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: late 03/2026 or early 04/2026 (tentatively)
- Meeting venue: meeting hall of Viglacera Dong Trieu Joint Stock Company, Xuan Cam area, Mao Khe ward, Quang Ninh Province
- Meeting agenda: to be announced in the invitation letters, posted on the Company's website and mass media as stipulated by prevailing laws.
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.
Viglacera Dong Trieu 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.