X0306 4 2019-05-31 0001587523 Knowles Corp KN 0001667921 Li Ye Jane C/O KNOWLES CORPORATION, 1151 MAPLEWOOD ITASCA IL 60143 1 Common Stock 2019-05-31 4 A 0 10808 0 A 33514 D Restricted Stock Unit (RSU) awarded as compensation for services as a Director pursuant to the Knowles Corporation 2018 Equity and Cash Incentive Plan. The RSUs will vest on the date of the Corporation's 2020 annual meeting of shareholders and convert into common stock on a one-for-one basis at that time unless the Director has elected to defer receipt of such shares. Raymond D. Cabrera, by POA 2019-06-04