MSR: Notice of transaction of Directors, PDMR (Nguyen Thieu Nam)

- Name of issuer: Masan High-Tech Materials Corporation
- Stock code: MSR
- Name of person discharging managerial responsibility /Director: Nguyen Thieu Nam
- Position in the listed company: Deputy Chair of the Board of Directors, Member of the Internal Audit Committee
- Number of shares held by the shareholder before transaction: 889,042 shares (0.08%)
- Nature of transaction: order matching & negotiation
- Number of shares to be disposed: 889,042 shares
- Reason for transaction: portfolio restructuring
- Expected Start date of transaction: 11/02/2025
- Expected End date of transaction: 12/03/2025