Date of Publication: 31 March, 2026

To: Esteemed Shareholders

Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “BOD Resolution No. 08/2026/NQ-HDQT dated 31st March, 2026 on the extension of the plan for organizing the 2026 Annual General Meeting of Shareholders”. Please kindly find the detailed document attached.

Sincerely,