Công bố thông tin – CC1 – Page 4

On July 20, 2026, Construction Corporation No. 1 – JSC received Decision No. 957/QD-SGDHN dated July 17, 2026 from the Hanoi Stock Exchange approving the change in stock trading registration (in English).

On July 20, 2026, Construction Corporation No. 1 – JSC received Decision No. 957/QD-SGDHN dated July 17, 2026 from the Hanoi Stock Exchange approving the change in stock trading registration (in Vietnamese).

Resolution of the Board of Directors on the approval of the organizational chart of Construction Corporation No. 1 – JSC (in English)

Resolution of the Board of Directors on the approval of the organizational chart of Construction Corporation No. 1 – JSC (Vietnamese)

Construction Corporation No. 1 – JSC received official letter No. 4394/CNVSDC-ĐK dated July 9, 2026, from the Vietnam Securities Depository and Clearing Corporation – Ho Chi Minh City Branch regarding the adjustment of information on the number of registered securities – securities code CC1 (English).

Construction Corporation No. 1 – JSC received official letter No. 4394/CNVSDC-ĐK dated July 9, 2026, from the Vietnam Securities Depository and Clearing Corporation – Ho Chi Minh City Branch regarding the adjustment of information on the number of registered securities – securities code CC1 (Vietnamese).

Notice of Meeting and Meeting Documents for the 2026 Annual General Meeting of Shareholders (in English)

Notice of Meeting and Meeting Documents for the 2026 Annual General Meeting of Shareholders (in Vietnamese)

Resolution of the Board of Directors approving the set of documents for the 2026 Annual General Meeting of Shareholders (in English)

Resolution of the Board of Directors approving the set of documents for the 2026 Annual General Meeting of Shareholders (in Vietnamese)

Articles of Association (in English)

Regulations (in Vietnamese)

Certificate of Change to Business Registration Information (in English)

Certificate of Change to Business Registration Information (in Vietnamese)

Notification of Changes to the Business Registration Certificate (18th Amendment) (English)

Notice of Changes to the Business Registration Certificate (18th Amendment) (Vietnamese)

Announcement of personnel changes (Dismissal of Ms. Tran Thi Ngoc Thuy, appointment of Mr. Nguyen Dinh Hieu) (in English)

Announcement of personnel changes (Dismissal of Ms. Tran Thi Ngoc Thuy, appointment of Mr. Nguyen Dinh Hieu) (in Vietnamese)