CC1: Change in number of outstanding shares

On 23/10/2025, Construction Corporation No.1 Joint Stock Company announced the change in number of outstanding shares as follows:

No	Indicator	Before the change	Change	After the change	Reason for the change
1	Charter capital (VND)	3,979,061,000,000	0	3,979,061,000,000	selling treasury stock
2	Total shares	397,906,100	0	397,906,100
3	Treasury shares	337,800	-337,800	0
4	Number of outstanding voting shares	397,568,300	337,800	397,906,100