Marc G. Naughton, Executive Vice President departed from Cerner, effective March 31, 2021. Mr. Naughton is expected to continue to serve in his current roles during the search for his successor and transition of his responsibilities. Mr. Naughton's departure is not the result of any dispute or disagreement with Cerner, its Board of Directors (the "Board"), or its management, or any matter relating to Cerner's operations, policies or practices.