On February 22, 2023, the Hochiminh Stock Exchange issued an Announcement No.205/TB-SGDHCM about the record date of Materials Petroleum Joint Stock Company as follows:

-        Ex-right date: March 13, 2023

-        Record date: March 14, 2023

1. Reason and purpose:  to hold the 2023 Annual General Meeting of Shareholders
2. Content:

-        Exercise ratio: 01 share – 01 voting right

-        Meeting time: April 14, 2023

-        Meeting type: Floor 10, COMECO building, 549 Dien Bien Phu, ward 3, district 3, Ho Chi Minh city.