SED: Change in shareholding of principal shareholder (CMC Investment JSC)

- Name of issuer: Phuong Nam Education Investment and Development JSC
- Stock code: SED
- Securities type: common stock
- Name of principal shareholder: CMC Investment JSC
- Name of related person: Ngo Trong Vinh
- Number of shares held by the principal shareholder before transaction: 291,600 shares (3.15%)
- Number of shares disposed: 8,400 shares
- Total holding following transaction and total percentage following transaction: 283,200 shares (3.05%)
- Number, ownership proportion of shares/ fund certificates currently held by the related person:271,800 shares (2.93%)
- Number, ownership proportion of shares/ fund certificates held by individual/ organization investor together with related persons/institution after the transactions:555,000 shares (5.99%)
- Purpose of transaction: Personal
- Date of transaction: 15/10/2025