Sinyi: Subsidiary Sinyi Development Selected as Optimal Applicant for Taipei Zhongshan Changchun Public Urban Renewal Project

1. Date of occurrence: 2026/06/12 2. Name of the company: Sinyi Development Co., Ltd. 3. Relationship with the company (parent or subsidiary): Subsidiary 4. Mutual shareholding ratio: 100% directly held 5. Cause of occurrence: Participated in the "Government-led Urban Renewal Project for Four Plots of Land including Plot No. 712-1, Section 1, Changchun Section, Zhongshan District, Taipei City" (the development site is located at four plots including Plot No. 712-1, Section 1, Changchun Section, Zhongshan District, Taipei City), and was selected as the optimal applicant by the Taipei City Urban Regeneration Center. 6. Countermeasure: None. 7. Any other matters that need to be specified (if the subject of the event or resolution is a public offering company or above, this material information also complies with Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act regarding matters that have a major impact on shareholders' equity or securities prices): Follow-up contract signing matters will be handled in accordance with the application instructions of this project, and further announcements will be made afterwards.