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

Change in Personel - Appointment Mr Doan Huu Ngoc Thuong - Vice General Director of Biwase

Resolution of the Board of Directors on the Approval of the registration dossier for public offering of share

Resolution of the Board of Directors on the Approving the implementation of the Corporate demerger plan and the establishment of 4 new companies via demerger.