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Notice of Change and Reappointment of Directors and Corporate Auditors

UPDATE: 2026.03.24

TOKYO, March 24, 2026 – Rapidus Corporation announced that the following changes and reappointments of directors and corporate auditors were resolved today at its Annual Shareholders’ Meeting and Board of Directors Meeting.



Newly Appointed Directors

  • Outside DirectorToyoaki Nakamura
  • Outside DirectorMihoko Shintani

 

Newly Appointed Auditor

  • Outside Corporate AuditorKazuharu Watanabe

 

Retired External Directors and Auditor

  • Outside DirectorEmiko Higashi
  • Outside DirectorMitsunobu Koshiba
  • Corporate AuditorYasuhiko Yamato

 

New Structure of Board of Directors and Corporate Auditors

Board of Directors

  • Director and ChairmanTetsuro Higashi
  • Representative Director, President and CEOAtsuyoshi Koike
  • Representative Director and Senior Managing Executive OfficerAtsuo Shimizu（Head of Operations Division）
  • Director, in charge of Legal and ComplianceMakoto Matsuo
  • Director, Senior Managing Executive Officer, CFOAtsuko Murakami (Head of Corporate Division）
  • Outside DirectorYoshimitsu Kobayashi
  • Outside DirectorYoshio Nishi
  • Outside DirectorSiva Sivaram
  • Outside DirectorJohannes Stork
  • Outside DirectorToyoaki Nakamura
  • Outside DirectorMihoko Shintani

 

Corporate Auditors

  • Outside Corporate AuditorYutaka Takeuchi
  • Outside Corporate AuditorKazuharu Watanabe

 

Brief Biographies of Newly Appointed Directors and Auditor

Toyoaki Nakamura (Outside Director)

Date of Birth: August 3, 1952

April 1975Joined Hitachi, Ltd.
Jan. 2006General Manager, Finance Department I, Hitachi, Ltd.
April 2007Representative Executive Officer and Executive Officer, Hitachi, Ltd.
April 2010Representative Executive Officer, Senior Vice President and Executive Officer, and General Manager of Finance Group, Hitachi, Ltd.
June 2010Member, Tax System Committee / Chair, Planning Subcommittee, Japan Business Federation
Jan. 2011Member, National Tax Council, National Tax Agency
April 2012Representative Executive Officer and Executive Vice President, Hitachi, Ltd.
April 2013Representative Executive Officer, Executive Vice President and CFO, Hitachi, Ltd.
Aug. 2015Member, Management Committee, Deposit Insurance Corporation of Japan
Nov. 2015Member, Evaluation Committee for Incorporated Administrative Agencies, Ministry of Internal Affairs and Communications
June 2016Director (Audit Committee Member), Hitachi, Ltd.
May 2017Vice President (Representative Director), Japan Tax Association
Oct. 2017Member, Board of Governors, Government Pension Investment Fund
Dec. 2017Member, Corporate Governance System Study Group (Phase 2), Ministry of Economy, Trade and Industry
Aug. 2018Member, Audit Issues Council, Japanese Institute of Certified Public Accountants
Oct. 2018Vice Chairman (Representative Director), Japan Audit & Supervisory Board Members Association
July 2020Member of the Policy Board, the Bank of Japan
Nov. 2025President & Representative Director, Mito Country Club Co., Ltd. (current position)

Mihoko Shintani (Outside Director)

Date of Birth: August 12, 1978

Oct. 2006 Registered with the Dai-Ichi Tokyo Bar Association
Joined TMI Associates
April 2017Adjunct Invited Staff, Japan Aerospace Exploration Agency (JAXA)
July 2018Founded Space Port Japan Association, and appointed as a Board Member (current position)
Jan. 2020Partner, TMI Associates (current position)
April 2020Auditor, SPACE FOODSPHERE Association
April 2021Member, Review and Evaluation Committee for the Aerospace Science and Technology Promotion Fund, Ministry of Education, Culture, Sports, Science and Technology
June 2021Independent Outside Director, SELM Inc.
Jan. 2022Member, Space Security Subcommittee, Space Policy Committee, Cabinet Office (current position)
May 2023Member, Space Transportation Subcommittee, Basic Policy Subcommittee, Space Policy Committee, Cabinet Office (current position)
June 2023Audit and Supervisory Committee Member, CELM Inc. (current position)
March 2024Member, Space Industry Subcommittee, Manufacturing Industries Subcommittee, Industrial Structure Council, Ministry of Economy, Trade and Industry (current position)
Sept. 2024Member, Subcommittee on the Review of the Space Activities Act, Basic Policy Subcommittee, Space Policy Committee, Cabinet Office (current position)
April 2025Member, GX Industrial Location Working Group for Realization of GX Industrial Structure, Cabinet Secretariat (current position)
July 2025Member, Study Group for Industrial Cybersecurity Working Group (Systems, Technologies, and Standardization), Ministry of Economy, Trade and Industry (current position)

Kazuharu Watanabe (Outside Corporate Auditor)

Date of Birth: October 23, 1961

April 1984Joined Asahi Audit Corporation (currently KPMG AZSA LLC)
Oct. 1994Joined Asahi Arthur Andersen & Co.
June 2003Joined Disco Corporation
Nov. 2009Joined Square Enix Co., Ltd.
June 2013Chief Financial Officer, Square Enix Holdings Co., Ltd.
April 2018Director of Square Enix Co., Ltd.
July 2020 Executive Officer and CFO, Net Protections, Inc.
Executive Officer and CFO, Net Protections Holdings, Inc.
June 2021 Director and CFO, Net Protections, Inc. (current position)
Director and CFO, Net Protections Holdings, Inc. (current position)


About Rapidus Corporation

Rapidus Corporation aims to develop and manufacture the world’s most advanced logic semiconductors. We will create new industries together with our customers through the development and provision of services to shorten cycle times in design, wafer processes, 3D packaging and more. We will continue to challenge ourselves in order to contribute to the fulfillment, prosperity and happiness of people’s lives through the use of semiconductors.

Rapidus Corporation
Headquarters: 4-1 Kojimachi, Chiyoda-ku, Tokyo 102-0083, Japan
Founded: August 10, 2022
Business Areas: Development, design, manufacture, and sale of semiconductor devices, integrated circuits and other electronic components
Capital (as of February 27, 2026): 274.95 billion yen (including legal capital surplus)