The board of directors of Asymchem Laboratories (Tianjin) Co., Ltd. announce that on January 19, 2022, the Board resolved to appoint Ms. Yang Rui who is currently an executive director and a deputy general manager of the Company, as the co-chief executive officer of the Company with the term commencing from January 19, 2022 and ending on the expiry date of the term of the fourth session of the Board. Ms. Yang Rui was appointed as a director and a deputy general manager of the Company in July 2011 and an executive director with effect from May 2021. In order to optimize the Company's management structure, the Board announced the change of titles of the current senior management officers of the Company as follow, and their responsibilities remain unchanged: Dr. Hao Hong, the current general manager of the Company, as the chief executive officer of the Company.