X0306 4 2021-03-15 0 0001504008 BankUnited, Inc. BKU 0001699667 Bansal Rishi C/O BANKUNITED, INC. 14817 OAK LANE MIAMI LAKES FL 33016 0 1 0 0 Officer of Subsidiary Common Stock, par value $0.01 per share 2021-03-15 4 M 0 5990 49.92 A 20484 D Common Stock, par value $0.01 per share 2021-03-15 4 D 0 5990 49.92 D 14494 D Restricted Stock Unit 2021-03-15 4 M 0 5990 0.00 D Common Stock, par value $0.01 per share 5990 15536 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. 5,990 units vested on December 31, 2020, 5,990 units will vest on December 31, 2021, 5,990 units will vest on December 31, 2022, and 3,556 units will vest on December 31, 2023. The Reporting Person is the Chief Investment Officer of BankUnited, N.A., a wholly owned subsidiary of BankUnited, Inc. /s/ Susan Greenfield, Attorney-in-Fact 2021-03-16