BPC: Report on change of ownership of shareholder group - Do Trong Tuan

1. Information about the individual making the transaction:
- Full name: Do Trong Tuan
- Current position at Vicem Bim Son Packaging Joint Stock Company: None
2. Related person of the individual:
2.1. Related persons 1:
- Full name: Do Trong Tan
- Current position at Vicem Bim Son Packaging Joint Stock Company: None.
- Relationship with individual: Younger brother.
- Number of shares held by related person: 200,000 shares equivalent to 5.26%.
2.2. Related persons 2:
- Full name: Le Thi Thuy
- Current position at Vicem Bim Son Packaging Joint Stock Company: None.
- Relationship with individual: Wife
- Number of shares held by related parties: 36,000 shares equivalent to 0.95%.
3. Stock code: BPC
4. Trading account number: Bao Viet Securities Joint Stock Company
5. Number and proportion of shares held before the transaction: 300,200 shares, equivalent to 7.9%.
6. Number of shares purchased (making the ownership ratio change over the 1% threshold): 28,000 shares
7. Number and proportion of shares held after the transaction: 328,200 shares, equivalent to 8.64%.
8. Number and proportion of shares currently held by related persons: Number of 236,000 shares equivalent to 6.21%, of which:
8.1. Related person 1: 200,000 shares equivalent to 5.26%.
8.2. Related person 1: 36,000 shares equivalent to 0.95%.
9. Number of shares and related persons holding after the transaction: 564,200 shares equivalent to 14.85%.
10. Reason for change of ownership: Increase holding ratio
11. Transaction date changing ownership ratio: March 7, 2025.