Disclosure of Board of Directors Resolution regarding the approval of the capital increase plan through stock issuance under the Employee Stock Option Program of Techcom Securities Joint Stock Company (TCBS).

Dear Valued Investors,

Techcom Securities Joint Stock Company (TCBS) announces: The Board of Directors Resolution No. 011201/26/NQ-HĐQT-TCBS dated January 12, 2026, approving the implementation of the capital increase plan through stock issuance under the Company’s Employee Stock Option Program (ESOP).

For further details, please refer to the attached document:

• Board of Directors Resolution (EN)

Sincerely.