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

- Execution rate: 1:1 (1 share - 1 voting right)
- Meeting time: 21/04/2026. tentatively
- Meeting venue: Meeting hall of Sonadezi Environment Joint Stock Company – No. 12, Huynh Van Nghe Street, Tran Bien Ward, Dong Nai Province.
- Meeting agenda:
+ Report on 2025 production & business results, 2026 plan
+ Report by the Board of Directors (BOD) on 2025 activities and 2026 plan;
+ Report on supervising 2025 production & business
+ 2025 audited financial statements
+ Proposal for 2025 profit distribution
+ Proposal for 2026 profit distribution plan
+ Proposal for 2025 salary/remuneration and 2026 plan for the BOD, Supervisory Board (SB)
+ Proposal for selecting an audit company for 2026 financial statements
+ Other issues within the authority of the General Meeting
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.
Sonadezi Environment Joint Stock Company  and the parties involved in the process of preparing the dossier, documents of corporate action processin 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.