Disclosure of Information: Notice of the first trading day for additionally listed VC6 shares

To:

- State Securities Commission

- Hanoi Stock Exchange

- Shareholders of Visicons Construction and Investment Joint Stock Company


Visicons Construction and Investment Joint Stock Company hereby discloses information regarding the notice of the first trading day for its additionally listed VC6 shares, in accordance with Notice No. 3337/TB-SGDHN dated July 31, 2026, issued by the Hanoi Stock Exchange.

Attached documents:

► Official Letter No. 303/TB/VC6-CBTT regarding the disclosure of the notice of the first trading day for additionally listed VC6 shares (August 4, 2026) – Vietnamese version.

► Official Letter No. 303/TB/VC6-CBTT regarding the disclosure of the notice of the first trading day for additionally listed VC6 shares (August 4, 2026) – English version.