ONW: Nguyen Thi Ngoc Mai is no longer principal shareholder

Nguyen Thi Ngoc Mai is no longer a principal shareholder of One World Services Joint Stock Company with information as follows:
- Name of stock held: ONW
- Number of shares held by principal shareholder before transaction: 436,200 shares (7.93%)
- Number of shares disposed: 436,200 shares
- Total holding following transaction and total percentage holding following transaction: 0 shares (0%)
- Date of transaction: 19/05/2026