X0306 4 2020-02-12 0001587523 Knowles Corp KN 0001432460 Scherp Christian C/O KNOWLES CORPORATION 1151 MAPLEWOOD DRIVE ITASCA IL 60143 1 President, Performance Audio Common Stock 2020-02-12 4 A 0 6141 17.35 A 55532 D Common Stock 2020-02-12 4 F 0 2623 17.35 D 52909 D Common Stock 46 I By 401(k) Plan Represents the settlement of performance share units (PSUs) that were previously granted under the Company's Equity Incentive Plan. The ultimate amount of shares to be received under the grant depended upon the achievement of performance goals during a three-year performance period from January 1, 2017 through December 31, 2019. These shares were withheld to satisfy tax withholding obligations. Robyn B. Martin, by POA 2020-02-14