Dear Valued Customers,

Techcom Securities Joint Stock Company (TCBS) hereby announces Purchase Transactions of TCX Share by the following internal persons:

• Ms. Nguyễn Thị Thu Hiền – Member of the Board of Directors and Chief Executive Officer
• Ms. Bùi Thị Thu Hằng – Deputy Chief Executive Officer
• BMs. Phạm Diệu Linh – Deputy Chief Executive Officer
• Ms. Trần Thị Thu Trang – Deputy Chief Executive Officer
• Mr. Ngô Hoàng Hà – Deputy Chief Executive Officer
• Mr. Nguyễn Đăng Minh – Deputy Chief Executive Officer
• Mr. Nguyễn Tuấn Cường – Deputy Chief Executive Officer
• Mr. Nguyễn Tuấn Anh – Branch Director
• Ms. Quách Thùy Linh – Branch Director
• Ms. Đinh Thị Thu Nga – Member of the Internal Audit Committee

Sincerely.