LHC: Report on investors owning 5% or more of shares

- Name of issuer : Lam Dong investment hydraulic construction JSC
- Stock code: LHC
- Detailed information on securities transactions by related investors within the group, leading to the ownership ratio of the investor group holding 5% or more of the shares exceeding the one percent threshold (1%):

No.	Name of related investor executing the transaction	Securities trading account	Securities depository account	Before the transaction - Number of shares owned	Before the transaction - Ownership ratio	After the transaction - Number of shares owned	After the transaction - Ownership ratio	Number of shares traded (Bought)
1	Bui Huu Vu Hoang			216,000	1.50%	313,800	2.18%	97,800
2	Bui Huu Quynh			803,400	5.85%	803,400	5.85%	–
3	Phuoc Hoa JSC			760,800	5.28%	760,800	5.28%	–

Total number of shares held by the group of investors holding 5% or more of the shares:
Before the transaction: 1,780,200 shares (12.36%)
After the transaction: 1,878,000 shares (13.04%)
Total number of shares traded (bought): 97,800
- The trading date (or swap date) that changed the ownership percentage and became investor owning 5%: 26/06/2025