[Shanlinshui] Announcement regarding donation by subsidiary Dongshan Lin Development to a related party

1. Date of the event: May 22, 2026 2. Reason for donation: In accordance with the construction and operation contract, 1% of the annual net profit after tax is to be donated to the Guo Shan-Lin Education Foundation after operations commence. 3. Amount of donation: 1,471,363 TWD 4. Recipient: Guo Shan-Lin Education Foundation 5. Relationship with the company: Related party 6. Names and credentials of independent directors who expressed opposition or reservations: Not applicable 7. Opinions expressed by independent directors: Not applicable 8. Other important information: None