INDEPENDENT LEAD DIRECTOR Director since 2014 COMMITTEES Audit Culture and Community Nominating and Corporate Governance (Chair) RELEVANT SKILLS Audit & Financial Expertise Corporate Strategy & Business Development Corporate Governance Ethics/Social Responsibility Oversight Financial Services Global Business & Operations Executive Leadership & Management Mergers & Acquisitions Risk Oversight Key Qualifications Ms. Adamany s financial and operating executive experience in multiple industries, as well as her diverse experience serving on various boards, provides us with wise counsel and the perspective of an experienced leader. Ms. Adamany has served as a director of Jefferies since 2014 and has been a director of Jefferies International Limited (our UK business) since March 2021. Ms. Adamany is our Independent Lead Director, chairs the Nominating and Corporate Governance Committee and serves as a member of the Audit and Culture and Community Committees. She also serves as a director and member of the Audit, Nominations and Risk Committees and as Chair of the Remuneration Committee of Jefferies International Limited. Ms. Adamany s additional current and past experience serving on the boards of directors and committees of other public companies, including Chair of Safety, Environment and Social Responsibility, Audit and Remuneration Committees, as well as former Chair of Jefferies' Risk Committee, qualifies her for service on our Board. PROFESSIONAL HIGHLIGHTS Ms. Adamany served in several capacities at BP plc from 1980 until her retirement in August 2007, including from April 2005 until August 2007 as a member of the five-person Refining & Marketing Executive Committee responsible for overseeing the day-to-day operations and human resources management of BP plc s Refining and Marketing business segment. She also served as Executive Assistant to the Group Chief Executive from October 2002 until March 2005 and as Chief Executive of BP Shipping from October 1999 until September 2002. OTHER ENGAGEMENTS Ms. Adamany has served as a director of Coeur Mining Inc. since March 2013 and is a member of the Nominating and Corporate Governance, Compensation and Leadership Development and Executive Committees and Chair of the Audit Committee. Coeur Mining Inc. is the largest U.S.-based primary silver and gold producer and is listed on the NYSE. Ms. Adamany also has been a director of BlackRock Institutional Trust Company, N.A. since March 2018, where she serves as a member of their Audit and Risk Committees. In addition, Ms. Adamany serves as a director of Vitesse Energy, Inc., which was spun off to our shareholders in January 2023. Ms. Adamany serves on Vitesse s Audit, Compensation (Chair) and Nominating, Governance and Environmental and Social Responsibility Committees. From October 2017 through April 2019, Ms. Adamany also served as a director and member of both the Audit Committee and the Safety, Assurance and Business Ethics Committee of Wood plc, a global leader in the delivery of project, engineering and technical services to energy and industrial markets, listed on the London Stock Exchange, following its acquisition of AMEC Foster Wheeler plc. Prior to that time, from October 2012 until October 2017, Ms. Adamany served as a member of the board of directors of AMEC Foster Wheeler plc, and chaired the Health, Safety, Environmental and Reputation Committee and served as a member of the Audit, Nominations & Governance and Compensation Committees. Ms. Adamany served as a member of the board of directors of National Grid plc from October 2006 until October 2012. EDUCATION Ms. Adamany is a C.P.A. and holds a B.S. in Business Administration with a major in Accounting, magna cum laude , from John Carroll University.