# EDGAR Filing Document

**Accession Number:** 0001587523
**File Stem:** 0001587523-23-000035
**Filing Date:** 2023-3
**Character Count:** 2225
**Document Hash:** 4f5963cfb304d6e6bcf26671b43d3147
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001587523-23-000035.hdr.sgml**: 20230317

**ACCESSION NUMBER**: 0001587523-23-000035

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20230317

**DATE AS OF CHANGE**: 20230317

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Knowles Corp
- **CENTRAL INDEX KEY:** 0001587523
- **STANDARD INDUSTRIAL CLASSIFICATION:** HOUSEHOLD AUDIO & VIDEO EQUIPMENT [3651]
- **IRS NUMBER:** 901002689
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36102
- **FILM NUMBER:** 23741945

**BUSINESS ADDRESS:**
- **STREET 1:** 1151 MAPLEWOOD DRIVE
- **CITY:** ITASCA
- **STATE:** IL
- **ZIP:** 60143
- **BUSINESS PHONE:** 630-250-5100

**MAIL ADDRESS:**
- **STREET 1:** 1151 MAPLEWOOD DRIVE
- **CITY:** ITASCA
- **STATE:** IL
- **ZIP:** 60143

    

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**SCHEDULE 14A**

**Proxy Statement Pursuant to Section 14(a) of the**

**Securities Exchange Act of 1934**

**(Amendment No.)**

Filed by the Registrant ☒&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to § 240.14a-12

**KNOWLES CORPORATION**

**(Name of Registrant as Specified in its Charter)**

**&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**

**(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)**

Payment of Filing Fee (Check all boxes that apply):

☒ No fee required.

☐ Fee paid previously with preliminary materials.

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

    

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![noticeandaccess2-final.jpg](noticeandaccess2-final.jpg)

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