X0306 4 2020-07-12 0 0000893949 MEDNAX, INC. MD 0001301446 SANSONE GUY P 1301 CONCORD TERRACE SUNRISE FL 33323 1 0 0 0 Common Stock 2020-07-12 4 A 0 11331 0.00 A 25631 D Restricted shares granted pursuant to Issuer's Amended and Restated 2008 Incentive Compensation Plan in connection with the Reporting Person's initial appointment to the Issuer's Board of Directors. Shares will vest in three equal installments on July 12, 2021, July 12, 2022 and July 12, 2023. /s/ Dominic J. Andreano, as Attorney-in-Fact 2020-07-14