DHC: Postal ballot;1st Advance Payment of 2025 Cash Dividend

1. Postal ballot
- Execution rate: 1 share - 1 voting right
- Execution time:
+ Time of sending ballots: 06/11/2025 tentatively
+ Time of receiving ballots: from 06/11/2025 to 3 pm, 19/11/2025 tentatively
+ Time of summarizing opinions: 20/11/2025 tentatively
- Execution time: Dong Hai Joint Stock Company Of Ben Tre, Lot AIII, Giao Long Industrial zone, Giao Long commune, Vinh Long province
- Contents:
+ Adjustment of 2025 revenue and after-tax profit plan
+ Adjustment of 2025 dividend payment plan
+ Addition to current business lines
+ Revision of the Charter regarding to business lines
+ Other issues within the authority
2. 1st Advance Payment of 2025 Cash Dividend
- Payment rate: 10%/share (1,000 VND per share) 
- Payment time: 28/11/2025
- Payment place:
+ The holders whose shares have been deposited will receive dividend at the depository member where they opened depository account.
+ The holders whose shares have not been deposited will receive dividend at Company's head office, Lot AIII, Giao Long industrial zone, Giao Long commune, Vinh Long province on working days from 28/11/2025. ID cards/Letter of introduction (for institutions) have to be presented.
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