Dr. Feng served as Director of Science and Technology and Global Analytical Sciences of PPG Industries, Inc., a publicly traded global supplier of paints, coatings, optical products, and specialty materials, from May 2020 to June 2023. From June 2018 to May 2020, Dr. Feng served as Director of Research, Industrial and Packaging Coatings of PPG Industries, Inc. Dr. Feng has served as sole owner of Double Stallion Consulting LLC since October 2025, through which she provides management and innovation consulting services. Dr. Feng holds a Ph.D. in inorganic chemistry, which has provided her with a strong technical background and expertise in the specialty chemicals industry. Dr. Feng s technical and industry experience, her experience in risk management and regulatory compliance, and her knowledge of environmental risks and best practices, developed through her leadership positions with PPG Industries, Inc., The University of Chicago Pritzker School of Molecular Engineering, Bayer MaterialScience LLC and Lanxess Corporation, provide an invaluable perspective to the board s discussions. AGE: 67 DIRECTOR SINCE: 2009 COMMITTEES: Management Development and Compensation Nominating and Corporate Governance Sustainability (Chair) Other Public Company Directorships: None