The board of directors of MicroPort CardioFlow Medtech Corporation announced that Mr. Wu Guojia ("Mr. Wu") has resigned as an executive Director and the Vice President (sales and marketing) of the Company with effect from April 30, 2022 due to personal career development reasons. Mr. Zhao Liang, the First Vice President of Total Solutions of Company, has been overseeing, since he joined Group in October 2021, and will continue to be responsible for the sales and marketing of products with the support from stable and experienced commercialization team. The Board believes that the resignation of Mr. Wu will not have any material adverse impact on operations.