Board of Directors and Board of Corporate Auditors (As of June 24, 2020)

Board of Directors TANNOWA Tsutomu HASHIMOTO Osamu MATSUO Hideki Representative Director, Representative Director, Representative Director, Member of the Board, Member of the Board, Member of the Board, Chairman President & CEO Executive Vice President Board of Directors Board of Directors Board of Directors Meetings Attended/Held Meetings Attended/Held Meetings Attended/Held 12/12 12/12 12/12 Term of Office 8 years Term of Office 2 years Term of Office 4 years

Apr. 1976 Joined Toatsu Chemicals, Inc. Apr. 1987 Joined the Company Apr. 1982 Joined Mitsui Toatsu Chemicals, Inc. Apr. 2007 Executive Officer of the Company Apr. 2015 Executive Officer of the Company Apr. 2013 Executive Officer of the Company General Manager, Human Resources & Employee General Manager, Corporate Planning Div. Center Executive, Production & Technology Center Relations Div. Apr. 2017 Managing Executive Officer of the Company Apr. 2014 Managing Executive Officer of the Company Apr. 2010 Managing Executive Officer of the Company Business Sector President, Health Care Business Center Executive, Production & Technology Center Business Sector President, Basic Chemicals Sector, and General Manager, New Health Care Jun. 2016 Member of the Board, Managing Executive Officer of Business Sector Business Development Div. the Company Jun. 2012 Member of the Board, Managing Executive Officer of Sep. 2017 Managing Executive Officer of the Company, Business Center Executive, Production & Technology Center the Company Sector President, Health Care Business Sector Apr. 2017 Member of the Board, Senior Managing Executive Apr. 2013 Member of the Board, Senior Managing Executive Jun. 2018 Member of the Board, Managing Executive Officer Officer of the Company Officer of the Company of the Company, Business Sector President, Center Executive, Production & Technology Center Apr. 2014 Representative Director, Member of the Board, Health Care Business Sector Apr. 2018 Representative Director, Member of the Board, President & CEO of the Company Apr. 2019 Member of the Board, Senior Managing Executive Senior Managing Executive Officer of the Company Apr. 2020 Representative Director, Member of the Board, Officer of the Company, Business Sector President, Apr. 2020 Representative Director, Member of the Board, Chairman of the Company (to present) Health Care Business Sector Executive Vice President of the Company Apr. 2020 Representative Director, Member of the Board, (to present) President & CEO of the Company (to present)

SHIMOGORI Takayoshi NAKAJIMA Hajime Member of the Board, Member of the Board, Senior Managing Executive Managing Executive Composition of Officer Officer the Boards of Directors Board of Directors Meetings Attended/Held Newly appointed and Corporate Auditors 12/12 Term of Office 3 years Independence

Outside Directors and Apr. 1985 Joined the Company Apr. 1984 Joined Mitsui Toatsu Chemicals, Inc. Apr. 2014 Executive Officer of the Company Apr. 2013 General Manager, Performance Management Directors Corporate General Manager, Performance Compound Div., Div. of the Company Auditors Functional Polymeric Materials Business Sector Apr. 2015 Senior Director of the Company 3 Apr. 2015 Executive Officer of the Company General Manager, Finance & Accounting Div. 7 Business Sector President, Apr. 2017 Executive Officer of the Company Functional Polymeric Materials Business Sector General Manager, Finance & Accounting Div. Apr. 2016 Managing Executive Officer of the Company Apr. 2020 Managing Executive Officer of the Company Business Sector President, Mobility Business Sector Jun. 2020 Member of the Board, Managing Executive Apr. 2017 Managing Executive Officer of the Company Officer of the Company (to present) Business Sector President, Food & Packaging Business Sector, and Business Sector President, Mobility Business Sector Jun. 2017 Member of the Board, Managing Executive Officer of Outside the Company, Business Sector President, Food & Packaging Business Sector, and Business Sector Corporate President, Mobility Business Sector Auditors Mar. 2018 Chairman of ARRK Corporation (to present) Apr. 2018 Member of the Board, Senior Managing Executive 3 Officer of the Company, Business Sector President, Food & Packaging Business Sector (to present) Terms of Office Five years Less than or more two years Board of Corporate Auditors 2 4 ISAYAMA Shigeru KUBO Masaharu Full-time Corporate Auditor Full-time Corporate Auditor

Board of Directors Meetings Attended/Held Newly appointed 12/12 Two to Board of Corporate Auditors four years Meetings Attended/Held 17/17 7 Term of Office 2 years

Apr. 1980 Joined the Company Apr. 1980 Joined the Company Apr. 2007 Executive Officer of the Company, General Manager, Apr. 2010 Executive Officer of the Company Percentage of Women Information & Electronics Materials Div., Performance General Manager, Corporate Administration Div. Materials Business Sector Apr. 2013 Managing Executive Officer of the Company Women Apr. 2009 Executive Officer of the Company, General Manager, Jun. 2013 Member of the Board, Managing Executive Officer of Business Planning & Development Div., Performance the Company 15.4% Materials Business Sector Apr. 2014 Member of the Board, Senior Managing Executive Jun. 2009 Member of the Board of the Company, Business Officer of the Company Sector Vice President, Performance Materials Apr. 2016 Representative Director, Member of the Board, Business Sector, and General Manager, Business Senior Managing Executive Officer of the Company Planning & Development Div., Performance Materials Apr. 2017 Representative Director, Member of the Board, Business Sector Executive Vice President of the Company Jun. 2011 Assistant to the President of the Company Apr. 2020 Member of the Board of the Company Representative in the Americas, and General Jun. 2020 Full-time Corporate Auditor of the Company Manager, America, Inc. (to present) Apr. 2013 Managing Executive Officer of the Company Jun. 2013 Member of the Board, Managing Executive Officer of the Company Apr. 2016 Representative Director, Member of the Board, Senior Managing Executive Officer of the Company Apr. 2018 Member of the Board of the Company Jun. 2018 Full-time Corporate Auditor of the Company (to present) Jun. 2019 Outside Director of Fukuvi Chemical Industry Co., Ltd. (to present)

70 Mitsui Chemicals Report 2020 Board of Directors (Independent Outside Directors) Value creation story KURODA Yukiko BADA Hajime YOSHIMARU Yukiko Member of the Board, Member of the Board, Member of the Board, Outside Director Outside Director Outside Director

Board of Directors Board of Directors Board of Directors Meetings Attended/Held Meetings Attended/Held Meetings Attended/Held 12/12 11/12 10/10 Term of Office 5 years Term of Office 4 years Term of Office 1 year

Apr. 1986 Joined Corporation Apr. 1973 Joined Kawasaki Steel Corporation (currently JFE Apr. 1982 Joined Co., Ltd. Jan. 1991 Representative Director of People Focus Consulting Steel Corporation) Apr. 1998 Director of Oki America Inc., and Head of New York Jun. 2010 Outside Audit & Supervisory Board Member of Jun. 2000 Director of Kawasaki Steel Corporation Office of Oki Electric Industry Co., Ltd. Inc. Apr. 2003 Senior Vice President of JFE Steel Corporation Oct. 2004 General Manager of Diversity Development Office of Mar. 2011 Outside Director of CAC Corporation (currently CAC Apr. 2005 Representative Director, President and CEO of JFE MOTOR CO., LTD. Holdings Corporation) (to present) Steel Corporation Apr. 2008 Joined Nifco Inc. Apr. 2012 Managing Director and Founder of People Focus May 2006 Chairman of The and Steel Federation Jun. 2011 Executive Officer of Nifco Inc. Sustainability Consulting (to present) Apr. 2010 Representative Director, President and CEO of JFE Apr. 2018 Outside Director of , Ltd. (to present) Jun. 2013 Outside Director of Corporation Holdings, Inc. Jun. 2019 Member of the Board of the Company (to present) Jun. 2015 Member of the Board of the Company (to present) Apr. 2015 Director of JFE Holdings, Inc. Jun. 2018 Outside Director of Seven Bank, Ltd. (to present) Jun. 2015 Advisor of JFE Holdings, Inc. Outside Director of Corporation (to present) Jun. 2016 Member of the Board of the Company (to present) Outside Corporate Auditor of ASAGAMI CORPORATION (to present) Jun. 2018 Outside Director of NSK Ltd. (to present) Jun. 2019 Honorary Advisor of JFE Holdings, Inc. (to present)

Major Activities Major Activities Major Activities Ms. KURODA Yukiko primarily speaks about Mr. BADA Hajime primarily speaks about sound Ms. YOSHIMARU Yukiko primarily speaks about sound and efficient corporate management from and efficient corporate management from the sound and efficient corporate management from the point of view of one concerned with the validity point of view of one concerned with the validity of the point of view of one concerned with the validity of business execution and corporate social business execution and the intrinsic nature of the of business execution and globalization based on responsibility based on her extensive experience Mitsui Chemicals Group based on his extensive her experience as an executive at other companies as a corporate manager and as an outside officer experience as a corporate manager and president in areas such as diversity promotion and her and consultant at other companies. of an industry organization. extensive international experience. Growth strategies

Board of Corporate Auditors (Independent Outside Corporate Auditors) SHINBO Katsuyoshi TOKUDA Shozo FUJITSUKA Mikio Outside Corporate Auditor Outside Corporate Auditor Outside Corporate Auditor

Board of Directors Board of Directors Board of Directors Meetings Attended/Held Meetings Attended/Held Meetings Attended/Held 11/12 12/12 9/10 Board of Corporate Auditors Board of Corporate Auditors Board of Corporate Auditors Meetings Attended/Held Meetings Attended/Held Meetings Attended/Held 14/17 17/17 12/13 Term of Office 3 years Term of Office 3 years Term of Office 1 year Foundations for growth

Apr. 1984 Registered as an attorney Nov. 1981 Joined Asahi Accounting Company (currently KPMG Apr. 1977 Joined Komatsu Ltd. Nov. 1999 Attorney at Shinbo Law Office (currently Shinbo & AZSA LLC) Apr. 2005 Executive Officer of Komatsu Ltd. Partners) (to present) Aug. 1985 Registered as a certified public accountant Apr. 2010 Senior Executive Officer (Jomu) of Komatsu Ltd. Jun. 2015 Outside Corporate Auditor of Sumitomo Mitsui Jul. 2002 Representative Partner of Asahi & Co. (currently Apr. 2011 Senior Executive Officer (Jomu) and CFO of Banking Corporation KPMG AZSA LLC) Komatsu Ltd. Jun. 2017 Corporate Auditor of the Company (to present) Jun. 2006 Board Member of KPMG AZSA & Co. (currently Jun. 2011 Director, Senior Executive Officer (Jomu) and CFO of Outside Director of Sumitomo Mitsui Financial KPMG AZSA LLC) Komatsu Ltd. Group, Inc. (to present) Jun. 2010 Senior Board Member of KPMG AZSA & Co. Apr. 2013 Director, Senior Executive Officer (Senmu) and CFO (currently KPMG AZSA LLC) of Komatsu Ltd. Jul. 2015 Senior Partner of KPMG AZSA LLC Apr. 2016 Representative Director, Executive Vice President Jun. 2017 Outside Audit & Supervisory Board Member of and CFO of Komatsu Ltd. ENEX CO., LTD. (to present) Apr. 2018 Representative Director and Executive Vice Corporate Auditor of the Company (to present) President of Komatsu Ltd. Apr. 2019 Director of Komatsu Ltd. Jun. 2019 Senior Adviser of Komatsu Ltd. (to present) Outside Director of (to present) Corporate Auditor of the Company (to present)

Major Activities Major Activities Major Activities Financial and company data Mr. SHINBO Katsuyoshi primarily speaks about Mr. TOKUDA Shozo primarily speaks about sound Mr. FUJITSUKA Mikio primarily speaks about sound sound and efficient corporate management from and efficient corporate management from the and efficient corporate management from the the perspectives of ensuring appropriate business perspectives of ensuring appropriate business perspectives of ensuring appropriate business execution of the Company and reinforcing manage- execution of the Company and reinforcing manage- execution of the Company and reinforcing manage- ment oversight functions of the Board of Directors ment oversight functions of the Board of Directors ment oversight functions of the Board of Directors based on his specialist knowledge and extensive based on his specialist knowledge and extensive based on his extensive experience not only as a experience not only as a long-standing lawyer but experience not only as a long-standing certified corporate manager and CFO of a listed company also as an outside officer of other companies. public accountant but also as an outside officer of but also as an outside officer of other companies. other companies.

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