Taiwan Cement Corporation Invited to Attend Corporate Briefing Hosted by Yuanta Securities

Compliance with Clause 4, Paragraph XX: 12

Factual Date: 115/06/26

1. Date of the Corporate Presentation: 115/06/26 2. Time of the Corporate Presentation: 14:00 3. Location of the Corporate Presentation: 11F, No. 219, Section 3, Nanjing East Road, Taipei City 4. Summary of the Presentation: Taiwan Cement Corporation has been invited to attend a corporate briefing hosted by Yuanta Securities. During the meeting, the company will present an overview of its business operations, ESG initiatives, and future company outlook. 5. Other Matters to be Disclosed: None

For complete financial and business information, please visit the public information observation station under the corporate briefing schedule or related presentation sections.