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: 22/12/2026, tentatively
- Planned meeting venue: Vang Danh Coal Joint Stock Company
 - Meeting agenda:
+ Voting on the approval of the addition of business lines and amendments to the Company's Charter, specifically:

(i)     Addition of a business line: Business line code 4673; Business line: Wholesale of construction materials and other installation equipment
(ii)     Change of the Company's head office address to No. 969 Bach Dang Street, Uong Bi Ward, Quang Ninh City

+ Voting on the approval of the reversal of the portion of the allocation to the Development Investment Fund exceeding the prescribed percentage of after-tax profit , and the distribution of dividends to capital-contributing shareholders, in accordance with Document No. 7377/TKV-KSNB dated October 21, 2026.

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.
Vang Danh 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.