Semi-annual Consolidated financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 262/2025/TOS-GT regarding the change in PAT on the semi-annual Consolidated financial statements exceeding 10% compared to the same period in 2024

Date of Publication: 29 August, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “ Semi-annual Consolidated financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 262/2025/TOS-GT regarding the change in PAT on the semi-annual...

Semi-annual Separate financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 260/2025/TOS-GT regarding the change in PAT on the semi-annual Separate financial statements exceeding 10% compared to the same period in 2024

Date of Publication: 29 August, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “Semi-annual Separate financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 260/2025/TOS-GT regarding the change in PAT on the semi-annual Separate...

Report on corporate governance for the First Half of 2025

Date of Publication: 30 July, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “Report on corporate governance for the First Half of 2025”. Please kindly find the detailed document attached. Sincerely,

The 2nd Quarter Consolidated financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 214/2025/TOS-GT on the change in PAT on the 2nd Quarter Consolidated financial statements exceeding 10% compared to the same period in 2024

Date of Publication: 29 July, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “The 2nd Quarter Consolidated financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 214/2025/TOS-GT on the change in PAT on the...

The 2nd Quarter Separate financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 216/2025/TOS-GT on the change in PAT on the 2nd Quarter Separate financial statements exceeding 10% compared to the same period in 2024

Date of Publication: 29 July, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “The 2nd Quarter Separate financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 216/2025/TOS-GT on the change in PAT on the...

Erratum to the 2024 Report on Corporate Governance of Tan Cang Offshore Services JSC.

Date of Publication: 14 July, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “Erratum to the 2024 Report on Corporate Governance of Tan Cang Offshore Services JSC.”. Please kindly find the detailed document attached. Sincerely,

Minutes and Resolutions of the 2025 Annual General Meeting of Shareholders

Date of Publication: 26 June, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “Minutes and Resolutions of the 2025 Annual General Meeting of Shareholders”. Please kindly find the detailed document attached. Sincerely,

Information disclosure about additional documents for the 2025 Annual General Meeting of Shareholders

Date of Publication: 20 June, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “Information disclosure about additional documents for the 2025 Annual General Meeting of Shareholders”. Please kindly find the detailed document attached. Sincerely,

Information disclosure about the 2025 Annual General Meeting of Shareholders

Date of Publication: 04 June, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “Information disclosure about the 2025 Annual General Meeting of Shareholders”. Please kindly find the detailed document attached. Sincerely,

The 1st Quarter Consolidated financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 123/2025/TOS-GT on the change in PAT on the 1st Quarter Consolidated financial statements exceeding 10% compared to the same period in 2024.

Date of Publication: 28 April, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “The 1st Quarter Consolidated financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 123/2025/TOS-GT on the change in PAT on the...

The 1st Quarter Separate financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 125/2025/TOS-GT on the change in PAT on the 1st Quarter Separate financial statements exceeding 10% compared to the same period in 2024.

Date of Publication: 28 April, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “The 1st Quarter Separate financial statements for 2025 of Tan Cang Offshore Services JSC. and the Explanation document No. 125/2025/TOS-GT on the change in PAT on the...

The 2024 Annual Report

Date of Publication: 17 April, 2025 To: Esteemed Shareholders Tan Cang Offshore Services JSC. respectfully presents to our Shareholders and Interested Investors the “ The 2024 Annual Report”. Please kindly find the detailed document attached. Sincerely,