News Release Dated June 30, 2023
Company: Japan System Techniques Co., Ltd.
Representative: Takeaki Hirabayashi, President and CEO
Stock code: 4323, Tokyo Stock Exchange, Prime Market
Contact: Toshinori Hamada, General Manager ofGeneral Affairs Department
Tel: +81-6-4560-1000(Corrections) Notice of Executive Appointments
Japan System Techniques Co., Ltd. (JAST) has made the following partial corrections to “Notice of Executive
Appointments” announced on June 28, 2023.
Sections that have been corrected are underlined.
(Before corrections)
1. Directors(1) Reappointment of Directors
New position
President and CEOSenior Executive Director andOfficer, in charge of Medical Big
Data Business, Tokyo New Business
Promotion, Global Business, Tokyo
General Affairs & Personnel andBusiness Promotion
Executive Director and Officer, incharge of Finance and Investor
Relations
Director and Officer, in charge ofGAKUEN Business, New Business
Promotion, BankNeo Business andWestern Japan System Integration
Business
Director and Officer, in charge ofEastern Japan System Integration
Business, Digital Transformation
and General Manager of ASEAN
Business Division
External Director
External Director
External Director

NameTakeaki Hirabayashi

Hiroaki Ban

Noriaki Okado

Yuji Tsuchiya

Chiharu MugurumaYutaka Hosoe
Mitsugi Hanai
Toshiyuki Akiba

1

Previous position
President and CEO
Senior Executive Director andOfficer, in charge of Medical Big
Data Business, Tokyo New
Business Promotion, Global
Business, Tokyo General Affairs &Personnel and Business Promotion
Executive Director and Officer, incharge of Finance and Investor
Relations
Director and Officer, in charge of
GAKUEN Business, New Business
Promotion, BankNeo Business andWestern Japan System Integration
Business
Director and Officer, in charge ofEastern Japan System Integration
Business, Digital Transformationand General Manager of ASEAN
Business Division
External Director
External Director
External Director

(2) New appointment of Directors
New position
Director and Officer, in charge ofPersonnel & General Affairs
Director and Officer, in charge ofManagement Planning,Administrative Department andGeneral Manager of Management
Planning Department

Name
Katsuro Sonoda

Taku Hirabayashi

Previous position
Full-time Audit & Supervisory
Board member
Officer, in charge ofManagement Planning,
Administrative Department andGeneral Manager of Management
Planning Department

2. Directors(1) Reappointment of Audit & Supervisory Board member
New position
External Audit & Supervisory
Board member

Name
Jiro Mogami

Previous position
External Audit & Supervisory
Board member(2) New appointment of Audit & Supervisory Board member
New position
Full-time Audit & Supervisory
Board member

Name
Masami Yabushita

Previous position-3. Substitute Audit & Supervisory Board member(1) Reappointment of substitute Audit & Supervisory Board member
New position
Substitute Audit & Supervisory
Board member

Name
Keizo Yamamoto2

Previous position
Substitute Audit & Supervisory
Board member(After corrections)
1. Directors(1) Reappointment of Directors
New position
President and CEO
Senior Executive Director andOfficer, in charge of Medical Big
Data Business, Tokyo New Business
Promotion, Global Business, Tokyo
General Affairs & Personnel andBusiness Promotion
Executive Director and Officer, incharge of Finance and Investor
Relations
Director and Officer, in charge of
GAKUEN Business, New Business
Promotion, BankNeo Business andWestern Japan System Integration
Business
Director and Officer, in charge ofEastern Japan System Integration
Business, Digital Transformationand General Manager of ASEAN
Business Division
External Director
External Director
External Director(2) New appointment of Directors
New position
Director and Officer, in charge ofPersonnel & General Affairs
Director and Officer, in charge ofManagement Planning,
Administrative Department andGeneral Manager of Management
Planning Department

NameTakeaki Hirabayashi

Hiroaki Ban

Noriaki Okado

Yuji Tsuchiya

Chiharu Muguruma

Yutaka Hosoe
Mitsugi Hanai
Toshiyuki Akiba

Name
Katsuro Sonoda

Taku Hirabayashi

Previous position
President and CEO
Senior Executive Director andOfficer, in charge of Medical Big
Data Business, Tokyo New
Business Promotion, Global
Business, Tokyo General Affairs &Personnel and Business Promotion
Executive Director and Officer, incharge of Finance and Investor
Relations
Director and Officer, in charge ofGAKUEN Business, New Business
Promotion, BankNeo Business andWestern Japan System Integration
Business
Director and Officer, in charge ofEastern Japan System Integration
Business, Digital Transformation
and General Manager of ASEAN
Business Division
External Director
External Director
External Director

Previous position
Full-time Audit & Supervisory
Board member
Officer, in charge ofManagement Planning,
Administrative Department andGeneral Manager of Management
Planning Department

2. Audit & Supervisory Board members(1) Reappointment of Audit & Supervisory Board member
New position
External Audit & Supervisory
Board member

Name
Jiro Mogami

Previous position
External Audit & Supervisory
Board member(2) New appointment of Audit & Supervisory Board member
New position
Full-time Audit & Supervisory
Board member

Name
Masami Yabushita

Previous position-3. Substitute Audit & Supervisory Board member(1) Reappointment of substitute Audit & Supervisory Board member
New position
Substitute Audit & Supervisory
Board member

Name
Keizo Yamamoto

3

Previous position
Substitute Audit & Supervisory
Board member