[Towa Steel] Notice regarding the reappointment of the Chairman

1. Date of board resolution or date of change: 2026/05/22 2. Personnel category (Chairman or General Manager): Chairman 3. Name of predecessor: Hou Chieh-Teng 4. Background of predecessor: Chairman, Towa Steel Enterprise Co., Ltd. 5. Name of successor: Hou Chieh-Teng 6. Background of successor: Chairman, Towa Steel Enterprise Co., Ltd. 7. Situation of change (Resignation, removal, expiration of term, job adjustment, layoff, retirement, death, or new appointment): Expiration of term 8. Reason for change: Re-election upon expiration of term 9. Effective date of new appointment: 2026/05/22 10. Other matters to be specified (If the entity of the event or resolution belongs to a public offering company or higher, this significant message also complies with Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act, which affects shareholder rights or securities prices): None.