X0306 4 2020-03-31 0 0001504008 BankUnited, Inc. BKU 0001634049 Cornish Thomas M. C/O BANKUNITED, INC. 14817 OAK LANE MIAMI LAKES FL 33016 0 1 0 0 Chief Operating Officer Restricted Stock Unit 2020-03-31 4 A 0 24125 0.00 A Common Stock, par value $0.01 per share 24125 24125 D Each restricted stock unit represents the right to receive, at settlement, one share of common stock or cash in an amount equal to the fair market value of one share of common stock. Issued pursuant to the terms of the BankUnited, Inc. 2014 Omnibus Equity Incentive Plan. 6,032 units will vest on December 31, 2020, 6,031 units will vest on December 31, 2021, 6,031 units will vest on December 31, 2022, and 6,031 units will vest on December 31, 2023. /s/ Susan Greenfield, Attorney-in-Fact 2020-04-01