X0206 3 2015-05-07 0 0000893949 MEDNAX, INC. MD 0001641573 Barker Karey D 1301 CONCORD TERRACE SUNRISE FL 33323 1 0 0 0 Common Stock 2844 D Restricted shares granted pursuant to Issuer's Amended and Restated 2008 Incentive Compensation Plan, as amended, in connection with initial appointment to Issuer's Board of Directors. Shares will vest in three equal installments on May 7, 2016, May 7, 2017 and May 7, 2018. Dominic J. Andreano, Attorney-in-Fact 2015-05-08