SBD: 13/11/2025, first trading date of additional shares on UPCoM

-       Name of the issuer: Sao Bac Dau Technologies Corporation
-       Stock code: SBD
-       Securities type: Common stock
-       Par value: VND10,000/share
-       Issue method: Employee Stock Ownership Plan (ESOP)
-       Total volume of additional registered shares: 401,800 shares
-       Total par value of additional registered shares: VND4,018,000,000
-       Total volume after additional trading registration: 13,916,480 shares
-       Total par value after additional trading registration: VND139,164,800,000
-       Official trading date of 401,800 restricted shares (ESOP): Thursday, November 13, 2025