【CSC Construction】Announcement of the Board of Directors' approval of a donation to the "CSC Group Education Foundation".

1. Date of occurrence of the event: 2026/05/06 2. Reason for donation: To enhance the company's and group's corporate image, fulfill social responsibility, and promote social welfare. 3. Amount of donation: NT$500,000. 4. Recipient: CSC Group Education Foundation. 5. Relationship with the company: The parent company is the main donor. 6. Name and resume of independent directors who expressed opposition or reservation: None. 7. Opinions of the aforementioned independent directors who expressed opposition or reservation: None. 8. Other matters that should be specified: None.