Obayashi : Notice Regarding Change of Representative Directors and Officers

March 27, 2024

OBAYASHI CORPORATION

Notice Regarding Change of Representative Directors and Officers

OBAYASHI CORPORATION (hereinafter referred to as the "Corporation") hereby announces that it has resolved at the meeting of the Board of Directors held on March 4, 2024 to change the Representative Directors, Directors, Audit & Supervisory Board Members, and Executive Officers, as follows.

The assumption of Directors and Audit & Supervisory Board Members is scheduled to be officially determined upon approval of the Ordinary General Meeting of Shareholders in late June 2024.

1. Change of Representative Directors

(1) Newly appointed Representative Director (on April 1, 2024)

Name	New Position	Current Position
Toshimi Sato	Representative Director*	Director, Executive Vice President

*The career summary of the new Representative Director is provided on the Appendix.

(2) Retiring Representative Director (on March 31, 2024)

Name	New Position	Current Position
Akinobu Nohira	Director	Representative Director, Executive Vice President*

* Scheduled to assume the position of Director who does not hold the position of Executive Officer on April 1, 2024.

(3) Reason for the change

Due to change of the Corporation's business execution system

2. Change of Directors

(1) Candidates for new Directors (Scheduled in late June 2024)

Name	New Position	Current Position
Hiroyuki Shime	Director*	Advisor of UNITIKA LTD. and Outside Auditor of DAIHEN Corporation
Yoshihiro Ikegawa	Director*	Executive Consultant of Mitsubishi Chemical Corporation

*Outside Director as per Article 2, Section 15 of the Companies Act

(2) Retiring Directors (Scheduled in late June 2024)

Name	New Position	Current Position
Akinobu Nohira	Advisor	Representative Director, Executive Vice President*1
Toshihiko Murata	Advisor	Director, Executive Vice President*1
Naoki Izumiya	Advisor	Director*2
Yoko Kobayashi	Advisor	Director*2

*1 After assuming the position of Director who does not hold the position of Executive Officer on April 1, 2024, scheduled to retire from the position of Director and assume the position of Advisor at the close of the Ordinary General Meeting of Shareholders in late June 2024.

*2 Outside Director as per Article 2, Section 15 of the Companies Act

1

3. Change of Audit & Supervisory Board Members

(1) Candidate for a new Audit & Supervisory Board Member (Scheduled in late June 2024)

Name	New Position	Current Position
Eiichiro Okano	Standing Audit & Supervisory Board Member	Managing Executive Officer*

* Scheduled to assume the position of Advisor at the Corporation on April 1, 2024.

(2) Retiring Audit & Supervisory Board Member (Scheduled in late June 2024)

Name	New Position	Current Position
Masahiro Saito	Advisor	Standing Audit & Supervisory Board Member*

*Scheduled to retire from the position of Audit & Supervisory Board Member and assume the position of Advisor at the close of the Ordinary General Meeting of Shareholders in late June 2024.

4. Change of Executive Officers

(1) Title changes for Executive Officers (on April 1, 2024)

Name	New Position	Current Position
Seiji Nagai	Executive Vice President	Senior Managing Executive Officer
Hironobu Kawakami	Senior Managing Executive Officer	Managing Executive Officer
Yoshihito Sasaki	Senior Managing Executive Officer	Managing Executive Officer
Yasuo Morita	Senior Managing Executive Officer	Managing Executive Officer
Motoi Yano	Senior Managing Executive Officer	Managing Executive Officer
Tetsuya Kurebayashi	Managing Executive Officer	Executive Officer

(2) Newly appointed Executive Officers (on April 1, 2024)

Name	New Position	Current Position
Hiroshi Abe	Executive Officer	General Manager of Division Head Office of Building Construction Division
Shinya Urakawa	Executive Officer	Senior General Manager of Building Construction Division at Tokyo Main Office
Ikuo Takeuchi	Executive Officer	Senior General Manager-in-Charge of Marketing Division, and Senior General Manager-in-Charge of Green Energy Division
Katsuhito Yamaura	Executive Officer	Senior General Manager of Civil Engineering Construction Division at Osaka Main Office
Lee Aik Seng	Executive Officer	Managing Director of Obayashi Singapore Private Limited

(3) Retiring Executive Officers (on March 31, 2024)

Name	Current Position
Toshihiko Murata*1	Executive Vice President
Akinobu Nohira*1	Executive Vice President
Eiichiro Okano*2	Managing Executive Officer
Hideo Katsumata*3	Executive Officer
Yutaka Taneda*3	Executive Officer

*1 After assuming the position of Director who does not hold the position of Executive Officer on April 1, 2024, scheduled to retire from the position of Director and assume the position of Advisor at the close of the

Ordinary General Meeting of Shareholders in late June 2024.

*2 Scheduled to assume the position of Advisor at the Corporation on April 1, 2024, and assume the position of Audit & Supervisory Board Member at the Ordinary General Meeting of Shareholders in late June 2024. *3 Scheduled to assume the position of Advisor at the Corporation on April 1, 2024.

[Reference]

(The structure of Directors and Executive Officers as of April 1, 2024 is as follows.)

Directors

Position	Name
Chairman of the Board	Takeo Obayashi
Representative Director	Kenji Hasuwa
Representative Director	Atsushi Sasagawa
Representative Director	Toshimi Sato
Director	Toshihiko Murata
Director	Akinobu Nohira
Director*	Naoki Izumiya
Director*	Yoko Kobayashi
Director*	Masako Orii
Director*	Hiroyuki Kato
Director*	Yukiko Kuroda

*Outside Director as per Article 2, Section 15 of the Companies Act

Executive Officers

Position	Name	Areas of responsibility
President and CEO	Kenji Hasuwa
Executive Vice President	Atsushi Sasagawa	Responsible for overall building construction Head of Marketing Division
Executive Vice President	Toshimi Sato	Responsible for overall administration
Executive Vice President	Seiji Nagai	(Co-Chairperson (Representative Director) of Kansai Keizai Doyukai (Kansai Association of Corporate Executives))
Senior Managing Executive Officer	Naoki Kajita	Head of Technology Division

Position

Name

Areas of responsibility

Senior

Managing Executive Officer

Hironobu Kawakami

Head of Osaka Main Office, Head of Building Construction Division at Osaka Main Office, Head of Yumeshima Development Division, and Senior General Manager of Marketing Division

Senior

Managing Executive Officer

Yoshihito Sasaki

Responsible for overall civil engineering construction, Head of Civil Engineering Construction Division, and Senior General Manager of Safety Division

Senior

Managing Executive Officer

Yasuo Morita

Head of Building Construction Division, Head of Safety Division, and responsible for Environmental Management Division

Senior

Managing Executive Officer

Motoi Yano

Head of Tokyo Main Office, Head of Building Construction Division at Tokyo Main Office, and Senior General Manager of Marketing Division

Managing Executive Officer

Yuichi Yamamoto

Head of Nagoya Branch Office

Managing Executive Officer

Goichi Kamochi

Head of Architectural Design & Engineering Division

Managing Executive Officer

Nobuyuki Wakuni

Head of Hiroshima Branch Office

Managing Executive Officer

Akihiro Higashide

Head of Civil Engineering Construction Division at Tokyo Main Office, and Senior General Manager of Marketing Division

Managing Executive Officer

Kazuyuki Goto

Senior General Manager of Building Construction Division (responsible for mechanical & electrical, and renovation), and Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for mechanical & electrical, and renovation)

Managing Executive Officer

Kenichi Ando

Head of Green Energy Division, Senior General Manager of Marketing Division, and responsible for PPP Division

Managing Executive Officer

Hiromitsu Kato

Head of North American Regional Headquarters

Managing Executive Officer

Futoshi Takahashi

Head of Real Estate Development Division

Managing Executive Officer

Toshiro Kito

Senior General Manager of Building Construction Division at Osaka Main Office (responsible for business development)

Managing Executive Officer

Mitsuaki Sadatoshi

Senior General Manager of Marketing Division

Managing Executive Officer

Shigeru Edatsune

Head of Procurement Division, Senior General Manager of Civil Engineering Construction Division, Senior General Manager of Building Construction Division, and Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for procurement)

Managing Executive Officer

Tetsuya Kurebayashi

Head of Digital Transformation Division

Executive Officer

Kyoji Ikeda

Head of Hokuriku Branch Office

Position

Name

Areas of responsibility

Executive Officer

Kimihiko Sato

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for business development), and Senior General Manager of Marketing Division

Executive Officer

Kojiro Nitta

Senior General Manager of Building Construction Division at Osaka Main Office (responsible for business development), Senior General Manager of Marketing Division, Senior General Manager of Real Estate Development Division (responsible for the Osaka Area), and Senior General Manager of Yumeshima Development Division

Executive Officer

Yoshikatsu Imazuka

Head of Nuclear Facilities Division

Executive Officer

Hitoshi Shibuya

Head of Construction Robotics Division

Executive Officer

Atsushi Takeuchi

Head of Engineering Division

Executive Officer

Shinobu Yamanaka

Head of Asia-Pacific Regional Headquarters

Executive Officer

Koji Kohirata

Senior General Manager of Civil Engineering Construction Division, and Senior General Manager of Marketing Division

Executive Officer

Osamu Yoshizaki

Senior General Manager of Civil Engineering Construction Division, and Senior General Manager of Marketing Division

Executive Officer

Hajime Onojima

Head of Technology Research Institute, and Senior General Manager of Technology Division

Executive Officer

Ryuji Kitaoka

Head of Civil Engineering Construction Division at Osaka Main Office, Senior General Manager of Marketing Division, and Senior General Manager of Yumeshima Development Division

Executive Officer

Hiroshi Kondo

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for construction projects), and Senior Project Director of Shinagawa Station North Area General Project Office at Tokyo Main Office

Executive Officer

Kazutoshi Mitsui

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for business development), and Senior General Manager of Marketing Division

Executive Officer

Ryuichi Yanagawa

Senior General Manager of Building Construction Division at Osaka Main Office (responsible for construction projects)

Executive Officer

Tetsuo Ueda

Head of Kyushu Branch Office

Executive Officer

Shigeru Kojima

Senior General Manager of Civil Engineering Construction Division

Executive Officer

Kazuhisa Sugiyama

Senior General Manager of Civil Engineering Construction Division, and Senior General Manager of Marketing Division

Executive Officer

Toshio Suzuki

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for construction projects)

Executive Officer

Takayuki Tomioka

Responsible for Corporate Strategy Division, and Corporate Communications Department, and Secretarial Department, and General Administration Department, and Business Innovation Division, and General Manager of Corporate Strategy Division

Position

Name

Areas of responsibility

Executive Officer

Koji Furuse

Responsible for Harassment Prevention Department, and Legal Department, and Human Resources Department, and Finance Department, and Accounting Department, and Senior General Manager at Tokyo Main Office (responsible for project administration)

Executive Officer

Ikuo Okuwaki

Senior General Manager of Civil Engineering Construction Division

Executive Officer

Takayuki Akiyama

Head of Shikoku Branch Office

Executive Officer

Tsuyoshi Ito

Senior General Manager of Technology Division, and Senior General Manager of Marketing Division

Executive Officer

Akio Inoue

Head of Civil Engineering Technology Division

Executive Officer

Takuji Imagawa

Head of Yokohama Branch Office

Executive Officer

Yasuyuki Onishi

Senior General Manager of Civil Engineering Construction Division, and General Manager of Division Head Office of Civil Engineering Construction Division

Executive Officer

Kenji Okamura

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for business development), and Senior General Manager of Marketing Division

Executive Officer

Naoyuki Suzuki

Head of Tohoku Branch Office

Executive Officer

Hidefumi Takenaka

Head of Kyoto Branch Office

Executive Officer

Jun Nakamura

Senior General Manager of Architectural Design & Engineering Division

Executive Officer

Shinji Nishikawa

Senior General Manager of Building Construction Division at Osaka Main Office (responsible for business development)

Executive Officer

Katsunori Hanato

Head of Kanto Branch Office

Executive Officer

Masato Yanou

Head of Sapporo Branch Office

Executive Officer

Hiroshi Abe

Senior General Manager of Building Construction Division, and General Manager of Divsion Head Office of Building Construction Division

Executive Officer

Shinya Urakawa

Senior General Manager of Building Construction Division at Tokyo Main Office (responsible for business development), and Senior General Manager of Marketing Division

Executive Officer

Ikuo Takeuchi

Senior General Manager of Building Construction Division at Osaka Main Office (responsible for mechanical & electrical, and renovation), and Senior General Manager of Marketing Division

Executive Officer

Katsuhito Yamaura

Senior General Manager of Civil Engineering Construction Division at Tokyo Main Office (responsible for business development)

Executive Officer

Lee Aik Seng

Managing Director of Obayashi Singapore Private Limited

The Directors and Audit & Supervisory Board Members scheduled to be in office after the conclusion of the Ordinary General Meeting of Shareholders in late June 2024 are as follows:

Position	Name
Chairman of the Board	Takeo Obayashi
Representative Director	Kenji Hasuwa
Representative Director	Atsushi Sasagawa
Representative Director	Toshimi Sato
Director*1	Masako Orii
Director*1	Hiroyuki Kato
Director*1	Yukiko Kuroda
Director*1	Hiroyuki Shime
Director*1	Yoshihiro Ikegawa
Standing Audit & Supervisory Board Member	Eiichiro Okano
Standing Audit & Supervisory Board Member	Isao Watanabe
Audit & Supervisory Board Member*2	Yoshihiro Yamaguchi
Audit & Supervisory Board Member*2	Eiji Mizutani
Audit & Supervisory Board Member*2	Shinya Kuwayama

*1Outside Director as per Article 2, Section 15 of the Companies Act

*2Outside Audit & Supervisory Board Member as per Article 2, Section 16 of the Companies Act

Career Summary of New Representative Director
Name:	Toshimi Sato
Date of birth:	Apr. 6, 1960 (Age: 63)
Career summary:
Apr. 1985	Joined the Corporation
Jan. 2011	Senior General Manager of North American Regional Headquarters at
Overseas Business Division
Apr. 2013	General Manager of Finance Department at Head Office
May 2015	General Manager of Corporate Management Planning Department at Head Office
Apr. 2017	Executive Officer
Jun. 2018	Director (incumbent)
Apr. 2019	Managing Executive Officer
Apr. 2022	Senior Managing Executive Officer
Apr. 2023	Executive Vice President (incumbent)

Number of shares held: 9,500

Disclaimer

This document announced in the Japanese language at the Tokyo Stock Exchange on March 4, 2024 was translated into English and presented solely for the convenience of non-Japanese speaking users. If there is any discrepancy between the Japanese announcement and this English translation, the former will prevail.

If you have any questions, please contact Obayashi investor relations [e-mail].