[Announcement of The Reference Date for Determination of Entitled Shareholders for The 9th 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 9th 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, 2023

2. Determination date for cash dividend: December 31, 2023

December 14, 2023

SIMMTECH Co., Ltd.

CEO Si-don Choi , Young-goo Kim