Viet Nam Securities Depository and Clearing Corporation (VSDC) - Hochiminh Branch 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
- Execution Time: 
+ Date of sending the voting ballot to shareholders: 21/11/2025 tentatively 
+ Deadline for shareholders to return the voting ballot: by 17:00 on 08/12/2025 tentatively (calculated according to the postmark)
- Execution Venue: Bien Hoa Building Materials Production And Construction Joint Stock Company, No. K4/79C - Nguyen Tri Phuong Street - Ward 3 - Bien Hoa Ward - Dong Nai Province
- Contents: Issues within the authority of the General Meeting according to the provisions of prevailing laws and the Company's Charter.
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.