MBS: Notice of record date for bonus share issue and seasoned issue

1. Issuer: MB Securities Joint Stock Company
2. Stock code: MBS
3. Par value: VND10,000/share
4. Record date: 25/09/2025
5. Ex-date: 24/09/2025
6. Reasons:
 * Issue of bonus shares
+ Exercise rate: 100:03 (Shareholder receives 1 right for each share they own, shareholder owning 100 rights will receive 03 new shares)
+ Plan on handling fractional shares: The number of issued shares will be rounded down to the unit. The number of fractional shares arising from rounding down (if any) will be canceled by the Company. The par value of the fractional shares arising from rounding that are canceled will be retained in the Company's share premium.
* seasoned issue
+ Number of offered shares: 68,737,557 shares
+ Exercise rate: 100:12 (shareholders are entitled to buy 12 new shares for every 100 rights they own)
+ Issue price : VND10,000 per share
+ Plan on handling fractional shares: The number of issued shares will be rounded down to the unit. The number of fractional shares arising from rounding down (if any) will be canceled by the Company. The par value of the fractional shares arising from rounding that are canceled will be retained in the Company's share premium.
+ Time to receive purchase registration: From October 03, 2025 to October 23, 2025
+ Time for receiving payment of share purchase: From October 3, 2025 to October 23, 2025
+ Blocked account for receiving payment of share purchase:
- Account owner: MB Securities Joint Stock Company 
- Account number: 054596103
- Opened at: Vietnam International Commercial Joint Stock Bank 
+ Location for receiving registrations to buy shares:
- For deposited shareholders: Register to buy and pay for shares at the depository member where the shareholder opens an account.
- For undeposited shareholders: Register to buy and pay for shares at the Company's Headquarters: Area 1-Floor 7-8, MB Building, No. 21 Cat Linh, O Cho Dua Ward, Hanoi City.