AnaptysBio, Inc. announced that on April 1, 2023, Laura J. Hamill advised the Board of Directors of the Company that she would resign as a Class II director of the Board, effective on April 1, 2023. Ms. Hamill's resignation is not the result of any disagreement with the Company on any matter relating to its operations, policies or practices. On April 3, 2023, the Board appointed Rita Jain, M.D. as a Class II director and as a member of the Compensation Committee, effective immediately.