Kosy Joint Stock Company announces the change in related personnel of insiders as follows:

1. Insider:

-          Mrs. Pham Thi Thang

-          Current position: the authorized information disclosure staff.

2. Related person:

-          Mavico Invest Joint Stock Company

-          Address: Floor 3, CT1-CT2 Greenpark Duong Dinh Nghe street, Yen Hoa ward, Cau Giay district, Ha Noi city.

-          Tel:

-          E-mail:

-          ID number, Date of issue:

-          Relationship/Former relationship with insider:

-          Reason for relationship/no longer being related: Director

-          Shareholding (shares): 10,509,500

-          Effective date: October 21, 2022.