Gregory H. Boyce, 71, retired from Peabody Energy Corporation in 2015 as Executive Chairman and Chief Executive Officer. Mr. Boyce joined Peabody in 2003 as President and Chief Operating Officer and served as Chief Executive Officer from 2006 to 2015. Prior to joining Peabody, Mr. Boyce served as Chief Executive Officer Energy for international mining company Rio Tinto in London, and other various executive roles with Rio Tinto Group from 1989 to 2003. Mr. Boyce holds a Bachelor of Science in Mining Engineering from the University of Arizona and an Advanced Management Program degree from Harvard University s Graduate School of Business. Director Qualifications: CEO/Executive Management Skills Experience as former President and Chief Executive Officer of Peabody Energy Corporation and other executive management positions noted above. Operational and Industry Expertise Over 44 years of experience in the global energy and mining industries. Past Chairman of the National Mining Association. Chair of Lowell Institute for Mineral Resources Board at the University of Arizona. Health, Safety, Environmental and Social Responsibility Experience Experience managing matters related to regulatory, policy, and social responsibility in executive roles, as well as during service on ESR committees of both Marathon Oil and Monsanto Company. Past member of Board of Trustees of Washington University of St. Louis and past member of Civic Progress in St. Louis. Member Board of Trustees of Heard Museum in Phoenix, Arizona. In-depth experience in environmental and sustainability matters, including development and implementation of Peabody Energy s ESG and climate programs and work with local governments and indigenous groups to develop sustainable mining frameworks. International Experience Extensive senior executive experience working with multinational energy and mining operations, including with Peabody Energy Corporation and Rio Tinto plc (an international natural resource company) as Chief Executive Officer Energy. Prior to his service with Rio Tinto, Mr. Boyce worked for over 10 years in various operational roles of increasing responsibility with Kennecott, a global natural resources company. He also served on the Board of Monsanto Company, a multinational agrochemical and agricultural biotechnology company for more than five years. Compensation Expertise Experience serving as a Chair of Marathon Oil s Compensation Committee, as a member of Monsanto s People and Compensation Committee and as a member of Newmont s Leadership Development and Compensation Committee. Participation in compensation, benefits and related decisions in senior executive roles. Board Experience Service on the Company s Board of Directors since October 2015 including as Independent Chair since 2021. Prior service on the board of Marathon Oil Corporation from 2008 to 2021, having served as Lead Independent Director from February 2019 to May 2021. Formerly served as Executive Chairman of Peabody Energy Corporation from 2007 to 2015 and as a director from 2005 to 2015 and as a Director of Monsanto Company from 2013 to 2018.