

Board of Directors
Directors

President & CEOShogo Sakuraba
April 1981 | Joined Tamron Co., Ltd. |
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January 2005 | Executive Officer, General Manager, Optical Design & Engineering R & D Unit, Tamron Co., Ltd. |
January 2008 | Senior Executive Officer, General Manager, Optical Design & Engineering R & D Unit, Tamron Co., Ltd. |
March 2014 | Director, Tamron Co., Ltd. |
March 2016 | Corporate Vice President, Tamron Co., Ltd. |
August 2023 | President & CEO, Tamron Co., Ltd. (current post) |

Corporate Vice President Tomohide Okayasu
December 2000 | Joined Tamron Co., Ltd. |
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April 2012 | Executive Officer, General Manager, Product Development Management & Administration Unit, Tamron Co., Ltd. |
January 2014 | Executive Officer, General Manager, Imaging Products Business Unit, Tamron Co., Ltd. |
April 2016 | Senior Executive Officer, Tamron Co., Ltd. |
April 2017 | Senior Executive Officer, Tamron Co., Ltd. Vice Chairman, TAMRON USA, INC. |
March 2018 | Director, Tamron Co., Ltd. |
March 2023 | Managing Director, Tamron Co., Ltd. |
March 2025 | Corporate Vice President , Tamron Co., Ltd. (current post) |

Senior Managing DirectorShenghai Zhang
January 1997 | Joined Tamron Co., Ltd. |
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April 2010 | Executive Officer, Tamron Co., Ltd., Managing Director, TAMRON OPTICAL (FOSHAN) CO., LTD. |
April 2014 | Senior Executive Officer, Tamron Co., Ltd., Managing Director, TAMRON OPTICAL (FOSHAN) CO., LTD. |
March 2016 | Director, Tamron Co., Ltd. |
March 2020 | Managing Director, Tamron Co., Ltd. |
March 2025 | Senior Managing Director, Tamron Co., Ltd. (current post) |

Senior Managing DirectorMakoto Otani
April 1984 | Joined Tamron Co., Ltd. |
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April 2012 | Executive Officer, General Manager, OEM Component Business Unit, Tamron Co., Ltd. |
March 2015 | Executive Officer, General Manager, Industrial Optics Business Unit, Tamron Co., Ltd. |
April 2016 | Senior Executive Officer, General Manager, Industrial Optics Business Unit, Tamron Co., Ltd. |
March 2018 | Director, Tamron Co., Ltd. |
March 2023 | Managing Director, Tamron Co., Ltd. |
March 2025 | Senior Managing Director, Tamron Co., Ltd. (current post) |

Outside DirectorHarumi Katagiri
November 1993 | Joined Asahi & Co. (now KPMG AZSA LLC) |
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April 1998 | Registered as a certified public accountant in Japan |
March 2000 | Joined Century Audit Corporation (now Ernst & Young Shin Nihon LLC) |
July 2009 | Member of Shin Nihon LLC (now Ernst & Young Shin Nihon LLC) |
July 2017 | Opened the Harumi Katagiri CPA Office (current post) |
March 2018 | Outside Director, Tamron Co., Ltd. (current post) |
June 2019 | Supervisory Director, Mori Trust Reit, Inc. (current post) |
June 2019 | Outside Director, Audit & Supervisory Committee Member, Japan Asia Investment Co.,Ltd. (current post) |
June 2024 | Outside Director, Audit & Supervisory Committee Member, Kanagawa Chuo Kotsu Co., Ltd. |

Outside DirectorEriko Ishii
October 2004 | Registered as an attorney |
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October 2004 | Joined Mori Hamada & Matsumoto LPC |
February 2011 | Registered as an attorney in the State of New York |
July 2016 | Partner of Shin Saiwai Law Office (current post) |
December 2018 | Outside Director, Audit & Supervisory Committee Member, SmartDrive Inc. (current post) |
May 2019 | Supervisory Auditor, Canadian Solar Infrastructure Fund, Inc. (current post) |
June 2019 | Outside Audit & Supervisory Board Member, ALMAD, INC. (current post) |
March 2021 | Outside Director, Tamron Co., Ltd. (current post) |
March 2021 | Outside Director, Audit & Supervisory Committee Member, Sun Asterisk Inc. (current post) |
October 2022 | Executive Director, Ichigo Hotel REIT Investment Corporation (current post) |
June 2023 | Outside Audit & Supervisory Board Member, erex Co., Ltd (current post) |

Outside DirectorYasuhiro Shirakawa
April 1986 | Joined National Police Agency (NPA) |
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January 2010 | Director, International Affairs Division, Commissioner-General’s Secretariat, NPA |
April 2013 | Chief, Miyazaki Prefectural Police |
September 2014 | Director, General Affairs Division, Commissioner-General’s Secretariat, NPA |
August 2015 | Deputy Director-General in charge of International Affairs and Cybersecurity, NPA |
September 2016 | Deputy Director-General, Security Bureau and in charge of 2020 Olympics and Paralympics, NPA |
August 2017 | Director-General, Foreign Affairs and Intelligence Department, NPA |
July 2018 | Director-General, Community Safety Bureau, NPA |
July 2020 | Audit & Supervisory Board Member, JR West Real Estate & Development Company (current post) |
July 2022 | Special Advisor, West Japan Railway Company (current post) |
July 2022 | Audit & Supervisory Board Member, JR West Real Estate Investment Advisors Co., Ltd. (current post) |
March 2025 | Outside Director, Tamron Co., Ltd. (current post) |

Director, Full-time Audit & Supervisory Committee memberTakahiro Yamaguchi
March 1982 | Joined Tamron Co., Ltd. |
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April 2015 | General Manager, Internal Audit & Supervision Board, Tamron Co., Ltd. |
March 2023 | Corporate Auditor, Tamron Co., Ltd. |
March 2024 | Director, Full-time Audit & Supervisory Committee member, Tamron Co., Ltd. (current post) |

Outside Director, Full-time Audit & Supervisory Committee memberTakashi Hirayama
April 1980 | Joined the Saitama Bank, Ltd. (the present Saitama Resona Bank, Ltd.) |
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June 2005 | Executive Officer, Saitama Resona Bank, Ltd. |
January 2008 | Managing Executive Officer in charge of finance and IPO preparation of AGS Corporation |
June 2010 | Corporate Auditor of AGS Business Computer Corporation |
May 2011 | General Manager of Information Processing Division, Managing Executive Officer of AGS Corporation |
October 2015 | Managing Executive Officer in charge of operational audits of AGS Corporation |
March 2019 | Outside Corporate Auditor, Tamron Co., Ltd. |
March 2024 | Outside Director, Full-time Audit & Supervisory Committee member, Tamron Co., Ltd. (current post) |

Outside Director, Audit & Supervisory Committee memberMasaya Nara
September 1990 | Joined Yasuda Trust & Banking Co., Ltd. (the present Mizuho Trust & Banking Co., Ltd.) |
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April 2009 | Executive officer, General Manager of Investment Planning Division of Mizuho Trust & Banking Co., Ltd. |
June 2011 | Full-time corporate auditor of Mizuho Trust & Banking Co., Ltd. |
April 2014 | Senior managing director of Mizuho Realty Co., Ltd. |
January 2017 | Registered as an attorney |
March 2019 | Outside Corporate Auditor, Tamron Co., Ltd. |
January 2020 | Partner of Torikai Law Office (current post) |
June 2021 | Outside Auditor of RISO KAGAKU CORPORATION (current post) |
June 2022 | Outside Director of Kumagai Gumi Co., Ltd. (current post) |
March 2024 | Outside Director, Audit & Supervisory Committee member, Tamron Co., Ltd. (current post) |

Outside Director, Audit & Supervisory Committee memberTakashi Ueda
April 1981 | Joined the Saitama Bank, Ltd (the present Saitama Resona Bank, Limited) |
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May 1997 | General Manager of Isogo Branch of Asahi Bank, Ltd. (the present Resona Bank, Limited and Saitama Resona Bank, Limited) |
June 2003 | General Manager of Tokyo Sales Department 3 of Resona Bank, Limited |
April 2008 | General Manager of Saitama Sales Department of Saitama Resona Bank, Limited |
June 2009 | Executive Officer in charge of the Tokyo metropolitan area (Block) of Resona Bank, Limited |
June 2011 | Senior Managing Director of Resona Card Co., Ltd. |
June 2017 | Executive Officer In charge of Administration General Affairs & Human Resources Dept., Administrative Management Unit and Overseas Business Department of FUJISASH CO.,LTD. |
April 2020 | Executive Officer in charge of Group Internal Control and Audit Department of FUJISASH CO.,LTD. |
June 2020 | Director of FUJISASH CO.,LTD. |
May 2021 | Executive Officer in charge of Group Internal Control and Business Administrations Dept., Business Management Unit of FUJISASH CO.,LTD. |
June 2021 | Managing Executive Officer In charge of Group Internal Control and Business Administrations Dept., Business Management Unit of FUJISASH CO.,LTD. |
March 2023 | Outside Corporate Auditor, Tamron Co., Ltd. |
July 2023 | President & CEO, Management Support Consulting Ltd.(current post) |
March 2024 | Outside Director, Audit & Supervisory Committee member, Tamron Co., Ltd. (current post) |
Classification | Name | 2024 Activity status(attendance rate) |
Outside Director | Harumi Katagiri | Attended all 17 meetings of the Board of Directors held during the fiscal year. She has fulfilled her role properly, making appropriate remarks based on her professional knowledge and experience as a certified public accountant, especially in regard to finance and accounting. |
Outside Director | Eriko Ishii | Attended all 17 meetings of the Board of Directors held during the fiscal year. She has fulfilled her role properly, making appropriate remarks based on her professional knowledge and experience as a lawyer and her knowledge and experience as a director and corporate auditor of other companies, especially in regard to corporate legal affairs in general and M&A. |
Outside Director, Full-time Audit & Supervisory Committee member |
Takashi Hirayama | Attended all 13 Board of Directors meetings and all 10 Audit & Supervisory Committee held during the fiscal year since assuming his position on March 27,2024. He has made appropriate remarks based on his wealth of business experience at financial institutions and the knowledge and experience of auditors and audit departments of other companies. |
Outside Director, Audit & Supervisory Committee member |
Masaya Nara | Attended all 13 Board of Directors meetings and all 10 Audit & Supervisory Committee held during the fiscal year since assuming his position on March 27,2024. He has made appropriate remarks based on his professional knowledge and experience as a lawyer and his knowledge and experience as directors and corporate auditors of other companies. |
Outside Director, Audit & Supervisory Committee member |
Takashi Ueda | Attended all 15 Board of Directors meetings and all 10 Audit & Supervisory Committee held during the fiscal year since assuming his position on March 27,2024. He has made appropriate remarks based on his wealth of business experience at financial institutions and the knowledge and experience as a corporate executive of other companies. |