Hong Sheng Construction Selected as Preferred Applicant for Taipei Metro Circular Line Northern Section Y21 Station (Jie 2) Land Development Project

Release Date: July 22, 2026 Statement Date: July 21, 2026 Statement Time: 17:26:12 Company Code: 2534 Company Name: Hong Sheng Subject: Announcement of the Company Being Selected as the Preferred Applicant for the 'Land Development Project at Y21 Station (Jie 2) of the Northern Section of the Taipei Metropolitan Mass Rapid Transit System Circular Line' Applicable Clause: Clause 51 Event Date: July 21, 2026

Details: 1. Event Date: July 21, 2026 2. Company Name: Hong Sheng Construction Co., Ltd. 3. Relationship with Company (enter 'Company' or 'Subsidiary'): Company 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: The Company participated in the 'Land Development Project at Y21 Station (Jie 2) of the Northern Section of the Taipei Metropolitan Mass Rapid Transit System Circular Line' and was selected as the preferred applicant. 6. Response Measures: None 7. Other Matters to be Disclosed (if the entity involved in the event or resolution is a publicly issued company or above, this major information simultaneously qualifies as a matter under Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act that significantly impacts shareholders' rights or securities prices): None