X 10-Q Quarter ended June 30, 2018

Experience Ms. Atkinson served as Executive Vice President of State Street Corporation, a global financial services provider, from 2008 until March 2020 and as its Chief Administrative Officer from May 2019 to March 2020. Prior to that role, Ms. Atkinson served as State Street Corporation’s Chief Compliance Officer from 2017 to May 2019, and its Treasurer from 2016 to 2017. From 2009 to 2010, Ms. Atkinson served as Executive Vice President and Chief Compliance Officer of State Street Corporation, and she served as Executive Vice President and State Street Global Advisors’ Chief Compliance Officer from 2008 to 2009. Prior to joining State Street Corporation in 2008, Ms. Atkinson served in various leadership positions at MFS Investment Management from 2004 to 2008 and as a Partner at PricewaterhouseCoopers from 1999 to 2004, after having joined the firm in 1988. She has served on the board of Citizens Financial Group since 2024, the board of RTX (formerly Raytheon Technologies Corporation) since 2014 and the board of Affiliated Managers Group since 2020. Ms. Atkinson received a bachelor’s degree in accounting from the University of Massachusetts and is a certified public accountant.

Experience Mr. Dunlap is principal of Sweetwater LLC, a consulting firm with a focus on manufacturing and technology. Previously, he served as Interim Chief Executive Officer and President of TimkenSteel Corporation from 2019 to 2021. Prior thereto, Mr. Dunlap spent 31 years with Allegheny Technologies, where he served as Executive Vice President, Flat-Rolled Products from May 2011 until his retirement in December 2014; President, ATI Allegheny Ludlum from 2002 to 2014; and Group President, ATI Flat-Rolled Products from 2008 to 2011. Mr. Dunlap is a member of the board of directors at Matthews International and previously served on the board of directors of Ampco-Pittsburgh Corporation and TimkenSteel Corporation. He is also a past president of the Indiana University of Pennsylvania Foundation Board. Mr. Dunlap received a Bachelor of Science degree in marketing from Indiana University of Pennsylvania and attended the Loyola University of Chicago MBA program.

Experience Mr. Mascarenas served as President and Chairman of the Executive Board of FISITA (Fédération Internationale des Sociétés d’Ingénieurs des Techniques de l’Automobile) from 2014 to 2016. Previously, Mr. Mascarenas worked for 32 years at Ford Motor Company, holding various development and engineering positions, and most recently serving as Chief Technical Officer and Vice President, leading Ford’s worldwide research organization. Mr. Mascarenas is a fellow of the Institution of Mechanical Engineers, and a fellow of the Society of Automotive Engineers. He served as general chairperson for the 2010 SAE World Congress and Convergence and has served on the FISITA board since 2012. Mr. Mascarenas also currently serves on the board of directors at ON Semiconductor Corp. and The Shyft Group, and is a Venture Partner with Fontinalis Partners. Mr. Mascarenas previously served on the board of Borg Warner Inc. from 2018 to 2022. In 2015, he was awarded an Order of the British Empire (OBE) by Her Majesty, Queen Elizabeth II, for his services to the automotive industry. Mr. Mascarenas received a degree in mechanical engineering from University of London, King’s College in England and in June 2013, received an honorary doctorate degree from Chongqing University in China.

Experience Vice Admiral Tracey retired as Vice President, Homeland Security and Defense Services for HP Enterprise Services in October 2016. She worked with Hewlett Packard Co. in increasingly responsible roles until her retirement, and previously was a Client Industry Executive for business development and performance improvement with Electronic Data System Corporation, which was acquired by Hewlett Packard Co. in August 2008. From 1970 to 2004, Vice Admiral Tracey served in increasingly responsible operational and staff positions with the United States Navy, including Chief of Naval Education and Training from 1996 to 1998, Deputy Assistant Secretary of Defense (Military Personnel Policy) from 1998 to 2001, and Director, Navy Headquarters Staff from 2001 to 2004. Vice Admiral Tracey served as a consultant on decision governance processes to the United States Navy from 2004 to 2005 and to the Department of Defense from 2005 to 2006. She currently advises business owners pursuing opportunities with the U.S. Government. She also serves on the board of trustees of Norwich University and the board of directors of the Armed Forces Benefits Association. Vice Admiral Tracey holds a Bachelor of Arts degree in Mathematics from the College of New Rochelle and a Master of Science in Operations Research and Systems Analysis from the Naval Postgraduate School.

Chair: Murry S. Gerber* Members: Tracy A. Atkinson* Andrea J. Ayers Alicia J. Davis Jeh C. Johnson Michael H. McGarry* Patricia A. Tracey All members are “financially literate.” * These three directors meet the SEC’s definition of an “audit committee financial expert.” ​ No member of the Audit Committee serves on the audit committees of more than two other publicly traded companies. ​

Experience Mr. McGarry is the former Executive Chairman of PPG Industries, Inc., a manufacturer and distributor of paints, coatings and specialty materials, a position he held from 2022 to 2023. He served as Chairman and Chief Executive Officer from 2016 through 2022. From 1981 to 2004, Mr. McGarry progressed through a variety of management positions at PPG, including Market Development Manager, silica products; Operations Manager, silicas; Business Manager, TESLIN® sheet; Product Manager in the derivatives, chlorine, liquid and dry caustic soda businesses; and General Manager, fine chemicals. He was appointed Vice President, chlor-alkali and derivatives in 2004; then Vice President, coatings, Europe, and managing director, PPG Europe in 2006; and Senior Vice President of the Commodity Chemicals reporting segment in 2008. In 2012, he was elected Executive Vice President and then Chief Operating Officer in 2014. Mr. McGarry became President and Chief Operating Officer in March 2015, joined PPG’s board of directors in July 2015 and was elected President and CEO in September 2015. Mr. McGarry also currently serves on the board of Shin Etsu Chemical Co., Ltd.. Mr. McGarry graduated from the University of Texas at Austin with a Bachelor of Science degree in mechanical engineering and completed the Advanced Management Program at Harvard Business School.

Experience Mr. Faraci served as Chairman and Chief Executive Officer of International Paper from 2003 to 2014. During his 40-year career at International Paper, Mr. Faraci served in a series of financial, planning and management positions, including President and Chief Executive Officer and Chief Financial Officer. He previously served as Executive Chairman of Carrier Global Corporation, a global leader in intelligent climate and energy solutions, from 2020-2021. He is a trustee emeritus of the American Enterprise Institute, and a member of the Council on Foreign Relations. Mr. Faraci graduated from Denison University with a degree in history and economics. He received his Master of Business Administration from the University of Michigan’s Ross School of Business.

Experience Mr. Engel has served as Chairman, President and Chief Executive Officer of WESCO International, Inc., a leading provider of business-to-business distribution, logistics services and supply chain solutions, since 2011. Previously, at WESCO International, Inc., Mr. Engel served as President and Chief Executive Officer from 2009 to 2011, and Senior Vice President and Chief Operating Officer from 2004 to 2009. Before joining WESCO in 2004, Mr. Engel served as Senior Vice President and General Manager of Gateway, Inc.; Executive Vice President and Senior Vice President of Perkin Elmer, Inc.; and Vice President and General Manager of Allied Signal, Inc. Mr. Engel also held various engineering, manufacturing and general management positions at General Electric Company. Mr. Engel is a member of the Business Roundtable and the Business Council and is a member of the board of directors of the National Association of Manufacturers. Mr. Engel holds a Bachelor of Science degree in mechanical engineering from Villanova University. He received his Master of Business Administration from the University of Rochester.

Experience Secretary Johnson has been a partner in the law firm of Paul, Weiss, Rifkind, Wharton & Garrison LLP since January 2017. Previously, Secretary Johnson served as U.S. Secretary of Homeland Security from December 2013 to January 2017; as General Counsel of the U.S. Department of Defense from 2009 to 2012; as General Counsel of the U.S. Department of the Air Force from 1998 to 2001; and as an Assistant U.S. Attorney in the Southern District of New York from 1988 to 1991. Prior to and between his periods of public service, he was in private practice at Paul, Weiss. Secretary Johnson currently serves on the board of Lockheed Martin Corporation and MetLife, Inc. and as a trustee of Columbia University. Secretary Johnson previously served on the board of PG&E Corporation from May 2017 to March 2018. He graduated from Morehouse College, and received his law degree from Columbia Law School. Secretary Johnson has thirteen honorary degrees.

Experience Mr. Sutherland serves as the Corporation’s Independent Board Chair. He retired as President and Chief Executive Officer of the former IPSCO, Inc., a leading North American steel producer, in July 2007 after spending 30 years with the company and more than five years as President and Chief Executive Officer. Mr. Sutherland is a former chairman of the American Iron and Steel Institute and served as a member of the boards of directors of the Steel Manufacturers Association, the International Iron and Steel Institute, the Canadian Steel Producers Association and the National Association of Manufacturers. Mr. Sutherland earned a Bachelor of Commerce degree from the University of Saskatchewan and a Master of Business Administration from the University of Pittsburgh’s Katz Graduate School of Business.

Experience Mr. Burritt was appointed President and Chief Executive Officer of United States Steel Corporation in May 2017. At that time, Mr. Burritt was also named to the Company’s Board of Directors. He had been elected President and Chief Operating Officer in February 2017 with executive responsibility for all aspects of the Company’s day-to-day business in the United States and Central Europe. Mr. Burritt joined U. S. Steel in September 2013 to serve as Executive Vice President and Chief Financial Officer with responsibility for all aspects of the Company’s strategic and financial matters. Prior to joining U. S. Steel, Mr. Burritt served as Chief Financial Officer at Caterpillar Inc. Mr. Burritt was born in St. Louis, Missouri. He earned a bachelor’s degree in accounting in 1977 from Bradley University in Peoria, Illinois. Mr. Burritt received a master’s degree in business administration from the University of Illinois in Champaign in 1990. Mr. Burritt serves on the board of directors for Lockheed Martin and the National Safety Council and serves on the Executive Committee of the worldsteel board of directors and is a member of The Business Council.

Experience Ms. Ayers served as President and Chief Executive Officer of Convergys Corporation (now Concentrix Corporation), a global provider of customer experience solutions and technology, from November 2012 through October 2018, and as a director of Convergys from October 2012 through October 2018. From 2008 through 2012, Ms. Ayers served as President of Convergys Customer Management Group, Inc., and from 2010 to 2012, she also served as Chief Operating Officer of Convergys Customer Management Group, Inc. She has served on the board of Stanley Black & Decker, Inc. since 2014 and as Chair of the board since April 2022. Ms. Ayers also served on the board of directors of Endurance International Group Holdings, Inc. from 2019 until it was acquired in 2021. Ms. Ayers received a bachelor’s degree in management and administration from Louisiana State University, Shreveport.

Experience Ms. Davis is Chief Strategy Officer at Lear Corporation, a global automotive supplier of seating and electrical distribution and electronic systems. In this role, Ms. Davis leads the Corporate Strategy group, which helps develop and drive Lear’s global strategy and executes value-enhancing acquisitions, divestitures and strategic investments. From 2018 to 2021, Ms. Davis progressed through a variety of positions at Lear, including Senior Vice President, Strategy and Corporate Development, Senior Vice President, Corporate Development and Investor Relations, and Vice President of Investor Relations. Before joining Lear Corporation, Ms. Davis was on the faculty at the University of Michigan Law School, where she served as a tenured professor, and the Associate Dean for Strategic Initiatives. Ms. Davis continues to teach at the University of Michigan Law School as a Professor from Practice. She also served as an Associate and later Of Counsel at Kirkland & Ellis LLP, Vice President at Raymond James & Associates, and an Analyst at Goldman Sachs. Ms. Davis received a bachelor’s degree in business administration from Florida A&M University, a Juris Doctor from Yale Law School, and an MBA from Harvard Business School.