Chen Chaohong signed the Share Transfer Agreement to acquire 5% stake in Medicalsystem Biotechnology Co., Ltd. (SZSE:300439) from Zou Bingde for approximately CNY 180 million on December 23, 2022. Under the terms of transaction, Zou Bingde proposed to transfer the 19,149,991 company shares directly held by him (accounting for 5% of the company's current total share capital) to Chen Chaohong by agreement. The price of this share transfer is CNY 9.35 per share. Currently Zou Bingde will holds 33.43% stake and post completion, Zou Bingde will hold 28.43% stake. Both parties agree that within 45 working days from the date of signing the share transfer agreement, will pay 15% of the share transfer price; Within 6 months from the completion of the transfer, shall pay the remaining share transfer price.

Chen Chaohong completed the acquisition of a 5% stake in Medicalsystem Biotechnology Co., Ltd. (SZSE:300439) from Zou Bingde on March 2, 2023.