X0306 4 2018-12-21 0001139812 MB FINANCIAL INC /MD MBFI 0001243656 BOUMAN ROSE MARIE C/O MB FINANCIAL, INC. 6111 NORTH RIVER ROAD ROSEMONT IL 60018 1 Exec Officer of Subsidiary Common Stock 2018-12-21 4 M 0 543 37.98 A 88098 D Common Stock 2018-12-21 4 M 0 761 37.98 A 88859 D Common Stock 2018-12-21 4 F 0 579 37.98 D 88280 D Restricted Stock Units 0 2018-12-21 4 M 0 543 0 D Common Stock 543 542 D Restricted Stock Units 0 2018-12-21 4 M 0 761 0 D Common Stock 761 2282 D Stock Option (Right to Buy) 20.40 2013-08-29 2022-08-29 Common Stock 4976 4976 D Stock Option (Right to Buy) 27.09 2014-08-28 2023-08-28 Common Stock 3974 3974 D Stock Option (Right to Buy) 29.80 2015-02-26 2024-02-26 Common Stock 3925 3925 D Stock Option (Right to Buy) 31.26 2016-02-25 2025-02-25 Common Stock 2937 2937 D Restricted Stock Units 0 Common Stock 763 763 D Stock Option (Right to Buy) 30.33 2017-02-24 2026-02-24 Common Stock 3625 3625 D Performance Share Units 0 Common Stock 4130 4130 D Restricted Stock Units 0 Common Stock 1652 1652 D Stock Option (Right to Buy) 45.67 Common Stock 2969 2969 D Performance Share Units 0 Common Stock 3101 3101 D Restricted Stock Units 0 Common Stock 580 580 D Restricted Stock Units 0 Common Stock 1860 1860 D Stock Option (Right to Buy) 41.01 Common Stock 3237 3237 D Performance Share Units 0 Common Stock 3804 3804 D Transaction represents settlement of restricted stock units. Transaction represents withholding of shares to satisfy tax withholding obligation upon settlement of restricted stock units. 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 28, 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-third annual increments beginning February 28, 2020. Option to purchase shares of common stock granted to the reporting person under Issuer's Amended and Restated Omnibus Incentive Plan. The option vests annually over 4 years (25% per year) beginning on the date indicated. 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). 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 restricted stock units vest 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 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 restricted stock units vest annually over 4 years (25% per year beginning February 24, 2017). 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). 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 22, 2019. 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 restricted stock units vest 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 Ms. Bouman 2018-12-26