The board of directors of Lee & Man Chemical Company Limited announces that Professor Chan Albert Sun Chi ("Professor Chan") has been redesignated from an executive director of the Company to a non-executive director of the Company with effect from 8 March 2024 to allow him to devote more time to his family and his academic studies. The biographical details of Professor Chan are set out as follows: Professor Chan, aged 73, joined the Group as a Chief Strategist on 1 July 2015 and was appointed as an executive director of the Company with effect from 9 May 2016. He was responsible for the planning of the Group's overall business and long term strategies, formulating new product development directions, leading the Group's research and development team for enhancement of scientific research technology, commercializing its research results and introducing new products into the market.

Following his re-designation as a non-executive director of the Company, Professor Chan also ceased to hold other positions in the Group including his role as the Chief Strategist of the Group, while he will remain on the Board to continue providing valuable advice to the Group. Professor Chan is a world-renowned organic chemist, Member of the Chinese Academy of Sciences and President Emeritus of Hong Kong Baptist University. Professor Chan received his bachelor degree from International Christian University in Japan in 1975 and his MSc and PhD degrees from the University of Chicago respectively in 1976 and 1979.

Upon graduation from the University of Chicago, he started an industrial career at the Monsanto Corporate Research Laboratories where he had worked for 13 years, rising through the ranks of Senior Research Chemist, Research Specialist, Senior Research Specialist and finally Monsanto Fellow. Since joining the Hong Kong Polytechnic University in 1994, Professor Chan had served as Chair Professor and Head of the Department of Applied Biology and Chemical Technology, Dean of the Faculty of Applied Science and Textiles, and Vice President (Research Development). He was the 4th President and Vice-Chancellor of Hong Kong Baptist University in 2010-2015.

Professor Chan's research areas include the application of chiral catalysts in asymmetric syntheses and their industrial applications, development of pharmaceutical products and related processes, pharmaceutical and nutritional products based on Chinese medicines, new organic chemical processes and their industrial applications, research and industrial applications of green sciences, novel material discovery and development, etc. Elected as Member of the Chinese Academy of Sciences in 2001, Professor Chan has received numerous prestigious awards including State Natural Science Award of China (second class), Lectureship Award by The Society of Synthetic Organic Chemistry, Japan and Invitation Fellowship of Japan Society for the Promotion of Science.