CABOT CORPORATION - Key Persons

Job Titles:

• Member of the Management Executive Committee
• Senior Vice President, Global Business Services and Global Engineering

Aaron Johnson is Senior Vice President, Global Business Services and Global Engineering. In this role he has oversight of the company's global shared services, supply chain, procurement and global engineering functions. Aaron joined Cabot in 2005 and has held a variety of leadership positions, most recently as Senior Vice President for the former Formulated Solutions segment. Prior to that he served as Senior Vice President of Cabot's former Purification Solutions segment. He was also Vice President and General Manager of Cabot's specialty carbons business. He previously held roles in business management and business development in the EMEA, Asia Pacific, and Americas regions. Before joining Cabot, Aaron worked for The Boston Consulting Group. He earned his MBA from the Massachusetts Institute of Technology's Sloan School of Management and a BS in Geology from Bates College. He is a member of the Board of the Massachusetts Science and Engineering Fair (MSEF).

Job Titles:

• Chief Human Resources Officer
• Member of the Management Executive Committee
• Senior Vice President

Art Wood joined Cabot in 2017. Prior to joining Cabot, Art worked for Thermo Fisher Scientific as group vice president of Human Resources, Specialty Diagnostics Group. During his tenure at Thermo Fisher Scientific he held several senior human resources (HR) leadership roles of increasing responsibility, overseeing large teams of HR professionals globally. In addition to Thermo Fisher Scientific, Art has garnered experience building and leading strategic HR organizations at large, multinational corporations including Progress Software and Sun Microsystems. Art earned his MBA from the University of Colorado Denver and his BA from the University of Maryland.

Job Titles:

• Executive Vice President
• Member of the Management Executive Committee
• President
• Executive Vice President and President, Reinforcement Materials Segment and Americas Region

Bart Kalkstein is Executive Vice President and President, Reinforcement Materials Segment I and Americas Region and also has executive management responsibility for the Digital function. Since joining the company in 2005, Bart has held several key management positions within the company, most recently as Vice President of Corporate Strategy and Development. He was also Vice President of Global Business Operations and General Manager of global emission control solutions for the former Purification Solutions segment, Vice President of business operations and Executive Director of marketing and business strategy for the Performance Chemicals segment, and General Manager of the aerogel business. Prior to joining Cabot, Bart worked for Boston Consulting Group. Bart earned his MBA from Harvard University and a BSE in Civil Engineering and Operations Research at Princeton University.

Job Titles:

• Member of the Management Executive Committee
• Executive Vice President, Chief Financial Officer and Head of Corporate Strategy

Erica McLaughlin is Executive Vice President, Chief Financial Officer and Head of Corporate Strategy. In this role, she is responsible for leading Cabot's finance organization and also oversees the development and implementation of the company's corporate strategy, business development, strategic investments, and acquisitions. Since joining Cabot in 2002, Erica has held a variety of roles within the finance organization and Cabot's global businesses, including Vice President of business operations for the Reinforcement Materials segment and General Manager of the tire business. During her tenure at Cabot, she has held a number of senior leadership positions including Vice President of investor relations and corporate communications, as well as Global Director of strategy, planning and finance for Cabot's core segment. Prior to joining Cabot, Erica worked for KPMG, LLP in their audit services division. She is a Certified Public Accountant and earned an MBA and a BS in accounting from Boston College. She also serves on the Board of Directors of Azenta Life Sciences (Nasdaq: AZTA) and the Advisory Board of FM Global.

Job Titles:

• Member of the Board of Directors

Mr. Wilson was Chief Financial Officer and Senior Vice President of PerkinElmer, Inc., a life sciences diagnostics, discovery and analytical solutions company, from 2009 until his retirement in 2018. Prior to joining PerkinElmer, he held key business development and finance roles over 12 years at the Danaher Corporation, the life sciences and industrial conglomerate, including Corporate Vice President of Investor Relations. Previously, Mr. Wilson worked for several years at AlliedSignal, Inc., now Honeywell International Inc., where he served as Vice President of Finance and Chief Financial Officer for Commercial Aviations Systems. His earlier experience included financial and controllership positions of increasing responsibility at PepsiCo Inc., as well as roles at E.F. Hutton and Company, and KPMG Peat Marwick. Mr. Wilson is a member of the Board of Directors of Alkermes, a fully integrated, global biopharmaceutical company and is a member of the Board of Directors of Novanta, a global supplier to medical and advanced industrial OEMS of core components and subsystems that deliver extreme precision and performance. He is also a Senior Advisor for Astor Place Holdings, the private investment arm of Select Equity Group L.P. Mr. Wilson previously served as member of the Board of Directors and Chair of the Audit Committee of Sparton Corporation, a provider of complex and sophisticated electromechanical devices, which was acquired by Cerberus. He is a Certified Public Accountant.

Job Titles:

• Member of the Management Executive Committee
• Executive Vice President and President, Performance Chemicals Segment and Asia Pacific Region

Jeff Zhu is Executive Vice President and President, Performance Chemicals Segment and Asia Pacific Region. Jeff joined Cabot in 2012 as joined Cabot in 2012 as a Senior Vice President and President of the Asia Pacific region. Prior to joining Cabot, he spent 18 years with Rhodia (and its predecessor Rhone-Poulenc) where he served in a variety of regional and global business leadership roles, including Asia Pacific Regional Commercial Director, Regional Vice President and General Manager of Novecare, and Vice president and Global Director of electronics and catalysis. He served as the chairman and a Board Director of the Association of International Chemical Manufacturers (AICM). Jeff's most recent experience before joining Cabot was with Asia Pacific Resources International Holding Limited (APRIL), a multi-billion USD privately owned global paper and pulp company, where he served as head of global sales. Jeff earned his M.Sc in Chemistry from National University of Singapore and a distinction MBA from the University of Hull, UK.

Job Titles:

• General Counsel
• Member of the Management Executive Committee
• Senior Vice President

Karen Kalita has served as Senior Vice President and General Counsel since June 2019. She is responsible for leading Cabot's global legal organization and overseeing all legal and compliance matters, including corporate governance, intellectual property, securities, and litigation matters. Since joining Cabot in 2008, Karen has held several key positions in the legal department, including Chief Legal Counsel to our Reinforcement Materials segment and former Purification Solutions segment and Senior Legal Counsel to our previous Advanced Technologies segment. Before joining Cabot, Karen was a corporate attorney at WilmerHale LLP in Boston, a global law firm. Karen earned her JD degree from Harvard Law School and a BA from the University of Arizona. She is a member of the Board of the Massachusetts Business Roundtable.

Job Titles:

• Member of the Management Executive Committee
• Senior Vice President
• Senior Vice President, Safety, Health and Environment ( SH & E ) and Government Affairs Chief Sustainability Officer

Martin O'Neill is Senior Vice President, Safety, Health and Environment (SH&E) and Chief Sustainability Officer. In this role, he is responsible for Cabot's sustainability strategy and reporting, public policy and advocacy, and government affairs. Since joining Cabot in 2000, Martin has held several key positions including Director of SH&E for the former Cabot supermetals business, Plant General Manager for the company's tantalum manufacturing operations in Boyertown, Pennsylvania, USA and General Manager of the TANCO mining operation in Manitoba, Canada. Prior to joining Cabot, Martin was Director of SH&E for North and South America with AMP Incorporated/Tyco Electronics and worked in consulting for 15 years. Martin earned his MS in Environmental Science from Drexel University and a BA in Ecology from Rutgers College. He serves on the Board of Trustees for Boston Harbor Now and is a member of the Advisory Board for HomeStart, Inc.

Job Titles:

• Member of the Board of Directors

Committee memberships: Governance and Nominating, Compensation (Chair) Dr. Wolfgruber was Chief Executive Officer of Altana AG, a global specialty chemicals company, a position he held from 2007 until his retirement in January 2016. He joined Altana in 2002, as President and Chief Executive Officer of Altana Chemie AG and a member of the management board of Altana AG. Prior to joining Altana, he held a number of management positions at Wacker-Chemie in the United States and Europe from 1985 through 2002. Dr. Wolfgruber is a Chairman of Altana AG and a Chairman of Lanxess AG, a leading global manufacturer of synthetic rubber and chemical intermediates. He also served as a member of the Supervisory Board of Grillo-Werke AG from 2014 through March 2021, a manufacturer and supplier of zinc alloy products and chemicals, and was a Chairman of Ardex Group, a global supplier of high-performance specialty building materials from 2015 through March 2021.

Job Titles:

• Member of the Board of Directors
• Audit ( Chair ), Executive

Committee memberships: Audit (Chair), Executive, Governance and Nominating Mr. Morrow joined PricewaterhouseCoopers (PwC), a public accounting firm, in 1977 and retired from the partnership in June 2016. Mr. Morrow was a consultant to PwC from the time of his retirement until June 2017. During his tenure, he served as both an audit and overall relationship partner, and also held a variety of leadership positions as well as significant governance roles. Mr. Morrow is a member of the Financial Accounting Standards Advisory Committee, an advisory body to the Financial Accounting Standards Board and as of January 2020, also serves as Chairman. Mr. Morrow was a member of PwC's Global Board of Partners and served as the Lead Director for PwC's U.S. Board of Partners. He also previously served as a member of the Boards of the business schools at Wake Forest University and the University of Rhode Island.

Job Titles:

• Chief Technology Officer
• Member of the Management Executive Committee
• Senior Vice President

Patricia Hubbard joined Cabot in 2018. Prior to joining Cabot, Patricia worked for Avery Dennison as vice president of R&D for the Label and Graphic Materials division in North America. Prior to Avery Dennison, she worked for PolyOne Corporation and General Electric. Throughout her career, she has garnered extensive knowledge of materials science and formulated solutions that have driven new product development and technology innovation. Patricia is a certified Lean Six Sigma Black Belt, and earned her PhD in polymer science from the University of Akron and a BS in Chemistry from Case Western Reserve University. She also serves on the Board of Directors of NAATBatt International.

Job Titles:

• Member of the Board of Directors
• Managing Partner of T X3 Sage Rock

Mr. Nathoo has served as a Managing Partner of T X3 Sage Rock, a private investment management firm, since August 2019. Mr. Nathoo has 30 years of experience which spans the investment banking, private equity, and public equity businesses, including over 22 years at Blackstone where he was a Senior Managing Director for 14 years and led the firm's advisory practice globally in the energy, power and utilities sectors, with New Mountain Capital where he served as an Executive-in- Residence, and with Salomon Brothers Inc. where he started his career. During this time, he has played a range of business and transaction leadership roles. Mr. Nathoo received his Bachelor of Arts degree in Government from Dartmouth College, and a Master of Business Administration degree from Harvard University. He is a member of the Council on Foreign Relations.