Viet Nam Securities Depository and Clearing Corporation (VSDC) would like to announce the record date of corporate action processing for the Securities registering institution as follows:

- Execution rate: 1 share - 1 voting right
- Meeting time: 16/7/2026 
- Meeting venue: Tuy Hoa Ward, Dak Lak Province (The specific location will be announced by the Company in the Meeting Invitation Notice)
- Meeting Agenda: The agenda for the 2026 Extraordinary General Meeting is as follows:
1. Dismissal of Board of Directors and Supervisory Board members who have submitted resignation letters;
2. Election of additional Board of Directors and Supervisory Board members for the 2025-2030 term;
3. Consideration and approval of the proposal from Binh Duong Water and Environment Corporation (BIWASE) requesting approval for BIWASE to acquire shares from several institutional/individual shareholders in Phu Yen Water Supply and Drainage Corporation without having to conduct a public tender offer;
4. Other matters related to management and operational personnel as stipulated by law and the Company's Charter (if any).
Coordination details and procedures for corporate action processing for holders of the above securities between VSDC, the Securities registering institution and depository members are specified in the Guideline on corporate action processing for securities holders at VSDC.
Phu Yen Water Supply and Sewerage Joint Stock Company  and the parties involved in the process of preparing the dossier, documents of corporate action processing are fully responsible before the law for the legality, accuracy, truthfulness and completeness of the dossier; Institutions and individuals participating in the confirmation of records and documents shall be legally responsible within the scope related to such records and documents as prescribed in Clause 1, Article 11a of the Securities Law No. 54/2019/QH14 dated 26/11/2019, supplemented by Clause 4, Article 1 of Law No. 56/2024/QH15 dated 29/11/2024.