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:

+ Right code: MIRNHA251
+ ISIN code: VNMIRNHA2510
(Effective date of code allocation: 10/12/2025; effective date of code cancellation: 08/01/2026)       
+ Planned quantity of issued shares: 16,197,324 shares
+ Issue price: 10,000 VND/share
+ Execution rate: 3:1 (01 share is entitled to 01  right, 03 rights will be entitled to buy 1 new share)
- Principle of rounding, handling fractional shares and unsubscribed shares (if any):
+Principle of rounding: the number of shares that shareholders can purchase will be rounded down to the whole number. The arising fractional shares (if any) will be compiled and handled by the Board of Directors according to the "Principle for handling undistributed shares".
+ Principle for handling undistributed shares:
In case shareholders do not exercise their right to purchase, or do not make payment there are undistributed shares for any reason, the Board of Directors has the right to decide on the plan to distribute or re-offer these shares to other individuals and institutions according to the following principles:
·     Offering price is not lower than VND 10,000/share;
·     Offering conditions, conditions on rights and obligations of other investors are not more favorable than the offering conditions for existing shareholders;
·     Complying with all relevant legal regulations.
In case the distribution period (including the extension period, if any) expires and there are still unsold shares, the Board of Directors will decide to cancel the remaining shares and end the offering. The Company will increase its charter capital according to the actual results of the offering.
The amount of shares handled under the "Undistributed Shares Handling Plan" will be restricted from transfer for 01 (one) year from the date of completion of the offering.
- For example: On the record date, shareholder A owns 1,234 shares. With the  ratio of 3:1, shareholder A has 1,234 purchase rights, corresponding to 411.33 new shares. Applying the rounding principle, shareholder A can purchase 411 shares; the 0.33 fractional shares arising will be compiled and processed by the Board of Directors according to regulations.
- Regulations on rights transfer:
+ Time for transfer of right issue: From 10/12/2025 to 30/12/2025
+  Right issue can be transferred once. the transferee cannot continue to transfer purchase rights to a third party. The transferor and transferee are responsible for agreeing on the price, payment method and fully performing the obligations under prevailing laws related to this transfer transaction.
- Regulations on subscribed securities:
+ Time for subscription and payment: From 10/12/2025 to 05/01/2026.
+ Subscribed securities are freely transferable.
- Place for implementation:
+ The holders whose shares have been deposited have to make transfer of purchase right, subscription and payment at the depository member where they opened depository account.
+ The holders whose shares have not been deposited will make right transfer, subscription and payment at Ha Noi South Housing and Urban Development Corporation - Cau Giat Industrial Park, Duy Tien Ward, Ninh Binh Province, Vietnam.
- Information on blockade account for subscription:
+ Account holder: Ha Noi South Housing and Urban Development Corporation
+ Account number: 2213018999
+ Account opening place: Vietcombank- Hanam Branch.
- Information on VSDC's account for cash transferring:
+ Account name: Viet Nam Securities Depository and Clearing Corporation
+ Account number: 1220173177
+ At the bank: Bank for Investment and Development of Vietnam – Ha  Thanh Branch.
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