On March 10, 2022, the Hochiminh Stock Exchange issued Announcement No.470/TB-SGDHCM about the record date of Tien Son Thanh Hoa Joint Stock Company (stock code: AAT) as follows:

-        Listed firm: Tien Son Thanh Hoa Joint Stock Company

-        Stock code: AAT

-        Stock type: common stock

-        Par value: VND10,000/share

-        Ex-right date: March 25, 2022

-        Record date: March 28, 2022

-        Purpose: to convene the 2022 Annual General Meeting of Shareholders.

-        Exercise ratio: 01 share – 01 voting right

-        Meeting date: estimated on April 28, 2022

-        Meeting venue: Tien Son Thanh Hoa Joint Stock Company.  No.9, Bac Son Bim Son Industrial Park, Bac Son ward, Bim Son town, Thanh Hoa province.