On March 15, 2023, the Hochiminh Stock Exchange issued Announcement No.533/TB-SGDHCM about the record date of Water Supply Sewerage Construction and Investment Joint Stock Company as follows:

-   Ex-right date: March 31, 2023

-   Record date: April 03, 2023

1)      Reason & purpose: to hold the Annual General Meeting of Shareholders 2023.

2)      Content:

-   Exercise ratio: 01 share – 01 voting right

-   Time: April 27, 2023

-   Venue: WASECO building, 10 Pho Quang, ward 2, Tan Binh district, Ho Chi Minh city.