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Changes in Officers4109STELLA CHEMIFA CORPORATIONMaterials and Chemicals

Notice Concerning Organizational Changes and Key Personnel Changes

Effective 1 June 2026, the Osaka Sales Department and Tokyo Sales Department will be abolished, and the sales organization will be restructured into three departments. The General Affairs Department will also establish the General Affairs Section and Human Resources Section. In addition, responsibilities and positions will change for 5 directors and 6 department head-level and other personnel.

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Who is moving to which position

Resolved 27 April 2026

Incoming appointee

10 items
Scheduled Appointment Date1 June 2026
Takano Jun (高野 順)
Previous positionSenior Managing Director, in charge of Research and Development
New positionSenior Managing Director, in charge of Technology and IR, and General Manager of the Research and Development Department
Ogata Norio (小方 教夫)
Previous positionDirector and Executive Officer, Head of Sales, and General Manager of the Osaka Sales Department
New positionDirector and Executive Officer, Head of Sales
Tsuchiya Masaaki (土谷 匡章)
Previous positionDirector and Executive Officer, General Manager of the Sanpo Plant
New positionDirector and Executive Officer, Head of Production
Nakajima Yasuhiko (中島 康彦)
Previous positionDirector and Executive Officer, General Manager of the Accounting Department
New positionDirector and Executive Officer, in charge of Finance and IR
Yamaji Norihisa (山地 紀寿)
Previous positionDeputy General Manager, Accounting Department
New positionGeneral Manager of the Accounting Department
Nakahara Takashi (中原 崇)
Previous positionSection Manager, Osaka Sales Department
New positionHead of First Sales Department
Hirama Hidetoshi (平間 英俊)
Previous positionGeneral Manager, Tokyo Sales Department
New positionGeneral Manager of the Second Sales Department
Mizoguchi Michinori (溝口 倫徳)
Previous positionDeputy General Manager, Osaka Sales Department
New positionGeneral Manager of the Third Sales Department
Hashiguchi Shinji (橋口 慎二)
Previous positionSection Manager, Electromaterials Section, Sanpo Plant
New positionGeneral Manager of the Sanpo Plant
Yamane Kazuhito (山根 和仁)
Previous positionSection Manager, Manufacturing Section, Kitakyushu Plant
New positionGeneral Manager of the Kitakyushu Plant
Reason for change

To achieve the Company's overall management objectives, optimize operational efficiency, and strengthen its production and administrative structures.

Details of organizational changes

The Osaka Sales Department will be abolished, and the First Sales Department and Third Sales Department will be established. The Tokyo Sales Department will be abolished, and the Second Sales Department will be established. The General Affairs Section and Human Resources Section will be established under the General Affairs Department.

Who is moving to which position
ItemDetails
Resolution date27 April 2026
Scheduled Appointment Date1 June 2026
Name of appointeeTakano Jun (高野 順), Ogata Norio (小方 教夫), Tsuchiya Masaaki (土谷 匡章), Nakajima Yasuhiko (中島 康彦), Yamaji Norihisa (山地 紀寿), Nakahara Takashi (中原 崇), Hirama Hidetoshi (平間 英俊), Mizoguchi Michinori (溝口 倫徳), Hashiguchi Shinji (橋口 慎二), Yamane Kazuhito (山根 和仁)
Appointee's new positionSenior Managing Director, in charge of Technology and IR, and General Manager of the Research and Development Department, Director and Executive Officer, Head of Sales, Director and Executive Officer, Head of Production, Director and Executive Officer, in charge of Finance and IR, General Manager of the Accounting Department, Head of First Sales Department, General Manager of the Second Sales Department, General Manager of the Third Sales Department, General Manager of the Sanpo Plant, General Manager of the Kitakyushu Plant
Appointee's previous positionSenior Managing Director, in charge of Research and Development, Director and Executive Officer, Head of Sales, and General Manager of the Osaka Sales Department, Director and Executive Officer, General Manager of the Sanpo Plant, Director and Executive Officer, General Manager of the Accounting Department, Deputy General Manager, Accounting Department, Section Manager, Osaka Sales Department, General Manager, Tokyo Sales Department, Deputy General Manager, Osaka Sales Department, Section Manager, Electromaterials Section, Sanpo Plant, Section Manager, Manufacturing Section, Kitakyushu Plant
Reason for changeTo achieve the Company's overall management objectives, optimize operational efficiency, and strengthen its production and administrative structures.
Details of organizational changesThe Osaka Sales Department will be abolished, and the First Sales Department and Third Sales Department will be established. The Tokyo Sales Department will be abolished, and the Second Sales Department will be established. The General Affairs Section and Human Resources Section will be established under the General Affairs Department.
Items this document does not state (14)
Date of departureAppointee's date of birthYear the appointee joined the CompanyNumber of shares held by the appointeeName of departing officerFormer position of departing officerNew position of departing officerReason for departureWhether the incumbent will remain in officeReasons for appointmentNumber of directors after the changeFiling as an independent officerChange in Corporate Governance StructureSubject to Approval by the General Meeting of Shareholders

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

To achieve the Company's overall management objectives, optimize operational efficiency, and strengthen its production and administrative structures.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Concerning Organizational Changes and Key Personnel Changes | STELLA CHEMIFA CORPORATION (4109) timely disclosure | Komori