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: to be announced later
- Meeting venue: Viglacera Mineral Joint Stock Company Hall, Van Phu Ward, Lao Cai Province
- Meeting agenda:
+ Approval of 2025 results of production, business and investment activities;
+ Approval of 2026 production, business and investment plan;
+ Approval of 2025 report on remuneration payment to members of the Board of Directors and Supervisory Board and 2026 plan for remuneration payment to members of the Board of Directors and Supervisory Board;
+ Approval of 2025 profit distribution plan;
+ Approval of the selection of the auditing firm for 2026 financial statements;
+ Some other issues under 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.