Director Qualifications Brings to the board expertise gained from management of our operations and identifying challenges and opportunities Contributes accounting and actuarial expertise; experience driving technology and efficiency improvements; and strong communication skills to aid in his role as liaison between the board and senior management Selected Directorships and Memberships Member, American Academy of Actuaries (1987-present) Fellow, Casualty Actuarial Society (1990-present) Chartered Financial Analyst (1997-present) Chartered Enterprise Risk Analyst (2013-present) Board Member, American Property Casualty Insurance Association (2021-present) Executive Committee, Ohio Business Roundtable (2023-present)