X0306 4 2020-03-15 0000702325 FIRST MIDWEST BANCORP INC FMBI 0001671909 Boylan Jo Ann 8750 WEST BRYN MAWR AVENUE SUITE 1300 CHICAGO IL 60631 1 EVP, Chief Info/Ops Officer Common Stock 2020-03-15 4 A 0 2583 14.135 A 32907 D Common Stock 2020-03-15 4 F 0 382 14.135 D 32525 D Common Stock 2020-03-15 4 F 0 467 14.135 D 32058 D Represents performance shares earned by the Reporting Person on March 15, 2020. The performance shares were granted under the Amended and Restated First Midwest Bancorp, Inc. Omnibus Stock and Incentive Plan, subject to a three year (2017-2019) performance period. Of the performance shares earned, 861 vested immediately and were paid in shares of the Issuer's common stock. The remaining 1,722 earned performance shares represent the right to receive shares of the Issuer's common stock upon satisfaction of a service-based vesting requirement and are scheduled to vest in two equal annual installments on March 15, 2021 and March 15, 2022. Reflects shares of the Issuer's common stock surrendered by the Reporting Person to satisfy tax withholding obligations upon the vesting of shares earned under a performance shares award. /s/ Debi Rouse, Attorney-in-fact for Jo Ann Boylan 2020-03-17