X0306 4 2020-03-15 0000702325 FIRST MIDWEST BANCORP INC FMBI 0001471708 Sander Mark G 8750 WEST BRYN MAWR AVENUE SUITE 1300 CHICAGO IL 60631 1 1 President & COO Common Stock 2020-03-15 4 A 0 15913 14.135 A 249419 D Common Stock 2020-03-15 4 F 0 2352 14.135 D 247067 D Common Stock 2020-03-15 4 F 0 2873 14.135 D 244194 D Common Stock 2020-03-15 4 F 0 2964 14.135 D 241230 D Common Stock 373.638 I Profit Sharing Plan Trust 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, 5,305 vested immediately and were paid in shares of the Issuer's common stock. The remaining 10,608 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 Mark G. Sander 2020-03-17