SDD: Change in shareholding of principal shareholder (Do Nguyen Huu)

- Name of issuer: Song Da Investment and Construction Joint Stock Company
- Stock code: SDD
- Securities type: common stock
- Name of principal shareholder: Do Nguyen Huu
- Number of shares held by the principal shareholder before transaction: 1,366,500 shares (8.54%)
- Number of shares acquired: 106,300 shares
- Total holding following transaction and total percentage following transaction: 1,472,800 shares (9.2%)
- Date of transaction: 20/12/2022
- Purpose of transaction: Investment