Postal ballot

- Execution rate: 1 share - 1 voting right
-     Implementation period: From 07/10/2026 to 17:00 on 21/10/2026, specifically:
+ Date of sending ballots and publishing relevant documents: 07/10/2026
+ Deadline for shareholders to return ballots: 17:00 on 21/10/2026
-     Location: No. 118 Vu Xuan Thieu Street, Phuc Loi Ward, Hanoi City
-     Related issues:
+     Approval of the resignation of Ms. Nguyen Thi Huong from the position of Member of the Board of Directors.
+     Election of Mr. Le Quoc Hung as a member of the Board of Directors to replace Ms. Nguyen Thi Huong.
+     Approval of related issues and authorization for the Board of Directors to proceed with consolidating the Board's personnel ffollowing the adoption of the Resolution.
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.
Armephaco 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.