X0306 4 2021-05-25 0 0001504008 BankUnited, Inc. BKU 0001586848 Blanca Tere C/O BANKUNITED, INC. 14817 OAK LANE MIAMI LAKES FL 33016 1 0 0 0 Common Stock, par value $0.01 per share 2021-05-25 4 A 0 1514 0.00 A 14563 D Reflects 1,514 restricted shares issued pursuant to the terms of the BankUnited, Inc. 2014 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 25, 2021, and will vest in full on the earlier of the first anniversary of the date of grant or the date of the issuer's next annual meeting of stockholders, subject to the reporting person's continued service as a director through the vesting date. /s/ Susan Greenfield, as Attorney-in-Fact 2021-05-26