Subsidiary Announces Intention to Participate in Real Estate Development Projects

Release Date: June 27, 2026 Statement Date: June 26, 2026 Statement Time: 19:02:33 Company Code: 9940 Company Name: Sinyi Subject: Announcement on Behalf of Subsidiary Regarding Intention to Participate in Real Estate Development Projects Applicable Clause: Item 51 Factual Date: June 26, 2026

1. Factual Date: June 26, 2026 2. Company Name: Sinyi Development Co., Ltd. 3. Relationship with Company (Please enter '本公司' or 'Subsidiary'): Subsidiary 4. Cross-shareholding Ratio: Directly held 100% 5. Reason for Occurrence: To expand its real estate development business, Sinyi Development Co., Ltd. (hereinafter 'Sinyi Development'), a 100%-owned subsidiary of the company, intends to engage in co-construction projects (including urban renewal) or participate in government bidding projects in the Taipei-Keelung metropolitan area. Within a total project construction cost not exceeding NT$1 billion, the Chairman of Sinyi Development shall have full authority to negotiate terms, investment conditions, and sign contracts regarding potential real estate development projects or bids with third parties. 6. Countermeasures: None 7. Other Matters to be Disclosed: Relevant details such as transaction terms will be announced separately upon finalization.