BankUnited : Q4 2020 Earnings Supplemental Information

BankUnited, Inc.

Q4 2020 - Supplemental Information

January 21, 2021

Forward-Looking Statements

This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 that reflect the current views of BankUnited, Inc. ("BankUnited," "BKU" or the "Company") with respect to, among other things, future events and financial performance. The Company generally

identifies forward-looking statements by terminology such as "outlook," "believes," "expects," "potential," "continues," "may," "will," "could," "should," "seeks," "approximately," "predicts," "intends," "plans," "estimates," "anticipates," "forecasts" or the negative version of those words or other comparable words. Any forward-looking statements contained in this presentation are based on the historical performance of the Company and its subsidiaries or on the Company's current plans, estimates and expectations. The inclusion of

this forward-looking information should not be regarded as a representation by the Company that the future plans, estimates or expectations contemplated by the Company will be achieved. Such forward-looking statements are subject to various risks and uncertainties and assumptions, including (without limitations) those relating to the Company's operations, financial results, financial condition, business prospects, growth strategy and liquidity, including as impacted by the COVID-19 pandemic. If one or more of these or other risks or uncertainties materialize, or if the Company's underlying assumptions prove to be incorrect, the Company's actual results may vary materially from those indicated in these statements. These factors should not be construed as exhaustive. The Company does not undertake any obligation to publicly update or review any forward-looking statement, whether as a result of new information, future developments or otherwise. A number of important factors could cause actual results to differ materially from those indicated by the forward- looking statements. Information on these factors can be found in the Company's Annual Report on Form 10-K for the year ended December 31, 2019 and any subsequent Quarterly Report on Form 10-Q or Current Report on Form 8-K, which are available at the SEC's website (www.sec.gov).

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Financial Highlights

Strong Quarterly Results in a Challenging Environment

Operating results

• EPS for the quarter of $0.89
• Annualized ROE for the quarter of 11.6% and ROA of 0.96%
• Net interest income grew by $6 million linked quarter and $8 million compared to Q4 2019
• NIM of 2.33% compared to 2.32% linked quarter
• Lower provision for credit losses reflecting an improving economic forecast

Continued improvement in deposit mix

• Average non-interest DDA up $966 million linked quarter and $2.9 billion compared to Q4 2019
• Non-interestDDA grew by $219 million for the quarter to 25% of total deposits from 18% a year ago
• Average total cost of deposits continued to decline, to 0.43% for the quarter, lowest in the Company's history
• "Spot" APY on total deposits was 0.36% at December 31, 2020

Loan deferrals and modifications

• Loans on deferral totaled $207 million or less than 1% of total loans at December 31, 2020
• • Commercial: $63 million or less than 1% of commercial loans
  • Residential: $144 million or 2% of residential loans
• CARES Act modifications totaled $587 at December 31, 2020
• • Commercial: $575 million or 3% of commercial loans
  • Residential: $12 million or less than 1% of residential loans

Robust capital levels

• CET1 ratios of 12.6% at the holding company and 13.9% at the bank at December 31, 2020
• Book value per share grew to $32.05 and tangible book value grew to $31.22 at December 31, 2020
• Reinstated our share repurchase program with authorization to repurchase approximately $44.9

million in shares of common stock

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