I-Mab announced that Lan Kang has resigned as a director, effective April 1, 2024, due to personal reasons. The resignation of Ms. Kang as a director of the Company was not due to any disagreement with the Company. Each of Weimin Tang, Gigi Qi Feng, and Richard Cheng Li has resigned from their respective positions as Chief Business Officer, Chief Communications Officer, and Chief Legal Officer of the Company, effective March 31, 2024, to pursue other opportunities.

None of these resignations were due to any disagreement with the Company. The company has commenced a search for a new Chief Business Officer and Chief Legal Officer, respectively.