MSR: 18/09/2026, first trading date of additional shares on UPCoM

HNX announces the first trading date of additional shares (MSR) on UPCoM as follows:
- Issuer: Masan High-Tech Materials Corporation
- Stock code: MSR
- Securities type: common stock
- Par value: VND10,000/share
- Method of share issue: Share issuance according to ESOP
- Total volume of additional shares registered for trading on UPCoM: 674,100 shares
- Total par value of additional shares registered for trading on UPCoM: VND6,741,000,000
- Total volume registered for trading on UPCoM after additional registration: 1,099,829,520 shares
- Total par value registered for trading on UPCoM after additional registration: VND10,998,295,200,000
- First trading date: Friday, September 18, 2026 (The shares are subject to transfer restriction from September 18, 2025 to September 17, 2026)