[Announcement of The Reference Date for Determination of Entitled Shareholders for The 7th Annual Meeting of Shareholders]

Pursuant to Article 354, Paragraph 4 of the Commercial Code, the Company hereby announces that the reference date for determination of beneficial shareholders for holding the 7th Annual Meeting of Shareholders and the reference date for determination of right shareholders for cash dividends have been established.

- Below -

1. Date of determination of shareholders of record for holding the Annual Meeting of Shareholders: December 31, 2021

2. Determination date for cash dividend: December 31, 2021

December 15, 2021

SIMMTECH Co., Ltd.

CEO Si-don Choi