Pursuant to Article 354 of the Korean Commercial Code and Article 15 of the Company’s Articles of Incorporation, please be informed that any alterations in the shareholders' register will be suspended, including title transfer of stocks, alterations, registration or cancellation of pledge identification of trust property or its cancellaton of stocks will be suspended for the purpose of convening the 6th Annual Meeting of Shareholders.

1. Standard date for Shareholder registry suspension: December 31, 2020

2. Shareholder registry suspension periods: January 1, 2021 to January 31, 2021

December 16, 2020

SIMMTECH Co., Ltd.

CEO Si-don Choi