X0306 4 2019-03-22 1 0001139812 MB FINANCIAL INC /MD MBFI 0001161660 MAY KAREN J C/O MB FINANCIAL, INC. 6111 NORTH RIVER ROAD ROSEMONT IL 60018 1 Common Stock 2019-03-22 4 D 0 8316 0 D 0 D Common Stock 2019-03-22 4 D 0 28507 0 D 0 I By Deferred Comp Plan Stock Option (Right to Buy) 27.68 2019-03-22 4 D 0 1528 0 D 2014-09-30 2019-09-30 Common Stock 1528 0 D Stock Option (Right to Buy) 32.86 2019-03-22 4 D 0 1007 0 D 2014-12-31 2019-12-31 Common Stock 1007 0 D Stock Option (Right to Buy) 31.31 2019-03-22 4 D 0 910 0 D 2015-03-31 2020-03-31 Common Stock 910 0 D Stock Option (Right to Buy) 34.44 2019-03-22 4 D 0 1263 0 D 2015-06-30 2020-06-30 Common Stock 1263 0 D Stock Option (Right to Buy) 32.64 2019-03-22 4 D 0 1234 0 D 2015-09-30 2020-09-30 Common Stock 1234 0 D Stock Option (Right to Buy) 32.37 2019-03-22 4 D 0 1372 0 D 2015-12-31 2020-12-31 Common Stock 1372 0 D Stock Option (Right to Buy) 32.45 2019-03-22 4 D 0 1151 0 D 2016-03-31 2021-03-31 Common Stock 1151 0 D Stock Option (Right to Buy) 36.28 2019-03-22 4 D 0 946 0 D 2016-06-30 2021-06-30 Common Stock 946 0 D Stock Option (Right to Buy) 38.04 2019-03-22 4 D 0 1810 0 D 2016-09-30 2021-09-30 Common Stock 1810 0 D Stock Option (Right to Buy) 47.23 2019-03-22 4 D 0 768 0 D 2016-12-30 2021-12-30 Common Stock 768 0 D Disposed of upon completion of the merger (the "Merger") of a wholly owned subsidiary of Fifth Third Bancorp ("Fifth Third") with and into the Issuer, effective March 22, 2019. Pursuant to the Agreement and Plan of Merger, dated as of May 20, 2018, between the Issuer and Fifth Third (the "Merger Agreement"), upon completion of the Merger, each outstanding share of the Issuer's common stock converted into the right to receive 1.45 shares of Fifth Third common stock and $5.54 in cash. The closing price per share of Fifth Third common stock on March 21, 2019, the last trading day prior to completion of the Merger, was $25.48. Represents approximate equivalent number of shares of the Issuer's common stock held in the reporting person's account under the Issuer's Stock Deferred Compensation Plan, based on the most recent plan account statement. The approximate equivalent number of shares is equal to the dollar value of the reporting person's plan account divided by the closing price of the Issuer's common stock. As a result, the equivalent number of shares fluctuated with changes in the market price of the Issuer's common stock. Option to purchase shares of common stock granted to the reporting person under Issuer's Amended and Restated Omnibus Incentive Plan. The option is 100% vested. This option was assumed by Fifth Third upon completion of the Merger and converted into an option to purchase Fifth Third common stock as provided under the terms of the Merger Agreement. /s/ Doria L. Koros, attorney-in-fact for Ms. May 2019-03-26