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

- Name of issuer: SONADEZI ENVIRONMENT JOINT STOCK COMPANY
- Stock code: SZE
- Securities type: common stock
- Name of principal shareholder: Nguyen Duy Hung
- Number of shares held by the principal shareholder before transaction: 1,781,100 shares (5.94%)
- Number of shares acquired: 46,600 shares
- Total holding following transaction and total percentage following transaction: 1,827,700 shares (6.09%)
- Purpose of transaction: Investment
- Date of transaction: 04/12/2025