Zheng Wang has resigned as the chief executive officer of Molecular Data Inc., effective May 14, 2021. Mr. Wang’s resignation was not as the result of any disagreement with the company. On May 14, 2021, the nominating committee of the board of directors appointed Steven Foo to serve as the company’s chief executive officer. Mr. Foo currently serves as the company’s chief financial officer and will continue to serve is this capacity following the appointment.