On April 07, 2022, the Hochiminh Stock Exchange issued Announcement No.710/TB-SGDHCM about the record date of Do Thanh Technology Corporation as follows:

-   Ex-right date: April 26, 2022

-   Record date: April 27, 2022

1. Reason & purpose: to hold the 2022 Annual General Meeting of Shareholders.
2. Content:

-   Exercise ratio: 01 share – 01 voting right

-   Meeting time (estimated): from May 25, 2022 to June 25, 2022

-   Meeting venue (estimated): Street 125, hamlet 12, Tan Thanh Dong Commune, Cu Chi District, Ho Chi Minh.