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: 1,112,100 shares (6.95%)
- Number of shares acquired: 13,200 shares
- Total holding following transaction and total percentage following transaction: 1,125,300 shares (7.03%)
- Date of transaction: 14/11/2022
- Purpose of transaction: Investment