KCB: Change in shareholding of principal shareholder (Dinh Huy Chien)

- Name of issuer: Cao Bang Mineral And Metallurgical Joint Stock Company
- Stock code: KCB
- Securities type: common stock
- Name of principal shareholder: Dinh Huy Chien
- Number of shares held by the principal shareholder before transaction: 1,110,257 shares (13.88%)
- Number of shares disposed: 70,600 shares
- Total holding following transaction and total percentage following transaction: 1,039,657 shares (13%)
- Purpose of transaction: Personal financial needs
- Date of transaction: 30/06/2025.