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

1. Date of Event: 2026/07/21 2. Company Name: Hong Sheng Construction Co., Ltd. 3. Relationship with Company (please enter '本公司' or 'Subsidiary'):本公司 (Our Company) 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: Our company has participated in the 'Land Development Project for Y21 Station (Jie 2) on the Northern Section of the Taipei Metropolitan Mass Rapid Transit System Circular Line' and has been 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 significant information simultaneously qualifies as a matter under Article 7, Paragraph 9, Item 9 of the Enforcement Rules of the Securities and Exchange Act that significantly affects shareholders' rights or securities prices): None Keywords: Significant Information