Information Disclosure: Announcement of Board of Directors’ Resolution on Approving Transactions with Insiders of Techcombank Securities Joint Stock Company

Dear Valued Customers,

Techcombank Securities Joint Stock Company (“TCBS”) announces: Board of Directors’ Resolution No. 011206/26/NQ-HĐQT-TCBS dated June 12, 2026, on approving transactions with insiders of Techcombank Securities Joint Stock Company.

For detailed information, please see the attached documents:

Sincerely.