Sumitomo Electric Industries : Notice of Changes in Representative Directors and Executive Officers (179 KB)

About this update from Sumitomo Electric Industries, Ltd.

To whom it may concern May 12, 2026 Company name: Sumitomo Electric Industries, Ltd. Representative: Osamu Inoue, President and COO (Code No: 5802, Tokyo, Nagoya, and Fukuoka Stock Exchanges) Contact details: Maki Tanaka, General Manager, Public Relations Department TEL: +81-06-6220-4119 Notice of Changes in Representative Directors and Executive Officers Sumitomo Electric Industries, Ltd. announces that its Board of Directors resolved at the meeting held on May 12, 2026, to propose the following changes in executive personnel. The changes on June 26, 2026 are scheduled to be officially approved at the 156th Ordinary General Meeting of Shareholders and the subsequent meeting of the Board of Directors to be held on June 26, 2026. Details Changes in Directors (June 26, 2026: Scheduled date of the Ordinary General Meeting of Shareholders) (1) Resignation of Directors Current position Name Position after resignation Director (Outside Director) Katsuaki Watanabe - Changes in Audit & Supervisory Board Members (June 26, 2026: Scheduled date of the Ordinary General Meeting of Shareholders) Resignation of Audit & Supervisory Board Members Current position Name Position after resignation Audit & Supervisory Board Member (Outside Audit & Supervisory Board Member) Ikuo Yoshikawa - New Appointment of Audit & Supervisory Board Members New position Name Current position Audit & Supervisory Board Member (Outside Audit & Supervisory Board Member) Yuji Morita Former President of Board of Audit of Japan Change of Executive Officers (June 5, 2026) (1) Resignation of Executive Officers Current position Name Position after resignation Managing Executive Officer Kiyonori Yokoi Senior Officer, To be appointed as Senior Managing Director of The Japanese Electric Wire & Cable Makers' Association Change of Executive Officers (June 26, 2026: Scheduled date of the Ordinary General Meeting of Shareholders) Resignation of Executive Officers Current position Name Position after resignation Managing Executive Officer Tokiji Aoyama Senior Managing Director of SUMIDEN SHOJI Co., LTD Managing Executive Officer Kazuhira Harada Senior Officer, President of SUMITOMO ELECTRIC U.K. POWER CABLES LTD. Senior Executive Officer Yuichi Sano - Promotion of Executive Officers New position Name Current position Managing Executive Officer Masayuki Ikeuchi Executive Officer, General Manager of Planning & Administrative Division, Electric Wire & Cable, Energy Business Unit, Managing Executive Officer Kazuyoshi Nakai Executive Officer, President of Sumitomo Electric Wiring Systems, Inc. Managing Executive Officer Hiroshi Tatsuta Executive Officer, General Manager of Flexible Printed Circuits Division Change of Position of Executive Officers New position Name Current position Executive Officer Masaharu Nakamura Executive Officer, General Manager of Sales Division（Central Japan） New Appointment of Executive Officers New position Name Current position Executive Officer Hirofumi Hirota General Manager of Power Cable Division Executive Officer Hirotake Iwadate General Manager of Transmission Devices Division, President of Sumitomo Electric Device Innovations, Inc. Executive Officer Akira Matsuoka General Manager of Magnet Wire Division Executive Officer Kazunari Inoue General Manager of Accounting Division Executive Officer Takekazu Okutsu Sumitomo Electric Bordnetze SE

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