On February 25, 2020, the Hochiminh Stock Exchange issued Announcement No.215/TB-SGDHCM about the record date of Petrovietnam Drilling & Well Service Corporation as follows:

-   Ex-right date: March 17, 2020

-   Record date: March 18, 2020

1. Reason & purpose: to hold the 2020 Annual General Meeting of Shareholders.
2. Content:

-   Exercise ratio: 01 share – 01 voting right

-   Meeting time:  expected from April 10, 2020 to April 29, 2020

-   Meeting venue: Rex Hotel, 141 Nguyen Hue, district 1, Hochiminh.