BOD Resolution No. 09A/2026/NQ-HDQT dated 10th April, 2026 on Approval of the auction participation plan for the acquisition of existing shareholders’ capital contribution interest in Tan Cang Gantry JSC., in order to increase the equity interest of Tan Cang Offshore Services JSC.

Date of Publication: 15 April, 2026

To: Esteemed Shareholders

Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “BOD Resolution No. 09A/2026/NQ-HDQT dated 10th April, 2026 on Approval of the auction participation plan for the acquisition of existing shareholders’ capital contribution interest in Tan Cang Gantry JSC., in order to increase the equity interest of Tan Cang Offshore Services JSC.”. Please kindly find the detailed document attached.

Sincerely,