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
- Nationality: Vietnam
- Current position at Vicem Bim Son Packaging Joint Stock Company: None
2. Related person of the individual:
2.1. Related person 1
- Full name: Do Trong Tan
- Nationality: Vietnam
- 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 person 2
- Full name: Le Thi Thuy
- Nationality: Vietnam
- Current position at Vicem Bim Son Packaging Joint Stock Company: None
- Relationship with individual: Wife
- Number of shares currently held by the related party: 36,000 shares equivalent to 0.95%
3. Stock code: BPC
4. Trading account number: Not disclosed
5. Number and percentage of shares held before transaction: 295,200 shares, equivalent to 7.77%.
6. Number of shares purchased (causing the group's ownership ratio to change over the 1% threshold): 800 shares
7. Number and proportion of shares held after the transaction: 296,000 shares, equivalent to 7.79%.
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: Younger Brother (200,000 shares equivalent to 5.26%)
8.2. Related person 2: Wife (36,000 shares equivalent to 0.95%)
9. Number of shares and related persons holding after the transaction: 532,000 shares equivalent to 14.0%
10. Reason for change of ownership: To increase holding ratio.
11. Transaction date changing ownership ratio: January 13, 2025.