X0306 4 2018-12-21 0001139812 MB FINANCIAL INC /MD MBFI 0001374089 Wildman Brian J C/O MB FINANCIAL, INC. 6111 NORTH RIVER ROAD ROSEMONT IL 60018 1 Exec. Officer of Subsidiary Common Stock 2018-12-21 4 M 0 1065 37.98 A 21936 D Common Stock 2018-12-21 4 M 0 768 37.98 A 22704 D Common Stock 2018-12-21 4 M 0 427 37.98 A 23131 D Common Stock 2018-12-21 4 M 0 878 37.98 A 24009 D Common Stock 2018-12-21 4 F 0 1401 37.98 D 22608 D Common Stock 2018-12-21 4 F 0 353 37.98 D 22255 D Common Stock 1578 I By 401(k) Common Stock 2761 I By Deferred Comp Plan Common Stock 200 I By IRA Restricted Stock Units 0 2018-12-21 4 M 0 1065 0 D Common Stock 1065 1065 D Restricted Stock Units 0 2018-12-21 4 M 0 768 0 D Common Stock 768 1596 D Restricted Stock Units 0 2018-12-21 4 M 0 427 0 D Common Stock 427 0 D Restricted Stock Units 0 2018-12-21 4 M 0 878 0 D Common Stock 878 2633 D Stock Option (Right to Buy) 31.26 2016-02-25 2025-02-25 Common Stock 766 766 D Stock Option (Right to Buy) 30.33 2017-02-24 2026-02-24 Common Stock 4676 4676 D Performance Share Units 0 Common Stock 5326 5326 D Stock Option (Right to Buy) 45.67 Common Stock 3774 3774 D Performance Share Units 0 Common Stock 3941 3941 D Stock Option (Right to Buy) 41.01 Common Stock 3735 3735 D Performance Share Units 0 Common Stock 4389 4389 D Transaction represents the settlement of restricted stock units. Transaction represents withholding of shares to satisfy tax withholding obligation upon settlement of restricted stock units. Transaction represents withholding of shares to satisfy tax withholding obligation upon vesting of restricted stock. Represents approximate equivalent number of shares of the Issuer's common stock held in the reporting person's account under the Issuer's 401(k) Profit Sharing 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 will fluctuate with changes in the market price of the Issuer's common stock. 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 will fluctuate with changes in the market price of the Issuer's common stock. Restricted Stock Units granted to the reporting person under the Issuer's Amended and Restated Omnibus Incentive Plan equal to the same amount of shares of common stock. The remaining restricted stock units are scheduled to vest on February 24, 2020. Restricted Stock Units granted to the reporting person under the Issuer's Amended and Restated Omnibus Incentive Plan equal to the same amount of shares of common stock. The remaining restricted stock units are scheduled to vest in one-half annual increments beginning February 22, 2020. Restricted Stock Units granted to the reporting person under the Issuer's Amended and Restated Omnibus Incentive Plan equal to the same amount of shares of common stock. Restricted Stock Units granted to the reporting person under the Issuer's Amended and Restated Omnibus Incentive Plan equal to the same amount of shares of common stock. The remaining restricted stock units are scheduled to vest in one-third annual increments beginning February 28, 2020. Option to purchase shares of common stock granted to the reporting person under Issuer's Omnibus Incentive Plan. The option vests annually over 4 years (25% per year beginning on February 25, 2016). Option to purchase shares of common stock granted to reporting person under Issuer's Amended and Restated Omnibus Incentive Plan. The option vests annually over 4 years (25% per year beginning February 24, 2017). Performance based vesting Option to purchase shares of common stock granted to reporting person under Issuer's Amended and Restated Omnibus Incentive Plan. The option vests annually over 4 years (25% per year beginning February 22, 2018). Option to purchase shares of common stock granted to reporting person under Issuer's Amended and Restated Omnibus Incentive Plan. The option vests annually over 4 years (25% per year beginning February 28, 2019). /s/ Doria L. Koros, attorney-in-fact for Mr. Wildman 2018-12-26