Filip Dubovsky notified Novavax, Inc. (the ?Company?) of his decision to retire as President, Research and Development, effective as of June 30, 2024. Dr. Dubovsky will continue to provide consulting services to the Company following his retirement, as further described below. The post-termination period applicable to Dr. Dubovsky?s current non-competition and non-solicitation covenants will commence upon his retirement with the Company.