DSD: 20/04/2026, first trading date of additional shares on UPCoM

-       Name of the issuer: DHC Suoi Doi Corporation
-       Stock code: DSD
-       Securities type: common stock
-       Par value: VND 10,000/share
-       Issue method: private placement
-       Total volume of additional registered shares: 5,500,000 shares
-       Total par value of additional registered shares:  VND 55,000,000,000
-       Total volume after additional trading registration: 36,600,000 shares
-       Total par value after additional trading registration: VND 366,000,000,000
-       First trading date of 5,500,000 restricted transferable shares: Monday, 20/4/2026.