MSR: Notice of record date for a ballot

1. Issuer: Masan High-Tech Materials Corporation
2. Stock code: MSR
3. Par value: VND10,000/share
4. Record date: 06/12/2024
5. Ex-date: 05/12/2024
6. Reason:
     * For a ballot:
          - Exercise rate: 01 share - 01 voting rights
          - Expected exercise date:12/2024
          - Content of the ballot: Approving the resignation of a member of the Board of Directors, appointing a replacement member of the Board of Directors and matters under the authority of the General Meeting of Shareholders (if any).
          - Place: 15th floor, Hoa Binh Building, No. 106 Hoang Quoc Viet Street, Nghia Do Ward, Cau Giay District, Hanoi