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Mr. Andy (Yiu Leung) Cheung has served as our independent director since February 2021. Mr. Cheung has many years of auditing and accounting professional experience. Mr. Cheung was deputy area managing partner of Ernst & Young (“EY”) in Asia Pacific overseeing the business operations, finance, information technology and risk management functions from July 2018 to June 2020. Mr. Cheung was the assurance leader for EY in Greater China from July 2013 to June 2018. Mr. Cheung has served as an independent non-executive director of JW (Cayman) Therapeutics Co. Ltd (HKEX:2126) since October 2020. Mr. Cheung received his bachelor’s degree in accounting and finance from the University of Lancaster in the United Kingdom in June 1982. He obtained a master’s degree in accounting and finance from London School of Economics in the United Kingdom in August 1983. Mr. Cheung is a member of Hong Kong Institute of Certified Public Accountants.