L18: Notice of record date for Bonus share issue to outstanding shareholders

1. Issuer: Investment and Construction JSC No.18
2. Stock code: L18
3. Par value: VND10,000/share
4. Record date: 16/06/2026
5. Ex-date: 15/06/2026
6. Reason:
     * Bonus share issue to outstanding shareholders:
          - Exercise rate: 100:25 (Shareholders owning 100 shares will receive 25 new shares)
          - Rounding and fractional share handling plan: The number of additional shares issued to increase share capital from owner's equity allocated to shareholders will be rounded down to the nearest whole share. Any fractional shares arising from rounding down (if any) will be cancelled.
Example of rounding and fractional share handling: On the record date to finalize the shareholder list for the additional share issuance to increase share capital from owner's equity, shareholder Nguyen Van A owns 185 shares. Accordingly, shareholder A is entitled to receive an additional 185*25/100 = 46.25 shares. Under the fractional share handling plan, the number of shares shareholder A will receive after rounding down to the nearest whole share is 46 shares, and the 0.25 fractional share will be cancelled.
           - Exercise place:
               + For undeposited shares: Investment and Construction JSC No.18 (Address: 471 Nguyen Trai Street, Thanh Liet Ward, Hanoi City, Vietnam) on working days. Identification Card (original copy) are required. 
               + For deposited shares: securities companies where shares of shareholders have been deposited