5533 Huangding Announces Re-election of Chairman and Vice Chairman

Release Date: June 24, 2026 Statement Date: June 23, 2026 Statement Time: 13:50:30 Company Code: 5533 Company Name: Huangding

Subject: Board of Directors Elects New Chairman and Vice Chairman Applicable Clause: Item 6 Event Date: June 23, 2026

Details:

1. Board Resolution or Change Date: June 23, 2026

2. Position Type (Please specify Chairman or General Manager): Chairman and Vice Chairman

3. Former Incumbents: Chairman: Liu Xin-Xiong, Representative of Xin-Dian Co., Ltd. Vice Chairman: Liu Yin-Liang, Representative of Xin-Dian Co., Ltd.

4. Former Incumbents' Background: Chairman and Vice Chairman of Huangding Construction

5. New Appointees: Chairman: Liu Xin-Xiong, Representative of Xin-Dian Co., Ltd. Vice Chairman: Liu Yin-Liang, Representative of Xin-Dian Co., Ltd.

6. New Appointees' Background: Chairman and Vice Chairman of Huangding Construction

7. Nature of Change (Please enter 'Resignation', 'Dismissal', 'Term Expiration', 'Position Adjustment', 'Redundancy', 'Retirement', 'Deceased', or 'New Appointment'): Term Expiration

8. Reason for Change: Re-election upon expiration of term

9. Effective Date of New Appointment: June 23, 2026

10. Additional Notes: This announcement pertains to a publicly issued company and concurrently qualifies as a material event under Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act, significantly affecting shareholder rights or securities prices. No further matters to disclose.