TST: Change in Business Registration Certificate

Telecommunication Technical Service Joint Stock Company announced change in Business Registration Certificate as follows:
1. Information before the change:
- Address: No. 51B, Alley 40, To Vinh Dien Street, Khuong Trung Ward, Thanh Xuan District, Hanoi City
- Legal Representative: Mr. Le Anh Toan
2. Information after the change:
- Address: No. 51B, Alley 40, To Vinh Dien Street, Khuong Dinh Ward, Hanoi City
- Legal Representative: Mr. Le Minh Hai
3. Reason for the change: Due to changes in administrative boundaries and the ex-General Manager's term expired
4. Effective date: August 11, 2025