On March 29, 2023, Rangdong Light Source and Vacuum Flask Joint Stock Company approved the following contents:

1)      To hold the 2023 Annual General Meeting of Shareholders:

-          Estimated time: May 13, 2023

-          Record date: April 18, 2023

-          Venue: Notice later.

2)      To pay the second dividend for 2022:

-          Exercise ratio: 25%/par value (2,500 VND/share)

-          Record date: April 18, 2023

-          Payment date: April 26, 2023.