Biosino Bio-Technology and Science Incorporation announced that Mr. Lin Yanglin resigned as the president of the company and was appointed as a vice chairman of the Board with effect from 7 December 2021. Mr. Lin resigned as the president of the Company such that he could focus on making strategic decisions of the Group. Mr. Lin has confirmed that he has no disagreement with the Company or the Board and there is no further information in relation to his resignation as the president of the Company that needs to be brought to the attention of The Stock Exchange of Hong Kong Limited and/or the shareholders of the Company. Mr. LIN Yanglin aged 40, was appointed as a vice chairman of the Board on 7 December 2021 and an executive Director on 28 May 2021. Mr. Lin previously served as the president of the Company from 3 August 2020 to 7 December 2021. Mr. Lin obtained his bachelor's degree in Economics and his master's degree in Finance from the University of International Business and Economics in September 2000 and July 2006 respectively, where Mr. Lin served as the chairman of the postgraduates' student union. From July 2006 to October 2009, Mr. Lin worked at the Beijing branch of Hongkong Shanghai Banking Corporation. From October 2009 to September 2013, Mr. Lin worked at the Beijing branch of the Australia and New Zealand Banking Group Limited. Mr. Lin was the chief executive officer of Beijing Peking University Healthcare Industry Fund Management Co. Ltd. from October 2013 to January 2016. Mr. Lin has more than 15 years of experience in investment and corporate management.