Notice of receiving the official letter of SSC on the document reporting the results of the public offering of shares of BWE

Disclosure of information on change of outstanding voting shares

Report on the results of the public offering (according to the Certificate of Registration for Public Offering of Shares No. 318/GCN-UBCK on 30/06/2026

Decision of Appointment Ms Nguyen Thi Ngoc Thanh - Deputy Director and co - current CFO

Notice of dismissal of Mr. Duong Hoang Son from the position of Vice General Director of Biwase

Adjustment the Subscription rights transfer period

Prospectus of Binh Duong Water – Environment Corp. – JSC.

Notice of Public Offering of Shares (Public Offering Registration Certificate No. 318/GCN-UBCK issued by the State Securities Commission on June 30, 2026)

Announcement on the receipt of the Certificate of Registration for the Public Offering of Additional shares

Announcement on the Signing of contract with AASC Auditing Firm Limited Company