Showa Denko (SDK) (TOKYO: 4004) announces that Kohei Morikawa will resign as President and Chief Executive Officer (CEO) to become Representative Director and Chairman of the Board, of SDK, and that, Hidehito Takahashi, Representative Director, Managing Corporate Officer, Chief Strategy Officer, and General Manager, Preparation Office for Group Chief Strategy Officer (CSO), of SDK, will succeed Morikawa, effective January 4, 2022.

Takahashi is currently in charge of Carbon and Ceramics divisions, Coating Materials Department, Yokohama and Shiojiri plants, and Corporate Strategy Department, of SDK. SDK also announces that, at Showa Denko Materials Co., Ltd. (SDMC), which is a consolidated subsidiary of SDK, Hisashi Maruyama will resign as President and CEO to become Representative Director and Chairman of the Board, of SDMC, and that, Hidehito Takahashi, Director of SDMC, will succeed Maruyama, effective January 4, 2022.

These changes in the presidencies have been decided at SDK's board of directors meeting today.

Through unification of the presidencies and generational changes in top management, SDK and SDMC aim to accelerate integration of the two companies and foster speedy management of the Showa Denko Group as a whole.

Hideo Ichikawa, who is currently Director, Chairman of the Board, of SDK, will resign as Chairman of the Board on January 4, 2022. He will also resign as Director at the ordinary general meeting of shareholders in late March 2022, and assume the post of Advisor.

For further information, contact:

CSR & Corporate Communication Office (Phone: 81-3-5470-3235)

Attachment

Biographical Information

Hidehito TAKAHASHI

Date of birth: July 21, 1962

Education: Graduated from the Faculty of Economics, The University of Tokyo, in

March 1986

Professional Career

April 1986 Joined The Mitsubishi Bank, Ltd. (current MUFG Bank, Ltd.)

February 2002 General Manager, Business Development Department, GE Japan Holding

Corporation

October 2004 Asia Pacific President, GE Sensing & Inspection Technologies, GE Japan

Holding Corporation

October 2008 President and CEO, Silicones Business, Momentive Performance

Materials Japan Inc.

January 2013 President and CEO, GKN Driveline Japan plc

October 2015 Joined Showa Denko K.K. (SDK); Senior Corporate Fellow

January 2016 Corporate Officer; General Manager, Corporate Strategy Department

January 2017 Managing Corporate Officer

March 2017 Director; Managing Corporate Officer

July 2017 Director; Managing Corporate Officer; General Manager, Carbon Division

January 2020 Director; Managing Corporate Officer; Chief Strategy Officer (CSO)

March 2020 Representative Director; Managing Corporate Officer; CSO

June 2020 Representative Director; Managing Corporate Officer; CSO, of SDK

Director, of Showa Denko Materials Co., Ltd. (SDMC)

July 2021 Representative Director; Managing Corporate Officer, in charge of Carbon

Division, Ceramics Division, Coating Materials Department, Yokohama

Plant, Shiojiri Plant and Corporate Strategy Department; CSO, of SDK

Director, of SDMC

Number of SDK shares held by Takahashi: 7,600 (as of September 22, 2021)

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