FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Anderson John S.   2. Issuer Name and Ticker or Trading Symbol Knowles Corp [KN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Senior VP & CFO (Last) (First) (Middle) C/O KNOWLES CORPORATION, 1151 MAPLEWOOD DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 02/15/2018 (Street) ITASCA, IL 60143 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/15/2018   A   17,495 (1) A $ 0 95,661 D   Common Stock 02/16/2018   F   2,587 (2) D $ 14.3 93,074 D   Common Stock 02/17/2018   F   2,646 (3) D $ 14.3 90,428 D   Common Stock 02/19/2018   F   1,637 (4) D $ 14.3 88,791 D   Common Stock               93 I By 401(k) Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (Right to Buy)

$ 14.29

02/15/2018

A

46,382

02/15/2019(5)

02/15/2025

Common Stock

46,382

$ 0

46,382

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Anderson John S. C/O KNOWLES CORPORATION 1151 MAPLEWOOD DRIVE ITASCA, IL 60143			Senior VP & CFO

Signatures

/s/ Mark Pacioni, attorney-in-fact		02/20/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Restricted stock granted under the Knowles Corporation 2016 Equity and Cash Incentive Plan that vests ratably over three years commencing on the first anniversary of the award.
(2)	These shares represent the payment of the tax liability by withholding securities incident to the vesting of a restricted stock grant issued on February 16, 2017 in accordance with Rule 16b-3.
(3)	These shares represent the payment of the tax liability by withholding securities incident to the vesting of a restricted stock grant issued on February 17, 2016 in accordance with Rule 16b-3.
(4)	These shares represent the payment of the tax liability by withholding securities incident to the vesting of a restricted stock grant issued on February 17, 2015 in accordance with Rule 16b-3.
(5)	Option granted under the Knowles Corporation 2016 Equity and Cash Incentive Plan that vests ratably over three years commencing on the first anniversary of the award.

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