BTS: Notice of record date for Annual General Meeting of Shareholders 2025

1. Issuer: Vicem But Son Cement Joint Stock Company
2. Stock code: BTS
3. Par value: VND10,000/share
4. Record date: 20/03/2025
5. Ex-date: 19/03/2025
6. Reason:
     * Annual General Meeting of Shareholders 2025
          - Exercise rate: 01 share - 01 voting rights
          - Exercise date: Expected in 4/2025
          - Place: Vicem But Son Cement Joint Stock Company, Hong Son village, Thanh Son commune, Kim Bang town, Ha Nam province
          - Agenda: According to the Company's charter and the provisions of the Law.