X0306 4 2018-04-16 0000702325 FIRST MIDWEST BANCORP INC FMBI 0001529460 Brown Thomas Lynn ONE PIERCE PLACE SUITE 1500 ITASCA IL 60143 1 Phantom Stock Under NQ Deferred Comp. Plan 2018-04-16 4 A 0 1133 24.94 A Common Stock 1133 5855 D Shares of phantom stock acquired pursuant to the Nonqualified Deferred Compensation Plan have a 1-for-1 conversion ratio and are payable in cash upon distribution to the Participant in accordance with the terms of the Plan. Between January 13, 2018 and April 16, 2018, the Reporting Person acquired 1,133 shares of First Midwest Bancorp, Inc. Common Stock under the First Midwest Bancorp, Inc. Non-Qualified Deferred Compensation Plan. The information in this report is based on a plan statement dated January 16, 2018. Between January 10, 2018 and April 10, 2018, the Reporting Person acquired 21 shares of First Midwest Bancorp, Inc. Common Stock pursuant to the Dividend Reinvestment feature under the First Midwest Bancorp, Inc. Non-Qualified Deferred Compensation Plan. The information in this report is based on a plan statement dated April 10, 2018. /s/ Andrea L. Stangl, Attorney-in-fact for Thomas Lynn Brown 2018-04-18