BTD: Change in shareholding of principal shareholder (Nguyen Duy Hung)

- Name of issuer: Thuduc Centrifugal Concrete Joint Stock Company
- Stock code: BTD
- Securities type: common stock
- Name of principal shareholder: Nguyen Duy Hung
- Number of shares held by the principal shareholder before transaction: 576,910 shares (9%)
- Number of shares acquired: 3,700 shares
- Total holding following transaction and total percentage following transaction: 580,610 shares (9.05%)
- Purpose of transaction: Investment
- Date of transaction: 03/11/2023.