X0508 4 2024-07-22 0001504008 BankUnited, Inc. BKU 0001782227 Richards Jay D. C/O BANKUNITED, INC. MIAMI LAKES FL 33016 1 Officer of Subsidiary 0 Common Stock, par value $0.01 per share 2024-07-22 4 S 0 10143 36.6058 D 37187 D Reflects the sale of 10,143 shares of common stock by the reporting person under Rule 144 promulgated under the Securities Act of 1933, as amended. This price represents the weighted average sale price of trades transacted at a multitude of prices ranging from $36.52 to $36.69. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the shares sold at each separate price. The Reporting Person is the Chief Risk Officer of BankUnited, N.A., a wholly owned subsidiary of BankUnited, Inc. /s/ Jacqueline Bravo, as Attorney-in-Fact 2024-07-23