Day One Biopharmaceuticals Inc.

11/20/2024 | Press release | Distributed by Public on 11/20/2024 15:34

Management Change/Compensation Form 8 K

Item 5.02.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On November 20, 2024, Samuel Blackman, M.D., Ph.D, notified Day One Biopharmaceuticals, Inc. (the "Company") of his intention to retire from his position as Head of Research & Development of the Company effective at the end of 2024. Dr. Blackman is a co-founderof the Company and has served as the Company's Head of Research & Development since May 2023 and previously served as the Company's Chief Medical Officer from the Company's founding. Dr. Blackman will continue to serve as a strategic advisor and consultant while the Company seeks a new Head of Research & Development.

The Company extends its gratitude to Dr. Blackman for his years of service and contributions to the Company.