CC1: Notice of transaction of connected person (Tran Thi Quynh Nhu)

- Name of issuer: Construction Corporation No.1 Joint Stock Company
- Stock code: CC1
- Securities type: Common stock
- Name of connected person: Tran Thi Quynh Nhu
- Name of Director: Nguyen Van Ngoc
- Position in the listed company: Director
- Number of shares held by Director: 0 shares (0%)
- Relation between connected person and Director: Wife
- Number of shares held by connected person before transaction: 5,528,927 shares (1.54%)
- Number of shares to be disposed: 4,917,000 shares
- Nature of transaction: Order matching & Put-through
- Purpose of transaction: Portfolio restructuring
- Expected Start date of transaction: 09/06/2025
- Expected End date of transaction: 08/07/2025