X0306 4 2019-02-27 0001139812 MB FINANCIAL INC /MD MBFI 0001450581 Conte Randall C/O MB FINANCIAL, INC. 6111 NORTH RIVER ROAD ROSEMONT IL 60018 1 Vice President and CFO Common Stock 2019-02-27 4 M 0 6062 45.58 A 27444 D Common Stock 2019-02-27 4 F 0 2683 45.58 D 24761 D Common Stock 39286 I By IRA Performance Share Units 0 2019-02-27 4 M 0 6062 0 D Common Stock 6062 0 D Stock Option (Right to Buy) 30.33 2017-02-24 2026-02-24 Common Stock 4721 4721 D Stock Option (Right to Buy) 31.26 2016-02-25 2025-02-25 Common Stock 3482 3482 D Restricted Stock Units 0 Common Stock 1075 1075 D Stock Option (Right to Buy) 45.67 Common Stock 3774 3774 D Performance Share Units 0 Common Stock 3941 3941 D Restricted Stock Units 0 Common Stock 1576 1576 D Stock Option (Right to Buy) 41.01 Common Stock 3735 3735 D Performance Share Units 0 Common Stock 4389 4389 D Restricted Stock Units 0 Common Stock 298 298 D Restricted Stock Units 0 Common Stock 2633 2633 D Transaction represents the settlement of performance share units ("PSUs"). These PSUs represented the right to receive a number of shares of the issuer's common stock, ranging from 25% to 175% of a target number of 5,378 shares (which was the number of PSUs previously reported as having been awarded to the reporting person) depending on the level of achievement relative to a specified performance goal (total shareholder return relative to a comparison group) during the performance period. Based on the actual level of achievement during the performance period, the reporting person vested in 6,062 PSUs, representing 112.72% of the target number of PSUs, for which the reporting person became entitled to 6,062 shares of the issuer's common stock. This transaction represents withholding of shares to satisfy tax withholding obligation in connection with the vesting and settlement of PSUs as described in Footnote 1. Represents shares held by Randall T. Conte, CGM IRA Rollover Custodian 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 24, 2017). 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 remaining restricted stock units are scheduled to vest on February 24, 2020. 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 in one-half annual increments beginning February 22, 2020. 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). 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. /s/ Doria L. Koros, attorney-in-fact for Mr. Conte 2019-02-28