C47 discloses information on the receipt of the Representative Office Operation Registration Certificate at the Nui Ngang – Liet Son Site

Construction Joint Stock Company 47 (C47) discloses information that on October 16, 2026, the Company received the Representative Office Operation Registration Certificate at the Nui Ngang – Liet Son Site, completing the registration procedures for the operation of the Representative Office whose establishment was approved by the Board of Directors under Resolution No. 66/2026/NQ-HĐQT dated October 1, 2026.

Person making the disclosure: Mr. Trinh Quoc Tho – Person in charge of corporate governance under Authorization No. 1158/2020/UQ-CC47 dated September 5, 2020 of the Company’s General Director.

Representative Office information

The Representative Office Operation Registration Certificate was approved by the Business Registration Division – Department of Finance of Quang Ngai Province on October 14, 2026.

Attached information disclosure document

This information is disclosed pursuant to Extraordinary Information Disclosure No. 51/2026/CC47-CBTT dated October 16, 2026. Construction Joint Stock Company 47 commits that the disclosed information is true and takes full legal responsibility for the content of the information disclosed.