STH: Notice of transaction of connected institution (Thai Hung Trading Joint-Stock Company)

- Name of issuer: Thai Nguyen Book Publishing Joint Stock Company
- Stock code: STH
- Securities type: Common stock
- Name of connected institution: Thai Hung Trading Joint-Stock Company
- Name of person discharging managerial responsibility (PDMR)/Director: Nguyen Thi Quy
- Position in the listed company: Member of Board of Directors, General Manager
- Position in the trading institution: Member of Board of Directors
- Number of shares held by person discharging managerial responsibility (PDMR)/Director: 0 shares (0%)
- Number of shares held by connected person/institution before transaction: 10,175,740 shares (52.18%)
- Number of shares to be acquired: 25,000 shares
- Nature of transaction: Order matching & negotiation
- Purpose of transaction: Portfolio structure
- Expected Start date of transaction: 23/06/2025
- Expected End date of transaction: 22/07/2025