TTH: Change in shareholding of principal shareholder (Nguyen Trinh Chung)

- Name of issuer: Tien Thanh Service and Trading Joint Stock Company
- Stock code: TTH
- Securities type: common stock
- Name of principal shareholder: Nguyen Trinh Chung
- Number of shares held by the principal shareholder before transaction: 2,598,600 shares (6.95%)
- Number of shares disposed: 400,000 shares
- Total holding following transaction and total percentage following transaction: 2,198,600 shares (5.88%)
- Purpose of transaction: Share sale
- Date of transaction: 28/07/2025