X0306 4 2016-06-01 0 0000893949 MEDNAX, INC. MD 0001479017 Lopez-Blanco Vivian 1301 CONCORD TERRACE SUNRISE FL 33323 0 1 0 0 Chief Financial Officer Common Stock 2016-06-01 4 A 0 19121 0.00 A 84261.24 D Restricted shares granted pursuant to the Issuer's Amended and Restated 2008 Incentive Compensation Plan, as amended, in connection with annual equity award. The number of shares being reported represents the "target" number of restricted shares and does not include the right of the reporting person to receive up to 4,780 additional shares based on the achievement of certain performance-based criteria for the period from April 1, 2016 through March 31, 2017. The actual number of shares earned could be less than or greater than the target number, depending on the level of performance achieved, and all of the restricted shares granted are subject to forfeiture if minimum levels of performance are not met. Any restricted shares earned will not vest any earlier than in three equal installments on June 1, 2017, June 1, 2018 and June 1, 2019. Includes 1,057 restricted shares granted pursuant to the Issuer's Amended and Restated 2008 Incentive Compensation Plan, as amended, in connection with achievement in excess of target of specified performance-based criteria for the performance period from April 1, 2015 through March 31, 2016, which restricted shares were not previously reported. The additional restricted shares vest in three equal installments on June 1, 2016, June 1, 2017 and June 1, 2018, subject to continued employment. Dominic J. Andreano, Attorney-in-Fact 2016-06-03