Date of Publication: 23 January, 2026

To: Esteemed Shareholders

Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “ BOD Resolution No. 01/2026/NQ-HDQT dated 23rd January, 2026 on Approval of contracts/transactions between TCO and its internal persons, affiliated persons of internal persons, or affiliated persons of TCO”. Please kindly find the detailed document attached.

Sincerely,