Taiwan Cement: Announcement on the completion of the contract signing for the disposal of land in Taini Section, Zhudong Township, Hsinchu County.

1. Name and nature of the subject matter: Land located at Lot No. 16, Taini Section, Zhudong Township, Hsinchu County. 2. Date of occurrence: 2026/5/14 3. Board of directors' approval date: May 13, 2026 5. Transaction unit quantity, price per unit, and total transaction amount: Area approx. 1,883.97 ping; Total transaction amount: NT$1,266,028 thousand. 6. Counterparty and relationship to the company: Natural person; Non-related party. 9. Estimated profit (or loss) from disposal: Estimated profit of approx. NT$1.02 billion. 23. Specific purpose or use of the acquisition or disposal: To activate the company's assets.