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: 23/4/2026 tentatively
- Meeting venue: Meeting room no.101, level 1, Cao Son Coal Joint Stock Company - TKV, group 1, Cao Son 2 quarter, Cua Ong ward, Quang Ninh province
- Meeting agenda: discussion and approval of:
+ Meeting agenda
+ Working regulation of the meeting
+ Report on 2025 production & business results, 2026 plan
+ Report by the Board of Directors (BOD) on 2025 governance and supervision of the Management Board; 2026 task and directions
+ Report by the independent BOD member on 2025 activities, 2026 tasks, assessment by the independent member of BOD's activities
+ Approval of contracts, transactions in 2026 within the authority of the General meeting
+ 2025 audited financial statements
+ 2025 profit distribution, earnings reserved for fund establishment and usage, dividend payment; 2026 dividend payment plan
+ Report on payment of 2025 allowance, salary, bonus, benefits to the BOD, Supervisory Board (SB); 2026 proposal
+ Report by the SB on 2025 activities, Assessment report by the SB on 2025 management and administration of the BOD, the Management Board; appraisal of 2025 financial statements
+ Report on 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.
Cao Son Coal 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.