Notice of the 2026 Annual General Meeting of Shareholders

No. 12/TB-HĐQT.TDC — Tam Thang, 9 April 2026

To: Shareholders of Ho Chi Minh City Transportation Consulting Joint Stock Company.

The Board of Management of Ho Chi Minh City Transportation Consulting Joint Stock Company respectfully announces and invites shareholders of TDC to attend the 2026 Annual General Meeting of Shareholders.

1. Time and Venue

• Time: 15:00, Thursday, 16 April 2026;
• Venue: The Company’s hall, 01G2 Phung Chi Kien Street, Tam Thang Ward, Ho Chi Minh City.

2. Agenda

To hear, discuss and approve the following matters:

• Report on production and business results for 2025 and the plan and tasks for 2026;
• Audited financial statements for 2025;
• Report on dividend payment, remuneration of the Board of Management and the Board of Supervisors, and appropriation to funds for 2025, and the plan for 2026;
• Report on the activities of the Board of Management in 2025, and its plan and tasks for 2026;
• Report on the activities of the Board of Supervisors in 2025, and its plan and tasks for 2026.

3. Participants

• The Board of Management;
• The Board of Supervisors;
• The Board of General Directors;
• All shareholders named on the shareholder list closed on 31 March 2026.

4. Meeting Documents

• The meeting notice and the power of attorney form (for shareholders authorising another person) are sent directly to shareholders and published on the Company’s website https://tuvangiaothong.com;
• Meeting documents may be collected at the Meeting or are published on the Company’s website https://tuvangiaothong.com.

5. Confirmation of Attendance

To allow thorough preparation for the Meeting and protect shareholders’ interests, shareholders are kindly requested to send their confirmation of attendance, and the power of attorney (if authorising another person), to the Meeting Organising Board before 16:00 on 14 April 2026 at:

• Ho Chi Minh City Transportation Consulting Joint Stock Company, 01G2 Phung Chi Kien Street, Tam Thang Ward, Ho Chi Minh City;
• Or contact directly: Mr Tạ Khắc Trung – Tel: 0254.3851922.

Shareholders attending the Meeting are requested to bring their citizen identity card (which may be presented via the VNeID app with level-2 electronic identification) in order to register. Authorised persons must present their citizen identity card and the power of attorney when attending the Meeting, together with a copy of the citizen identity card of the authorising shareholder.

Your presence will contribute to the success of the Meeting. We look forward to welcoming you.

Yours faithfully.

ON BEHALF OF THE BOARD OF MANAGEMENT

CHAIRMAN

Kiều Anh Mận