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Mitsubishi Materials Corp (5711.T)

5711.T on Tokyo Stock Exchange

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Summary

Name Age Since Current Position

Hiroshi Yao

70 2015 Chairman of the Board, Representative Director

Akira Takeuchi

62 2015 President, Representative Director

Osamu Iida

60 2017 Executive Vice President, Chief Senior Director of Technology, Representative Director

Naoki Ono

60 2017 Executive Vice President, Chief Director of Business Strategy, President of Subsidiary, Representative Director

Nobuo Shibano

60 2016 Senior Managing Executive Officer, Representative Director

Yasunobu Suzuki

58 2017 Senior Managing Executive Officer, President of Metal Business Company, Representative Director

Yoshihiko Kimura

2013 Managing Executive Officer, President of Electronic Materials Business Company

Kazuhiro Kishi

58 2017 Managing Executive Officer, President of Cement Business Company

Kimball McCloud

2015 Managing Executive Officer, Chairman & President of Subsidiaries

Makoto Shibata

2017 Managing Executive Officer, Chief Senior Director of General Affairs

Fumio Tsurumaki

2015 Managing Executive Officer, President of Processing Business Company

Shinichi Nakamura

2017 Executive Officer, Chief Director of Sales, Vice President of Processing Business Company

Yoshikazu Yasui

2015 Executive Officer, Director of Human Resources in General Affairs Supervision Unit

Shigemitsu Fukushima

2017 Executive Officer, Director of Safety & Environment in Technology Supervisor Unit

Kiyoshi Furukawa

2015 Executive Officer, Director of Functional Materials Business, Vice President of Electronic Materials Business Company

Junichi Harada

2015 Executive Officer, Manager of Aluminum Business Office

Masuhiro Ishitobi

2017 Executive Officer, Deputy Chief Senior Director of Technology, Director of Manufacturing Promotion

Masaaki Kanda

2017 Executive Officer, Chief Director of Environment & Energy Business, Director of Energy Business

Naotoshi Kumano

2016 Executive Officer, Director of Innovation Promotion in Business Strategy Division

Tatsuro Mizuno

2017 Executive Officer, Vice President of Cement Business Company

Kazuki Mizushima

2017 Executive Officer, Deputy Chief Senior Director of Technology

Yasunori Murakami

2017 Executive Officer, Vice President of Processing Business, Chief Director of Manufacturing

Hiroshi Nojiri

2016 Executive Officer, Director of Business Strategy in Main Business Strategy Unit

Tetsuro Sakai

2016 Executive Officer, Vice President of Metals Business Company

Susumu Sasaki

2017 Executive Officer, Deputy Chief Director of Business Strategy, Director of Business Planning

Toru Suzuki

2017 Executive Officer, Director of General Affairs in General Affairs Supervisor Unit

Nobuhiro Takayanagi

2017 Executive Officer, Director of Copper Processing, Vice President of Metals Business Company

Takahiro Yamada

2017 Executive Officer, Vice President of Cement Business Company, Director of Overseas

Yukio Okamoto

71 2000 Independent Director

Mariko Tokuno

62 2016 Independent Director

Hiroshi Watanabe

68 2017 Independent Director

Hideyasu Itagaki

2017 Manager of Administration Group in Accounting Office in Accounting & Finance Unit of Main Business Strategy Unit

Biographies

Name Description

Hiroshi Yao

Mr. Hiroshi Yao has been serving as Chairman of the Board and Representative Director of Mitsubishi Materials Corporation since April 1, 2015. He joined the Company in April 1969. His previous titles include Managing Director and Vice President in the Company. He used to work for two subsidiaries, including Mitsubishi Aluminum Co., Ltd. and Universal Can Corporation.

Akira Takeuchi

Mr. Akira Takeuchi has been serving as President and Representative Director of Mitsubishi Materials Corporation since April 1, 2015. He joined the Company in April 1977. His previous titles include Manager of Legal Affairs Office in General Affairs Division, Executive Officer, Managing Executive Officer, Managing Director and Vice President in the Company.

Osamu Iida

Mr. Osamu Iida has been serving as Executive Vice President, Chief Senior Director of Technology and Representative Director in Mitsubishi Materials Corporation since April 2017. He joined the Company in April 1970. His previous titles include Executive Officer, Vice President of Copper Business Company and Manager of Naoshima Smelting Center in the Company.

Naoki Ono

Mr. Naoki Ono has been serving as Executive Vice President, Chief Director of Business Strategy and Representative Director in Mitsubishi Materials Corporation, as well as President and Director of a subsidiary, Materials Eco-Refining Co., Ltd., since April 2017. He joined the Company in April 1979. His previous titles include Executive Officer, Managing Director, Director of Resources in Raw Fuel Supervisor Unit and Director of Mineral Product Sales in Sales Supervisor Unit in the Company.

Nobuo Shibano

Mr. Nobuo Shibano has been serving as Senior Managing Executive Officer and Representative Director of Mitsubishi Materials Corporation since June 29, 2016. His previous titles include Executive Officer, Director of Planning Management and Managing Executive Officer in the Company.

Yasunobu Suzuki

Mr. Yasunobu Suzuki has been serving as Senior Managing Executive Officer, President of Metal Business Company and Representative Director in Mitsubishi Materials Corporation since April 2017. He joined the Company in April 1982. His previous titles include Managing Executive Officer, Executive Officer, Vice President of Metal Business Company, Vice President of Copper Business Company and Director of Copper Processing Business in the Company.

Yoshihiko Kimura

Kazuhiro Kishi

Kimball McCloud

Makoto Shibata

Fumio Tsurumaki

Shinichi Nakamura

Yoshikazu Yasui

Shigemitsu Fukushima

Kiyoshi Furukawa

Junichi Harada

Masuhiro Ishitobi

Masaaki Kanda

Naotoshi Kumano

Tatsuro Mizuno

Kazuki Mizushima

Yasunori Murakami

Hiroshi Nojiri

Tetsuro Sakai

Susumu Sasaki

Toru Suzuki

Nobuhiro Takayanagi

Takahiro Yamada

Yukio Okamoto

Mr. Yukio Okamoto has been serving as Independent Director of Mitsubishi Materials Corporation since June 2000. He is also serving as Representative Director in Okamoto Associate, Inc. He used to work for Ministry of Foreign Affairs of Japan.

Mariko Tokuno

Ms. Mariko Tokuno has been serving as Independent Director in Mitsubishi Materials Corporation since June 2016. She used to work for other three companies, including TIFFANY & Co. and Christian Dior.

Hiroshi Watanabe

Mr. Hiroshi Watanabe has been serving as Independent Director of Mitsubishi Materials Corporation since June 2017. He is also working for a Research Institute.

Hideyasu Itagaki