February 18, 2021 To whom it may concern: Company name: Mitsubishi Estate Co., Ltd. Representative: Junichi Yoshida Securities code: 8802 Contact: Motohiro Sato General Manager Corporate Communications Department Telephone: +81-3-3287-5200

Notice Concerning Changes in Organization, Changes in Representative Corporate Executive Officers and Other Personnel

Mitsubishi Estate Co., Ltd. (hereafter “Mitsubishi Estate” or “the Company”) hereby announces that it has decided to make the following organizational changes: changes in Representative Corporate Executive Officers and other personnel as well as candidates for Directors to be submitted at the Ordinary General Meeting of Shareholders scheduled to be held in the latter half of June 2021, and candidates for committee members of the Nominating Committee, Audit Committee and Remuneration Committee to be submitted at the Board of Directors’ Meeting which will be held after the Ordinary General Meeting of Shareholders.

I. Organizational Changes [Effective as of April 1, 2021] The Company will make the following organizational changes with a view to achieving further growth going forward.

1. Commercial Property Business Group (1) Abolition of the Area Management Promotion Office The Company will abolish the Area Management Promotion Office which is part of the Area Management Planning Department.

(2) Establishment of the Logistics Facilities Tenant Relation Office The Company will seek to address a broad range of customer needs by consolidating information obtained through our various operations (planning, sales, and facility management, etc) related to logistics facilities that it develops and manages, and to provide the necessary solutions. To do so, it will integrate property management and leasing functions and establish the Logistics Facilities Tenant Relation Office as part of the Logistics Facilities Development Department.

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(3) Establishment of the Retail Property Strategy & Marketing Planning Office The Company will seek to strengthen the development of new commercial facilities that meet diverse demand from users and office workers, as well as new properties including those for commercial applications. To do so, it will establish the Retail Property Strategy & Marketing Planning Office under the Commercial Property Management Department as an organization responsible for planning attractive commercial and customer attraction content according to asset types, while simultaneously developing location strategies for new commercial facilities and product planning. As a result of the above changes, the Company will transfer the product planning function for commercial facilities of the Client Relations & Solutions Group, to the Retail Property Strategy & Marketing Planning Office.

(4) Establishment of the OCA TOKYO Business Promotion Office The Company will work on the smooth operation of the OCA Tokyo, a private club that plans, develops and provides high-quality experiences and services, to satisfy customer lifestyles and tastes that are further diversifying due to new lifestyles. With this in mind, it will establish the OCA TOKYO Business Promotion Office as part of the Commercial Property Management Department.

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Ⅱ. Change in Representative Directors 1.Candidate for Newly Appointed Representative Corporate Executive Officer (Effective as of April 1, 2021) Title and Duties Name New Former Director, Representative Corporate Executive Officer, Director, Senior Executive Officer, Executive Vice President, In charge of Finance & Accounting Department, Hiroshi Katayama In charge of Finance & Accounting Department, Corporate Communications Department Corporate Communications Department Representative Corporate Executive Officer, Executive Senior Executive Officer, Vice President, In charge of Office Leasing and Tenant Relations Supervising Business Development, Client Relations & Department, Retail Property Leasing Department Kenji Hosokane Solutions Group, In charge of Client Strategy Planning Department, Office Leasing and Tenant Relations Department, Retail Property Leasing Department

2. Representative Corporate Executive Officers, whose Duties will be Changed (Effective as of April 1, 2021) Title and Duties Name New Former Director, Representative Corporate Executive Officer, Director, Representative Corporate Executive Officer, Deputy President, Assistant to President, Deputy President, Assistant to President, Supervising Commercial Property Business Group, Supervising Commercial Property Business Group, In charge of Commercial Property Business Planning In charge of Commercial Property Business Strategy Junichi Tanisawa Department, Department, Commercial Property Business Strategy Department, Commercial Property Business Planning Department, Area Management Planning Department Urban Planning Department, Area Management Planning Department

3. Resigning Representative Corporate Executive Officers (Effective as of April 1, 2021) Title and Duties Name New Former Senior Adviser Representative Corporate Executive Officer, Executive Vice President, Supervising Business Development, Client Relations & Solutions Group, Atsuo Kyono In charge of Client Strategy Planning Department, Business Development, Consulting & Solutions Department 1, Business Development, Consulting & Solutions Department 2 Executive Vice President, Representative Corporate Executive Officer, Executive President mission Vice President, Supervising Residential Business Group, Noboru Nishigai In charge of Residential Business Planning Department, CLT Business, Residential Land & Recreational Facilities Management Office

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Ⅲ. Change in Corporate Executive Officer 1. Newly Appointed Corporate Executive Officer (Effective as of April 1, 2021) Title and Duties Name New Former Senior Executive Officer, Executive Officer, Ikuo Ono In charge of Business Creation Department, In charge of Business Creation Department, DX Promotion Department DX Promotion Department Corporate Executive Officer, General Manager of General Affairs Department In charge of Human Resources Department, General Affairs Department, Hitoshi Kubo Legal & Compliance Department, Compliance, Risk Management and Disaster Prevention

2. Corporate Executive Officers, whose Duties will be Changed (Effective as of April 1, 2021) Title and Duties Name New Former Director, Senior Executive Officer Director, Senior Executive Officer Supervising Residential Business Group, In charge of Human Resources Department, In charge of Residential Business Planning General Affairs Department, Bunroku Naganuma Department, Legal & Compliance Department, CLT Business, Residential Land & Recreational Compliance, Risk Management and Disaster Prevention Facilities Management Office

Ⅳ.Change in Executive Officer (Effective as of April 1, 2021) Title and Duties Name New Former Executive Officer, Executive Officer, In charge of Urban Planning Department, General Manager of Commercial Property Business Toshiyuki Inoue General Manager of Commercial Property Business Strategy Department, Strategy Department General Manager of Urban Planning Department Executive Officer, In charge of Business Development, Consulting & General Manager of Client Strategy Planning Solutions Department 1, Department, Shuichi Shimizu Business Development, Consulting & Solutions General Manager of Collaborative Partner Development Department 2, Office General Manager of Business Development, Consulting & Solutions Department 1

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Ⅴ.Change in Group Executive Officers (Effective as of April 1, 2021) Title and Duties Name New Former Group Executive Officer Representative Director, President & Chief Executive Hirofumi Kato Representative Director, President & Chief Executive Officer of Mitsubishi Estate Home Co., Ltd. Officer of Mitsubishi Estate Home Co., Ltd. Group Executive Officer Executive Vice President of Rockefeller Group Executive Vice President of Rockefeller Group International, Inc. International, Inc. President of Mitsubishi Estate New York Inc. Masanori Iwase President of Mitsubishi Estate New York Inc. Senior Vice President & CFO of MEC Global Partners Senior Vice President & CFO of MEC Global Partners Holdings LLC. Holdings LLC. Senior Adviser, Group Executive Officer, Akinori Nakajo Representative Director & Deputy President of Royal Representative Director & Deputy President of Royal Park Hotels and Resorts Co., Ltd. Park Hotels and Resorts Co., Ltd. Senior Adviser, Group Executive Officer, Representative Director & Executive Vice President of Representative Director & Executive Vice President of Akihiko Watanabe Mitsubishi Jisho Sekkei Inc, Mitsubishi Jisho Sekkei Inc, President & Chief Executive Officer of MEC Design President & Chief Executive Officer of MEC Design International Corporation International Corporation

Ⅵ. Change in Directors 1. Candidates for Newly Appointed Directors (Effective as of the end of June 2021) Title and Duties Name New Former Director Executive Vice President Noboru Nishigai (Effective as of April 1, 2021) Director, Corporate Executive Officer Corporate Executive Officer Hitoshi Kubo (Effective as of April 1, 2021)

2. Resigning Directors (Effective as of the end of June 2021) Title and Duties Name New Former Senior Executive Officer Director, Senior Executive Officer Bunroku Naganuma

Toru Okusa Resign Director

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Ⅶ. Candidates for Directors (Effective as of the end of June 2021) Hirotaka Sugiyama, Chairman of the Board (reappointed) Junichi Yoshida, Director (reappointed) Junichi Tanisawa, Director (reappointed) Tetsuji Arimori, Director (reappointed) Hiroshi Katayama, Director (reappointed) Hitoshi Kubo, Director (newly appointed) Jo Kato, Director (reappointed) Noboru Nishigai, Director (newly appointed) Tsuyoshi Okamoto, Outside Director (reappointed) Shin Ebihara, Outside Director (reappointed) Tetsuo Narukawa, Outside Director (reappointed) Masaaki Shirakawa, Outside Director (reappointed) Shin Nagase, Outside Director (reappointed) Setsuko Egami, Outside Director (reappointed) Iwao Taka, Outside Director (reappointed)

Ⅷ. Members of Committees (Effective as of the end of June 2021, To be decided at the Board of Directors’ Meeting which will be held after the Ordinary Meeting of Shareholders.)

Effective as of the end of June 2021 Former Tsuyoshi Okamoto, Outside Director (committee chairman) Tsuyoshi Okamoto, Outside Director (committee chairman) Nominating Shin Ebihara, Outside Director Shin Ebihara, Outside Director Committee Masaaki Shirakawa, Outside Director Masaaki Shirakawa, Outside Director Setsuko Egami, Outside Director Setsuko Egami, Outside Director Tetsuo Narukawa, Outside Director (committee chairman) Tetsuo Narukawa, Outside Director (committee chairman) Jo Kato, Director Jo Kato, Director Audit Noboru Nishigai, Director Toru Okusa, Director Committee Shin Nagase, Outside Director Shin Nagase, Outside Director Iwao Taka, Outside Director Iwao Taka, Outside Director Shin Ebihara, Outside Director (committee chairman) Shin Ebihara, Outside Director (committee chairman) Remuneration Tsuyoshi Okamoto, Outside Director Tsuyoshi Okamoto, Outside Director Committee Masaaki Shirakawa, Outside Director Masaaki Shirakawa, Outside Director Setsuko Egami, Outside Director Setsuko Egami, Outside Director

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Ⅸ. Change in General Managers (Effective as of April 1, 2021) Name New Former General Manager of Client Strategy Planning General Manager of xTECH Leasing and Promotion Hiroki Ito Department Department Yasutaka Goto General Manager of Urban Planning Department General Manager of Area Management Planning Department Kenichi Hattori General Manager of Area Management Planning General Manager of Chushikoku Branch Department Hiroshi Yamamoto General Manager of xTECH Leasing and Promotion Executive Officer, General Manager of Marunouchi Department Office Tenant Relations & Building Management Department of Mitsubishi Jisho Property Management Co., Ltd. Jiro Mearashi General Manager of General Affairs Department Mitsubishi Estate Asia Pte. Ltd. Executive Director Akira Matsumoto General Manager of Internal Audit Office Director & Senior Executive Officer of Mitsubishi Jisho House Net Co., Ltd. Naoki Takahashi General Manager of Chushikoku Branch General Manager of Internal Audit Office Tetsuya Takahashi Senior Executive Officer of Mitsubishi Jisho General Manager of Business Development, Consulting Property Management Co., Ltd. & Solutions Department 1

(Reference) Officials as of April 1, 2021 Directors Title Name Chairman of the Board Hirotaka Sugiyama Director Junichi Yoshida Director Junichi Tanisawa Director Tetsuji Arimori Director Hiroshi Katayama Director Bunroku Naganuma Director Jo Kato Director Toru Okusa Outside Director Tsuyoshi Okamoto Outside Director Shin Ebihara Outside Director Tetsuo Narukawa Outside Director Masaaki Shirakawa Outside Director Shin Nagase Outside Director Setsuko Egami Outside Director Iwao Taka

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Representative Corporate Executive Officers and Corporate Executive Officers Title Name Duties Representative Corporate Executive Officer, General, Junichi Yoshida President & Chief In charge of Internal Audit Office Executive Officer Assistant to President, Representative Corporate Supervising Commercial Property Business Group, Executive Officer, Junichi Tanisawa In charge of Commercial Property Business Planning Department, Deputy President Commercial Property Business Strategy Department, Area Management Planning Department Representative Corporate In charge of Corporate Planning Department, Executive Officer, Tetsuji Arimori Sustainability Management and Promotion Department Executive Vice President Representative Corporate Executive Officer, Hidemi Waki In charge of Urban Redevelopment Department Executive Vice President In charge of Commercial Property Management Department, Representative Corporate Facility Management Planning Department, Executive Officer, Futoshi Chiba xTECH Leasing and Promotion Department, Executive Vice President Museum Management Office Executive Vice President Noboru Nishigai President mission Representative Corporate In charge of Finance & Accounting Department, Executive Officer, Hiroshi Katayama Corporate Communications Department Executive Vice President Supervising Business Development, Client Relations & Solutions Group, Representative Corporate In charge of Client Strategy Planning Department, Executive Officer, Kenji Hosokane Office Leasing and Tenant Relations Department, Executive Vice President Retail Property Leasing Department Supervising Investment Management Group, Senior Executive Officer Keiji Takano In charge of Investment Management Business Department In charge of Project Planning Department, Urban Project Development Department, Senior Executive Officer Atsushi Nakajima Logistics Facilities Development Department, Hotel Business Department Senior Executive Officer Yuji Fujioka In charge of Airport Business Department Supervising Residential Business Group, In charge of Residential Business Planning Department, Senior Executive Officer Bunroku Naganuma CLT Business, Residential Land & Recreational Facilities Management Office Senior Executive Officer Toru Kimura In charge of Kansai Branch Supervising International Business Group, Senior Executive Officer Yutaro Yotsuzuka In charge of International Business Planning Department Director, Deputy President of Mitsubishi Jisho Residence Co., Ltd. In charge of Business Creation Department, Senior Executive Officer Ikuo Ono DX Promotion Department In charge of Human Resources Department, Corporate Executive Hitoshi Kubo General Affairs Department, Legal & Compliance Department, Officer Compliance, Risk Management and Disaster Prevention

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Executive Officer Title Name Duties Executive Officer Takashi Kobari General Manager of Chubu Branch In charge of Urban Planning Department, Executive Officer Toshiyuki Inoue General Manager of Commercial Property Business Strategy Department In charge of Mixed Use Development Department, Executive Officer Seijin Chino TOKYO TORCH Department, General Manager of TOKYO TORCH Department In charge of Business Development, Consulting & Solutions Department 1, Business Development, Consulting & Solutions Department 2, Executive Officer Shuichi Shimizu General Manager of Business Development, Consulting & Solutions Department 1

Group Executive Officers Title Name Duties Group Executive Tetsuo Yuasa President & Chief Executive Officer of Mitsubishi Real Estate Services Co., Ltd. Officer Group Executive President & Chief Executive Officer of Mitsubishi Jisho Community Hodlings Co., Ltd. Hisashi Komada Officer President & Chief Executive Officer of Mitsubishi Jisho Community Co., Ltd. Group Executive Masaki Yamagishi President & Chief Executive Officer of Mitsubishi Estate・Simon Co., Ltd. Officer Group Executive Representative Director, President & Chief Executive Officer of Mitsubishi Jisho Masaharu Miyajima Officer Residence Co., Ltd. Group Executive Tetsuya Okusa Director & Executive Vice President of Mitsubishi Jisho Sekkei Inc. Officer Group Executive Representative Director, Executive Vice President of Mitsubishi Jisho Residence Co., Nobuhiro Okumoto Officer Ltd. Group Executive Representative Director, President & Chief Executive Officer of Japan Real Estate Asset Naoki Umeda Officer Management Co., Ltd. Group Executive Representative Director, President & Chief Executive Officer of Mitsubishi Jisho Ryozo Kawabata Officer Property Management Co., Ltd. Group Executive Representative Director, President & Chief Executive Officer of Royal Park Hotels and Shinya Mizumura Officer Resorts Co., Ltd. Group Executive Haruhiko Araki President & Chief Executive Officer of Mitsubishi Jisho Investment Advisors, Inc. Officer Group Executive Masato Aikawa Managing Director of Mitsubishi Estate Asia Pte. Ltd. Officer Group Executive Representative Director, President & Chief Executive Officer of Mitsubishi Estate Hirofumi Kato Officer Home Co., Ltd. Executive Vice President of Rockefeller Group International, Inc. Group Executive Masanori Iwase President of Mitsubishi Estate New York Inc. Officer Senior Vice President & CFO of MEC Global Partners Holdings LLC.

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(Reference) Officials as of the end of June, 2021 Directors Title Name Chairman of the Board Hirotaka Sugiyama Director Junichi Yoshida Director Junichi Tanisawa Director Tetsuji Arimori Director Hiroshi Katayama Director Hitoshi Kubo Director Jo Kato Director Noboru Nishigai Outside Director Tsuyoshi Okamoto Outside Director Shin Ebihara Outside Director Tetsuo Narukawa Outside Director Masaaki Shirakawa Outside Director Shin Nagase Outside Director Setsuko Egami Outside Director Iwao Taka

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Mitsubishi Estate Co., Ltd. Group Companies

As of April 1 , 2021 Business Development, Client Relations & Solutions Group Client Strategy Planning Department Collaborative Partner Development Office * MUMEC Visionary Design, Ltd.

Business Development, Consulting & Solutions Department 1 * Telecube, Inc.

Business Development, Consulting & Solutions Department 2 * Telecube Services Co., Ltd.

Office Leasing and Tenant Relations Department Global Marketing and Promotion Office Relocation Management Office

Master Lease Planning and Management Office

Workplace Solutions Office Facility Management Consultancy Office

Retail Property Leasing Department

Innovation and Business Transformation Group Business Creation Department * MEC Agri Co., Ltd. * Medicha Co., Ltd. * GYYM, Inc. DX Promotion Department ■ MEC Business System Solutions Co., Ltd. * spacemotion, Inc.

Commercial Property Business Group

Commercial Property Business Planning Department Group Companies Management Office ■ Sunshine City Corporation ■ Yokohama Sky Building Co., Ltd.

Commercial Property Business Strategy Department ■ Mitsubishi Estate・Simon Co., Ltd. ■ Tokyo Kotsu Kaikan Co., Ltd.

Urban Planning Department ■ Tokyo Ryutsu Center Inc.

Area Management Planning Department Open Innovation Promotion Office

Project Planning Department ■ Royal Park Hotels and Resorts Co., Ltd. Urban Project Development Department ■ Royal Park Hotel Co., Ltd.

Logistics Facilities Development Department Logistics Facilities Tenant Relation Office ■ Marunouchi Hotel Co., Ltd.

Hotel Business Department

Mixed Use Development Department Marunouchi Development Office

Yurakucho Development Planning Office Uchi-kanda Development Office

Akasaka Development Office

Toyosu Development Office

TOKYO TORCH Department

Urban Redevelopment Department Ikebukuro Development Office

Meeting of Shareholders Corporate Strategy Committee

Commercial Property Management Department Retail Property Strategy & Marketing Planning Office ■ Mitsubishi Jisho Property Management Co., Ltd. ■ Ikebukuro District Heating and Cooling Co., Ltd. OCA TOKYO Business Promotion Office ■ Hokuryo City Service Co., Ltd. * FINOLAB Inc.

Facility Management Planning Department Safety Management Office ■ Yuden Building Kanri Co., Ltd. □ O.A.P. D.H.C. Supply Co., Ltd. Renewal Management Office ■ Tokyo Garage Co., Ltd. □ Minato Mirai 21 D.H.C. Co., Ltd. xTECH Leasing and Promotion Department ■ Marunouchi Direct Access Limited * Sumally Inc. ■ Marunouchi Heat Supply Co., Ltd. Museum Management Office Executive Committee Group Strategy Committee Airport Business Department * Takamatsu Airport Co., Ltd. * Mt. Fuji Shizuoka Airport Co.,Ltd. * Shimojishima Airport Management Co.,Ltd.

Strategic Investment Committee Residential Business Group Residential Business Planning Department Residential Value Chain Management Office ■ Mitsubishi Estate Residence Co., Ltd ■ Mitsubishi Estate Housing Components Co., Ltd.

■ MEC Eco LIFE Co., Ltd. ■ Mitsubishi Jisho Community Hodlings Co., Ltd.

■ Mitsubishi Estate Home Co., Ltd. ■ Mitsubishi Jisho Community Co., Ltd.

■ Higashinihon Kaihatsu Co., Ltd. ■ Urban life Co., Ltd. ■ Mitsubishi Jisho House Net Co., Ltd. * Hmlet Japan Co., Ltd. ■ Izumi Park Town Service Co., Ltd. * MEC Industry Co., Ltd. ■ Ryoei Life Service Co., Ltd. □ Sakura Golf Development Co., Ltd.

CLT Business, Residential Land & Recreational Facilities Management Office Board of Directors

President & Chief Executive Officer Executive President & Chief International Business Group

Chairman of the Board the of Chairman International Business Planning Department ■ Rockefeller Group International, Inc. ■ Mitsubishi Estate Vietnam Company Limited. ■ Mitsubishi Estate New York Inc. ■ Mitsubishi Estate (Thailand) Co.,Ltd. ■ Mitsubishi Estate London Limited * Mitsubishi Estate (Shanghai) Ltd. ■ Mitsubishi Estate Asia Pte. Ltd. * Mitsubishi Estate Taiwan Ltd. ■ PT. Mitsubishi Estate Indonesia □ Premium Residence Co., Ltd.

Investment Management Group

Investment Management Business Department ■ Mitsubishi Jisho Investment Advisors, Inc. ■ TA Realty LLC

■ Japan Real Estate Asset Management Co., Ltd. ■ Pan Asia Realty Advisors Pte Ltd.

■ MEC Global Partners Holdings LLC * CLSA Real Estate Limited

■ Europa Capital (Partners) LLP

Internal Audit Office Corporate Group Architectural Design & Engineering Group

Corporate Planning Department Corporate Planning Department Affiliated Group Office ■ Mitsubishi Jisho Sekkei Inc.

Strategic Investment Office ■ MEC Design International Corporation

Mitsubishi Jisho Sekkei Architectural & Engineering Design Nominating Committee Sustainability Committee Sustainability Management and Promotion Department * (Shanghai) Co., Ltd. Sustainability Subcommittee Finance & Accounting Department * Mitsubishi Jisho Sekkei Asia Pte. Ltd.

Audit Committee Audit Committee Office Corporate Communications Department Investor Relations Office Real Estate Services Group

Rugby Marketing Office ■ Mitsubishi Real Estate Services Co., Ltd.

Remuneration Committee Human Resources Department Human Resources Compliance & Diversity Promotion Office ■ MITSUBISHI ESTATE PARKS CO., LTD.

Risk Management & Compliance Committee General Affairs Department Secretary Office Legend ■ Keiyo Tochi Kaihatsu Co., Ltd. ■Consolidated Subsidiaries Risk Management & Compliance Subcommittee Legal & Compliance Department ■ MEC Human Resources, Inc. □Equity method affiliated companies * Fuji Cemetery ＆ Gardens * Outside the scope of consolidation

Hokkaido Branch

Tohoku Branch

Yokohama Branch Minato Mirai 21 Office Chubu Branch Kansai Branch GRAND FRONT OSAKA Office Chushikoku Branch Umekita Development Office Kyushu Branch IMS Development Office