# EDGAR Filing Document

**Accession Number:** 0001587523
**File Stem:** 0001587523-23-000021
**Filing Date:** 2023-2
**Character Count:** 414747
**Document Hash:** 5c03970faf45ca25b56dd753807a18b1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001587523-23-000021.hdr.sgml**: 20230209

**ACCESSION NUMBER**: 0001587523-23-000021

**CONFORMED SUBMISSION TYPE**: 10-K

**PUBLIC DOCUMENT COUNT**: 121

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230209

**DATE AS OF CHANGE**: 20230209

**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:** 10-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36102
- **FILM NUMBER:** 23607390

**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

?xml version="1.0" ? kn-20221231

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 10-K** 

(Mark One)

☒ **ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For the fiscal year ended December 31, 2022.**

**or**

☐ **TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**OF 1934**

**For the transition period from to** 

**Commission File Number: 001-36102** 

**Knowles Corporation** 

*(Exact name of registrant as specified in its charter)*

---

| | |
|:---|:---|
| **Delaware** | **90-1002689** |
| *(State or other jurisdiction of incorporation or organization)* | *(I.R.S. Employer Identification No.)* |

---

**1151 Maplewood Drive, Itasca, IL** 

*(Address of Principal Executive Offices)* 

**60143** 

*(Zip Code)*

**(630) 250-5100** 

(Registrant's telephone number, including area code)

**Securities registered pursuant to Section 12(b) of the Act:**

---

| | | |
|:---|:---|:---|
| **Title of each class** | **Trading symbol** | **Name of each exchange on which registered** |
| Common stock, $0.01 par value per share | KN | New York Stock Exchange |

---

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Yes ☒ No ☐

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes ☐&nbsp;&nbsp;&nbsp;&nbsp; No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

---

| | | | |
|:---|:---|:---|:---|
| Large accelerated filer | ☒ | Accelerated filer | ☐ |
| Non-accelerated filer | ☐ | Smaller reporting company | ☐ |
| | | Emerging growth company | ☐ |

---

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☒

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No ☒

The aggregate market value of the voting and non-voting common stock held by non-affiliates of the registrant as of the close of business on June 30, 2022 was approximately $1,570,000,000. The number of outstanding shares of the registrant's common stock as of February 7, 2023 was 91,233,216.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the definitive Proxy Statement for the registrant's 2023 Annual Meeting of Stockholders have been incorporated by reference into Part III of this Annual Report on Form 10-K.

------

**<u>**Table of Contents**</u>**

---

| | | |
|:---|:---|:---|
| | | **<u>Page</u>** |
| **<u>[PART I](#i54e8c3bf19e84fed84edbf0504abb5c3_10)</u>** | **<u>[PART I](#i54e8c3bf19e84fed84edbf0504abb5c3_10)</u>** | <u>[3](#i54e8c3bf19e84fed84edbf0504abb5c3_10)</u> |
| <u>[Item 1.](#i54e8c3bf19e84fed84edbf0504abb5c3_13)</u> | <u>[Business](#i54e8c3bf19e84fed84edbf0504abb5c3_13)</u> | <u>[3](#i54e8c3bf19e84fed84edbf0504abb5c3_13)</u> |
| <u>[Item 1A.](#i54e8c3bf19e84fed84edbf0504abb5c3_16)</u> | <u>[Risk Factors](#i54e8c3bf19e84fed84edbf0504abb5c3_16)</u> | <u>[8](#i54e8c3bf19e84fed84edbf0504abb5c3_16)</u> |
| <u>[Item 1B.](#i54e8c3bf19e84fed84edbf0504abb5c3_19)</u> | <u>[Unresolved Staff Comments](#i54e8c3bf19e84fed84edbf0504abb5c3_19)</u> | <u>[20](#i54e8c3bf19e84fed84edbf0504abb5c3_19)</u> |
| <u>[Item 2.](#i54e8c3bf19e84fed84edbf0504abb5c3_22)</u> | <u>[Properties](#i54e8c3bf19e84fed84edbf0504abb5c3_22)</u> | <u>[20](#i54e8c3bf19e84fed84edbf0504abb5c3_22)</u> |
| <u>[Item 3.](#i54e8c3bf19e84fed84edbf0504abb5c3_25)</u> | <u>[Legal Proceedings](#i54e8c3bf19e84fed84edbf0504abb5c3_25)</u> | <u>[20](#i54e8c3bf19e84fed84edbf0504abb5c3_25)</u> |
| <u>[Item 4.](#i54e8c3bf19e84fed84edbf0504abb5c3_28)</u> | <u>[Mine Safety Disclosures](#i54e8c3bf19e84fed84edbf0504abb5c3_28)</u> | <u>[21](#i54e8c3bf19e84fed84edbf0504abb5c3_28)</u> |
|  | <u>[Information about our Executive Officers](#i54e8c3bf19e84fed84edbf0504abb5c3_31)</u> | <u>[22](#i54e8c3bf19e84fed84edbf0504abb5c3_31)</u> |
| **<u>[PART II](#i54e8c3bf19e84fed84edbf0504abb5c3_34)</u>** | **<u>[PART II](#i54e8c3bf19e84fed84edbf0504abb5c3_34)</u>** | <u>[23](#i54e8c3bf19e84fed84edbf0504abb5c3_34)</u> |
| <u>[Item 5.](#i54e8c3bf19e84fed84edbf0504abb5c3_37)</u> | <u>[Market for Registrant's Common Equity, Related Stockholder Matters, and Issuer Purchases of Equity Securities](#i54e8c3bf19e84fed84edbf0504abb5c3_37)</u> | <u>[23](#i54e8c3bf19e84fed84edbf0504abb5c3_37)</u> |
| <u>[Item 6.](#i54e8c3bf19e84fed84edbf0504abb5c3_40)</u> | <u>[\[Reserved\]](#i54e8c3bf19e84fed84edbf0504abb5c3_40)</u> | <u>[24](#i54e8c3bf19e84fed84edbf0504abb5c3_40)</u> |
| <u>[Item 7.](#i54e8c3bf19e84fed84edbf0504abb5c3_43)</u> | <u>[Management's Discussion and Analysis of Financial Condition and Results of Operations](#i54e8c3bf19e84fed84edbf0504abb5c3_43)</u> | <u>[25](#i54e8c3bf19e84fed84edbf0504abb5c3_43)</u> |
| <u>[Item 7A.](#i54e8c3bf19e84fed84edbf0504abb5c3_58)</u> | <u>[Quantitative and Qualitative Disclosures About Market Risk](#i54e8c3bf19e84fed84edbf0504abb5c3_58)</u> | <u>[45](#i54e8c3bf19e84fed84edbf0504abb5c3_58)</u> |
| <u>[Item 8.](#i54e8c3bf19e84fed84edbf0504abb5c3_61)</u> | <u>[Financial Statements and Supplementary Data](#i54e8c3bf19e84fed84edbf0504abb5c3_61)</u> | <u>[46](#i54e8c3bf19e84fed84edbf0504abb5c3_61)</u> |
| <u>[Item 9.](#i54e8c3bf19e84fed84edbf0504abb5c3_166)</u> | <u>[Changes in and Disagreements with Accountants on Accounting and Financial Disclosure](#i54e8c3bf19e84fed84edbf0504abb5c3_166)</u> | <u>[88](#i54e8c3bf19e84fed84edbf0504abb5c3_166)</u> |
| <u>[Item 9A.](#i54e8c3bf19e84fed84edbf0504abb5c3_169)</u> | <u>[Controls and Procedures](#i54e8c3bf19e84fed84edbf0504abb5c3_169)</u> | <u>[88](#i54e8c3bf19e84fed84edbf0504abb5c3_169)</u> |
| <u>[Item 9B.](#i54e8c3bf19e84fed84edbf0504abb5c3_172)</u> | <u>[Other Information](#i54e8c3bf19e84fed84edbf0504abb5c3_172)</u> | <u>[89](#i54e8c3bf19e84fed84edbf0504abb5c3_172)</u> |
| <u>[Item 9C.](#i54e8c3bf19e84fed84edbf0504abb5c3_175)</u> | <u>[Disclosure Regarding Foreign Jurisdictions that Prevent Inspections](#i54e8c3bf19e84fed84edbf0504abb5c3_175)</u> | <u>[89](#i54e8c3bf19e84fed84edbf0504abb5c3_175)</u> |
| **<u>[PART III](#i54e8c3bf19e84fed84edbf0504abb5c3_178)</u>** | **<u>[PART III](#i54e8c3bf19e84fed84edbf0504abb5c3_178)</u>** | <u>[90](#i54e8c3bf19e84fed84edbf0504abb5c3_178)</u> |
| <u>[Item 10.](#i54e8c3bf19e84fed84edbf0504abb5c3_181)</u> | <u>[Directors, Executive Officers, and Corporate Governance](#i54e8c3bf19e84fed84edbf0504abb5c3_181)</u> | <u>[90](#i54e8c3bf19e84fed84edbf0504abb5c3_181)</u> |
| <u>[Item 11.](#i54e8c3bf19e84fed84edbf0504abb5c3_184)</u> | <u>[Executive Compensation](#i54e8c3bf19e84fed84edbf0504abb5c3_184)</u> | <u>[90](#i54e8c3bf19e84fed84edbf0504abb5c3_184)</u> |
| <u>[Item 12.](#i54e8c3bf19e84fed84edbf0504abb5c3_187)</u> | <u>[Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters](#i54e8c3bf19e84fed84edbf0504abb5c3_187)</u> | <u>[90](#i54e8c3bf19e84fed84edbf0504abb5c3_187)</u> |
| <u>[Item 13.](#i54e8c3bf19e84fed84edbf0504abb5c3_190)</u> | <u>[Certain Relationships and Related Transactions, and Director Independence](#i54e8c3bf19e84fed84edbf0504abb5c3_190)</u> | <u>[91](#i54e8c3bf19e84fed84edbf0504abb5c3_190)</u> |
| <u>[Item 14.](#i54e8c3bf19e84fed84edbf0504abb5c3_193)</u> | <u>[Principal Accountant Fees and Services](#i54e8c3bf19e84fed84edbf0504abb5c3_193)</u> | <u>[91](#i54e8c3bf19e84fed84edbf0504abb5c3_193)</u> |
| **<u>[PART IV](#i54e8c3bf19e84fed84edbf0504abb5c3_196)</u>** | **<u>[PART IV](#i54e8c3bf19e84fed84edbf0504abb5c3_196)</u>** | <u>[92](#i54e8c3bf19e84fed84edbf0504abb5c3_196)</u> |
| <u>[Item 15.](#i54e8c3bf19e84fed84edbf0504abb5c3_199)</u> | <u>[Exhibits and Financial Statement Schedules](#i54e8c3bf19e84fed84edbf0504abb5c3_199)</u> | <u>[92](#i54e8c3bf19e84fed84edbf0504abb5c3_199)</u> |
| <u>[Item 16.](#i54e8c3bf19e84fed84edbf0504abb5c3_202)</u> | <u>[Form 10-K Summary](#i54e8c3bf19e84fed84edbf0504abb5c3_202)</u> | <u>[94](#i54e8c3bf19e84fed84edbf0504abb5c3_202)</u> |
| **<u>[SIGNATURES](#i54e8c3bf19e84fed84edbf0504abb5c3_205)</u>** | **<u>[SIGNATURES](#i54e8c3bf19e84fed84edbf0504abb5c3_205)</u>** | <u>[95](#i54e8c3bf19e84fed84edbf0504abb5c3_205)</u> |

---

------

<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

**PART I**

**ITEM 1. BUSINESS**

Unless the context otherwise requires, references in this Annual Report on Form 10-K to "Knowles," the "Company," "we," "our," or "us" refer to Knowles Corporation and its consolidated subsidiaries.

**Our Company**

We are a market leader and global provider of advanced micro-acoustic microphones and balanced armature speakers, audio solutions, and high performance capacitors and radio frequency ("RF") filtering products, serving the medtech, defense, consumer electronics, electric vehicle, industrial, and communications markets. Our focus on the customer, combined with unique technology, proprietary manufacturing techniques, and global operational expertise, enables us to deliver innovative solutions across multiple applications. Knowles, founded in 1946 and headquartered in Itasca, Illinois, has approximately 7,000 employees at facilities located in 13 countries around the world.

**Our Strategy**

The Company is focused on delivering high value, differentiated solutions to a diverse set of end markets.

In our Precision Devices ("PD") segment, our high performance capacitors and RF filtering solutions enable some of the most demanding applications in the defense, medtech, and electric vehicle markets. Our capacitor portfolio includes products with highly specialized requirements including high voltage, high temperature, and high reliability. We also deliver RF filtering solutions across a broad range of applications and frequencies primarily serving the defense market. We continue to focus on sales growth and improved margins by expanding our presence in profitable markets through organic initiatives and acquisitions. Since 2018 we have completed four tuck-in acquisitions where we have strong market positions and attractive margin profiles, including defense, medtech, industrial, electric vehicle, and communications applications.

In our Medtech & Specialty Audio ("MSA") segment, our primary focus is to deliver high reliability and industry leading balanced armature speakers and microphones to leading hearing health manufacturers and premium audio markets. We work collaboratively with customers to ensure that our solutions meet their size, broad frequency response, and low power or custom acoustic module requirements. Our expertise in the traditional hearing aid market enables us to capitalize on emerging markets like Over the Counter ("OTC") hearing aids. We continue to focus on sales growth and improved margins by leveraging our core strengths in manufacturing and research and development.

In our Consumer MEMS Microphones ("CMM") segment the Company benefits from the positive audio trends across consumer devices. With products ranging from smartphones to headsets, and from smart speakers to household appliances, improved audio quality and voice-powered interactions have emerged as critical and necessary features. Across mobile, ear, computing, and Internet of Things ("IoT") markets, consumers want better audio performance and to engage with technology through natural, spoken commands, and original equipment manufacturers ("OEMs") are developing and deploying the technology to enable it. Our unique capabilities in MEMS microphones place us in a competitive position to enhance audio performance and enable voice input.

**Our Business Segments**

During the fourth quarter of 2022, we determined each operating segment represents a single reportable segment; thus, we now report three segments. These segments were determined in accordance with Financial Accounting Standards Board Accounting Standards Codification 280 - Segment Reporting and are comprised of (i) PD, (ii) MSA, and (iii) CMM. The segments are aligned around similar product applications serving our key end markets to enhance focus on end market growth strategies. This change was made to enhance transparency into the Company's performance and to better align with how management reviews its financial results to drive business decision making. Prior period segment results and related disclosures have been conformed to reflect our current reportable segments.

------

<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

Our reportable segments are as follows:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• PD Segment

Our PD segment specializes in the design and delivery of high performance capacitor products and RF solutions primarily serving the defense, medtech, electric vehicle, and industrial markets. PD has sales, support, and engineering facilities in North America, Europe, and Asia as well as manufacturing facilities in North America and Asia.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• MSA Segment

Our MSA segment designs and manufactures balanced armature speakers and microphones used in applications that serve the hearing health and premium audio markets. MSA has sales, support, and engineering facilities in North America, Europe, and Asia, as well as manufacturing facilities in Asia.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• CMM Segment

Our CMM segment designs and manufactures micro-electro-mechanical systems ("MEMS") microphones and audio solutions used in applications that primarily serve the ear, IoT, computing, and smartphones markets. CMM has sales, support, and engineering facilities in North America, Europe, and Asia, as well as manufacturing facilities in Asia.

We sell our products directly to OEMs, their contract manufacturers, suppliers, and through sales representatives and distributors worldwide.

**Market Trends**

In our PD segment, we sell high reliability, high voltage and high temperature ceramic capacitors, and electromagnetic interference filters across diverse end markets. Portions of this segment face much greater exposure to capital investment cycles and government spending, both direct and indirect, as some of these end markets are largely dependent on project upgrades, expansion, and government contracts. We have been experiencing increased demand for our products driven by the upgrading of large rotary radars, deployment of communication satellites, build-out of 5G communication systems, and the rapid replacement of combustion engine vehicles with electric vehicles. In addition, demand has increased as a result of the expansion of small implantable devices to monitor and correct a host of chronic health issues.

In our MSA segment, sales within the hearing aid market are largely driven by aging demographics, healthcare spending, increasing affluence in emerging markets, and government subsidies. Our microphones and balanced armature speakers are also utilized to produce high-definition audio for higher performance True Wireless Stereo ("TWS").

In our CMM segment, voice has been embraced as a primary user interface across consumer electronic devices. Voice assistants are proliferating throughout a variety of applications from smartphones to headsets, and from smart speakers to household appliances. Across ear, IoT, computing, and mobile markets, consumers want to engage with technology through natural spoken commands, and OEMs are developing and deploying the technology to enable it. Our unique capabilities in MEMS microphones and digital signal processing place us in a competitive position to enhance audio performance and enable voice input.

**Geographic Trends**

We strive to maintain our manufacturing facilities in close proximity to our direct customers. In PD, we operate 6 facilities in North America and 1 facility in Asia for the manufacturing of products that support our global customers, as well as their suppliers and contract manufacturers. In MSA, we currently operate 4 facilities in Asia to serve the leading hearing health manufacturers largely based in Europe, China, and North America. Although end-user demand for hearing aids is global and marketing activities occur globally, the majority of our manufacturing is located in the Philippines and Malaysia. In CMM, we currently operate 3 facilities in Asia to serve the contract manufacturers who build OEM equipment on behalf of our end-customers. These contract manufacturers are largely based in China, Taiwan, India, Singapore, Indonesia, and Vietnam. Although end-user demand for consumer electronics and hearing aids is global and marketing activities occur globally, the majority of our manufacturing is located in China, Malaysia, and the Philippines.

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

**Competitive Landscape**

Success in the electronic components industry is primarily driven by innovation and flexibility as customers compete to gain a share of the growing consumer device market. We compete across consumer platforms to deliver superior acoustic performance through customized products. Our investments in research and development enable us to capture new design wins across consumer OEMs. Our ability to balance and shift between full and semi-automation is key to our ability to optimize our operations and operating expenses. Additionally, it is important for suppliers to have flexibility and quick time-to-market to meet clients' needs. Key competitors include:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• **PD** - Kyocera Corporation, Murata, and Yageo Corporation

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• **MSA** - Sonion

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• **CMM** - AAC Technologies, Goertek, and Infineon

In the PD segment, the end markets tend to have less pricing pressure. We see a fragmented set of competitors across high end capacitors and filters for a diverse set of end markets including defense, medtech, industrial, electric vehicle, and communications.

In the MSA segment, our leading technology and our investments in research and development enable us to introduce new products focused on high reliability, size, broad frequency response, and low power. Our customers are adopting these higher value microphones and balanced armature speakers to improve the overall audio performance of their devices which in turn improves the end user experience. For products that were introduced in prior years, we strive to offset anticipated price erosion through bill of material cost reductions, yield improvements, and equipment efficiency.

In the CMM segment, our investments in research and development enable us to introduce new products with improved features and performance in a highly competitive, technology-based industry. Our customers are adopting these higher value microphones to improve the overall audio performance of their devices which in turn improves the end user experience. Typically, our new products have higher average selling prices than the products they are replacing. Once introduced, the pricing for these products trend lower, as is typical in the consumer electronics market. For products that were introduced in prior years, we strive to offset anticipated price erosion through bill of material cost reductions, yield improvements, equipment efficiency, and movement to lower-cost manufacturing locations.

**Customers, Sales, and Distribution**

We serve customers in the medtech, defense, electric vehicle, industrial, communications, and consumer electronics markets. Our customers include some of the largest OEMs and operators in these markets. In addition, many of our OEM customers outsource to contract manufacturers. Other customers include global mobile phone manufacturers, hearing aid manufacturers, and many of the largest global contract manufacturing companies, particularly in China.

The Company's customers that accounted for 10% or more of total revenues were as follows:

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| | | | |
|:---|:---|:---|:---|
| | **Revenues** | **Revenues** | **Revenues** |
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| | **2022** | **2021** | **2020** |
| Apple Inc. | 15% | 16% | 23% |

---

We manufacture and develop our products as well as maintain sales and technical customer support offices in North America, Europe, and Asia. We supplement our direct sales force with external sales representatives and distributors. Our global distribution center is located in Penang, Malaysia. Our worldwide sales force provides geographically specific support to our customers and specialized selling of product lines to various customer bases. For further detail and for additional disclosures regarding sales and long-lived assets by geographic location, see Note 18. Segment Information to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

**Raw Materials**

We use a wide variety of raw materials, primarily metals, ceramic powder, and semi-processed or finished components. Commodity pricing for various metals, such as palladium, gold, brass, stainless steel, and copper, fluctuates. As a result, our operating results are exposed to such fluctuations. Although some cost increases may be recovered through increased prices to customers, if commodity prices trend upward, we attempt to control such costs through fixed-price contracts with suppliers and various other programs.

We rely on highly specialized suppliers or foundries for critical materials, components, or subassemblies that are used in our products which, in some cases, may be sole sourced from such suppliers or foundries or, such suppliers or foundries may also be a strategic supplier to one of our competitors or a customer. The loss of any single supplier has not had a material impact on operating profits. However, should an event occur which affects the ability or willingness of any supplier or foundry to continue to deliver materials or components to us in a timely manner, we may not be able to identify or qualify an alternative supplier in a timely manner which, in any such period and future periods, could have a material adverse impact on our results of operations. See Item 1A. Risk Factors for additional information regarding risks related to our business.

**Research and Development**

We concentrate our research and development efforts on the design and development of new products for each of our principal markets. We also fund certain other emerging product and technology opportunities. Our future success is highly dependent upon our ability to develop complex new products, transfer new products to volume production, introduce them into the marketplace in a timely fashion, and have them selected for design into our customers' products at competitive prices. Our future success may also depend on increasing content in our customers' products including assisting our customers with integration of our products and software into their new products and providing support from the concept stage through design, launch, and production ramp.

**Intellectual Property and Intangible Assets**

We rely on patent, copyright, trademark, and trade secret laws to protect our intellectual property, products, and technology. Our U.S. patents expire in calendar years 2023 through 2042. While our patents are an important element of our success, our business as a whole is not dependent on any one patent or group of patents. We do not anticipate any material effect on our business due to any patents expiring in 2023, and we continue to obtain new patents through our ongoing research and development. We have maintained U.S. federal trademark registrations for KNOWLES and Knowles logo designs, along with various other trademarks. These U.S. registrations may be renewed as long as the marks continue to be used in interstate commerce. We have also filed or obtained foreign registration for these marks in other countries or jurisdictions where we conduct, or anticipate conducting, international business. To complement our own research and development efforts, we have also licensed and expect to continue to license, a variety of intellectual property and technologies important to our business from third parties. See Item 1A. Risk Factors for additional information regarding risks related to our business.

**Cybersecurity**

We regularly perform risk assessments relating to cybersecurity and technology risks. We have a risk-based cybersecurity program, dedicated to protecting our data as well as data belonging to our customers and partners. We utilize a defensive in-depth strategy, with multiple layers of security controls to protect our data and solutions. We mitigate cybersecurity risks by employing extensive measures, including employee training, systems monitoring and testing, and maintenance of protective systems and contingency plans. We continually evaluate ourselves for appropriate business continuity and disaster recovery planning, with test scenarios that include simulations and penetration tests. We also install and regularly update antivirus software on all Company-managed systems to detect and prevent malicious code from impacting our systems.

For more information on risks related to data security, see Item 1A. "Risk Factors - Risks Related to Intellectual Property and Cybersecurity - Our business and operations could suffer in the event of security breaches, cybersecurity incident, other unauthorized disclosures, or network disruptions."

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**Seasonality**

Our PD segment is not typically subject to seasonality. Our MSA segment tends to have stronger revenues in the fourth quarter of each fiscal year, while our CMM segment, which serves the consumer electronics market, varies based on the timing of OEM product launches and can impact our quarterly revenues, earnings, and cash flow.

**Human Capital Management**

As of December 31, 2022, Knowles had approximately 7,000 employees at facilities located in 13 countries around the world. Approximately 82% of our employees are located in Asia and approximately 71% of our employees globally identify as female. In the United States, approximately 42% of our employees identify as female and approximately 48% of our employees self-identified as belonging to a racial/ethnic minority group. We believe our success is dependent upon attracting, developing, and retaining high performing employees at all levels of the organization. An important component of achieving this goal is fostering a workplace environment that embraces diversity and inclusion. Our Chief Human Resources Officer is responsible for developing and executing on our human capital strategy, with oversight by the Compensation Committee of our Board of Directors. Our key initiatives with respect to human capital management include:

*Recruitment, Training, and Development*

We understand that our most important resource is our people. We utilize a variety of recruitment vehicles to source top talent. We are building relationships with organizations that support the advancement of underrepresented minority groups to sustain a pipeline of diverse talent for opportunities across our Company. We are also working to increase diversity within our professional and management positions and have implemented customized development programs to meet the unique needs of our employees' growth trajectories.

We also invest in the ongoing training and development of our employees by offering tuition and continuous education reimbursement, leveraging an e-learning platform, and implementing formal mentorship programs. Knowles has a formal Succession Planning initiative with the primary objective of identifying and developing our next generation leaders.

Our Chief Human Resources Officer annually reviews with the Board of Directors our overall talent management strategy and progress.

*Commitment To Diversity, Inclusion, and Equality*

We believe our diverse teams, with their unique ideas, thoughts, and perspectives, form the building blocks for our culture of innovation at Knowles. We strive to create and maintain a workplace environment that embraces the diversity of thoughts, ideas, beliefs, and experiences, brought by our team members. We recognize that nurturing an inclusive workplace enables us to attract, develop, and retain our team members regardless of their race, color, gender identity, language, national origin, religion, orientation, or age. To successfully execute on our strategy, we have established a Diversity and Inclusion Council comprised of employees from various areas of the Company along with members of senior management who serve as executive sponsors. The Council is tasked with advising the management team on concrete initiatives we can undertake as an organization to strengthen diversity and inclusion at the Company. Under the Council's leadership, we have commemorated and celebrated numerous diversity, cultural, and historical events throughout the year.

Knowles is also committed to the advancement of women in the workplace and gender diversity in engineering careers. We strive to be an employer of choice for women in engineering. We understand the importance of gender diversity and with it, the need for advancing women in Science, Technology, Engineering, and Mathematics ("STEM") careers. We continue to partner with local organizations to help bridge the gender gap in STEM and shape the next generation of women who aspire to be leaders in the new era of technology. For example, Knowles is the perennial sponsor of the University of Illinois at Chicago's ("UIC") Women in Engineering Summer Program. We have also supported UIC's women engineering students with programs such as academic scholarships, summer internship programs, mentorship programs, and full-time employment opportunities. Our goal is to build a pipeline of multi-generational talent and accelerate the development of women engineers into advanced technical and leadership positions at Knowles. Additionally, we are focused on increasing the representation of women in leadership roles at Knowles. For our 2022 corporate summer internship program, 50% of our engineering internship positions were filled by women engineering students.

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We are fully committed to supporting our communities and the advancement of underrepresented minority groups. In 2021, we launched our partnership with PEAK (Partnership to Educate and Advance Kids), a Chicago-based nonprofit that is focused on providing academically average students from the city's most challenging and under-served neighborhoods with financial, educational, and personal support through their high school years. Knowles has pledged $10,000 annually to provide a PEAK student the opportunity to pursue a high-quality high school education. In addition, Knowles piloted the PEAK Student Tutoring Program, where our employees assist students with STEM-related subjects.

*Providing a Competitive Total Rewards Program*

To be able to attract and retain the best employees, Knowles provides a competitive total rewards program that incorporates our pay for performance philosophy. Our total rewards program includes market-competitive base pay, broad-based short-term and long-term incentive plans, healthcare benefits, retirement plans, paid time off, family leave, and employee assistance programs.

*Fostering a Safe Work Environment*

We believe it is important to provide a healthy and safe workplace for our employees. We continue to maintain an Environmental, Health, and Safety Policy that reflects our goals to ensure the health, safety, and welfare of our employees. During 2022, environmental, health, and safety training and instruction were provided at all levels within the Company. In addition, our Environmental, Health & Safety ("EHS") Managers across the globe conduct regular reviews of key EHS performance indicators, which include the reporting and correction of any unsafe workplace behaviors, working conditions that could potentially lead to injury, or workplace incidents or illnesses that required first air or other medical treatment.

Additional information regarding Knowles' activities related to its people and sustainability, as well as workforce diversity data, can be found in the Knowles 2022 Corporate Sustainability Report, which is located on our website. The contents of our website and our Corporate Sustainability Report are referenced for general information only and are not incorporated into this Annual Report on Form 10-K.

**Other Information**

The address of our principal executive offices is 1151 Maplewood Drive, Itasca, Illinois 60143. Our telephone number is 630-250-5100.

Our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and any amendments to these reports are available, free of charge, on the "Financial Information - SEC Filings" link on the Investor Relations section of our website, www.knowles.com. We post each of these reports on our website as soon as reasonably practicable after the report is filed with or furnished to the Securities and Exchange Commission ("SEC"). The SEC maintains a website that contains these reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC (www.sec.gov).

Our corporate governance policies, Code of Business Conduct, and Board committee charters and policies are also posted on the Investor Relations section of our website. The information contained in, and that can be accessed through our website is not incorporated into and does not form a part of this Annual Report on Form 10-K.

**ITEM 1A. RISK FACTORS**

**Cautionary Statement Concerning Forward-Looking Statements**

This Annual Report on Form 10-K contains certain statements regarding business strategies, market potential, future financial performance, future action, results, and any other statements that do not directly relate to any historical or current fact which are "forward-looking" statements within the meaning of the Securities Act of 1933, as amended (the "Securities Act"), the Exchange Act, and the Private Securities Litigation Reform Act of 1995. The words "believe," "expect," "anticipate," "project," "estimate," "budget," "continue," "could," "intend," "may," "plan," "potential," "predict," "seek," "should," "will," "would," "expect," "objective," "forecast," "goal," "guidance," "outlook," "effort," "target," and similar expressions, among others, generally identify forward-looking statements, which speak only as of the date the statements were made.

In particular, information included under the sections entitled "Business," "Risk Factors," and "Management's Discussion and Analysis of Financial Condition and Results of Operations" contain forward-looking statements.

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Readers are cautioned that the matters discussed in these forward-looking statements are subject to risks, uncertainties, assumptions, and other factors that are difficult to predict and which could cause actual results to differ materially from those projected, anticipated, or implied in the forward-looking statements. Where, in any forward-looking statement, an expectation or belief as to future results or events is expressed, such expectation or belief is based on the current plans and expectations of management and expressed in good faith and believed to have a reasonable basis, but there can be no assurance that the expectation or belief will be achieved or accomplished. Many factors that could cause actual results or events to differ materially from those anticipated include those risks and uncertainties described below and elsewhere in this Annual Report on Form 10-K, including under the section entitled "Management's Discussion and Analysis of Financial Condition and Results of Operations." We caution you not to place undue reliance on these forward-looking statements, which speak only as of the date of this Annual Report on Form 10-K and Knowles does not assume any obligation to update any forward-looking statement as a result of new information, future events, or otherwise, except as required by applicable law. All forward-looking statements, expressed or implied, included in this Annual Report on Form 10-K are expressly qualified in their entirety by this cautionary statement. This cautionary statement should also be considered in connection with any subsequent written or oral forward-looking statements that we may make or persons acting on our behalf may issue.

You should consider each of the following factors as well as the other information in this Annual Report on Form 10-K, including our financial statements and the related notes, in evaluating our business and our prospects. The risks and uncertainties described below are not the only ones we face. In general, we are subject to the same general risks and uncertainties that impact many other companies such as general economic, industry, and/or market conditions and growth rates; possible future terrorist threats or armed conflicts and their effect on the worldwide economy; and changes in laws or accounting rules. Additional risks and uncertainties not presently known to us or that we currently consider immaterial may also impair our business operations. If any of these risks occur, our business and financial results could be harmed. In that case, the trading price of our common stock could decline.

**Risks Related To Our Business**

***Deterioration of global economic conditions, an economic recession, periods of inflation, or economic uncertainty in key end-user markets may adversely affect customer orders as well as demand for our products.***

Global economic conditions can be uncertain and volatile. Our business and results of operations have in the past been, and may continue to be, adversely affected by changes in global economic conditions including inflation, consumer spending rates, rising interest rates, the negative impacts caused by pandemics and public health crises, such as the COVID-19 pandemic, as well as the potential impacts of geopolitical uncertainties, including the ongoing conflict between Russia and Ukraine. As global economic conditions continue to be volatile or economic uncertainty remains, trends in end-user consumer spending also remain unpredictable. Many of our customers purchase our products, particularly in our CMM and MSA segments, based on end-user demand from consumers. As a result, unfavorable economic conditions may lead our customers to delay or reduce purchases of our products.

***Financial condition and results of operations have been and are expected to continue to be adversely impacted by the recent COVID-19 pandemic.***

The effects on our operations due to the public health crisis caused by the COVID-19 pandemic and the measures being taken to limit COVID-19's spread have negatively impacted our operations and financial results and future impacts are uncertain and difficult to predict, but may include:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;◦ The effects of the COVID-19 pandemic on our business may extend well beyond the current health crisis and immediate related governmental action. Disruptions resulting from COVID-19 may cause some of our customers to take cost-cutting actions. In addition, shifts in consumer spending and market downturns due to the measures taken to contain its spread have negatively impacted demand for some of our products, particularly in our CMM segment, and may continue to have a significant negative impact to our financial results.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;◦ We may be restricted or prevented from conducting business activities for indefinite or intermittent periods of time, including as a result of employee health and safety concerns, shutdowns, shelter in place orders, travel restrictions, and other actions and restrictions that may be requested or mandated by governmental authorities.

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The ultimate impact of the COVID-19 pandemic on our business and results of operations depends on future developments, which are uncertain, rapidly changing, and difficult to predict, including but not limited to the severity and duration of the COVID-19 pandemic; the availability, adoption, and efficacy of vaccines; the emergence, spread, and severity of new variants of COVID-19; actions taken by governmental authorities and other third parties in response; and when and to what extent normal business, economic, and social activity and conditions resume.

***Our CMM segment derives a significant portion of its revenues from a limited number of OEM customers. If revenues derived from these customers decrease or the timing of such revenues fluctuates, our operating results could be adversely affected.***

Our CMM segment accounted for 38% of our consolidated revenues for fiscal 2022. Our CMM segment derives a significant portion of revenues from a small number of OEM customers. For 2022, CMM's top five customers accounted for approximately 63% of its revenues. For the year ended December 31, 2022, Apple Inc. accounted for approximately 40% of CMM's revenues and 15% of consolidated company revenues. The smartphone industry is also subject to intense competition that could result in decreased demand and/or declining average selling prices for our products and those of our OEM customers. The loss of any one of CMM's top customers or a reduction in the purchases of CMM's products by such customers would reduce our total revenues and may have a material adverse effect on our operating results, and any delay of a significant volume of purchases by any one of our top customers, even if only temporary, would reduce our revenues in the period of the delay and may have a material adverse effect on our operating results. For example, in fiscal 2022 we experienced customer purchasing adjustments due to excess inventory in the supply chain, which were partially offset by financial incentives offered to customers during the fourth quarter. Further, concentration of market share among a few companies and the corresponding increase in purchasing power of these companies may result in lower prices for our products which, if not offset by a sufficient increase in the volume, or favorable changes in the mix, of purchases of our products, could have a material adverse effect on our revenues and margins. In addition, the timing, volume, and mix of purchases by our significant customers may be impacted by the timing of such customers' new or next generation product introductions, and the timing of such introductions may have a material adverse effect on our operating results. Accordingly, if current market and industry dynamics continue, our CMM segment's revenues will continue to depend largely upon, and be impacted by the timing, volume, and mix of future purchases by a limited number of our OEM customers.

***We derive a substantial portion of our revenues from MEMS microphones and a significant reduction in our sales of MEMS microphones significantly reduced our revenues and adversely impact our operating results.***

Sales of MEMS microphones accounted for approximately 46% of our consolidated revenues for fiscal 2022. We expect that a substantial portion of our revenues will continue to be attributable to sales of MEMS microphones and any weakening of demand, loss of market share, or other factors adversely affecting our levels and the timing of our sales of MEMS microphones, including our customers' product release cycles, market acceptance, product competition, the performance and reliability of our MEMS microphones, and economic and market conditions could cause our revenues to substantially decline, which may have a material adverse effect on our operating results. For example, during fiscal 2022, we experienced weak demand for our MEMS microphones product line due to weak global demand for consumer electronics, COVID-19 related shutdowns in China, excess inventory in the supply chain, and our shift away from commoditized products.

***We rely on highly specialized suppliers for a variety of highly engineered or specialized components, and other inputs for which we may not be able to readily identify alternatives or substitutes in the event of a supply disruption or capacity constraint at or by any of these suppliers, which could have a material adverse impact on our results of operations.***

Certain of our businesses rely on highly specialized suppliers or foundries for critical materials, components, or subassemblies that are used in our products. In some cases, our suppliers or foundries are our sole source of supply, such as with our ASIC and MEMS foundry partners. Additionally, some of our suppliers or foundries are a strategic supplier to one of our competitors or a customer. Should an event occur which affects the ability or willingness of a key or sole supplier or foundry to continue to deliver materials or components to us in a timely manner, we may not be able to identify or qualify an alternative supplier in a timely manner which, in any such period and future periods, could have a material adverse effect on our results of operations. Potential events or occurrences which could cause business or supply disruptions or affect the ability or willingness of a supplier or foundry to continue to supply us include changes in market strategy, the acquisition of, sale, or other change in control or ownership structure of a supplier or foundry, strategic divestiture, bankruptcy, insolvency or other financial difficulties, business disruptions (including COVID-19-related supplier plant shutdowns or slowdowns, governmental regulatory and enforcement actions, and work stoppages), operational issues, or capacity constraints at a supplier or foundry.

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***If we are unable to offset erosion of average selling prices in our CMM segment our gross margins may be adversely affected.***

Like most technology sectors, the smartphone industry has traditionally experienced an erosion of average selling prices due to a number of factors, including intense competition, component pricing trends, changes in demand mix, excess inventories, and rapid obsolescence resulting from technology advances. Within our CMM segment, while average selling prices vary significantly on a product to product basis, we have traditionally been successful with largely offsetting price erosion by shifting our product mix to new, higher end or higher performance microphones and gradually shifting customers from analog microphones to higher value digital microphones. To offset average selling price erosion, we must either continue to be successful with these initiatives or increase our selling prices. If we are unable to offset average selling price erosion, the average selling prices of our products may decrease and our future operating results may be materially adversely affected.

***Our success depends on our ability to attract and retain key employees, and if we are unable to attract and retain such qualified employees, our business and our ability to execute our business strategies may be materially impaired.***

Our future success depends largely on the continued service and efforts of our executive officers and other key management and technical personnel and on our ability to continue to identify, attract, retain, and motivate them, particularly in an environment of cost reductions and a general move toward more performance-based compensation for executives and key management.

Implementing our business strategy also requires specialized engineering and other talent, as our revenues are highly dependent on technological and product innovations. Competition for such experienced technical personnel in our industry and where we are located is intense, and we cannot assure that we can continue to recruit and retain such personnel. For example, there is substantial competition for experienced engineers in China and technical personnel in the U.S. and India, which may make it difficult for us to recruit and retain key employees. If we are unable to attract and retain such qualified employees, our business and our ability to execute our business strategies may be materially impaired.

***We depend on the smartphone market for a significant portion of our revenues, the downturn in this market has significantly reduced our revenues and adversely impacted our operating results.***

The smartphone market accounted for approximately 16% of our consolidated revenues for fiscal 2022. While other markets such as mobile headsets, computing, wearables, and IoT are gaining in significance within our CMM segment, we expect that a substantial portion of CMM segment revenues will continue to be attributable to the smartphone market, which is cyclical and characterized by continuous and rapid technological change, product obsolescence, price erosion, evolving standards, short product life cycles, and significant fluctuations in product supply and demand. The smartphone market has experienced and may continue to experience periodic downturns which may be characterized by diminished product demand, production overcapacity, high inventory levels, and accelerated erosion of average selling prices. For example, in fiscal 2022 global economic conditions and COVID-19 mitigation measures contributed to a decline in demand for smartphones in China, a geographic region with high concentrations of smartphone users, resulting in an adverse impact on our operating results. While our diversification strategy has tempered the impact of the recent slowing of growth in this market, a continued significant downturn in the smartphone market could continue to have a material adverse effect on our business and operating results.

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***We have invested and continue to make strategic investments and acquisitions that, if not successful, could have a material adverse effect on our business and financial results.***

We engage in strategic transactions and make strategic investments including investments in emerging technology companies and intellectual property which are focused on growth by positioning the Company for expansion into new markets, territories or technologies, exploiting new or growing customer or market opportunities, and developing new technologies and products. Such acquisitions and strategic investments naturally entail significant risks and uncertainties, some of which are beyond our control. We may not, for example, be able to retain key employees, customers, or suppliers of acquired companies, derive value from acquired technology or assets and we may experience delays in achieving cost synergies or higher than expected costs in implementing them. In addition, due to our inexperience with certain adjacent or complimentary technologies and doing business in certain geographic regions that may be served by acquired businesses, we may underestimate the costs or overestimate the benefits that we expect to realize from such acquisitions or investments, and we may not achieve them. We cannot, therefore, provide assurance that each of our acquisitions or strategic investments will be accretive or generate anticipated financial returns. If, for any of these or for unforeseen reasons, our strategic acquisitions or investments fail to meet our expectations or forecasts, our business and results of operations may be materially adversely affected.

***Our effective tax rate may fluctuate which will impact our future financial results.***

Our effective tax rate is highly dependent upon the geographic composition of our worldwide earnings as we are subject to income taxes in both the U.S. and various foreign jurisdictions. Tax regulations governing each region, changes to those regulations, differing statutory tax rates, changes in the valuation of deferred tax assets, tax law, or rate changes could adversely affect our effective tax rate, and ultimately actual taxes payable.

The estimated effects of applicable tax laws, including current interpretation of the Tax Cuts and Jobs Act ("Tax Reform Act"), have been incorporated into our financial results. The U.S. Treasury Department, Internal Revenue Service ("IRS"), and other standard-setting bodies could interpret or issue future legislation or guidance which impact how provisions of the Tax Reform Act will be applied or otherwise administered that is different from our interpretation, which could have a material adverse impact on our effective tax rate as well as our future financial results and tax payments.

Further, our tax returns are subject to periodic reviews or audits by domestic and international authorities, and these audits may result in adjustments to our provision for taxes or allocations of income or deductions that result in tax assessments different from amounts that we have estimated. We regularly assess the likelihood of an adverse outcome resulting from these audits to determine the adequacy of our provision for taxes. There can be no assurance as to the outcome of these audits or that our tax provisions will not change materially or be adequate to satisfy any associated tax liability. If our effective tax rates were to increase or if our tax liabilities exceed our estimates and provisions for such taxes, our financial results could be adversely affected.

Our effective tax rate is favorably impacted by tax holidays granted to us by certain foreign jurisdictions, which lowers the tax rates we are subject to for a period of time as compared to the countries' statutory tax rates. These tax holidays are subject to the satisfaction of certain conditions, including exceeding certain annual thresholds of operating expenses and gross sales. If we fail to satisfy such conditions, our effective tax rate may be materially adversely impacted. As the result of the rapid decline in demand for global consumer electronics during fiscal 2022, we will not satisfy all of the conditions of our tax holiday in Malaysia that was in effect for 2022. While this did not result in a material adverse impact to our effective tax rate for 2022, if we are unable to re-negotiate our tax holiday in Malaysia, our effective tax rate in future years may be materially negatively impacted. For additional detail, see Note 13. Income Taxes to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data." Moreover, tax rates and laws in the countries where we operate may change, or tax reforms may be enacted domestically or in foreign jurisdictions which may increase tax uncertainty and may adversely affect our liquidity, cash flows, and future reported financial results or our ability to continue to structure and conduct our business as is done currently. For example, many of the countries where we are subject to taxes, including the U.S., are independently evaluating their tax policy and we may see significant changes in legislation, treaties, and regulations concerning taxation. In addition, many countries have politically committed to proposed fundamental changes to the international corporate tax system, by the Organization for Economic Co-operation and Development's (the "OECD") Inclusive Framework on Base Erosion and Profit Shifting, including the potential implementation of a minimum tax on global income, amongst other proposals.

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***Our products are complex and could contain defects, which could result in material costs to us and harm our business, results of operations, and financial condition.***

Our products are complex and could contain defects, which could result in material costs to us. Product development in the markets we serve is becoming more focused on audio signal processing for improved audio performance and to enable intelligent and more sophisticated audio solutions. The increasing complexity of our products increases the risk that we or our customers or end users could discover latent defects or subtle faults after significant volumes of product have been shipped. This could result in material costs and other adverse consequences to us including, but not limited to: loss of customers, reduced margins, damage to our reputation, a material product recall, replacement costs for product warranty and support, payments to our customers related to recall claims as a result of various industry or business practices, a delay in recognition or loss of revenues, loss of market share, or failure to achieve market acceptance, and a diversion of the attention of our engineering personnel from our product development efforts. In addition, any defects or other problems with our products could result in financial losses or other damages to our customers who could seek damages from us for their losses. A product liability or warranty claim brought against us, even if unsuccessful, would likely be time consuming and costly to defend. In particular, the sale of systems and components that are incorporated into smartphones for the global mobile phone industry involves a high degree of risk that such claims may be made. Due to the complex nature of our products, quality and reliability issues may be identified after significant volumes of a product have been shipped to a large customer. A warranty or product liability claim against us in excess of our available insurance coverage and established reserves, or a determination that we have liability or an obligation to cover the costs of a customer product recall, could have a material adverse effect on our business, results of operations, and financial condition.

In addition, our products are typically sold to customers at prices that are significantly lower than the cost of the customer's products in which they are incorporated. Given that a defect in one of our products could give rise to failures in the products that incorporate them, we may face claims for damages that are disproportionate to the revenues we receive from the products involved and because we are self-insured for matters relating to product quality a significant claim could have a material adverse effect on our financial condition. Moreover, to the extent a defect in one of our products is caused by a defective component supplied to us by a third party, we may, nonetheless, be liable to the customer and be unsuccessful in seeking indemnification from that third party.

***Future events or factors, such as a continued decline in forecasted revenue for our CMM segment, or changes to underlying assumptions used to calculate fair value could result in additional impairment charges which could result in a significant charge to earnings.***

We hold significant amounts of goodwill, other intangible assets, and long-lived assets, and the balances of these assets could increase in the future if we acquire other businesses. At December 31, 2022, the balance of our goodwill, other intangible assets, and long-lived assets was $730.5 million and the total market value of the Company's outstanding shares was $1.5 billion. Under generally accepted accounting principles in the United States ("U.S. GAAP"), we review our goodwill, other intangible assets, and long-lived assets for impairment when events or changes in circumstances indicate the carrying value of such goodwill, other intangible assets, or long-lived assets may not be recoverable. In addition, we test goodwill and other indefinite-lived intangible assets for impairment annually. During the year ended December 31, 2022, we recorded impairment charges of $470.9 million, related to goodwill impairment charges for the CMM segment. For additional detail, see Note 4. Impairment Charges to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."

Future events or factors considered a change in circumstances may occur which would adversely affect the fair value of the Company's assets and require impairment charges. Factors that may be considered a change in circumstances, indicating that the carrying value of our goodwill, other intangible assets, or long-lived assets may not be recoverable, include, but are not limited to, a sustained decline in stock price and market capitalization, significant negative variances between actual and expected financial results, reduced future cash flow estimates, adverse changes in legal factors, failure to realize anticipated synergies from acquisitions, and slower growth rates in our industry. We may be required to record a significant charge to earnings in our financial statements during the period in which any impairment of our goodwill, other intangible assets, or long-lived assets is determined to exist, negatively impacting our results of operations. If our market capitalization was to fall below the book value of our total stockholders' equity for a sustained period, we may conclude that the fair value of certain of our intangible or long-lived assets is materially impaired. In this case, we would be required under U.S. GAAP to record a non-cash charge to our earnings which could have a material adverse effect on our business, results of operations, and financial condition.

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***We are subject to potentially material liability for breaches of confidentiality agreements with certain of our top customers.***

We have entered into non-disclosure agreements with several of our top customers which require us not to disclose and to protect certain information regarding, among other things, aspects of those customers' businesses plans, products, and technology. These confidentiality agreements, in some cases, impose strict liability on us in the event of any breach of these agreements by us or our employees or agents and, should such a breach occur, any resulting damage award or settlement could have a material adverse effect on our operating results and financial condition.

**Risks Related to Our Industry**

***Global markets for our products are highly competitive and subject to rapid technological change. If we are unable to develop new products and compete effectively in these markets, our financial condition and operating results could be materially adversely affected.***

We compete in highly competitive, technology-based, industries that are highly dynamic as new technologies are developed and introduced. Our competitors may introduce products that are as or more technologically advanced than our products or launch new products faster than we can, which may result in a loss of market share or revenue by us. If we are unable to anticipate or match our competitors' development or launch of new products, identify customer needs and preferences on a timely basis, or successfully launch or ramp production of our new products, our business and operating results may be materially adversely affected.

***We operate in the highly competitive smartphone industry, which requires us to invest significant capital in developing, qualifying, and ramping production of new products without any assurance of product sales. If our new products are not designed into a customer's product or qualified by a customer our operating results could be negatively impacted.***

A significant portion of our consolidated revenues are derived from acoustic components and audio solutions that are required to go through extensive customer qualification processes before being selected by customers for inclusion in their end products. In order to meet the product launch schedules of our top customers, we may invest capital and devote substantial resources, including design, engineering, sales, marketing, and programming efforts, based on non-binding forecasts provided by these customers, without any assurance that our products will be designed into a customer's product or qualified by the customer. In such cases, if our product is not designed into or qualified by the customer, we may not recover or realize any return on the capital that we invested and our operating results may be materially adversely affected.

In addition, the time required and costs incurred by us to ramp-up production for new products can be significant. Certain non-recurring costs and expenditures for tooling and other equipment may not be reusable in manufacturing products for other customers or different products for the same customer. Product ramps typically involve greater volumes of scrap and risks to execution such as higher costs due to inefficiencies and delays in production, all of which can have a material adverse effect on our operating results.

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**Risks Related to Operating a Global Business**

***Our foreign operations and supply chain are each subject to various risks that could materially adversely impact our results of operations and financial condition.***

Many of our manufacturing operations, research and development operations, vendors, and suppliers are located outside the United States and if we are unable to successfully manage the risks associated with our global operations, our results of operations and financial condition could be negatively impacted. These risks include:

o labor unrest and strikes, particularly in Asia, where the majority of our manufacturing operations are located;

o earthquakes, tsunamis, floods, and other natural disasters, or catastrophic events (which may occur with more frequency or greater intensity due to climate change), particularly in Asia, where the majority of our manufacturing operations and suppliers are located;

o health crises, including epidemics and pandemics, such as the COVID-19 pandemic, and governmental responses thereto, including by resulting in quarantines, closures, or other disruptions;

o acts of terrorism or armed conflicts;

o political or economic instability;

o government embargoes, trade restrictions, and import and export controls; and

o transportation delays and interruptions.

In addition, increasing focus on environmental, social, and governance ("ESG") responsibility, as well as customer and investor demands, may make our supply chain more complex and may adversely affect our relationships with customers and investors. Some of our customers have adopted, or may adopt, procurement policies that include ESG provisions or requirements that their suppliers should comply with, or they may seek to include such provisions or requirements in their procurement terms and conditions. Also, an increasing number of investors are requiring companies to disclose corporate ESG policies, practices, and metrics. Legal and regulatory requirements, as well as investor expectations, on corporate ESG practices and disclosure, are subject to change, can be unpredictable, and may be difficult and expensive for us to comply with, given the complexity of our supply chain and manufacturing. If we are unable to comply, or are unable to cause our suppliers or contract manufacturers to comply, with such policies or provisions or meet the requirements of our customers and our investors, a customer may stop purchasing products from us or an investor may sell their shares, which could have a material adverse effect on our results of operations and our reputation.

***Global economic conditions and changes in U.S. and international trade policy could materially adversely impact our business, results of operations, and financial position.***

In the past, the Company's business and operating results have been adversely affected by these global economic conditions and remain vulnerable to future adverse impacts. Any prolonged economic deceleration in China may have a material adverse effect on our sales to customers in China, our operating results, and our financial condition.

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Political actions, including trade and/or national security protection policies, or other actions by governments, particularly the U.S. and Chinese governments, have in the past, currently are, and could in the future limit or prevent us from transacting business with certain of our customers or suppliers. The U.S. government has made statements and taken certain actions that have led to, and may lead to further, changes to U.S. and international export and import controls or trade policies, including tariffs affecting certain products exported by a number of U.S. trading partners, including China. In response, many of those trading partners, including China, have imposed or proposed new or higher tariffs on American products. In addition to tariffs, China has a stated policy of reducing its dependence on foreign manufacturers and technology companies. As a consequence of such policy, there are risks that the Chinese government may, among other things, require the use of local suppliers, compel companies that do business in China to partner with local companies to conduct business, which may adversely impact our results of operations and financial condition. Given that the majority of our largest manufacturing facilities are located in China and Southeast Asia, trade policy changes in the United States, China, or other countries, such as tariffs and sanctions would present particular risks for us that could adversely impact our results of operations and financial condition. We cannot predict future foreign trade policy in the United States or other countries, the terms of any new or renegotiated trade agreements or treaties, or tariffs or the impact of such matters on our business. A trade war involving the United States is likely to negatively impact world trade and the world economy in various ways and, consequently, have a material adverse effect on our results of operations and financial condition. To the extent that tariffs, trade restrictions, or sanctions imposed by the United States or other countries increase the price of, affect customer demand for, affect our ability to supply our products, or create adverse tax consequences, in the United States or other countries, our business and our operating results may be adversely affected. As a result, changes in international trade policy, changes in trade agreements, the imposition of tariffs or sanctions by the United States or other countries could materially adversely affect our results of operations and our financial condition.

***Changes to export restrictions and economic sanction laws may adversely affect our operating results.***

As a global company headquartered in the U.S., we are subject to U.S. laws and regulations, including import, export, and economic sanction laws. These laws may include prohibitions on the sale or supply of certain products to embargoed or sanctioned countries, regions, governments, persons, and entities, may require an export license prior to the export of the controlled item, or may otherwise limit and restrict the export of certain products and technologies. Many of our customers and suppliers are foreign companies or have significant foreign operations. The imposition of new or additional economic and trade sanctions against our major customers or suppliers could result in our inability to sell to, and generate revenue from such customers or purchase materials from such suppliers. Although these restrictions and laws have not significantly restricted our operations in the past, there is a risk that they could do so in the future.

As a result of restrictive export laws, our customers may also develop their own solutions to replace our products or seek to obtain a greater supply of similar or substitute products from our competitors that are not subject to these restrictions, which could materially and adversely affect our business and results of operations.

In addition, our association with customers that are or become subject to U.S. regulatory scrutiny or export restrictions could subject us to actual or perceived reputational harm among current or prospective investors, suppliers or customers, customers of our customers, other parties doing business with us, or the general public. Any such reputational harm could result in the loss of investors, suppliers, or customers, which could harm our business, financial condition, operating results, or prospects.

***Fluctuations in commodity prices and foreign currency rates could have a material adverse effect on our operating results and financial condition.***

We use a wide variety of raw materials in our manufacturing operation and are exposed to market risks associated with changes in commodity prices. Changes in commodity prices (from tariffs or otherwise) cannot always be predicted, hedged, or offset with price increases to eliminate earnings volatility. As a result, significant changes in commodity prices, particularly for various precious metals, could have a substantial adverse effect on our financial condition and results of operations.

In addition, we conduct a significant amount of business outside the United States and adverse movements in currency exchange rates, particularly the Malaysian ringgit, the Chinese renminbi (yuan), and the Philippine peso, in any period or periods, could have a material adverse effect on our business and our operating results due to a number of factors, including, among others:

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o our products are manufactured and sold outside the United States which increases our net exposure to changes in foreign exchange rates;

o our products, which are typically sold in U.S. dollars, may become less price-competitive outside the United States as a result of unfavorable foreign exchange rates;

o certain of our revenues that are derived from customer sales denominated in foreign currencies could decrease;

o our foreign suppliers may raise their prices if they are impacted by currency fluctuations, resulting in higher than expected costs and lower margins;

o the cost of materials, products, services, and other expenses outside the United States could be materially impacted by a weakening of the U.S. dollar; and

o a sustained weakening of the U.S. dollar for an extended period could have a material adverse impact on our operating results and financial position.

While we have entered and may in the future enter into derivative financial instruments in an effort to hedge our foreign currency exposure, we remain exposed to the economic risks of foreign currency fluctuations. See the "Risk Management" section of Item 7 for additional discussion of commodity price and foreign currency risks.

**Risks Related to Intellectual Property and Cybersecurity**

***Our revenues and operating results could be materially adversely affected if we are unable to protect or obtain patent and other intellectual property rights or if intellectual property litigation is successful against us.***

We employ various measures to maintain, protect, and defend our intellectual property, including enforcing our intellectual property rights in various jurisdictions and forums throughout the world. However, policing unauthorized use of our products, technologies, and proprietary information is difficult and time consuming and these measures may not prevent our intellectual property from being challenged, invalidated, copied, disclosed, stolen, or circumvented. If we fail to protect our proprietary rights, our competitors might gain access to our technology, which could adversely affect our ability to compete successfully in our markets and harm our operating results. We also may not be successful in litigation or other actions to enforce our intellectual property rights, particularly in countries where intellectual property rights are not highly developed or protected, particularly in Asia, where the majority of our manufacturing operations are located. Litigation, if necessary, may result in retaliatory legal proceedings alleging infringement by us of intellectual property owned by others. We have had and may in the future have difficulty in certain circumstances in protecting or enforcing our intellectual property rights, including collecting royalties for use of certain patents included in our patent portfolio in certain foreign jurisdictions due to, among other things: policies of foreign governments; challenges to our licensing practices under such jurisdictions' competition laws; failure of foreign courts to recognize and enforce judgments of contract breach and damages issued by courts in the United States; and/or challenges pending before foreign patent authorities as to the validity of our patents and those owned by competitors and other parties.

Our competitors or other third parties may also assert infringement or invalidity claims against us in the future. If one of our products is found to infringe on a third party's rights, we may have liability for damages arising out of past infringement and may need to seek a license to use such intellectual property going forward. If a license is not available or if we are unable to obtain a license on terms acceptable to us, we would either have to change our product so that it does not infringe or cease selling the product. Any of these events may have a material adverse effect on our business, operating results, and financial condition.

The expense of protecting, defending, and enforcing our intellectual property, or defending claims that our products, technology, or manufacturing processes infringe the intellectual property rights of others, can vary significantly period to period and, in any given period, could have a material adverse effect on our operating results.

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***Our business and operations could suffer in the event of security breaches, cybersecurity incident, other unauthorized disclosures, or network disruptions.***

While we have taken and continue to actively take measures to protect the various proprietary information, algorithms, source code, and confidential data relating to both our and our customers' business and products that is stored on our computer networks, servers, and peripheral devices, as well as on servers owned or managed by third party vendors whom we leverage, such data and information remains vulnerable to cyber attacks, cyber breaches, theft, or other unauthorized access. These attacks are increasing in their frequency, sophistication, and intensity and are costly to protect against. In addition, many of the techniques used to obtain unauthorized access, including viruses, worms, and other malicious software programs, are difficult to anticipate until launched against a target and we may be unable to implement adequate preventative measures. If successful, such cyber attacks or unauthorized access could result in remedial and other expenses, loss of valuable intellectual property, disclosure of confidential customer or commercial data, disclosure of government classified information, or system disruptions and subject us to civil liability, fines or penalties, damage our brand and reputation or otherwise harm our business, any of which could be material. If any such security breaches occur, there is no assurance that it can be adequately addressed in a timely manner or that any resulting loss, cost, or damage will be recoverable through insurance, legal, or other processes.

Should any security breach result in the disclosure of certain of our customers' or business partners' confidential information, we may incur liability to such customers or business partners under confidentiality agreements that we are party to with such parties. In addition, delayed sales, lower margins, or lost customers resulting from security breaches or network disruptions could materially reduce our revenues, materially increase our expenses, damage our reputation, and have a material adverse effect on our stock price.

There is also a danger of industrial espionage, unauthorized disclosures, theft of information or assets (including source code), or damage to assets by people who have gained unauthorized access to the Company's facilities, systems, or information. Such breaches, misuse, or other disruptions could lead to unauthorized disclosure of confidential or proprietary information or improper usage or sale of the Company's products or intellectual property without compensation and theft, manipulation, and destruction of private and proprietary data, which could result in defective products, production downtimes, lost revenue, or damage to our reputation, and have a material adverse effect on our stock price.

Additionally, any disruption, termination, or substandard provision of our communication networks and IT systems, whether as a result of computer or telecommunication issues (including operational failures, computer viruses, or security breaches), localized conditions (such as power outage, fire, or explosion) or events or circumstances of broader geographic impact (such as earthquake, storm, flood, other natural disaster, epidemic, strike, act of war, civil unrest, or terrorist act), could materially affect our business by disrupting normal operations.

Global privacy legislation, enforcement, and policy activity are rapidly expanding and creating a complex data privacy environment. We are subject to many data privacy, data protection, and data breach notification laws and regulations in the United States and around the world. While we have taken measures to assess the requirements of, and to comply with data privacy legislation, there is the potential for fines and penalties, litigation, and reputational harm in the event of a data breach.

**Risks Related to Our Indebtedness**

***Our credit agreement requires us to comply with certain financial covenants and our failure to comply could have a material adverse effect on our business, financial condition, and results of operations.***

The credit agreement governing our revolving credit facility contains covenants requiring us to, among other things, maintain a minimum ratio of consolidated EBITDA to consolidated interest expense and a maximum ratio of consolidated total indebtedness to consolidated EBITDA. In the past, we have obtained amendments from the lenders under the credit agreement which have allowed us to comply with the financial covenants, but there can be no assurance that in the future the lenders will agree to such amendments, and our inability to comply with the covenants could result in an event of default which, if not cured or waived, could have a material adverse effect on our business, financial condition, and operating results.

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***There are risks associated with our indebtedness, which could have a material adverse effect on our financial condition.***

Our outstanding indebtedness and any additional indebtedness we incur may have negative consequences, including:

o requiring us to use cash to pay the principal of and interest on our indebtedness, thereby reducing the amount of cash flow available for other purposes;

o limiting our ability to obtain additional financing for working capital, capital expenditures, acquisitions, stock repurchases, dividends, or other general corporate and other purposes;

o limiting our flexibility in planning for, or reacting to, changes in our business and our industry; and

o increasing our vulnerability to interest rate fluctuations to the extent a portion of our debt has variable interest rates.

Our ability to make payments of principal and interest on our indebtedness depends upon our future performance, which is subject to general economic conditions, industry cycles, and financial, business, and other factors, many of which are beyond our control. If we are unable to generate sufficient cash flow from operations in the future to service our debt, we may be required to, among other things: refinance or restructure all or a portion of our indebtedness; reduce or delay planned capital or operating expenditures; or sell selected assets. Such measures might not be sufficient to enable us to service our debt. In addition, any such financing, refinancing, or sale of assets might not be available on economically favorable terms or at all, and if prevailing interest rates at the time of any such financing and/or refinancing are higher than our current rates, interest expense related to such financing and/or refinancing would increase. If there are adverse changes in the ratings assigned to our debt securities by credit rating agencies, our borrowing costs, our ability to access debt in the future, and/or the terms of the financing could be adversely affected.

**Risks Related to Our Corporate Governance and Common Stock**

***Our business could be negatively affected as a result of the actions of activist or hostile stockholders.***

Our business could be negatively affected as a result of stockholder activism, which could cause us to incur significant expense, hinder execution of our business strategy, and impact the trading value of our securities. In the past, the Company has been the subject of shareholder activism, and we are subject to the risks associated with any future such activism. Stockholder activism, including potential proxy contests, requires significant time and attention by management and the Board of Directors, potentially interfering with our ability to execute our strategic plan. Additionally, such stockholder activism could give rise to perceived uncertainties as to our future direction, adversely affect our relationships with key executives and business partners, and make it more difficult to attract and retain qualified personnel. Also, we may be required to incur significant legal fees and other expenses related to activist stockholder matters. Any of these impacts could materially and adversely affect our business and operating results. Further, the market price of our common stock could be subject to significant fluctuation or otherwise be adversely affected by stockholder activism.

***Certain provisions in our certificate of incorporation, by-laws, and Delaware law may prevent or delay an acquisition of the Company, which could decrease the trading price of our common stock.***

Each of our certificate of incorporation, our by-laws, and Delaware law, as currently in effect, contain provisions that are intended to deter coercive takeover practices and inadequate takeover bids by making such practices or bids unacceptably expensive to the bidder and to encourage prospective acquirers to negotiate with our Board of Directors rather than to attempt a hostile takeover. These provisions include, among others:

o the inability of our stockholders to call a special meeting or act by written consent;

o rules regarding how stockholders may present proposals or nominate directors for election at stockholder meetings;

o the right of our Board of Directors to issue preferred stock without stockholder approval; and

o the ability of our directors, without a stockholder vote, to fill vacancies on our Board of Directors (including those resulting from an enlargement of the Board of Directors).

In addition, current Delaware law includes provisions which limit the ability of persons that, without prior board approval, acquire more than 15% of the outstanding voting stock of a Delaware corporation from engaging in any business combination with that corporation, including by merger, consolidation, or purchases of additional shares, for a three-year period following the acquisition by such persons of more than 15% of the corporation's outstanding voting stock.

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In light of present circumstances, we believe these provisions taken as a whole protect our stockholders from coercive or otherwise unfair takeover tactics by requiring potential acquirers to negotiate with our Board of Directors and by providing our Board of Directors with more time to assess any acquisition proposal. These provisions are not intended to make us immune from takeovers or prevent changes in the composition of our Board of Directors. However, these provisions could delay or prevent an acquisition that our Board of Directors determines is not in the best interests of the Company and all of our stockholders.

***Our stock price has been and may continue to be volatile and may fluctuate significantly which may adversely impact investor confidence and increase the likelihood of securities class action litigation.***

Our common stock price has experienced substantial volatility in the past and may remain volatile in the future. During 2022, our closing stock price ranged from a high of $23.59 per share to a low of $11.90 per share. Volatility in our stock price can be driven by many factors including divergence between our actual or anticipated financial results and published expectations of analysts or the expectations of the market, market conditions in our industry, announcements that we, our competitors, our vendors, or our customers may make regarding their operating results, technological innovations, and the gain or loss of customers, or key opportunities. Our common stock is also included in certain market indices, and any change in the composition of these indices to exclude our company may adversely affect our stock price. Increased volatility in the financial markets and/or overall economic conditions may reduce the amounts that we realize in the future on our cash equivalents and/or marketable securities and may reduce our earnings as a result of any impairment charges that we record to reduce recorded values of marketable securities to their fair values.

Further, securities class action litigation is often brought against a public company following periods of volatility in the market price of its securities. Due to changes in our stock price, we may be the target of securities litigation in the future. Securities litigation could result in substantial uninsured costs and divert management's attention and our resources.

**ITEM 1B. UNRESOLVED STAFF COMMENTS**

None.

**ITEM 2. PROPERTIES**

Our corporate headquarters is located in Itasca, Illinois. Our material properties used in connection with manufacturing, sales, research and development, and corporate administrative operations, and the segments served at that facility, are as follows:

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| | | | | |
|:---|:---|:---|:---|:---|
| **Location** | **Principal Function(s)** | **Owned or Leased** | **Segment** | **Square Footage (in thousands)** |
| Suzhou, China | Manufacturing and administrative | Leased | PD, MSA, CMM | 495 |
| Cebu, the Philippines | Manufacturing and administrative | Owned | MSA | 215 |
| Penang, Malaysia | Manufacturing and administrative | Owned | MSA, CMM | 187 |
| Cazenovia, New York | Manufacturing, research and development, sales, and administrative | Owned | PD | 133 |
| Itasca, Illinois | Corporate headquarters, research and development, sales, and administrative | Owned | MSA, CMM | 95 |

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We believe that the owned and leased facilities we utilize are well-maintained and suitable for our operations.

**ITEM 3. LEGAL PROCEEDINGS**

For a discussion of contingencies related to legal proceedings, see <u>[Note 15. Commitments and Contingent Liabilities](#i54e8c3bf19e84fed84edbf0504abb5c3_139)</u> to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."

Except as otherwise noted above, there have been no material developments in legal proceedings.

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**ITEM 4. MINE SAFETY DISCLOSURES**

Not applicable.

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**<u>INFORMATION ABOUT OUR EXECUTIVE OFFICERS</u>**

The following sets forth information regarding our executive officers, as of February 9, 2023.

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| | | |
|:---|:---|:---|
| **Name** | **Age** | **Position** |
| Jeffrey S. Niew | 56 | President & Chief Executive Officer |
| John S. Anderson | 59 | Senior Vice President & Chief Financial Officer |
| Raymond D. Cabrera | 56 | Senior Vice President, Human Resources & Chief Administrative Officer |
| Daniel J. Giesecke | 55 | Senior Vice President & Chief Operating Officer |
| Robert J. Perna | 59 | Senior Vice President, General Counsel & Secretary |

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Jeffrey S. Niew has served as President & Chief Executive Officer since September 2013 and as a member of our Board of Directors since February 2014. From November 2011 until we were spun-off from Dover Corporation in February 2014, Mr. Niew served as a Vice President of Dover Corporation and as President and Chief Executive Officer of Dover Communication Technologies. Mr. Niew joined Knowles Electronics LLC ("Knowles Electronics") in May 2000 and became Chief Operating Officer in January 2007, President in January 2008, and President and Chief Executive Officer in February 2010. Prior to joining Knowles Electronics, Mr. Niew was employed by Littelfuse, Inc., from 1995 to 2000, where he held various positions in product management, sales, and engineering in the Electronic Products group and by Hewlett-Packard Company, from 1988 to 1994, where he served in various engineering and product management roles in the Optoelectronics Group in California.

John S. Anderson has served as Senior Vice President & Chief Financial Officer since December 2013. From January 2013 until we were spun-off from Dover Corporation in February 2014, Mr. Anderson served as Vice President and Chief Financial Officer of Dover Communication Technologies. Previously, Mr. Anderson served as Vice President and Chief Financial Officer of Dover Energy (August 2010 to January 2013) and Vice President and Chief Financial Officer of Dover Fluid Management (October 2009 to August 2010). Previous experience includes the roles of Corporate Controller and Director Financial Planning & Analysis for Sauer-Danfoss Inc. (October 2004 to October 2009) and Director of Finance and Controller for Borg Warner Turbo Systems GmbH (August 2002 to October 2004).

Raymond D. Cabrera has served as Senior Vice President, Human Resources & Chief Administrative Officer since February 2014. From November 2011 until we were spun-off from Dover Corporation in February 2014, Mr. Cabrera served as Vice President, Human Resources of Dover Communication Technologies. Previously, Mr. Cabrera served in the following capacities at Knowles: as Vice President, Human Resources and Chief Administrative Officer (January 2004 to November 2011), Vice President, Human Resources (March 2000 to January 2004), and Director, Human Resources (June 1997 to March 2000) of Knowles Electronics.

Daniel J. Giesecke has served as Senior Vice President & Chief Operating Officer since February 2014. From January 2012 until we were spun-off from Dover Corporation in February 2014, Mr. Giesecke served as Vice President, Global Operations of Dover Communication Technologies. Previously, Mr. Giesecke served as Vice President, Advanced Manufacturing Engineering, Knowles Electronics (February 2009 to January 2012), Senior Director, Advanced Manufacturing Engineering, Knowles Electronics (January 2008 to February 2009), Director of Engineering Operations, Knowles Electronics (November 2003 to January 2008), and various operations, supply chain, and engineering positions since he joined Knowles Electronics in 1995.

Robert J. Perna has served as Senior Vice President, General Counsel & Secretary since May 2019. Prior to joining Knowles, Mr. Perna served as Senior Vice President and Chief Legal Officer of The AZEK Company, a manufacturer of commercial and residential building products (November 2018 to April 2019) and as Senior Vice President, General Counsel and Secretary of Rockwell Collins, Inc., a leading producer of cabin interior, communications and aviation systems for the aerospace and defense industry (January 2014 to November 2018). In addition, he served as Vice President, General Counsel and Secretary at A. M. Castle & Co., a specialty metals and plastics distributor and value-added processor (November 2008 to January 2014) and held various in-house legal positions at CNH Global, Navistar International and GE Capital Rail Services.

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**PART II**

**ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS, AND ISSUER PURCHASES OF EQUITY SECURITIES**

**Market Information**

Our common stock is listed on the New York Stock Exchange ("NYSE") under the ticker symbol "KN".

**Dividends**

Since our common stock began trading on the NYSE, we have not paid cash dividends and we do not anticipate paying a cash dividend on our common stock in the immediate future. Any determination to pay dividends in the future will be at the discretion of our Board of Directors and will depend on many factors, such as our financial condition, earnings, capital requirements, debt service obligations, industry practice, legal requirements, regulatory constraints, and other factors that the Board of Directors deems relevant. Our ability to pay dividends will depend on our ongoing ability to generate cash from operations and access to the capital markets.

**Holders**

The number of holders of record of our common stock as of February 7, 2023 was approximately 750.

**Recent Sales of Unregistered Securities**

None.

**Issuer Purchases of Equity Securities**

On February 24, 2020, the Company announced that its Board of Directors had authorized a share repurchase program of up to $100 million of the Company's common stock. On April 28, 2022, the Company announced that its Board of Directors had increased the authorization by up to $150 million in additional aggregate value. The timing and amount of any shares repurchased will be determined by the Company based on its evaluation of market conditions and other factors, and will be made in accordance with applicable securities laws in either the open market or in privately negotiated transactions. The Company is not obligated to purchase any shares under the program, and the program may be suspended or discontinued at any time. The actual timing, number, and share price of shares repurchased will depend on a number of factors, including the market price of the Company's common stock, general market and economic conditions, and applicable legal requirements. Any shares repurchased will be held as treasury stock.

The Company did not repurchase any shares of its common stock during the three months ended December 31, 2022. As of December 31, 2022, the remaining amount authorized for share repurchases was $145.2 million.

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**Performance Graph** 

*This performance graph does not constitute soliciting material, is not deemed filed with the SEC, and is not incorporated by reference in any of our filings under the Securities Act or the Exchange Act, whether made before or after the date of this Annual Report on Form 10-K and irrespective of any general incorporation language in any such filing, except to the extent we specifically incorporate this performance graph by reference therein.*

![kn-20221231_g1.jpg](kn-20221231_g1.jpg)

Data Source: NYSE

\*Total return assumes reinvestment of dividends.

The graph assumes $100 invested on December 31, 2017 in Knowles Corporation common stock, the PHLX / Semiconductor Sector Index, Dow Jones U.S. Electrical Components & Equipment, and the Russell 2000. Going forward, the Company intends to replace the PHLX Semiconductor Index used in the performance graph in prior fiscal years with the Dow Jones U.S. Electrical Components & Equipment Index. We selected the Dow Jones U.S. Electrical Components & Equipment Index because we believe there is a more meaningful and representative comparison between our company and the numerous and diversified companies on that index.

**ITEM 6. [RESERVED]**

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**ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS**

The discussion and analysis presented below refer to and should be read in conjunction with our audited Consolidated Financial Statements and related notes under Item 8. "Financial Statements and Supplementary Data." The following discussion contains forward-looking statements. The matters discussed in these forward-looking statements are subject to risks, uncertainties, and other factors that could cause actual results to differ materially from those made, projected, or implied in the forward-looking statements. Factors that could cause or contribute to these differences include those discussed below and elsewhere in this Form 10-K, particularly in "Risk Factors" and "Cautionary Statement Concerning Forward-Looking Statements."

Management's discussion and analysis, which we refer to as "MD&A," of our results of operations, financial condition, and cash flows should be read together with the audited Consolidated Financial Statements and accompanying notes included under Item 8. "Financial Statements and Supplementary Data," to provide an understanding of our financial condition, changes in financial condition, and results of our operations. We believe the assumptions underlying the Consolidated Financial Statements are reasonable. However, the Consolidated Financial Statements included herein may not necessarily reflect our results of operations, financial position, and cash flows in the future.

As discussed in Note 2. Disposed and Discontinued Operations to our audited Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data", we completed the sale of our high-end oscillators business ("Timing Device Business") in the fourth quarter of 2017 and the sale of our speaker and receiver product line ("Speaker and Receiver Product Line") in the third quarter of 2016. Accordingly, the results of operations and related assets and liabilities for the Timing Device Business and the Speaker and Receiver Product Line have been reclassified as discontinued operations for all periods presented. Unless otherwise indicated, discussion within this MD&A and elsewhere within this Annual Report on Form 10-K refers to results from continuing operations.

**Our Business**

We are a market leader and global provider of advanced micro-acoustic microphones and balanced armature speakers, audio solutions, and high performance capacitors and radio frequency ("RF") filtering products, serving the medtech, defense, consumer electronics, electric vehicle, industrial, and communications markets. Our focus on the customer, combined with unique technology, proprietary manufacturing techniques, and global operational expertise, enables us to deliver innovative solutions across multiple applications. References to "Knowles," the "Company," "we," "our," or "us" refer to Knowles Corporation and its consolidated subsidiaries, unless the context otherwise requires.

**Our Business Segments**

During the fourth quarter of 2022, we determined each operating segment represents a single reportable segment; thus, we now report three segments. These segments were determined in accordance with Financial Accounting Standards Board Accounting Standards Codification 280 - Segment Reporting and are comprised of (i) PD, (ii) MSA, and (iii) CMM. The segments are aligned around similar product applications serving our key end markets to enhance focus on end market growth strategies.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• PD Segment

Our PD segment specializes in the design and delivery of high performance capacitor products and RF solutions primarily serving the defense, medtech, electric vehicle, and industrial markets. PD has sales, support, and engineering facilities in North America, Europe, and Asia as well as manufacturing facilities in North America and Asia.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• MSA Segment

Our MSA segment designs and manufactures microphones and balanced armature speakers used in applications that serve the hearing health and premium audio markets. MSA has sales, support, and engineering facilities in North America, Europe, and Asia, as well as manufacturing facilities in Asia.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• CMM Segment

Our CMM segment designs and manufactures micro-electro-mechanical systems ("MEMS") microphones and audio solutions used in applications that primarily serve the ear, Internet of Things ("IoT"), computing, and smartphone markets. CMM has sales, support, and engineering facilities in North America, Europe, and Asia, as well as manufacturing facilities in Asia.

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We sell our products directly to original equipment manufacturers ("OEMs"), their contract manufacturers, suppliers, and through sales representatives and distributors worldwide.

Revenues for the year ended December 31, 2022 were significantly impacted by lower consumer electronics end market demand and an inventory correction in both consumer electronics and hearing health markets in the second half of 2022. As a result, the Company offered financial incentives to customers in the fourth quarter of 2022 for certain dual-sourced products. The Company expects continued weak consumer end market demand and customer inventory adjustments in the first quarter of 2023. The additional revenues as a result of these financial incentives in the fourth quarter of 2022 were less than 2% of revenues for the year ended December 31, 2022 and could have an unfavorable impact to revenues in the first quarter of 2023.

**COVID-19 Impact**

The COVID-19 pandemic continues to have widespread, rapidly-evolving, and unpredictable impacts in the U.S. and international markets. During 2022, continued containment and mitigation measures, particularly in China, resulted in global business disruption. These measures have impacted our business operations, results of operations, customer demand, and the productivity of our facilities.

The situation related to COVID-19 continues to be complex and dynamic. We cannot reasonably estimate the duration of the pandemic or fully ascertain its impact to our future results. As the COVID-19 pandemic evolves, we will continue to actively monitor developments and business conditions and may take actions that alter business operations as may be required by applicable authorities or that we determine are in the best interests of our employees, customers, suppliers, stockholders, and communities. It is not clear what potential effects any such alterations or modifications may have on our business, including the effects on our financial results.

For discussion related to the results of operations and changes in financial condition for the year ended December 31, 2021 compared to the year ended December 31, 2020, refer to Part II, Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the year ended December 31, 2021, which was filed with the SEC on February 9, 2022.

**Non-GAAP Financial Measures**

In addition to the GAAP financial measures included in this item, we have presented certain non-GAAP financial measures. We use non-GAAP measures as supplements to our GAAP results of operations in evaluating certain aspects of our business, and our executive management team and Board of Directors focus on non-GAAP items as key measures of our performance for business planning purposes. These measures assist us in comparing our performance between various reporting periods on a consistent basis, as these measures remove from operating results the impact of items that, in our opinion, do not reflect our core operating performance. We believe that our presentation of non-GAAP financial measures is useful because it provides investors and securities analysts with the same information that we use internally for purposes of assessing our core operating performance. The Company does not consider these non-GAAP financial measures to be a substitute for the information provided by GAAP financial results. For a reconciliation of these non-GAAP financial measures to the most directly comparable GAAP financial measures, see the reconciliation included herein.

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**<u>Results of Operations for the Year Ended December 31, 2022 compared with the Year Ended December 31, 2021</u>**

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
|<br>*(in millions, except per share amounts)* | **2022** | **2021** | **2020** |
| Revenues | $764.7 | $868.1 | $764.3 |
| Gross profit | $276.3 | $359.5 | $271.2 |
| Non-GAAP gross profit | $310.1 | $362.1 | $275.4 |
| (Loss) earnings from continuing operations before interest and income taxes | $(414.3) | $118.8 | $27.7 |
| Adjusted earnings from continuing operations before interest and income taxes | $142.4 | $174.3 | $79.3 |
| Provision (benefit from) for income taxes | $11.9 | $(45.6) | $8.4 |
| Non-GAAP provision for income taxes | $19.2 | $19.8 | $7.1 |
| (Loss) earnings from continuing operations | $(430.1) | $150.2 | $2.9 |
| Non-GAAP net earnings | $119.3 | $146.9 | $63.2 |
| Diluted (loss) earnings per share from continuing operations | $(4.69) | $1.59 | $0.03 |
| Non-GAAP diluted earnings per share | $1.26 | $1.53 | $0.67 |

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***Revenues***

Revenues for the year ended December 31, 2022 were $764.7 million, compared with $868.1 million for the year ended December 31, 2021, a decrease of $103.4 million or 11.9%. CMM revenues decreased $143.8 million, primarily due to lower demand for MEMS microphones in the mobile, computing, and IoT markets. The decreases in these markets were primarily driven by weak global demand for consumer electronics, COVID-19 related shutdowns in China, excess inventory in the supply chain, and our shift away from commoditized products, partially offset by higher shipping volumes associated with customer incentives. CMM revenues were also impacted by lower average pricing on mature products. MSA revenues decreased $1.4 million, primarily due to lower average pricing on mature products and lower demand for premium audio products, partially offset by higher shipping volumes into the hearing health market, which were associated with customer incentives. PD revenues increased $41.8 million due to growth from the defense, medtech, communications, and industrial markets, along with our acquisition of IMC.

***Cost of Goods Sold***

Cost of goods sold ("COGS") for the year ended December 31, 2022 was $456.2 million, compared with $508.6 million for the year ended December 31, 2021, a decrease of $52.4 million or 10.3%. This decrease was primarily due to lower shipping volumes, product cost reductions, benefits of the CMM restructuring actions, and favorable foreign currency exchange rate changes, partially offset by lower factory capacity utilization in our CMM segment.

***Restructuring Charges***

We undertake restructuring programs from time to time to better align our operations with current market conditions. Such activities include facility consolidations, headcount reductions, and other measures to further optimize operations. We may have restructuring charges in the future as we continuously evaluate our operational footprint. Details regarding restructuring programs undertaken during the reporting period are as follows:

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During the year ended December 31, 2022, we committed to two restructuring programs within our CMM segment designed to rightsize manufacturing capacity and operating expenses in the MEMS microphones product line. These actions were taken in light of the current decline in demand and the reduction in the expected future growth for global consumer electronics. In addition, these restructuring programs further the Company's previously announced strategy to reduce exposure to commodity microphones and increase emphasis on high-value solutions. These actions resulted in the settlement of supplier obligations, non-cash fixed asset write-offs, and severance pay. We recorded restructuring charges of $39.0 million related to these actions and $0.6 million for other costs. In addition, we recorded restructuring charges of $2.2 million to rationalize the Intelligent Audio product line workforce, which is also included within the CMM segment. As a result, we recorded total restructuring charges of $32.2 million within Gross profit and $9.6 million within Operating expenses. For additional information, refer to Note 10. Restructuring and Related Activities to our Consolidated Financial Statements.

During the year ended December 31, 2021, there were $0.5 million in restructuring charges within Operating expenses related to a reduction in workforce. These charges were primarily for actions associated with our Intelligent Audio product line, which is included in our CMM segment.

***Gross Profit and Non-GAAP Gross Profit***

Gross profit for the year ended December 31, 2022 was $276.3 million, compared with $359.5 million for the year ended December 31, 2021, a decrease of $83.2 million or 23.1%. Gross profit margin (gross profit as a percentage of revenues) for the year ended December 31, 2022 was 36.1%, compared with 41.4% for the year ended December 31, 2021. The decreases were primarily due to restructuring charges, lower factory capacity utilization in our CMM segment, and lower average pricing on mature products, partially offset by product cost reductions, benefits of the CMM segment restructuring actions, and net favorable foreign currency exchange rate changes.

Non-GAAP gross profit for the year ended December 31, 2022 was $310.1 million, compared with $362.1 million for the year ended December 31, 2021, a decrease of $52.0 million or 14.4%. Non-GAAP gross profit margin (non-GAAP gross profit as a percentage of revenues) for the year ended December 31, 2022 was 40.6%, compared with 41.7% for the year ended December 31, 2021. The decreases were primarily due to lower factory capacity utilization in our CMM segment and lower average pricing on mature products, partially offset by product cost reductions, benefits of the CMM segment restructuring actions, and net favorable foreign currency exchange rate changes.

***Research and Development Expenses***

Research and development expenses for the years ended December 31, 2022 and 2021 were $81.7 million and $92.8 million, respectively, a decrease of $11.1 million or 12.0%. Research and development expenses as a percentage of revenues for the years ended December 31, 2022 and 2021 were 10.7%. The decrease in expenses was primarily driven by reduced development activities and lower incentive compensation costs in our CMM segment, partially offset by increased development activities in our PD and MSA segments.

***Selling and Administrative Expenses***

Selling and administrative expenses for the year ended December 31, 2022 were $128.9 million, compared with $146.4 million for the year ended December 31, 2021, a decrease of $17.5 million or 12.0%. Selling and administrative expenses as a percentage of revenues for the year ended December 31, 2022 and 2021 were 16.9%. The decrease in expenses were primarily driven by lower incentive compensation costs, intangible amortization, stock-based compensation, a reduction of our deferred compensation liability, and lower legal expenses related to the protection of our intellectual property. For additional information on stock-based compensation, refer to Note 14. Equity Incentive Program to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data." These decreases were partially offset by the normal operational expenses related to our IMC acquisition and increased travel activity.

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***Impairment Charges***

Impairment charges for the year ended December 31, 2022 were $470.9 million, related to goodwill impairment charges for the CMM reporting unit. The impairment charges for the year ended December 31, 2021 were $4.0 million and related to facilities in our Intelligent Audio product line. For additional information related to these impairment charges, refer to Note 4. Impairment Charges to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."

***Interest Expense, net***

Interest expense, net for the year ended December 31, 2022 was $3.9 million, compared with $14.2 million for the year ended December 31, 2021, a decrease of $10.3 million or 72.5%. The decrease was primarily due to lower outstanding borrowings. For additional information on borrowings and interest expense, refer to Note 12. Borrowings to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."

***Other Income, net***

Other income for the year ended December 31, 2022 was $0.5 million, compared with income of $3.0 million for the year ended December 31, 2021, a change of $2.5 million. The change is primarily due an adjustment to pre-spin-off pension obligations and the unrealized losses in our investment balances, partially offset by favorable impacts from foreign currency exchange rate changes.

***Provision for (Benefit from) Income Taxes and Non-GAAP Provision for Income Taxes***

The effective tax rate ("ETR") for the year ended December 31, 2022 was (2.8)% or a $11.9 million tax provision, compared with (43.6)% or a $45.6 million tax benefit for the year ended December 31, 2021. The change in the ETR was primarily due to the nondeductible goodwill impairment recorded during 2022 compared to the $59.1 million benefit in 2021 related to the release of a significant portion of the valuation allowance in the U.S. The change in ETR was also impacted by the mix of earnings and losses by taxing jurisdictions.

The non-GAAP ETR for the year ended December 31, 2022 was 13.9% or a $19.2 million tax provision, compared with 11.9% or a $19.8 million tax provision for the year ended December 31, 2021. The increase in the non-GAAP ETR was primarily due to the mix of earnings and losses by taxing jurisdictions, combined with lowered earnings in taxing jurisdictions with tax holidays.

The ETR and non-GAAP ETR deviate from the statutory U.S. federal income tax rate, mainly due to the taxing jurisdictions where we generate taxable income or loss and the favorable impact of our tax holidays in Malaysia and China. During the fourth quarter of 2021, our existing significant tax holiday in Malaysia was extended through December 31, 2026, while our tax holiday in China granted during 2022 will expire on December 31, 2023. In order to maintain these reduced rates, the Company is subject to our annual satisfaction of certain conditions. The conditions related to our Chinese holiday were met, however, as a result of the rapid decline in current demand for global consumer electronics during 2022, we will not satisfy all the conditions of our tax holiday in Malaysia. As such, we are not including this tax holiday benefit in our 2022 GAAP effective tax rate. We are currently in appeal discussions with the Malaysian tax authorities regarding revised conditions. The Company has no reason to believe that it will not be successful in negotiating revised conditions with the Malaysian tax authorities to secure a favorable rate in the jurisdiction through 2026. However, there can be no assurance that we will be successful in reaching an agreement with the Malaysian authorities. If we are unsuccessful in reaching an agreement to extend our tax holiday in Malaysia, we anticipate that our effective tax rate in future years will be negatively impacted. For additional information on these tax holidays, see Note 13. Income Taxes to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."

***(Loss) Earnings from Continuing Operations***

Loss from continuing operations for the year ended December 31, 2022 was $430.1 million, compared with earnings of $150.2 million for the year ended December 31, 2021, a decrease of $580.3 million. As described above, the decrease is primarily due to increased impairment charges and lower gross profit.

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***(Loss) Earnings and Adjusted Earnings from Continuing Operations Before Interest and Income Taxes***

Loss before interest and income taxes from continuing operations for the year ended December 31, 2022 was $414.3 million, compared with earnings of $118.8 million for the year ended December 31, 2021, a decrease of $533.1 million or 448.7%. (Loss) earnings from continuing operations before interest and income taxes ("EBIT") margin (EBIT from continuing operations as a percentage of revenues) for the year ended December 31, 2022 was (54.2)%, compared with 13.7% for the year ended December 31, 2021. The decrease was primarily due to increased impairment charges and lower gross profit.

Adjusted earnings before interest and income taxes ("Adjusted EBIT") from continuing operations for the year ended December 31, 2022 was $142.4 million, compared with $174.3 million for the year ended December 31, 2021, a decrease of $31.9 million or 18.3%. Adjusted EBIT margin (adjusted EBIT from continuing operations as a percentage of revenues) for the year ended December 31, 2022 was 18.6%, compared with 20.1% for the year ended December 31, 2021. The decrease in Adjusted EBIT and Adjusted EBIT margin was primarily due to lower non-GAAP gross profit, partially offset by lower non-GAAP operating expenses.

***Earnings from Discontinued Operations, net***

There was no activity during 2022. We recorded a tax benefit of $0.2 million for the year ended December 31, 2021, related to the Speaker and Receiver Product Line.

***Diluted (Loss) Earnings per Share from Continuing Operations and Non-GAAP Diluted Earnings per Share***

Diluted loss per share from continuing operations was $4.69 for the year ended December 31, 2022, compared with earnings of $1.59 for the year ended December 31, 2021, a decrease of $6.28. As described above, the decrease was primarily due to increased impairment charges and lower gross profit.

Non-GAAP diluted earnings per share for the year ended December 31, 2022 was $1.26, compared with $1.53 for the year ended December 31, 2021, a decrease of $0.27. As described above, the decrease was primarily due to lower non-GAAP gross profit, partially offset by lower non-GAAP operating expenses.

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**Reconciliation of GAAP Financial Measures to Non-GAAP Financial Measures** <sup>(1)</sup>

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
|<br>*(in millions, except per share amounts)* | **2022** | **2021** | **2020** |
| Gross profit | $276.3 | $359.5 | $271.2 |
| &nbsp;&nbsp;&nbsp;Stock-based compensation expense | 1.6 | 1.6 | 1.7 |
| &nbsp;&nbsp;&nbsp;Restructuring charges | 32.2 |  | 2.3 |
| &nbsp;&nbsp;Production transfer costs <sup>(2)</sup> |  |  | 0.2 |
| &nbsp;&nbsp;Other <sup>(3)</sup> |  | 1.0 |  |
| Non-GAAP gross profit | $310.1 | $362.1 | $275.4 |
| (Loss) earnings from continuing operations | $(430.1) | $150.2 | $2.9 |
| &nbsp;&nbsp;&nbsp;&nbsp;Interest expense, net | 3.9 | 14.2 | 16.4 |
| &nbsp;&nbsp;&nbsp;&nbsp;Provision for (benefit from) income taxes | 11.9 | (45.6) | 8.4 |
| (Loss) earnings from continuing operations before interest and income taxes | (414.3) | 118.8 | 27.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;Stock-based compensation expense | 28.6 | 32.1 | 17.3 |
| &nbsp;&nbsp;&nbsp;&nbsp;Intangibles amortization expense | 12.2 | 15.9 | 13.0 |
| &nbsp;&nbsp;&nbsp;&nbsp;Impairment charges | 470.9 | 4.0 | 7.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;Restructuring charges | 41.8 | 0.5 | 12.3 |
| &nbsp;&nbsp;&nbsp;&nbsp;Production transfer costs <sup>(2)</sup> |  |  | 0.2 |
| &nbsp;&nbsp;&nbsp;&nbsp;Other <sup>(3)</sup> | 3.2 | 3.0 | 1.2 |
| Adjusted earnings from continuing operations before interest and income taxes | $142.4 | $174.3 | $79.3 |
| Interest expense, net | $3.9 | $14.2 | $16.4 |
| &nbsp;&nbsp;Interest expense, net non-GAAP reconciling adjustments <sup>(4)</sup> |  | 6.6 | 7.4 |
| Non-GAAP interest expense | $3.9 | $7.6 | $9.0 |
| Provision for (benefit from) income taxes | $11.9 | $(45.6) | $8.4 |
| &nbsp;&nbsp;&nbsp;&nbsp;Income tax effects of non-GAAP reconciling adjustments <sup>(5)</sup> | 7.3 | 65.4 | (1.3) |
| Non-GAAP provision for income taxes | $19.2 | $19.8 | $7.1 |
| (Loss) earnings from continuing operations | $(430.1) | $150.2 | $2.9 |
| &nbsp;&nbsp;&nbsp;&nbsp;Non-GAAP reconciling adjustments <sup>(6)</sup> | 556.7 | 55.5 | 51.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;Interest expense, net non-GAAP reconciling adjustments <sup>(4)</sup> |  | 6.6 | 7.4 |
| &nbsp;&nbsp;&nbsp;&nbsp;Income tax effects of non-GAAP reconciling adjustments <sup>(5)</sup> | 7.3 | 65.4 | (1.3) |
| Non-GAAP net earnings | $119.3 | $146.9 | $63.2 |
| Diluted (loss) earnings per share from continuing operations | $(4.69) | $1.59 | $0.03 |
| &nbsp;&nbsp;&nbsp;&nbsp;Earnings per share non-GAAP reconciling adjustment | 5.95 | (0.06) | 0.64 |
| Non-GAAP diluted earnings per share | $1.26 | $1.53 | $0.67 |
| Diluted average shares outstanding | 91.7 | 94.7 | 92.9 |
| &nbsp;&nbsp;&nbsp;&nbsp;Non-GAAP adjustment <sup>(7)</sup> | 2.9 | 1.1 | 1.5 |
| Non-GAAP diluted average shares outstanding <sup>(7)</sup> | 94.6 | 95.8 | 94.4 |

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<sup>(1)</sup> In addition to the GAAP financial measures included herein, Knowles has presented certain non-GAAP financial measures that exclude certain amounts that are included in the most directly comparable GAAP measures. Knowles believes that non-GAAP measures are useful as supplements to its GAAP results of operations to evaluate certain aspects of its operations and financial performance, and its management team primarily focuses on non-GAAP items in evaluating Knowles' performance for business planning purposes. Knowles also believes that these measures assist it with comparing its performance between various reporting periods on a consistent basis, as these measures remove from operating results the impact of items that, in Knowles' opinion, do not reflect its core operating performance. Knowles believes that its presentation of non-GAAP financial measures is useful because it provides investors and securities analysts with the same information that Knowles uses internally for purposes of assessing its core operating performance.

<sup>(2)&nbsp;&nbsp;&nbsp;&nbsp;</sup>Production transfer costs represent duplicate costs incurred to migrate manufacturing to facilities primarily in Asia. These amounts are included in the corresponding Gross profit and Earnings from continuing operations before interest and income taxes for each period presented.

<sup>(3)</sup> &nbsp;&nbsp;&nbsp;&nbsp;In 2022, Other expenses represent an adjustment to pre-spin-off pension obligations of $3.4 million, which was recorded during the second quarter of 2022 in the Other (income) expense, net line on the Consolidated Statements of Earnings, and the ongoing net lease cost related to facilities not used in operations. In 2021, Other expenses represent the ongoing net lease cost related to facilities not used in operations and expenses related to the acquisition of IMC by the PD segment. In 2020, Other expenses represent the ongoing net lease cost related to facilities not used in operations and expenses related to shareholder activism.

<sup>(4)</sup> Under GAAP in effect for the Company through 2021, certain convertible debt instruments that may be settled in cash (or other assets) upon conversion were required to be separately accounted for as liability (debt) and equity (conversion option) components of the instrument in a manner that reflected the issuer's nonconvertible debt borrowing rate. Accordingly, for GAAP purposes we were required to recognize imputed interest expense on the Company's $172.5 million of convertible senior notes due November 1, 2021 that were issued in a private placement in May 2016. The imputed interest rate for the convertible notes was 8.12%, while the actual coupon interest rate of the notes was 3.25%. The difference between the imputed interest expense and the coupon interest expense was excluded from management's assessment of the Company's operating performance because management believes that this non-cash expense was not indicative of its core, ongoing operating performance.

<sup>(5)</sup> &nbsp;&nbsp;&nbsp;&nbsp;Income tax effects of non-GAAP reconciling adjustments are calculated using the applicable tax rates in the jurisdictions of the underlying adjustments. In 2021, these adjustments include a valuation allowance release of $59.1 million for our U.S. subsidiaries.

<sup>(6)</sup> &nbsp;&nbsp;&nbsp;&nbsp;The non-GAAP reconciling adjustments are those adjustments made to reconcile (Loss) earnings from continuing operations before interest and income taxes to Adjusted earnings from continuing operations before interest and income taxes.

<sup>(7)</sup> &nbsp;&nbsp;&nbsp;&nbsp;The number of shares used in the diluted per share calculations on a non-GAAP basis excludes the impact of stock-based compensation expense expected to be incurred in future periods and not yet recognized in the financial statements, which would otherwise be assumed to be used to repurchase shares under the GAAP treasury stock method. In addition, the Company entered into convertible note hedge transactions that expired upon maturity of the convertible notes to offset any potential dilution from the convertible notes. Although the anti-dilutive impact of the convertible note hedges is not reflected under GAAP, the Company includes the anti-dilutive impact of the convertible note hedges in non-GAAP diluted average shares outstanding, if applicable.

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**<u>Segment Results of Operations for the Year Ended December 31, 2022 Compared with the Year Ended December 31, 2021</u>**

**Precision Devices**

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| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
|<br>*(in millions)* | **2022** | **Percent of Revenues** | **2021** | **Percent of Revenues** | **2020** | **Percent of Revenues** |
| Revenues | $242.9 |  | $201.1 |  | $173.1 |  |
| Earnings from continuing operations before interest and income taxes | $56.1 | 23.1% | $43.7 | 21.7% | $31.7 | 18.3% |
| &nbsp;&nbsp;&nbsp;&nbsp;Stock-based compensation expense | 2.6 |  | 2.7 |  | 0.8 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Intangibles amortization expense | 5.8 |  | 5.0 |  | 2.4 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Restructuring charges |  |  | 0.1 |  | 0.1 |  |
| &nbsp;&nbsp;Production transfer costs <sup>(1)</sup> |  |  |  |  | 0.2 |  |
| &nbsp;&nbsp;Other <sup>(2)</sup> | 3.4 |  | 1.0 |  |  |  |
| Adjusted earnings from continuing operations before interest and income taxes | $67.9 | 28.0% | $52.5 | 26.1% | $35.2 | 20.3% |
| <sup>(1)</sup> Production transfer costs represent duplicate costs incurred to migrate manufacturing to existing facilities. | <sup>(1)</sup> Production transfer costs represent duplicate costs incurred to migrate manufacturing to existing facilities. | <sup>(1)</sup> Production transfer costs represent duplicate costs incurred to migrate manufacturing to existing facilities. | <sup>(1)</sup> Production transfer costs represent duplicate costs incurred to migrate manufacturing to existing facilities. | <sup>(1)</sup> Production transfer costs represent duplicate costs incurred to migrate manufacturing to existing facilities. | <sup>(1)</sup> Production transfer costs represent duplicate costs incurred to migrate manufacturing to existing facilities. | <sup>(1)</sup> Production transfer costs represent duplicate costs incurred to migrate manufacturing to existing facilities. |
| <sup>(2)</sup> 2022 expenses represent an adjustment to pre-spin-off pension obligations. 2021 expenses relate to the acquisition of IMC. | <sup>(2)</sup> 2022 expenses represent an adjustment to pre-spin-off pension obligations. 2021 expenses relate to the acquisition of IMC. | <sup>(2)</sup> 2022 expenses represent an adjustment to pre-spin-off pension obligations. 2021 expenses relate to the acquisition of IMC. | <sup>(2)</sup> 2022 expenses represent an adjustment to pre-spin-off pension obligations. 2021 expenses relate to the acquisition of IMC. | <sup>(2)</sup> 2022 expenses represent an adjustment to pre-spin-off pension obligations. 2021 expenses relate to the acquisition of IMC. | <sup>(2)</sup> 2022 expenses represent an adjustment to pre-spin-off pension obligations. 2021 expenses relate to the acquisition of IMC. | <sup>(2)</sup> 2022 expenses represent an adjustment to pre-spin-off pension obligations. 2021 expenses relate to the acquisition of IMC. |

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***Revenues***

*2022 Versus 2021*

PD revenues were $242.9 million for the year ended December 31, 2022, compared with $201.1 million for the year ended December 31, 2021, an increase of $41.8 million or 20.8%. Revenues increased due to growth from the defense, medtech, communications, and industrial markets, along with our acquisition of IMC.

*2021 Versus 2020*

PD revenues were $201.1 million for the year ended December 31, 2021, compared with $173.1 million for the year ended December 31, 2020, an increase of $28.0 million or 16.2%. Revenues increased due to organic growth and our acquisition of IMC. The organic growth was driven by higher demand from the industrial, medtech, and electric vehicle markets, partially offset by decreased demand in the communications and defense markets. The medtech market, which includes our high-reliability products used in implantable devices and MRI machines, was impacted by the COVID-19 pandemic in the previous period as hospitals had reduced elective procedures. The demand for our medtech products has returned to pre-pandemic levels.

***Earnings and Adjusted Earnings from Continuing Operations Before Interest and Income Taxes***

*2022 Versus 2021*

PD EBIT from continuing operations was $56.1 million for the year ended December 31, 2022, compared with $43.7 million for the year ended December 31, 2021, an increase of $12.4 million or 28.4%. EBIT margin for the year ended December 31, 2022 was 23.1%, compared with 21.7% for the year ended December 31, 2021. The increases were primarily due to higher revenues and higher gross profit margins, partially offset by an increase in operating expenses and an adjustment to pre-spin-off pension obligations. The gross profit margin increase was primarily driven by product cost reductions, contributions from our acquisition of IMC, and favorable product mix.

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PD Adjusted EBIT was $67.9 million for the year ended December 31, 2022, compared with $52.5 million for the year ended December 31, 2021, an increase of $15.4 million or 29.3%. Adjusted EBIT margin for the year ended December 31, 2022 was 28.0%, compared with 26.1% for the year ended December 31, 2021. The increases were primarily due to higher revenues and higher non-GAAP gross profit margins, partially offset by an increase in non-GAAP operating expenses. The non-GAAP gross profit margin increase was primarily driven by product cost reductions, contributions from our acquisition of IMC, and favorable product mix.

*2021 Versus 2020*

PD EBIT from continuing operations was $43.7 million for the year ended December 31, 2021, compared with $31.7 million for the year ended December 31, 2020, an increase of $12.0 million or 37.9%. EBIT margin for the year ended December 31, 2021 was 21.7%, compared with 18.3% for the year ended December 31, 2020. The increases were primarily due to increased revenues, higher gross profit margin, and contributions from our acquisition of IMC, partially offset by increases in intangible amortization, stock-based compensation, and incentive compensation. The gross profit margin increase was driven by benefits of productivity initiatives, net favorable inventory reserve adjustments, an increase in average selling prices, and higher factory utilization, partially offset by higher precious metals cost and unfavorable foreign currency exchange rate changes. Our 2021 plant productivity has improved due to our factories returning to pre-pandemic production levels.

PD Adjusted EBIT was $52.5 million for the year ended December 31, 2021, compared with $35.2 million for the year ended December 31, 2020, an increase of $17.3 million or 49.1%. Adjusted EBIT margin for the year ended December 31, 2021 was 26.1%, compared with 20.3% for the year ended December 31, 2020. The increases were primarily due to increased revenues, higher non-GAAP gross profit margin, and contributions from our acquisition of IMC, partially offset by increases in incentive compensation. The non-GAAP gross profit margin increase was driven by benefits of productivity initiatives, net favorable inventory reserve adjustments, an increase in average selling prices, and higher factory utilization, partially offset by higher precious metals cost and unfavorable foreign currency exchange rate changes. Our 2021 plant productivity has improved due to our factories returning to pre-pandemic production levels.

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**MedTech & Specialty Audio**

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| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
|<br>*(in millions)* | **2022** | **Percent of Revenues** | **2021** | **Percent of Revenues** | **2020** | **Percent of Revenues** |
| Revenues | $229.9 |  | $231.3 |  | $173.6 |  |
| Earnings from continuing operations before interest and income taxes | $84.6 | 36.8% | $77.0 | 33.3% | $22.3 | 12.8% |
| &nbsp;&nbsp;&nbsp;&nbsp;Stock-based compensation expense | 2.9 |  | 2.4 |  | 2.5 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Restructuring charges |  |  | 0.1 |  | 1.2 |  |
| Adjusted earnings from continuing operations before interest and income taxes | $87.5 | 38.1% | $79.5 | 34.4% | $26.0 | 15.0% |

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***Revenues***

*2022 Versus 2021*

MSA revenues were $229.9 million for the year ended December 31, 2022, compared with $231.3 million for the year ended December 31, 2021, a decrease of $1.4 million or 0.6%. Revenues decreased primarily due to lower average pricing on mature products and lower demand for premium audio products, partially offset by higher shipping volumes into the hearing health market, which were associated with customer incentives.

*2021 Versus 2020*

MSA revenues were $231.3 million for the year ended December 31, 2021, compared with $173.6 million for the year ended December 31, 2020, an increase of $57.7 million or 33.2%. Revenues increased primarily due to higher shipping volumes as market conditions improved from 2020, which was negatively impacted by the COVID-19 pandemic. The higher volumes were driven by increased shipments into the hearing health market, exceeding pre-pandemic levels.

***Earnings and Adjusted Earnings from Continuing Operations Before Interest and Income Taxes***

*2022 Versus 2021*

MSA EBIT from continuing operations was $84.6 million for the year ended December 31, 2022, compared with $77.0 million for the year ended December 31, 2021, an increase of $7.6 million or 9.9%. EBIT margin for the year ended December 31, 2022 was 36.8%, compared with 33.3% for the year ended December 31, 2021. The increases were primarily due to higher gross profit margin and a reduction in legal expenses in connection with the protection of our intellectual property. The higher gross profit margin was driven by product cost reductions, favorable foreign currency exchange rate changes, and product mix, partially offset by lower average pricing on mature products, inflationary impacts, and increased depreciation expense.

MSA Adjusted EBIT was $87.5 million for the year ended December 31, 2022, compared with $79.5 million for the year ended December 31, 2021, an increase of $8.0 million or 10.1%. Adjusted EBIT margin for the year ended December 31, 2022 was 38.1%, compared with 34.4% for the year ended December 31, 2021. The increases were primarily due to higher non-GAAP gross profit margin and a reduction in legal expenses in connection with the protection of our intellectual property. The higher non-GAAP gross profit margin was driven by product cost reductions, favorable foreign currency exchange rate changes, and product mix, partially offset by lower average pricing on mature products, inflationary impacts, and increased depreciation expense.

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*2021 Versus 2020*

MSA EBIT from continuing operations was $77.0 million for the year ended December 31, 2021, compared with $22.3 million for the year ended December 31, 2020, an increase of $54.7 million or 245.3%. EBIT margin for the year ended December 31, 2021 was 33.3%, compared with 12.8% for the year ended December 31, 2020. The increases were primarily due to increased revenues, higher gross profit margin, and lower legal expenses in connection with the protection of our intellectual property, partially offset by increases in incentive compensation. The gross profit margin increase was driven by favorable product mix, product cost reductions, and higher factory capacity utilization, partially offset by lower average pricing on mature products and unfavorable foreign currency exchange rate changes. Our 2021 plant productivity has improved due to our factories returning to pre-pandemic production levels.

MSA Adjusted EBIT was $79.5 million for the year ended December 31, 2021, compared with $26.0 million for the year ended December 31, 2020, an increase of $53.5 million or 205.8%. Adjusted EBIT margin for the year ended December 31, 2021 was 34.4%, compared with 15.0% for the year ended December 31, 2020. The increases were primarily due to increased revenues, higher non-GAAP gross profit margin, and lower legal expenses in connection with the protection of our intellectual property, partially offset by increases in incentive compensation. The non-GAAP gross profit margin increase was driven by favorable product mix, product cost reductions, and higher factory capacity utilization, partially offset by lower average pricing on mature products and unfavorable foreign currency exchange rate changes. Our 2021 plant productivity has improved due to our factories returning to pre-pandemic production levels.

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**Consumer MEMS Microphones**

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| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
|<br>*(in millions)* | **2022** | **Percent of Revenues** | **2021** | **Percent of Revenues** | **2020** | **Percent of Revenues** |
| Revenues | $291.9 |  | $435.7 |  | $417.6 |  |
| (Loss) earnings from continuing operations before interest and income taxes | $(504.5) | (172.8)% | $60.0 | 13.8% | $22.6 | 5.4% |
| &nbsp;&nbsp;&nbsp;&nbsp;Stock-based compensation expense | 6.2 |  | 7.5 |  | 8.1 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Intangibles amortization expense | 6.4 |  | 10.9 |  | 10.6 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Impairment charges | 470.9 |  | 4.0 |  | 7.6 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Restructuring charges | 41.2 |  | 0.3 |  | 9.3 |  |
| &nbsp;&nbsp;Other <sup>(1)</sup> | (0.2) |  | 1.4 |  | 0.8 |  |
| Adjusted earnings from continuing operations before interest and income taxes | $20.0 | 6.9% | $84.1 | 19.3% | $59.0 | 14.1% |
| <sup>(1)</sup> In 2022, 2021, and 2020, Other represents the ongoing net lease cost (income) related to facilities not used in operations. | <sup>(1)</sup> In 2022, 2021, and 2020, Other represents the ongoing net lease cost (income) related to facilities not used in operations. | <sup>(1)</sup> In 2022, 2021, and 2020, Other represents the ongoing net lease cost (income) related to facilities not used in operations. | <sup>(1)</sup> In 2022, 2021, and 2020, Other represents the ongoing net lease cost (income) related to facilities not used in operations. | <sup>(1)</sup> In 2022, 2021, and 2020, Other represents the ongoing net lease cost (income) related to facilities not used in operations. | <sup>(1)</sup> In 2022, 2021, and 2020, Other represents the ongoing net lease cost (income) related to facilities not used in operations. | <sup>(1)</sup> In 2022, 2021, and 2020, Other represents the ongoing net lease cost (income) related to facilities not used in operations. |

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***Revenues***

*2022 Versus 2021*

CMM revenues were $291.9 million for the year ended December 31, 2022, compared with $435.7 million for the year ended December 31, 2021, a decrease of $143.8 million or 33.0%. Revenues decreased primarily due to lower demand for MEMS microphones in the mobile, computing, and IoT markets. The decreases in these markets were primarily driven by weak global demand for consumer electronics, COVID-19 related shutdowns in China, excess inventory in the supply chain, and our shift away from commoditized products, partially offset by higher shipping volumes associated with customer incentives. Revenues were also impacted by lower average pricing on mature products.

*2021 Versus 2020*

CMM revenues were $435.7 million for the year ended December 31, 2021, compared with $417.6 million for the year ended December 31, 2020, an increase of $18.1 million or 4.3%. Revenues increased primarily due to higher shipping volumes as market conditions improved from 2020, which was negatively impacted by the COVID-19 pandemic. The higher volumes were driven by increased shipments into the IoT and computing markets, with the computing market benefiting from the work-from-home and remote-learning trends. The increased demand was partially offset by lower average pricing on mature products and supply constraints.

***(Loss) Earnings and Adjusted Earnings from Continuing Operations Before Interest and Income Taxes***

*2022 Versus 2021*

CMM loss before interest and income taxes from continuing operations was $504.5 million for the year ended December 31, 2022, compared with EBIT of $60.0 million for the year ended December 31, 2021, a decrease of $564.5 million or 940.8%. EBIT margin for the year ended December 31, 2022 was a loss of 172.8%, compared to 13.8% for the year ended December 31, 2021. The decrease was primarily due to higher impairment charges, lower revenues, increased restructuring charges, and lower gross profit margin, partially offset by lower operating expenses and reduced intangible amortization. The lower gross profit margin was driven by increased restructuring charges, lower factory capacity utilization, unfavorable product mix, and lower average pricing on mature products, partially offset by benefits of the restructuring actions, favorable foreign currency exchange rate changes, and product cost reductions.

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CMM Adjusted EBIT was $20.0 million for the year ended December 31, 2022, compared with $84.1 million for the year ended December 31, 2021, a decrease of $64.1 million or 76.2%. Adjusted EBIT margin for the year ended December 31, 2022 was 6.9%, compared with 19.3% for the year ended December 31, 2021. The decrease was primarily due to lower revenues and lower non-GAAP gross profit margin, partially offset by lower non-GAAP operating expenses. The lower non-GAAP gross profit margin was driven by lower factory capacity utilization, unfavorable product mix, and lower average pricing on mature products, partially offset by benefits of the restructuring actions, favorable foreign currency exchange rate changes, and product cost reductions.

*2021 Versus 2020*

CMM EBIT from continuing operations was $60.0 million for the year ended December 31, 2021, compared with $22.6 million for the year ended December 31, 2020, an increase of $37.4 million or 165.5%. EBIT margin for the year ended December 31, 2021 was 13.8%, compared to 5.4% for the year ended December 31, 2020. The increases were primarily due to increased revenues, higher gross profit margin, lower restructuring charges, reduced operating expenses, and a reduction of impairment charges. The gross profit margin increase was driven by product cost reductions, favorable product mix, and higher factory capacity utilization, partially offset by lower average pricing on mature products and unfavorable foreign currency exchange rate changes. Our 2021 plant productivity improved due to our factories returning to pre-pandemic production levels. Our reduction in operating costs was primarily driven by headcount reductions in our Intelligent Audio product line.

CMM Adjusted EBIT was $84.1 million for the year ended December 31, 2021, compared with $59.0 million for the year ended December 31, 2020, an increase of $25.1 million or 42.5%. Adjusted EBIT margin for the year ended December 31, 2021 was 19.3%, compared with 14.1% for the year ended December 31, 2020. The increases were primarily due to increased revenues, higher non-GAAP gross profit margin, and reduced non-GAAP operating expenses. The non-GAAP gross profit margin increase was driven by product cost reductions, favorable product mix, and higher factory capacity utilization, partially offset by lower average pricing on mature products and unfavorable foreign currency exchange rate changes. Our 2021 plant productivity improved due to our factories returning to pre-pandemic production levels. Our reduction in non-GAAP operating expenses was primarily driven by headcount reductions in our Intelligent Audio product line.

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**Liquidity and Capital Resources**

Historically, we have generated and expect to continue to generate positive cash flow from operations. Our ability to fund our operations and capital needs will depend on our ongoing ability to generate cash from operations and access to capital markets. We believe that our future cash flow from operations and access to capital markets will provide adequate resources to fund our working capital needs, capital expenditures, strategic investments, and share repurchases. We have secured a revolving line of credit in the United States from a syndicate of commercial banks to provide additional liquidity. Furthermore, if we were to require additional cash above and beyond our cash on the balance sheet, the free cash flow generated by the business, and availability under our revolving credit facility, we would most likely seek to raise long-term financing through the U.S. debt or bank markets.

Due to the global nature of our operations, a significant portion of our cash is generated and typically held outside the United States. Our cash and cash equivalents totaled $48.2 million and $68.9 million at December 31, 2022 and 2021, respectively. Of these amounts, cash held by our non-U.S. operations totaled $40.0 million and $64.9 million as of December 31, 2022 and 2021, respectively. To the extent we repatriate these funds to the U.S., we may be required to pay U.S. state income taxes and applicable foreign withholding taxes on those amounts during the period when such repatriation occurs. Management will continue to reassess our need to repatriate the earnings of our foreign subsidiaries.

On May 3, 2021, we acquired all of the outstanding shares of common stock of IMC for $81.4 million. The acquired business provides RF filters to the defense, industrial, and communications markets. The acquisition's operations are included in the PD segment. For additional information, refer to Note 3. Acquisition to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."

On September 4, 2020, we entered into a Credit Agreement (the "2020 Credit Agreement"), which provided for a senior secured revolving credit facility (the "2020 Credit Facility") with borrowings in an aggregate principal amount at any time outstanding not to exceed $400.0 million. At any time during the term of the 2020 Credit Facility, we were permitted to increase the commitments under the 2020 Credit Facility or to establish one or more incremental term loan facilities under the 2020 Credit Facility in an aggregate principal amount not to exceed $200.0 million for all such incremental facilities. Commitments under the 2020 Credit Facility were set to terminate, and loans outstanding thereunder were set to mature, on January 2, 2024. On February 8, 2023 we entered into an Amended and Restated Credit Agreement (the "A&R Credit Agreement") that, among other things, amends and restates the 2020 Credit Agreement and extends the maturity date of the 2020 Credit Facility to February 8, 2028. For additional information, refer to Note 12. Borrowings and Note 20. Subsequent Events to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."

On February 24, 2020, we announced that our Board of Directors had authorized a share repurchase program of up to $100 million of our common stock. On April 28, 2022, we announced that our Board of Directors had increased the authorization by up to $150 million in additional aggregate value. The timing and amount of any shares repurchased will be determined by us based on our evaluation of market conditions and other factors, and will be made in accordance with applicable securities laws in either the open market or in privately negotiated transactions. We are not obligated to purchase any shares under the program, and the program may be suspended or discontinued at any time. The actual timing, number, and share price of shares repurchased will depend on a number of factors, including the market price of our common stock, general market and economic conditions, and applicable legal requirements. Any shares repurchased will be held as treasury stock. During the years ended December 31, 2022, 2021, and 2020 we repurchased 2,339,045, 2,139,413, and 1,078,363 shares of common stock, respectively, for a total of $44.0 million, $44.5 million, and $16.2 million, respectively.

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Cash flows from operating, investing, and financing activities as reflected in our Consolidated Statements of Cash Flows are presented on a consolidated basis (including discontinued operations). Cash flows are summarized in the following table:

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
|<br>*(in millions)* | **2022** | **2021** | **2020** |
| Net cash flows provided by (used in): |  |  |  |
| Operating activities | $86.3 | $182.1 | $128.1 |
| Investing activities | (32.7) | (129.6) | (35.1) |
| Financing activities | (73.2) | (131.4) | (23.9) |
| Effect of exchange rate changes on cash and cash equivalents | (1.1) |  | 0.3 |
| Net (decrease) increase in cash and cash equivalents | $(20.7) | $(78.9) | $69.4 |

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***Operating Activities***

Cash provided by operating activities reflects net earnings adjusted for certain non-cash items, including impairment charges, depreciation expense, amortization of intangible assets, stock-based compensation, restructuring charges, changes in deferred income taxes, and the effects of changes in operating assets and liabilities. The decrease in cash provided by operating activities for 2022 as compared to 2021 was primarily due to the lower net earnings compared to the prior period and the unfavorable changes in working capital. The lower net earnings were largely driven by lower revenues and the unfavorable changes in working capital were primarily driven by a decrease in accounts payable, partially offset by a decrease in accounts receivable. These working capital changes are attributable to the timing of vendor payments and lower customer demand in the fourth quarter. In addition, incentive compensation payments were larger in 2022 when compared to 2021.

***Investing Activities***

Cash used in investing activities is primarily used for capital expenditures and acquisitions. Capital expenditures support our manufacturing capacity expansion, development of new products, advances in our technology, future growth, and achievement of operating efficiencies. Capital expenditures were $32.1 million and $48.6 million for the years ended December 31, 2022 and 2021, respectively. The cash used in investing activities during 2022 was primarily driven by capital expenditures to support our development of new products and operating efficiencies. The cash used in investing activities during 2021 was driven by the acquisition of IMC and capital expenditures to support our manufacturing capacity expansion. Our investment activities in 2022 and 2021 were funded by our positive cash flow from operating activities.

Our 2022 and 2021 capital expenditures as a percentage of revenues were 4.2% and 5.6%, respectively. In 2023, we expect capital expenditures to be in the range of 4.0% to 5.0% of revenues. We expect to fund these capital expenditures through our existing cash balances and cash flows from operating activities.

***Financing Activities***

Cash used in financing activities during 2022 is primarily related to the $44.0 million of repurchases of common stock, $25.0 million net repayment of revolving credit facility, and the $6.9 million payment of taxes related to net share settlement of equity awards, partially offset by proceeds of $7.5 million from the exercise of options. Cash used in financing activities during 2021 was primarily related to the $172.5 million principal payment on the convertible senior notes, the $44.5 million used to repurchase shares of our common stock in the open market, and the $7.7 million payment of taxes related to net share settlement of equity awards, partially offset by the $70.0 million of borrowings under our revolving credit facility and proceeds of $25.6 million from the exercise of options.

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***Free Cash Flow***

In addition to measuring our cash flow generation and usage based upon the operating, investing, and financing classifications included in the Consolidated Statements of Cash Flows, we also measure free cash flow and free cash flow as a percentage of revenues. Free cash flow is calculated as cash flow provided by operating activities less capital expenditures. Our management believes these measures are useful in measuring our cash generated from operations that is available to repay debt, fund acquisitions, and repurchase Knowles' common stock. Free cash flow and free cash flow as a percentage of revenues are not presented in accordance with GAAP and may not be comparable to similarly titled measures used by other companies in our industry. As such, free cash flow and free cash flow as a percentage of revenues should not be considered in isolation from, or as an alternative to, any other liquidity measures determined in accordance with GAAP.

Our PD segment is not typically subject to seasonality. Our MSA segment tends to have stronger revenues in the fourth quarter of each fiscal year, while our CMM segment, which serves the consumer electronics market, varies based on the timing of OEM product launches and can impact our quarterly revenues, earnings, and cash flow.

The following table reconciles our free cash flow to cash flow provided by operating activities:

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| | | | |
|:---|:---|:---|:---|
| *(in millions)* | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| **Free Cash Flow** | **2022** | **2021** | **2020** |
| Cash flow provided by operating activities | $86.3 | $182.1 | $128.1 |
| Less: Capital expenditures | (32.1) | (48.6) | (31.9) |
| Free cash flow | $54.2 | $133.5 | $96.2 |
| Free cash flow as a percentage of revenues | 7.1% | 15.4% | 12.6% |

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In 2022, we generated free cash flow of $54.2 million, representing 7.1% of revenues, compared to free cash flow in 2021 of $133.5 million, representing 15.4% of revenues. The decrease in free cash flow in 2022 compared to 2021 was primarily due to lower net earnings and the unfavorable changes in working capital, partially offset by a decrease in capital expenditures.

**Contingent Obligations**

From time to time, we are involved in various legal proceedings and claims arising in the ordinary course of its business. Legal contingencies are discussed in Note 15. Commitments and Contingent Liabilities to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."

**Contractual Obligations and Off-Balance Sheet Arrangements**

A summary of our significant contractual obligations and commitments as of December 31, 2022 and the years when these obligations are expected to be due is as follows:

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| | | | | | |
|:---|:---|:---|:---|:---|:---|
| | | **Payments Due by Period** | **Payments Due by Period** | **Payments Due by Period** | **Payments Due by Period** |
| *(in millions)* |<br>**Total** | **Less than 1 Year** | **1-3 Years** | **3-5 Years** | **More than 5 Years** |
| Debt <sup>(1)</sup> | $45 | $— | $45 | $— | $— |
| Operating leases <sup>(2)</sup> | 16.0 | 8.8 | 6.2 | 1.0 |  |
| Purchase obligations <sup>(3)</sup> | 61.6 | 61.6 |  |  |  |
| Finance leases <sup>(2)</sup> | 4.1 | 2.5 | 1.5 | 0.1 |  |
| **Total obligations** | $126.7 | $72.9 | $52.7 | $1.1 | $— |

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| |
|:---|
| <sup>(1)</sup> Relates to the maturity of indebtedness under our 2020 Credit Facility; does not give effect to any early repayment of or future amounts which may be drawn. See Note 20. Subsequent Events to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."  |
| <sup>(2)</sup> Represents commitments related to operating and finance leases. See Note 8. Leases to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data."  |
| <sup>(3)</sup> Represents off-balance sheet commitments for purchase obligations related to open purchase orders with our vendors. |

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**Risk Management**

We are exposed to certain market risks which exist as part of our ongoing business operations, including changes in currency exchange rates, the dependence on key customers, price volatility for certain commodities, and changes in interest rates. We do not engage in speculative or leveraged transactions and do not hold or issue financial instruments for trading purposes.

***Foreign Currency Exposure***

We conduct business through our subsidiaries in many different countries and fluctuations in currency exchange rates could have a significant impact on the reported results of operations, which are presented in U.S. dollars. A significant and growing portion of our products are manufactured in lower-cost locations and sold in various countries. Cross-border transactions, both with external parties and intercompany relationships, could result in increased foreign exchange exposures. A weakening of foreign currencies relative to the U.S. dollar would adversely affect the U.S. dollar value of the Company's foreign currency-denominated sales, but would be beneficial to the cost of materials, products, and services purchased overseas. A strengthening of foreign currencies relative to the U.S. dollar would positively affect the U.S. dollar value of the Company's foreign currency-denominated sales, but would have a negative effect on the cost of materials, products, and services purchased overseas. Our foreign currency exposure is primarily driven by changes in the Chinese renminbi (yuan), the Malaysian ringgit, and the Philippine peso. Based on our current sales and manufacturing activity, a sustained 10% weakening of the U.S. dollar for a period of one year would reduce our pre-tax earnings by approximately $19.2 million, excluding the impact of our hedging program. See Note 11. Hedging Transactions and Derivative Instruments to our Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data" for information on the Company's hedges of foreign currency exchange rate risk.

***Dependence on Key Customers; Concentration of Credit***

The loss of any key customer and our inability to replace revenues provided by a key customer may have a material adverse effect on our business and financial condition. For the years ended December 31, 2022, 2021, and 2020, Apple Inc. accounted for approximately 15%, 16%, and 23% of our total revenues, respectively. No other customer accounted for more than 10% of total revenues during these periods. If a key customer fails to meet payment obligations, our operating results and financial condition could be adversely affected.

***Commodity Pricing***

We use a wide variety of raw materials, primarily metals and semi-processed or finished components, which are generally available from a number of sources. While the required raw materials are generally available, commodity pricing for various precious metals, such as palladium, gold, brass, stainless steel, and copper, fluctuates. As a result, our operating results are exposed to such fluctuations. Although some cost increases may be recovered through increased prices to customers if commodity prices trend upward, we also attempt to control such costs through fixed-price contracts with suppliers and various other programs through our global supply chain activities.

***Interest Rates***

Borrowings under our 2020 Credit Facility are at variable interest rates. A hypothetical 100 basis point increase in interest rates affecting our external variable rate borrowings as of December 31, 2022 would increase our annual interest expense by approximately $0.5 million.

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**Critical Accounting Estimates**

Our Consolidated Financial Statements are based on the application of GAAP. GAAP requires the use of estimates, assumptions, judgments, and subjective interpretations of accounting principles that have an impact on the assets, liabilities, revenues, and expense amounts we report. These estimates can also affect supplemental information contained in our public disclosures, including information regarding contingencies, risk, and our financial condition. The significant accounting policies used in the preparation of our Consolidated Financial Statements are discussed in Note 1. Summary of Significant Accounting Policies to the Consolidated Financial Statements under Item 8, "Financial Statements and Supplementary Data." The accounting assumptions and estimates discussed in the section below are those that we consider most critical to an understanding of our financial statements because they inherently involve significant judgments and estimates. By their nature, these judgments and estimates are subject to an inherent degree of uncertainty. Although we believe our use of estimates and underlying accounting assumptions conforms to GAAP and is consistently applied, actual results could differ from our estimates. We review valuations based on estimates for reasonableness on a consistent basis.

*Revenue Recognition:* Revenue is recognized when control of the promised goods or services is transferred to the customer in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. The terms of a contract or historical business practice can give rise to variable consideration, including customer discounts, rebates, and returns. We estimate variable consideration using either the expected value or most likely amount method. We include amounts in the transaction price to the extent it is probable that a significant reversal of revenue will not occur in a subsequent reporting period. Our estimates of variable consideration are based on all reasonably available information (historical, current, and forecasted). Rebates are recognized over the contract period based on expected revenue levels. Estimation of variable consideration requires judgment and actual results may differ from estimated amounts, which could result in adjustments to revenue.

*Inventories:* Inventories are stated at the lower of cost or net realizable value, determined on the first-in, first-out ("FIFO") basis. The value of inventory may decline as a result of surplus inventory, price reductions, or technological obsolescence. It is our policy to carry reserves against the carrying value of inventory when items have no future demand (obsolete inventory) and additionally, where inventory items on hand have demand, yet have insufficient forecasted activity to consume the entire stock within a reasonable period. We recognize reserves against the carrying value of such at-risk inventory items after considering the nature of the risk and any mitigating factors. These estimates require judgment with respect to forecasted future demand and market conditions. Additional reserves could be required if actual demand and market conditions differ from our estimates.

*Goodwill:* The Company tests goodwill for impairment annually as of October 1, or more frequently if there are events or circumstances indicating it is more likely than not that the carrying value of individual reporting units may exceed their respective fair values. Recoverability of goodwill is measured at the reporting unit level. The Company's three reporting units are PD, MSA, and CMM. The impairment assessment compares the fair value of each reporting unit to its carrying value. Impairment is measured as the amount by which the carrying value of a reporting unit exceeds its fair value.

During the second quarter of 2022, the Company identified a triggering event requiring an interim impairment assessment for the CMM reporting unit, which resulted in a goodwill impairment charge of $239.8 million. This reporting unit was previously referred to as "Mobile Consumer Electronics" or "MCE" prior to the change in the Company's reportable segments in the fourth quarter of 2022. This triggering event occurred due to the identification of a rapid decline in current demand and a reduction in the expected future growth rate for global consumer electronics, which resulted in reductions to forecasted revenue and terminal growth rates and profit margins. During the fourth quarter of 2022, the Company identified an additional triggering event requiring an impairment assessment of the CMM reporting unit, which resulted in a goodwill impairment charge of $231.1 million. This triggering event occurred due to the identification of further declines in forecasted demand for global consumer electronics in the near term, resulting in reductions to forecasted revenue and profit margins. In addition, the Company's assumptions for weighted average cost of capital and income tax rates increased as a result of rising interest rates and not satisfying certain tax holiday conditions. The goodwill impairment charges are presented within Impairment charges in Operating expenses on the Consolidated Statements of Earnings. No goodwill impairment charges were recorded during the years ended December 31, 2021 or 2020.

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Fair value was estimated using a discounted cash flow model that included market participant assumptions, forecasted future cash flows based on historical performance and future estimated results, determination of appropriate discount rates, and other assumptions which were considered reasonable in the discounted cash flow analysis. Significant assumptions used in the model included forecasted revenue and terminal growth rates, profit margins, income tax rates, capital expenditures, working capital requirements, and the Company's weighted average cost of capital. The fair value measurements for reporting units are based on significant unobservable inputs.

Fair value measurements require considerable judgment and are sensitive to changes in underlying assumptions. As a result, there can be no assurance that estimates and assumptions made for purposes of the impairment assessment will prove to be an accurate prediction of the future. Potential circumstances that could have a negative effect on the fair value of our reporting units include, but are not limited to, lower than forecasted revenue and terminal growth rates, decreased profit margins, higher income taxes, increased capital expenditures, higher working capital requirements, and changes in the weighted average cost of capital. A reduction in the estimated fair value of the reporting units could trigger an impairment in the future.

As of December 31, 2022, the carrying value of goodwill was $471.0 million, of which $270.1 million relates to the CMM reporting unit. As a result of the impairment charges recorded in 2022, the carrying value of the CMM reporting unit currently approximates its fair value.

The Company cannot predict the occurrence of certain events or changes in circumstances that might adversely affect the carrying value of goodwill. We continue to monitor the evolving macroeconomic landscape. Rising interest and income tax rates could impact the weighted average cost of capital used in our estimates of fair value for our reporting units. Additionally, high inflation could negatively impact the consumer electronics market.

Holding all other assumptions used in the 2022 fair value measurement constant, changes in the assumptions below would reduce fair value of the CMM reporting unit and result in impairment charges of approximately:

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| | |
|:---|:---|
| 1% increase in the weighted-average cost of capital | $41.9 |
| 1% reduction in revenue growth | $40.2 |
| 1% reduction in EBITDA margin | $29.2 |

---

The MSA and PD reporting units comprised the remaining goodwill at December 31, 2022. As of the 2022 fair value measurement date the estimated fair value of each of these reporting units exceeded the carrying values by at least 230%. Excluding the CMM reporting unit, holding all other assumptions used in the 2022 fair value measurement constant, a 1% increase in the weighted-average cost of capital, a 1% reduction in revenue growth, or a 1% reduction in EBITDA margin assumption for our MSA and PD reporting units would not result in any impairment.

*Other Intangible and Long-Lived Assets:* Long-lived assets and intangible assets with determinable lives are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If an indicator of impairment exists for any grouping of assets, an estimate of undiscounted future cash flows is produced and compared to its carrying value. If an asset is determined to be impaired, the loss is measured by the excess of the carrying amount of the asset over its fair value as determined by an estimate of discounted future cash flows. We recorded impairment charges of $4.0 million and $7.6 million during the years ended December 31, 2021 and 2020, respectively, related to facilities in our Intelligent Audio product line. Estimation of future cash flows requires judgment and actual results may differ from estimated amounts, which could result in impairment charges in the future. No impairment of other intangible or long-lived assets was recorded for the year ended December 31, 2022.

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*Income Taxes:* We use judgment in determining our provision for income taxes, including our assessment of the need for a valuation allowance against our deferred tax assets and our determination of whether tax positions will be sustained on examination by taxing authorities based on the technical merits of the positions. To the extent that the final outcome of these matters is different than the amounts recorded, such differences will affect the provision for income taxes in the period in which such determination is made and could have a material impact on our financial condition and operating results.

A valuation allowance is recorded to reduce deferred tax assets to the net amount that is more likely than not to be realized. The need to establish valuation allowances for deferred tax assets is assessed at each reporting date. In assessing the requirement for, and amount of, a valuation allowance in accordance with the more-likely-than-not standard, we give appropriate consideration to all positive and negative evidence related to the realization of the deferred tax assets. This assessment considers, among other matters, the nature, frequency, and severity of current and cumulative losses, forecasts of future profitability, the duration of statutory carryforward periods, our experience with operating loss and tax credit carryforwards not expiring unused, and tax planning strategies.

**ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK**

The information required by this section is incorporated by reference to the section "Risk Management," included in Item 7 of this Annual Report on Form 10-K.

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**ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA**

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| | |
|:---|:---|
| | **INDEX TO CONSOLIDATED FINANCIAL STATEMENTS AND** |
| | **FINANCIAL STATEMENT SCHEDULE** |
| **Page** | |
| <u>[47](#i54e8c3bf19e84fed84edbf0504abb5c3_64)</u> | <u>[Report of Independent Registered Public Accounting](#i54e8c3bf19e84fed84edbf0504abb5c3_64)</u><u>[Firm](#i54e8c3bf19e84fed84edbf0504abb5c3_64)</u> (PCAOB ID: 238) |
| <u>[49](#i54e8c3bf19e84fed84edbf0504abb5c3_67)</u> | <u>[Consolidated Statements of Earnings](#i54e8c3bf19e84fed84edbf0504abb5c3_67)</u> |
| <u>[50](#i54e8c3bf19e84fed84edbf0504abb5c3_70)</u> | <u>[Consolidated Statements of Comprehensive Earnings](#i54e8c3bf19e84fed84edbf0504abb5c3_70)</u> |
| <u>[51](#i54e8c3bf19e84fed84edbf0504abb5c3_73)</u> | <u>[Consolidated Balance Sheets](#i54e8c3bf19e84fed84edbf0504abb5c3_73)</u> |
| <u>[52](#i54e8c3bf19e84fed84edbf0504abb5c3_76)</u> | <u>[Consolidated Statements of Stockholders' Equity](#i54e8c3bf19e84fed84edbf0504abb5c3_76)</u> |
| <u>[53](#i54e8c3bf19e84fed84edbf0504abb5c3_79)</u> | <u>[Consolidated Statements of Cash Flows](#i54e8c3bf19e84fed84edbf0504abb5c3_79)</u> |
| <u>[54](#i54e8c3bf19e84fed84edbf0504abb5c3_82)</u> | <u>[Notes to Consolidated Financial Statements](#i54e8c3bf19e84fed84edbf0504abb5c3_82)</u> |
| <u>[88](#i54e8c3bf19e84fed84edbf0504abb5c3_160)</u> | <u>[Financial Statement Schedule - Schedule II, Valuation and Qualifying Accounts](#i54e8c3bf19e84fed84edbf0504abb5c3_160)</u> |

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**Report of Independent Registered Public Accounting Firm** 

To the Board of Directors and Stockholders of Knowles Corporation

***Opinions on the Financial Statements and Internal Control over Financial Reporting***

We have audited the accompanying consolidated balance sheets of Knowles Corporation and its subsidiaries (the "Company") as of December 31, 2022 and 2021, and the related consolidated statements of earnings, comprehensive earnings, stockholders' equity and cash flows for each of the three years in the period ended December 31, 2022, including the related notes and schedule of valuation and qualifying accounts for each of the three years in the period ended December 31, 2022 appearing under Item 8 (collectively referred to as the "consolidated financial statements"). We also have audited the Company's internal control over financial reporting as of December 31, 2022, based on criteria established in *Internal Control - Integrated Framework* (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 2022 and 2021, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2022 in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2022, based on criteria established in *Internal Control - Integrated Framework* (2013) issued by the COSO.

***Basis for Opinions***

The Company's management is responsible for these consolidated financial statements, for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting, included in Management's Report on Internal Control Over Financial Reporting, appearing under Item 9A. Our responsibility is to express opinions on the Company's consolidated financial statements and on the Company's internal control over financial reporting based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained in all material respects.

Our audits of the consolidated financial statements included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

***Definition and Limitations of Internal Control over Financial Reporting***

A company's internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company's internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company's assets that could have a material effect on the financial statements.

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Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

***Critical Audit Matters***

The critical audit matter communicated below is a matter arising from the current period audit of the consolidated financial statements that was communicated or required to be communicated to the audit committee and that (i) relates to accounts or disclosures that are material to the consolidated financial statements and (ii) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

*Goodwill Impairment Assessments – Consumer MEMS Microphones (CMM) Reporting Unit*

As described in Notes 1 and 7 to the consolidated financial statements, the Company's consolidated goodwill balance was $471.0 million as of December 31, 2022, of which the goodwill associated with the CMM reporting unit was $270.1 million. As disclosed by management, the Consumer MEMS Microphones (CMM) reporting unit was previously referred to as Mobile Consumer Electronics (MCE) prior to the change in the Company's reportable segments in the fourth quarter of 2022. The Company had no change in its reporting units as a result of the change in its reportable segments. Management performs its annual impairment assessment in the fourth quarter of each year on October 1, or more frequently if there are events or circumstances indicating the carrying value of individual reporting units may exceed their respective fair values on a more likely than not basis. Fair value is estimated using a discounted cash flow model. Significant assumptions used in the model included forecasted revenue and terminal growth rates, profit margins, income tax rates, capital expenditures, working capital requirements, and the Company's weighted average cost of capital. The Company recorded goodwill impairment charges totaling $470.9 million for the CMM reporting unit for the year ended December 31, 2022.

The principal considerations for our determination that performing procedures relating to the goodwill impairment assessments for the CMM reporting unit is a critical audit matter are (i) the significant judgment by management when developing the fair value estimate of the CMM reporting unit; (ii) a high degree of auditor judgment, subjectivity, and effort in performing procedures and evaluating management's significant assumptions related to forecasted revenue, terminal growth rate, profit margins, and the weighted average cost of capital; and (iii) the audit effort involved the use of professionals with specialized skill and knowledge.

Addressing the matter involved performing procedures and evaluating audit evidence in connection with forming our overall opinion on the consolidated financial statements. These procedures included testing the effectiveness of controls relating to management's goodwill impairment assessment, including controls over the valuation of the CMM reporting unit. These procedures also included, among others (i) testing management's process for developing the fair value estimate of the CMM reporting unit; (ii) evaluating the appropriateness of the discounted cash flow model; (iii) testing the completeness and accuracy of the underlying data used in the discounted cash flow model; and (iv) evaluating the reasonableness of the significant assumptions used by management related to forecasted revenue, terminal growth rate, profit margins, and the weighted average cost of capital. Evaluating management's significant assumptions related to forecasted revenue, terminal growth rate, and profit margins involved evaluating whether the assumptions used by management were reasonable considering (i) the current and past performance of the CMM reporting unit; (ii) the consistency with external market and industry data; and (iii) whether these assumptions were consistent with evidence obtained in other areas of the audit. Professionals with specialized skill and knowledge were used to assist in evaluating (i) the appropriateness of the discounted cash flow model and (ii) the reasonableness of the terminal growth rate and weighted average cost of capital significant assumptions.

/s/ PricewaterhouseCoopers LLP

Chicago, Illinois

February 9, 2023

We have served as the Company's auditor since 2013. 

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CORPORATION**

**CONSOLIDATED STATEMENTS OF EARNINGS**

**(in millions, except per share amounts)**

---

| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| | **2022** | **2021** | **2020** |
| **Revenues** | $764.7 | $868.1 | $764.3 |
| Cost of goods sold | 456.2 | 508.6 | 490.8 |
| Restructuring charges - cost of goods sold | 32.2 |  | 2.3 |
| **Gross profit** | 276.3 | 359.5 | 271.2 |
| &nbsp;&nbsp;&nbsp;Research and development expenses | 81.7 | 92.8 | 92.9 |
| &nbsp;&nbsp;&nbsp;Selling and administrative expenses | 128.9 | 146.4 | 131.5 |
| &nbsp;&nbsp;&nbsp;Impairment charges | 470.9 | 4.0 | 7.6 |
| &nbsp;&nbsp;&nbsp;Restructuring charges | 9.6 | 0.5 | 10.0 |
| **Operating expenses** | 691.1 | 243.7 | 242.0 |
| **Operating (loss) earnings** | (414.8) | 115.8 | 29.2 |
| Interest expense, net | 3.9 | 14.2 | 16.4 |
| Other (income) expense, net | (0.5) | (3.0) | 1.5 |
| **(Loss) earnings before income taxes and discontinued operations** | (418.2) | 104.6 | 11.3 |
| Provision for (benefit from) income taxes | 11.9 | (45.6) | 8.4 |
| **(Loss) earnings from continuing operations** | (430.1) | 150.2 | 2.9 |
| Earnings from discontinued operations, net |  | 0.2 | 3.7 |
| **Net (loss) earnings** | $(430.1) | $150.4 | $6.6 |
| **(Loss) earnings per share from continuing operations:** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Basic | $(4.69) | $1.63 | $0.03 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diluted | $(4.69) | $1.59 | $0.03 |
| **Earnings per share from discontinued operations:** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Basic | $— | $— | $0.04 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diluted | $— | $— | $0.04 |
| **Net (loss) earnings per share:** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Basic | $(4.69) | $1.63 | $0.07 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diluted | $(4.69) | $1.59 | $0.07 |
| **Weighted-average common shares outstanding:** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Basic | 91.7 | 92.3 | 91.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diluted | 91.7 | 94.7 | 92.9 |

---

See accompanying Notes to Consolidated Financial Statements

------

<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

 **KNOWLES CORPORATION**

**CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS**

**(in millions)**

---

| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| | **2022** | **2021** | **2020** |
| **Net (loss) earnings** | $(430.1) | $150.4 | $6.6 |
| **Other comprehensive (loss) earnings, net of tax** |  |  |  |
| Foreign currency translation | (23.2) | (3.6) | 13.8 |
| Employee benefit plans: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Actuarial gains (losses) and prior service costs arising during period | 0.3 | 4.3 | (4.0) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Amortization or settlement of actuarial losses and prior service costs | 0.5 | 0.7 | 0.6 |
| Net change in employee benefit plans | 0.8 | 5.0 | (3.4) |
| Changes in fair value of cash flow hedges: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Unrealized net (losses) gains arising during period | (2.8) | 0.3 | 2.0 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net losses (gains) reclassified into earnings | 3.5 | (1.6) | (0.9) |
| Total cash flow hedges | 0.7 | (1.3) | 1.1 |
| Other comprehensive (loss) earnings, net of tax | (21.7) | 0.1 | 11.5 |
| **Comprehensive (loss) earnings** | $(451.8) | $150.5 | $18.1 |

---

See accompanying Notes to Consolidated Financial Statements

------

<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

**KNOWLES CORPORATION**

**CONSOLIDATED BALANCE SHEETS**

**(in millions, except share and per share amounts)**

---

| | | |
|:---|:---|:---|
| | **December 31, 2022** | **December 31, 2021** |
| **Current assets:** | | |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cash and cash equivalents | $48.2 | $68.9 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Receivables, net of allowances of $1.1 and $0.2 | 134.7 | 146.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Inventories, net | 169.5 | 153.1 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prepaid and other current assets | 10.0 | 11.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total current assets | 362.4 | 380.3 |
| **Property, plant, and equipment, net** | 161.8 | 200.8 |
| **Goodwill** | 471.0 | 941.3 |
| **Intangible assets, net** | 85.1 | 97.3 |
| **Operating lease right-of-use assets** | 12.6 | 17.4 |
| **Other assets and deferred charges** | 91.0 | 94.5 |
| **Total assets** | $1183.9 | $1731.6 |
| **Current liabilities:** |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accounts payable | $41.4 | $90.9 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accrued compensation and employee benefits | 26.9 | 42.8 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Operating lease liabilities | 8.4 | 11.4 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other accrued expenses | 19.9 | 19.4 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Federal and other taxes on income | 2.5 | 1.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total current liabilities | 99.1 | 166.2 |
| **Long-term debt** | 45.0 | 70.0 |
| **Deferred income taxes** | 0.9 | 0.6 |
| **Long-term operating lease liabilities** | 7.2 | 14.7 |
| **Other liabilities** | 38.8 | 20.6 |
| **Commitments and contingencies (Note 15)** |  |  |
| **Stockholders' equity:** |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Preferred stock - $0.01 par value; 10,000,000 shares authorized; none issued |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Common stock - $0.01 par value; 400,000,000 shares authorized; 96,431,604 and 91,078,376 shares issued and outstanding at December 31, 2022, respectively, and 95,112,778 and 91,894,980 shares issued and outstanding at December 31, 2021, respectively | 1.0 | 1.0 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Treasury stock - at cost; 5,353,228 and 3,217,798 shares at December 31, 2022 and 2021, respectively | (103.3) | (62.4) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additional paid-in capital | 1665.5 | 1639.4 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated deficit | (448.2) | (18.1) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated other comprehensive loss | (122.1) | (100.4) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total stockholders' equity | 992.9 | 1459.5 |
| **Total liabilities and stockholders' equity** | $1183.9 | $1731.6 |

---

See accompanying Notes to Consolidated Financial Statements

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

 **KNOWLES CORPORATION**

**CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY**

**(in millions, except share amounts)**

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| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| | **Common Stock** | **Common Stock** | **Treasury Stock** | **Treasury Stock** | **Additional Paid-In Capital** | **Accumulated Deficit** | **Accumulated Other Comprehensive Loss** | **Total Stockholders' Equity** |
| | **Shares Issued** | **Amount** | **Shares** | **Amount** | **Additional Paid-In Capital** | **Accumulated Deficit** | **Accumulated Other Comprehensive Loss** | **Total Stockholders' Equity** |
| **Balance at January 1, 2020** | 91701745 | $0.9 |  | $— | $1574.7 | $(175.1) | $(112.0) | $1288.5 |
| Net earnings |  |  |  |  |  | 6.6 |  | 6.6 |
| Other comprehensive earnings, net of tax |  |  |  |  |  |  | 11.5 | 11.5 |
| Repurchase of common stock |  |  | (1078363) | (16.2) |  |  |  | (16.2) |
| Stock-based compensation expense |  |  |  |  | 17.3 |  |  | 17.3 |
| Exercise of stock options and other | 141336 |  |  |  | 1.9 |  |  | 1.9 |
| Restricted and performance stock unit settlement, net of tax | 846831 |  |  |  | (6.1) |  |  | (6.1) |
| **Balance at December 31, 2020** | 92689912 | $0.9 | (1078363) | $(16.2) | $1587.8 | $(168.5) | $(100.5) | $1303.5 |
| Net earnings |  |  |  |  |  | 150.4 |  | 150.4 |
| Other comprehensive earnings, net of tax |  |  |  |  |  |  | 0.1 | 0.1 |
| Repurchase of common stock |  |  | (2139413) | (44.5) |  |  |  | (44.5) |
| Stock-based compensation expense |  |  |  |  | 32.1 |  |  | 32.1 |
| Exercise of stock options | 1540314 | 0.1 |  |  | 25.5 |  |  | 25.6 |
| Conversion of convertible senior notes |  |  | 363579 | 5.9 | (5.9) |  |  |  |
| Exercise of convertible note hedges |  |  | (363601) | (7.6) | 7.6 |  |  |  |
| Restricted and performance stock unit settlement, net of tax | 882552 |  |  |  | (7.7) |  |  | (7.7) |
| **Balance at December 31, 2021** | 95112778 | $1.0 | (3217798) | $(62.4) | $1639.4 | $(18.1) | $(100.4) | $1459.5 |
| Net loss |  |  |  |  |  | (430.1) |  | (430.1) |
| Other comprehensive loss, net of tax |  |  |  |  |  |  | (21.7) | (21.7) |
| Repurchase of common stock |  |  | (2339045) | (44.0) |  |  |  | (44.0) |
| Stock-based compensation expense |  |  |  |  | 28.6 |  |  | 28.6 |
| Exercise of stock options | 643911 |  |  |  | 7.5 |  |  | 7.5 |
| Exercise of warrants |  |  | 203615 | 3.1 | (3.1) |  |  |  |
| Restricted and performance stock unit settlement, net of tax | 674915 |  |  |  | (6.9) |  |  | (6.9) |
| **Balance at December 31, 2022** | 96431604 | $1.0 | (5353228) | $(103.3) | $1665.5 | $(448.2) | $(122.1) | $992.9 |

---

See accompanying Notes to Consolidated Financial Statements

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

**KNOWLES CORPORATION**

**CONSOLIDATED STATEMENTS OF CASH FLOWS**

**(in millions)**

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| | **2022** | **2021** | **2020** |
| **Operating Activities** |  |  |  |
| Net (loss) earnings | $(430.1) | $150.4 | $6.6 |
| Adjustments to reconcile net (loss) earnings to cash from operating activities: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Depreciation and amortization | 53.9 | 62.5 | 60.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stock-based compensation | 28.6 | 32.1 | 17.3 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Impairment charges | 470.9 | 4.0 | 7.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Non-cash restructuring charges | 13.5 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Non-cash interest expense and amortization of debt issuance costs | 0.7 | 8.0 | 8.9 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deferred income taxes | 1.6 | (61.2) | (2.6) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Write-off of fixed assets |  |  | 1.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Loss on disposal of fixed assets | 0.5 |  | 0.3 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other, net | (5.9) |  | 5.0 |
| Changes in assets and liabilities (excluding effects of foreign exchange): |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Receivables, net | 11.1 | (12.3) | 29.0 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Inventories, net | (22.8) | (20.7) | 16.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prepaid and other current assets | 2.0 | (2.9) | (0.1) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accounts payable | (41.2) | 17.2 | (17.5) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accrued compensation and employee benefits | (15.0) | 11.9 | (2.1) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other accrued expenses | (0.3) | 1.8 | 2.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accrued taxes | 1.3 | (1.1) | (5.8) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other non-current assets and non-current liabilities | 17.5 | (7.6) | (0.1) |
| **Net cash provided by operating activities** | 86.3 | 182.1 | 128.1 |
| **Investing Activities** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Acquisitions of business (net of cash acquired) | (0.7) | (78.5) |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Capital expenditures | (32.1) | (48.6) | (31.9) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Proceeds from the sale of property, plant, and equipment | 0.1 | 0.6 | 0.3 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Purchase of investments | (0.4) | (3.5) | (3.5) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Proceeds from the sale of investments | 0.4 | 0.4 |  |
| **Net cash used in investing activities** | (32.7) | (129.6) | (35.1) |
| **Financing Activities** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Principal payments on convertible senior notes |  | (172.5) |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Payments under revolving credit facility | (48.0) |  | (100.0) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Borrowings under revolving credit facility | 23.0 | 70.0 | 100.0 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Proceeds from exercise of stock-based awards | 7.5 | 25.6 | 1.8 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Repurchase of common stock | (44.0) | (44.5) | (16.2) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Payments of debt issuance costs |  |  | (1.4) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tax on stock option exercises and restricted and performance stock unit vesting | (6.9) | (7.7) | (6.1) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Payments of finance lease obligations | (4.8) | (2.3) | (2.0) |
| **Net cash used in financing activities** | (73.2) | (131.4) | (23.9) |
| Effect of exchange rate changes on cash and cash equivalents | (1.1) |  | 0.3 |
| **Net (decrease) increase in cash and cash equivalents** | (20.7) | (78.9) | 69.4 |
| Cash and cash equivalents at beginning of period | 68.9 | 147.8 | 78.4 |
| **Cash and cash equivalents at end of period** | $48.2 | $68.9 | $147.8 |
| **Supplemental information - cash paid during the year for:** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Income taxes | $6.2 | $16.1 | $16.8 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Interest | $3.6 | $7.4 | $8.1 |

---

See accompanying Notes to Consolidated Financial Statements

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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**1. Summary of Significant Accounting Policies**

***Background*** - Knowles Corporation (NYSE:KN) is a market leader and global provider of advanced micro-acoustic microphones and balanced armature speakers, audio solutions, and high performance capacitors and radio frequency ("RF") products, serving the consumer electronics, medtech, defense, electric vehicle, industrial, and communications markets. The Company uses its leading position in SiSonic<sup>TM</sup> micro-electro-mechanical systems ("MEMS") microphones and strong capabilities in audio processing technologies to optimize audio systems and improve the user experience across consumer applications. Knowles is also a leader in hearing health acoustics, high performance capacitors, and RF solutions for a diverse set of markets. The Company's focus on the customer, combined with its unique technology, proprietary manufacturing techniques, and global operational expertise, enable the Company to deliver innovative solutions across multiple applications. References to "Knowles," "the Company," "we," "our," and "us" refer to Knowles Corporation and its consolidated subsidiaries.

On May 3, 2021, the Company acquired all of the outstanding shares of common stock of Integrated Microwave Corporation ("IMC"), a manufacturer of RF filters. See Note 3. Acquisition for additional information related to the transaction.

On February 24, 2020, the Company announced that its Board of Directors had authorized a share repurchase program of up to $100 million of the Company's common stock. On April 28, 2022, we announced that our Board of Directors had increased the authorization by up to $150 million in additional aggregate value. The timing and amount of any shares repurchased will be determined by the Company based on its evaluation of market conditions and other factors, and will be made in accordance with applicable securities laws in either the open market or in privately negotiated transactions. The Company is not obligated to purchase any shares under the program, and the program may be suspended or discontinued at any time. The actual timing, number, and share price of shares repurchased will depend on a number of factors, including the market price of the Company's common stock, general market and economic conditions, and applicable legal requirements. Any shares repurchased will be held as treasury stock. During the years ended December 31, 2022, 2021, and 2020, we repurchased 2,339,045, 2,139,413, and 1,078,363 shares of common stock, respectively, for a total of $44.0 million, $44.5 million, and $16.2 million, respectively.

***Financial Statement Presentation*** *-* The Consolidated Financial Statements included in this Annual Report on Form 10-K are presented in conformity with U.S. generally accepted accounting principles ("U.S. GAAP").

***Use of Estimates*** - The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the accompanying financial statements and disclosures. These estimates may be adjusted due to changes in future economic, industry, or customer financial conditions, as well as changes in technology or demand. Estimates are used in accounting for, among other items, inventory reserves, restructuring reserves, warranty reserves, pension and post-retirement plans, stock-based compensation, useful lives for depreciation and amortization of long-lived assets, future cash flows associated with impairment testing for goodwill, indefinite-lived intangible assets and other long-lived assets, deferred tax assets, uncertain income tax positions, changes in tax laws, and contingencies. Management uses historical experience and all available information to make these estimates, including considerations for the impact of the COVID-19 pandemic on the macroeconomic environment. The situation related to the COVID-19 pandemic continues to be complex and dynamic. The Company cannot reasonably estimate the duration of the COVID-19 pandemic or fully ascertain its impact on the Company's future results and market capitalization, which could adversely impact estimates such as the recoverability of goodwill and long-lived assets and the realizability of deferred tax assets. Actual results may ultimately differ from estimates, although management does not believe such differences would materially affect the financial statements in any individual year. Estimates and assumptions are periodically reviewed and the effects of revisions are reflected in the Consolidated Financial Statements in the period that they are determined.

***Cash and Cash Equivalents*** - Cash and cash equivalents include cash on hand, demand deposits, and temporary cash investments with original maturities less than three months.

***Allowance for Doubtful Accounts*** – The Company maintains allowances for estimated losses as a result of customers' inability to make required payments. Management evaluates the aging of the accounts receivable balances, the financial condition of its customers, historical trends, relevant forecasts, and the time outstanding of specific balances to estimate the amount of accounts receivable that may not be collected in the future and records the appropriate provision.

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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***Inventories*** – Inventories are stated at the lower of cost or net realizable value, determined on the first-in, first-out ("FIFO") basis. The value of inventory may decline as a result of surplus inventory, price reductions, or technological obsolescence. It is the Company's policy to carry reserves against the carrying value of inventory when items have no future demand (obsolete inventory) and additionally, where inventory items on hand have demand, yet have insufficient forecasted activity to consume the entire stock within a reasonable period. The Company recognizes reserves against the carrying value of such at-risk inventory items after considering the nature of the risk and any mitigating factors.

***Property, Plant, and Equipment*** - Property, plant, and equipment includes the historic cost of land, buildings, equipment, and significant improvements to existing plant and equipment or, in the case of acquisitions, a fair market value appraisal of such assets completed at the time of acquisition. Property, plant, and equipment also includes the cost of purchased software. Expenditures for maintenance, repairs, and minor renewals are expensed as incurred. When property or equipment is sold or otherwise disposed of, the related cost and accumulated depreciation is removed from the respective accounts, and the gain or loss realized on disposition is reflected in earnings. The Company historically depreciates its assets on a straight-line basis over their estimated useful lives as follows: buildings and improvements 5 to 31.5 years; machinery and equipment 1.5 to 7 years; furniture and fixtures 2 to 5 years; vehicles 3 to 5 years; and software 3 to 5 years.

***Leases*** - The Company determines whether an arrangement is a lease at contract inception. Lease liabilities and right-of-use assets are recognized on the lease commencement date based on the net present value of fixed lease payments over the lease term. The Company includes options to extend or terminate a lease within the lease term when it is reasonably certain the option will be exercised. Leases with an initial term of 12 months or less are not recorded on the Consolidated Balance Sheets. Lease liabilities represent an obligation to make lease payments arising from a lease while right-of-use assets represent a right to use an underlying asset during the lease term. Right-of-use assets include prepaid fixed lease payments and exclude lease incentives. As the Company's leases do not have a readily determinable implicit rate, the Company uses its incremental borrowing rate to determine the present value of fixed lease payments based on information available at the lease commencement date.

Fixed lease expense for operating leases and right-of-use asset amortization for finance leases are generally recognized on a straight-line basis over the lease term. Variable lease payments, such as payments based on an index rate or usage, are expensed as incurred and excluded from lease liabilities and right-of-use assets. The Company combines lease components and nonlease components such as maintenance into a single lease component, which results in the capitalization of all fixed payments within lease liabilities and right-of-use assets.

***Derivative Instruments*** - The Company uses derivative financial instruments to hedge its exposure to foreign currency exchange rate risk. The Company does not enter into derivative financial instruments for speculative purposes and does not have a material portfolio of derivative financial instruments. Derivative financial instruments used for hedging purposes must be designated and effective as a hedge of the identified risk exposure at inception of the contract. The Company recognizes all derivatives as either assets or liabilities on the Consolidated Balance Sheets and measures those instruments at fair value. For derivatives designated as cash flow hedges, the effective portion of changes in the fair value of the derivatives is recorded as a component of other comprehensive earnings and subsequently recognized in net earnings when the hedged items impact earnings.

***Goodwill and Indefinite-Lived Intangible Assets*** - Goodwill represents the excess of purchase consideration over the fair value of the net assets of businesses acquired. Goodwill and certain other intangible assets deemed to have indefinite lives are not amortized. Instead, goodwill and indefinite-lived intangible assets are tested for impairment at least annually, or more frequently if there are events or circumstances indicating the carrying value of individual reporting units or assets may exceed their respective fair values on a more likely than not basis. The Company performs its annual impairment assessment in the fourth quarter of each year on October 1.

Recoverability of goodwill is measured at the reporting unit level. The Company has three reporting units - Precision Devices ("PD"), MedTech & Specialty Audio ("MSA"), and Consumer MEMS Microphones ("CMM.") The goodwill balances associated with PD, MSA, and CMM were $63.2 million, $137.7 million, and $270.1 million, respectively, as of December 31, 2022. As discussed in Note 18. Segment Information, in the fourth quarter of 2022, the Company determined that each of its three operating segments represents a single reportable segment (compared to the two reportable segments disclosed previously). The Company had no change in its reporting units as a result of the change in its reportable segments.

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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The impairment assessment compares the fair value of each reporting unit to its carrying value. Impairment is measured as the amount by which the carrying value of a reporting unit exceeds its fair value. Fair value is estimated using a discounted cash flow model that includes the Company's market participant assumptions, forecasted future cash flows based on historical performance and future estimated results, determinations of appropriate discount rates, and other assumptions which are considered reasonable and inherent in the discounted cash flow analysis. Significant assumptions used in the model included forecasted revenue and terminal growth rates, profit margins, income tax rates, capital expenditures, working capital requirements, and the Company's weighted average cost of capital. These assumptions require significant judgment and actual results may differ from estimated amounts.

The fair value of the PD and MSA reporting units exceeded their carrying values by at least 230%, resulting in no goodwill impairment charges. The Company recorded goodwill impairment charges totaling $470.9 million for the CMM reporting unit for the year ended December 31, 2022. See Note 4. Impairment Charges. No goodwill impairment charges were recorded for the years ended December 31, 2021 and 2020.

Potential circumstances that could have a negative effect on the fair value of our reporting units include, but are not limited to, lower than forecasted growth rates or profit margins and changes in the weighted average cost of capital. A reduction in the estimated fair value of the reporting units could trigger an impairment in the future. The Company cannot predict the occurrence of certain events or changes in circumstances that might adversely affect the carrying value of goodwill and intangible assets.

In testing its indefinite-lived trademarks for impairment, the Company uses a relief from royalty method to calculate and compare the fair value of the intangible asset to its carrying value. This method estimates the fair value of trademarks by calculating the present value of royalty income that could hypothetically be earned by licensing the trademark to a third party. Any excess of carrying value over the estimated fair value is recognized as an impairment loss. No impairment of indefinite-lived trademarks was indicated for the years ended December 31, 2022, 2021, or 2020.

See Note 7. Goodwill and Other Intangible Assets for additional information on goodwill and indefinite-lived intangible assets.

***Other Intangible and Long-Lived Assets -*** Other intangible assets with determinable lives consist primarily of customer relationships, developed technology, and trademarks, which are amortized over estimated useful lives typically ranging from 5 to 10 years. There are no capitalized external legal costs incurred in the defense of patents as of December 31, 2021.

Long-lived assets and intangible assets with determinable lives are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If an indicator of impairment exists for any grouping of assets, an estimate of undiscounted future cash flows is produced and compared to its carrying value. If an asset is determined to be impaired, the loss is measured by the excess of the carrying amount of the asset over its fair value as determined by an estimate of discounted future cash flows.

The Company recorded impairment charges for its long-lived assets of $4.0 million and $7.6 million during the years ended December 31, 2021 and 2020, respectively. There were no impairments of long-lived assets recorded during the year ended December 31, 2022. See Note 4. Impairment Charges for additional details.

***Other Assets and Deferred Charges*** - Investments in mutual funds of $5.0 million and $6.4 million are included in Other assets and deferred charges as of December 31, 2022 and 2021, respectively. These investments are carried at fair value based on quoted prices for identical assets in active markets, resulting in classification within Level 1 of the fair value hierarchy. Gains and losses related to the investments are recorded within the Consolidated Statements of Earnings as a component of Other (income) expense, net. Other assets and deferred charges also include non-current deferred tax assets.

***Foreign Currency*** - Assets and liabilities of non-U.S. subsidiaries, where the functional currency is not the U.S. dollar, are translated into U.S. dollars at year-end exchange rates. Revenue and expense items are translated using weighted-average yearly exchange rates. Foreign currency translation gains and losses are included as a component of Accumulated other comprehensive loss. Assets and liabilities of an entity that are denominated in currencies other than an entity's functional currency are re-measured into the functional currency using end of period exchange rates or historical rates where applicable to certain balances. Gains and losses related to these re-measurements are recorded within the Consolidated Statements of Earnings as a component of Other (income) expense, net.

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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***Revenue Recognition*** - Revenue is recognized when control of the promised goods or services is transferred to the customer in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. The majority of the Company's revenue is generated through the manufacture and sale of a broad range of specialized products and components. For product and component sales, each good sold to a customer typically represents a distinct performance obligation. The Company's performance obligation to provide goods to a customer is typically satisfied at a point in time upon completion of the shipping process as indicated by the terms of the contract, at which point control is transferred to the customer and revenue is recognized. The Company has no significant arrangements with multiple performance obligations. Remaining performance obligations consist of the aggregate amount of the total transaction price that is unsatisfied or partially satisfied. As of December 31, 2022 and 2021, our total remaining performance obligations were immaterial. The Company recognizes sales-based royalty revenue under third-party license agreements as the related sales are made by licensees.

The terms of a contract or historical business practice can give rise to variable consideration, including customer discounts, rebates, and returns. The Company estimates variable consideration using either the expected value or most likely amount method. We include amounts in the transaction price to the extent it is probable that a significant reversal of revenue will not occur in a subsequent reporting period. Our estimates of variable consideration are based on all reasonably available information (historical, current, and forecasted). Rebates are recognized over the contract period based on expected revenue levels. Sales discounts and rebates totaled $4.4 million, $5.0 million, and $4.2 million for the years ended December 31, 2022, 2021, and 2020, respectively. Returns and allowances totaled $7.1 million, $4.3 million, and $5.4 million for the years ended December 31, 2022, 2021, and 2020, respectively.

The Company accounts for shipping and handling activities that occur after control of the related good transfers to the customer as fulfillment activities rather than evaluating such activities as performance obligations. As a result, all shipping and handling costs related to contracts with customers are recognized in the Cost of goods sold line on the Consolidated Statements of Earnings. Additionally, the Company applies the practical expedient allowing incremental costs of obtaining a contract to be expensed as incurred if the amortization period of the resulting asset would have been less than one year. These costs primarily consist of sales commissions and the Company has no such significant costs exceeding the one year limit for applying the practical expedient.

Receivables, net from contracts with customers were $125.7 million and $137.7 million as of December 31, 2022 and 2021, respectively. See Note 18. Segment Information for disclosures regarding the disaggregation of revenues.

***Stock-Based Compensation*** – The principal awards issued under the stock-based compensation plans include stock options, restricted stock units ("RSUs"), and performance share units ("PSUs"). The cost for such awards is measured at the grant date based on the fair value of the award. The value of the portion of the award that is expected to ultimately vest is generally recognized as expense on a straight-line basis, generally over the explicit service period and is included in Cost of goods sold, Research and development expenses, and Selling and administrative expenses in the Consolidated Statements of Earnings, depending on the functional area of the underlying employees. At the time of grant, the Company estimates forfeitures, based on historical experience, in order to estimate the portion of the award that will ultimately vest.

The Company uses the Black-Scholes valuation model to estimate the fair value of stock options granted to employees. The fair value of each RSU granted is equal to the share price at the date of the grant. The fair value of each PSU is determined using a Monte Carlo simulation. The cost related to PSUs with performance conditions is recognized based on the expected attainment of performance targets. Changes in estimates for performance conditions that impact the number of shares expected to vest are recognized prospectively through cumulative adjustments. The cost for PSUs is recognized regardless of the expected attainment of market conditions as the grant date fair value considers the range of possible stock price and total shareholder return outcomes. See Note 14. Equity Incentive Program for additional information related to the Company's stock-based compensation.

***Income Taxes*** - The Company records a provision for income taxes for the anticipated tax consequences of the reported results of operations using the asset and liability method. Under this method, the Company recognizes deferred tax assets and liabilities for the expected future tax consequences of temporary differences between the financial reporting and tax bases of assets and liabilities, as well as for operating loss and tax credit carryforwards. Deferred tax assets and liabilities are measured using the tax rates that are expected to apply to taxable income for the years in which those tax assets and liabilities are expected to be realized or settled. The Company offsets and presents deferred tax liabilities and assets, as well as any related valuation allowance, as a single non-current amount on the Consolidated Balance Sheets on a jurisdictional basis. The Company's policy is to release income tax effects from accumulated other comprehensive loss in the period the underlying item expires.

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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The Company establishes valuation allowances for its deferred tax assets if, based on all available positive and negative evidence, it is more likely than not that some portion or all of the deferred tax assets will not be realized. In making such assessments, significant weight is given to evidence that can be objectively verified. The assessment of the need for a valuation allowance requires considerable judgment on the part of management with respect to the benefits that could be realized from future taxable income, as well as other positive and negative factors. Management considers the scheduled reversal of deferred tax liabilities, projected future taxable income, and tax-planning strategies in making this assessment.

The Company recognizes tax benefits from uncertain tax positions only if it believes that it is more likely than not that the tax position will be sustained on examination by the taxing authorities based on the technical merits of the position. Adjustments are made to these reserves when facts and circumstances change, such as the closing of a tax audit or the refinement of an estimate. To the extent that the final tax outcome of these matters is different than the amounts recorded, such differences will affect the provision for income taxes in the period in which such determination is made and could have a material impact on the Company's financial condition and operating results. The provision for income taxes includes the effects of any reserves that are believed to be appropriate, as well as the related net interest and penalties.

***Research and Development Costs –*** Research and development costs, including qualifying engineering costs, are expensed when incurred.

***Non-cash Investing Activities*** - Purchases of property, plant, and equipment included in accounts payable at December 31, 2022, 2021, and 2020 were $1.1 million, $5.4 million, and $2.0 million, respectively. These non-cash amounts are not reflected as Capital expenditures within investing activities of the Consolidated Statements of Cash Flows for the respective periods.

***Recently Adopted Accounting Standards***

In August 2020, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2020-06 to simplify the accounting for certain financial instruments with characteristics of liabilities and equity. The standard eliminates certain accounting models that separated embedded conversion features from host contracts for convertible instruments, requiring bifurcation only if the convertible feature qualifies as a derivative under Accounting Standards Codification ("ASC") 815 or for convertible instruments issued at a substantial premium. In addition, the guidance requires the if-converted method of calculating diluted earnings per share for convertible instruments, which eliminates the use of the treasury stock method for instruments that may be settled in cash or shares. The standard can be adopted on a modified retrospective basis to transactions outstanding as of the adoption date or on a fully retrospective basis to all periods presented. The Company adopted the standard using the modified retrospective method on January 1, 2022. Adoption of the standard did not impact the Consolidated Financial Statements as all of the Company's convertible instruments were settled prior to the adoption date. See Note 12. Borrowings for detail on the Company's convertible instruments that matured on November 1, 2021.

**2. Disposed and Discontinued Operations**

Management and the Board of Directors periodically conduct strategic reviews of the Company's businesses.

On November 28, 2017, the Company completed the sale of its high-end oscillators business ("Timing Device Business"), part of the Precision Devices ("PD") segment, for $130.0 million, plus purchase price adjustments for a net amount of $135.1 million. On July 7, 2016, the Company completed the sale of its speaker and receiver product line ("Speaker and Receiver Product Line") for $45.0 million in cash, less purchase price adjustments for a net amount received of $40.6 million.

In accordance with ASC 205-20, Presentation of Financial Statements – Discontinued Operations, the results of operations and financial positions of the Timing Device Business and Speaker and Receiver Product Line have been reclassified to discontinued operations for all periods presented as these disposals represent strategic shifts that had a major effect on the Company's results of operations.

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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Summarized results of the Company's discontinued operations are as follows:

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| | | |
|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2021** | **2020** |
| **Revenues** | $— | $— |
| **Operating income** |  |  |
| **Earnings from discontinued operations before taxes** |  |  |
| Benefit from income taxes <sup>(1)</sup>  | (0.2) | (3.7) |
| **Earnings from discontinued operations, net of tax** | $0.2 | $3.7 |

---

<sup>(1)</sup> The Company recorded tax benefits for refunds received during 2021 and 2020 related to the Speaker and Receiver Product Line and Timing Device Business, respectively.

Discontinued operations had no impact on the Company's results of operations for the year ended December 31, 2022. There were no assets and liabilities of discontinued operations as of December 31, 2022 and 2021.

**3. Acquisition**

On May 3, 2021, the Company acquired all of the outstanding shares of common stock of Integrated Microwave Corporation ("IMC") for $81.4 million. During the first quarter of 2022, the Company recorded a purchase price adjustment of $0.7 million that was paid during the second quarter of 2022. The adjustment, which did not impact the Consolidated Statements of Earnings, resulted in an increase to goodwill of $0.7 million. The acquired business provides RF filters to the defense, industrial, and communications markets. The transaction was accounted for under the acquisition method of accounting and the results of operations are included in the Consolidated Financial Statements from the date of acquisition in the Precision Devices ("PD") segment. Included in the Consolidated Statements of Earnings are IMC's revenues and loss before income taxes of $11.2 million and $0.3 million, respectively, from the date of acquisition through December 31, 2021.

The table below represents a preliminary allocation of the purchase price to net assets acquired as of May 3, 2021:

---

| | |
|:---|:---|
| *(in millions)* | |
| Cash | $2.2 |
| Receivables | 3.0 |
| Inventories | 2.6 |
| Property, plant, and equipment | 8.3 |
| Customer relationships | 27.7 |
| Developed technology | 5.2 |
| Trademarks and other amortized intangible assets | 1.6 |
| Goodwill | 32.0 |
| Assumed current liabilities | (1.2) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total purchase price** | $81.4 |

---

The fair value for customer relationships was determined using the multi-period excess earnings method under the income approach. This method reflects the present value of expected future cash flows less charges representing the contribution of other assets to those cash flows. The fair value for developed technology was determined using the relief from royalty method under the income approach. The fair value measurements of intangible assets are based on significant unobservable inputs, and thus represent Level 3 inputs. Significant assumptions used in assessing the fair values of customer relationships and developed technology include forecasted revenue growth rates, profit margins, customer attrition rates, royalty rates, and discount rates. Discount rates of 13.0% and 14.0% were applied to the expected future cash flows to reflect the risk related to customer relationships and developed technology, respectively. Customer relationships and developed technology will be amortized on a straight-line basis over estimated useful lives of 8 years and 10 years, respectively.

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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The excess of the total purchase price over the total fair value of the identifiable assets and liabilities was recorded as goodwill. The goodwill recognized is primarily attributable to synergies and the assembled workforce. All of the goodwill resulting from this acquisition is tax deductible. Goodwill has been allocated to the PD segment, which is the segment expected to benefit from the acquisition.

The Company believes the fair values assigned to intangible assets are based on reasonable assumptions and estimates that approximate the amounts a market participant would pay for these intangible assets as of the acquisition date. Actual results could differ materially from these estimates.

Pro-forma financial information has not been provided as the acquisition did not have a material impact on the Consolidated Statements of Earnings.

**4. Impairment Charges**

***Goodwill Impairment***

The Company tests goodwill for impairment at least annually as of October 1, or more frequently if there are events or circumstances indicating the carrying value of individual reporting units may exceed their respective fair values on a more likely than not basis.

During the second quarter of 2022, the Company identified a triggering event requiring an interim impairment assessment for the CMM reporting unit, which resulted in a goodwill impairment charge of $239.8 million The triggering event occurred due to the identification of a rapid decline in current demand and a reduction in the expected future growth rate for global consumer electronics, which resulted in reductions to forecasted revenue and terminal growth rates and profit margins.

Additionally, during the fourth quarter of 2022, the Company identified another triggering event requiring an impairment assessment of the CMM reporting unit, which resulted in a goodwill impairment charge of $231.1 million. This triggering event occurred due to the identification of further declines in forecasted demand for global consumer electronics, resulting in reductions to forecasted revenue and profit margins. In addition, the Company's assumptions for weighted average cost of capital and income tax rates increased as a result of rising interest rates and not satisfying certain tax holiday conditions. The goodwill impairment charges are presented within Impairment charges in Operating expenses on the Consolidated Statements of Earnings. No goodwill impairment charges were recorded during the years ended December 31, 2021 or 2020.

Fair value was estimated using a discounted cash flow model that included the Company's market participant assumptions, forecasted future cash flows based on historical performance and future estimated results, determinations of appropriate discount rates, and other assumptions which were considered reasonable and inherent in the discounted cash flow analysis. The fair value estimate was based on known or knowable information at the assessment date. Significant assumptions used in the model included forecasted revenue and terminal growth rates, profit margins, income tax rates, capital expenditures, working capital requirements, and the Company's weighted average cost of capital. The fair value measurements for reporting units are based on significant unobservable inputs, and thus represent Level 3 inputs.

Fair value measurements require considerable judgment and are sensitive to changes in underlying assumptions. As a result, there can be no assurance that estimates and assumptions made for purposes of the impairment assessment will prove to be an accurate prediction of the future. Potential circumstances that could have a negative effect on the fair value of our reporting units include, but are not limited to, lower than forecasted revenue and terminal growth rates, decreased profit margins, higher income taxes, increased capital expenditures, higher working capital requirements, and changes in the weighted average cost of capital. A reduction in the estimated fair value of the reporting units could trigger an impairment in the future.

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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***Long-Lived Asset Impairment***

The Company evaluates long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. The Company vacated its leased facility in Mountain View, California during the third quarter of 2020, resulting in its classification as a separate asset group. This facility was previously used by the Intelligent Audio product line, which is included within the CMM segment. Based on an assessment of market conditions, in particular the impact of the COVID-19 pandemic, the Company determined that the carrying amount of the asset group was not recoverable through undiscounted future cash flows, which included estimated sublease proceeds. The fair value of the operating lease right-of-use asset was determined by an estimate of discounted future cash flows that included estimated sublease proceeds and the determination of an appropriate discount rate based on market participant assumptions. The fair value measurements of operating lease right-of-use assets are based on significant unobservable inputs, and thus represent Level 3 inputs. Based on the excess of the carrying amount of the asset group over its fair value, the Company recorded an impairment loss of $5.4 million within Impairment charges in Operating expenses during the year ended December 31, 2020. During the third quarter of 2021, the Company determined that the remaining carrying amount of the asset group was not recoverable through undiscounted future cash flows, which included estimated sublease proceeds, due to the prolonged impact of the COVID-19 pandemic on market conditions. Based on the excess of the carrying amount of the asset group over its fair value, the Company recorded an impairment loss of $3.2 million within Impairment charges in Operating expenses during the year ended December 31, 2021.

The Company entered into an operating lease for a research and development facility in Santa Clara, California during the first quarter of 2020 that did not commence until the second quarter of 2021. During the third quarter of 2020, the Company determined a loss was probable and reasonably estimable under ASC 450, Contingencies, based on its plan to sublet a significant portion of the facility due to the restructuring of the Intelligent Audio product line and the negative impact of the COVID-19 pandemic on market conditions. The estimated loss was determined by comparing the estimated carrying amount of the operating lease right-of-use asset to be recognized for the sublet portion of the facility upon lease commencement to an estimate of discounted future cash flows that included estimated sublease proceeds and the determination of an appropriate discount rate based on market participant assumptions. These measurements are based on significant unobservable inputs, and thus represent Level 3 inputs. The Company recorded an estimated loss of $2.2 million within Impairment charges in Operating expenses during the year ended December 31, 2020. The corresponding estimated liability, which was recorded in Other liabilities on the Consolidated Balance Sheets as of December 31, 2020, reduced the right-of-use asset upon lease commencement. The lease commenced during the second quarter of 2021, resulting in the recognition of operating lease liabilities of $4.0 million and right-of-use assets of $2.4 million. During the third quarter of 2021, the Company determined that the remaining carrying amount of the operating lease right-of-use asset was not recoverable through undiscounted future cash flows, which included estimated sublease proceeds, due to the prolonged impact of the COVID-19 pandemic on market conditions. Based on the excess of the carrying amount of the operating lease right-of-use asset over its fair value, the Company recorded an impairment loss of $0.8 million within Impairment charges in Operating expenses during the year ended December 31, 2021.

If actual results differ from estimated amounts, additional impairment charges may be recorded in the future.

**5. Inventories, net**

The following table details the major components of inventories, net:

---

| | | |
|:---|:---|:---|
| *(in millions)* | **December 31, 2022** | **December 31, 2021** |
| Raw materials | $116.1 | $89.6 |
| Work in progress | 28.3 | 33.6 |
| Finished goods | 62.8 | 66.7 |
| **Subtotal** | 207.2 | 189.9 |
| Less reserves | (37.7) | (36.8) |
| **Total** | $169.5 | $153.1 |

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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**6. Property, Plant, and Equipment, net**

The following table details the major components of property, plant, and equipment, net:

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| | | |
|:---|:---|:---|
| *(in millions)* | **December 31, 2022** | **December 31, 2021** |
| Land | $12.5 | $12.9 |
| Buildings and improvements | 114.6 | 119.3 |
| Machinery, equipment, and other | 531.2 | 575.0 |
| **Subtotal** | 658.3 | 707.2 |
| Less accumulated depreciation | (496.5) | (506.4) |
| **Total** | $161.8 | $200.8 |

---

Depreciation expense totaled $41.7 million, $46.6 million, and $47.6 million for the years ended December 31, 2022, 2021, and 2020, respectively.

**7. Goodwill and Other Intangible Assets**

The changes in the carrying value of goodwill by reportable segment for the years ended December 31, 2022 and 2021 are as follows:

---

| | | | | |
|:---|:---|:---|:---|:---|
| *(in millions)* | **Precision Devices** | **MedTech & Specialty Audio** | **Consumer MEMS Microphones** | **Total** |
| **Balance at January 1, 2021** | $31.2 | $137.7 | $741.1 | $910.0 |
| Acquisitions | 31.3 |  |  | 31.3 |
| **Balance at December 31, 2021** | 62.5 | 137.7 | 741.1 | 941.3 |
| Impairment charges <sup>(1)</sup> |  |  | (470.9) | (470.9) |
| Purchase price adjustment | 0.7 |  |  | 0.7 |
| Foreign currency translation |  |  | (0.1) | (0.1) |
| **Balance at December 31, 2022** | $63.2 | $137.7 | $270.1 | $471.0 |
| <sup>(1)</sup> During the year ended December 31, 2022 the Company recorded total goodwill impairment charges of $470.9 million. See Note 4. Impairment Charges for more information. | <sup>(1)</sup> During the year ended December 31, 2022 the Company recorded total goodwill impairment charges of $470.9 million. See Note 4. Impairment Charges for more information. | <sup>(1)</sup> During the year ended December 31, 2022 the Company recorded total goodwill impairment charges of $470.9 million. See Note 4. Impairment Charges for more information. | <sup>(1)</sup> During the year ended December 31, 2022 the Company recorded total goodwill impairment charges of $470.9 million. See Note 4. Impairment Charges for more information. | <sup>(1)</sup> During the year ended December 31, 2022 the Company recorded total goodwill impairment charges of $470.9 million. See Note 4. Impairment Charges for more information. |

---

MSA and CMM were previously aggregated as one reportable segment, "Audio." Subsequent to the Company's change in reportable segments in the fourth quarter of 2022 (as discussed in Note 18. Segment Information), the Company allocated goodwill to MSA and CMM based on the historical balances for each respective business unit. The Company had no change in its reporting units as a result of the change in its reportable segments in 2022.

The gross carrying value and accumulated amortization for each major class of intangible assets are as follows:

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| | | | | |
|:---|:---|:---|:---|:---|
| | **December 31, 2022** | **December 31, 2022** | **December 31, 2021** | **December 31, 2021** |
| *(in millions)* | **Gross Carrying<br>Amount** | **Accumulated<br>Amortization** | **Gross Carrying<br>Amount** | **Accumulated<br>Amortization** |
| **Amortized intangible assets:** |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Trademarks | $2.0 | $0.8 | $2.0 | $0.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Customer relationships | 36.4 | 10.3 | 36.4 | 5.9 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Developed technology | 45.4 | 20.1 | 45.4 | 13.2 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other | 2.4 | 1.9 | 2.4 | 1.2 |
| **Total** | 86.2 | 33.1 | 86.2 | 20.9 |
| **Unamortized intangible assets:** |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Trademarks | 32.0 |  | 32.0 |  |
| **Total intangible assets, net** | $85.1 |  | $97.3 |  |

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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As of December 31, 2022, the weighted average remaining useful lives for the amortizable intangible assets are: trademarks at 6.8 years, customer relationships at 6.1 years, developed technology at 4.5 years, and other at 8.2 years. The weighted average remaining useful life in total for all amortizable intangible assets was 5.4 years as of December 31, 2022.

Total amortization expense for the years ended December 31, 2022, 2021, and 2020 was $12.2 million, $15.9 million, and $13.0 million, respectively. Amortization expense for the next five years, based on current definite-lived intangible balances, is estimated to be as follows:

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| | |
|:---|:---|
| *(in millions)* | |
| 2023 | $11.6 |
| 2024 | 11.6 |
| 2025 | 11.2 |
| 2026 | 5.3 |
| 2027 | 5.3 |
| 2028 and thereafter | 8.1 |
| **Total** | $53.1 |

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**8. Leases**

The Company has leases for manufacturing, sales, support, and engineering facilities, certain manufacturing and office equipment, and vehicles. The majority of the leases have remaining terms of 1 to 5 years, some of which include options to extend the leases for up to 6 years, and some of which include options to terminate the leases within 1 year. The lease agreements do not contain any material residual value guarantees or material restrictive covenants. The Company subleases certain facilities to third parties.

The following table details the components of lease cost:

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| Operating lease cost <sup>(1)</sup> | $8.2 | $9.9 | $9.9 |
| Finance lease cost: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Amortization of right-of-use assets | 2.3 | 2.3 | 2.1 |
| &nbsp;&nbsp;&nbsp;&nbsp;Interest on lease liabilities | 0.3 | 0.4 | 0.5 |
| Sublease income | (3.5) | (3.0) | (3.0) |
| **Total lease cost** | $7.3 | $9.6 | $9.5 |

---

<sup>(1)</sup> Includes short-term and variable lease costs, which were immaterial.

The components of lease cost other than Interest on lease liabilities are presented within the Cost of goods sold, Research and development expenses, and Selling and administrative expenses lines on the Consolidated Statements of Earnings based on the use of the underlying assets. Interest on lease liabilities is presented within the Interest expense, net line on the Consolidated Statements of Earnings.

The following table presents supplemental balance sheet information related to finance leases:

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| | | | |
|:---|:---|:---|:---|
| *(in millions)* | **Balance Sheet Line** | **December 31, 2022** | **December 31, 2021** |
| Finance lease right-of-use assets | Property, plant, and equipment, net | $5.3 | $8.1 |
| Current finance lease liabilities | Other accrued expenses | $2.5 | $2.7 |
| Long-term finance lease liabilities | Other liabilities | 1.4 | 3.6 |
| Total finance lease liabilities |  | $3.9 | $6.3 |

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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The following table presents supplemental cash flow information related to leases:

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Operating cash flows from operating leases | $12.4 | $10.2 | $9.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;Operating cash flows from finance leases | 0.3 | 0.4 | 0.5 |
| &nbsp;&nbsp;&nbsp;&nbsp;Financing cash flows from finance leases | 4.8 | 2.3 | 2.0 |
| Lease liabilities arising from obtaining right-of-use assets: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Operating leases | $2.0 | $6.5 | $2.2 |
| &nbsp;&nbsp;&nbsp;&nbsp;Finance leases | 0.4 | 0.3 | 0.1 |

---

The following table details weighted-average remaining lease terms and discount rates:

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| | | |
|:---|:---|:---|
| | **December 31, 2022** | **December 31, 2021** |
| Weighted-average remaining lease term (in years): |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Operating leases | 2.5 | 3.1 |
| &nbsp;&nbsp;&nbsp;&nbsp;Finance leases | 2.2 | 3.1 |
| Weighted-average discount rate: |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Operating leases | 3.4% | 3.8% |
| &nbsp;&nbsp;&nbsp;&nbsp;Finance leases | 5.3% | 5.4% |

---

The following table details maturities of lease liabilities as of December 31, 2022:

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| | | |
|:---|:---|:---|
| *(in millions)* | **Operating Leases** | **Finance Leases** |
| 2023 | $8.8 | $2.5 |
| 2024 | 4.2 | 1.4 |
| 2025 | 2.0 | 0.1 |
| 2026 | 0.7 | 0.1 |
| 2027 | 0.3 |  |
| 2028 and thereafter |  |  |
| **Total lease payments** | 16.0 | 4.1 |
| Less interest | (0.4) | (0.2) |
| **Present value of lease liabilities** | $15.6 | $3.9 |

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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**9. Other Accrued Expenses and Other Liabilities**

The following table details the major components of other accrued expenses:

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| | | |
|:---|:---|:---|
| *(in millions)* | **December 31, 2022** | **December 31, 2021** |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sales volume rebates | $4.0 | $4.9 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Restructuring and exit costs | 4.0 | 0.4 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Current finance lease liabilities | 2.5 | 2.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accrued taxes other than income taxes | 1.8 | 4.2 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accrued insurance | 1.6 | 1.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Hedging liability | 0.8 | 0.2 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Warranty | 0.4 | 0.5 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other | 4.8 | 4.8 |
| **Total** | $19.9 | $19.4 |

---

The following table details the major components of other liabilities:

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| | | |
|:---|:---|:---|
| *(in millions)* | **December 31, 2022** | **December 31, 2021** |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Restructuring and exit costs | $18.7 | $— |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deferred compensation, including defined benefit plans | 12.9 | 13.9 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Unrecognized tax benefits | 2.5 | 2.0 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Unearned/deferred revenue | 2.5 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Long-term finance lease liabilities | 1.4 | 3.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other | 0.8 | 1.1 |
| **Total** | $38.8 | $20.6 |

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***Warranty Accruals***

Estimated warranty program claims are provided for at the time of sale. Amounts provided for are based on historical costs and adjusted for new claims. The changes in the carrying amount of product warranties were as follows:

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| **Beginning balance, January 1** | $0.5 | $0.4 | $0.9 |
| Provision for warranties | 0.6 | 1.0 | 3.8 |
| Settlements made | (0.5) | (0.9) | (4.3) |
| **Ending balance, December 31** | $0.4 | $0.5 | $0.4 |

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**10. Restructuring and Related Activities**

Restructuring and related activities are designed to better align the Company's operations with current market conditions through targeted facility consolidations, headcount reductions, and other measures to further optimize operations.

During the year ended December 31, 2022, the Company restructured its MEMS microphones product line through two restructuring programs, which are included within the CMM segment. These actions resulted in the settlement of supplier obligations, non-cash fixed asset write-offs, and severance pay. During the year ended December 31, 2022, the Company recorded restructuring charges of $39.0 million related to this action, including $21.1 million for the settlement of supplier obligations, $13.5 million in fixed asset write-off costs, and $4.4 million in severance pay and benefits.

In addition, during the year ended December 31, 2022, the Company recorded restructuring charges of $2.2 million for severance pay and benefits to rationalize the Intelligent Audio product line workforce, which is included within the CMM segment, and $0.6 million for other costs.

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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During the year ended December 31, 2022 the Company recorded total restructuring charges within Gross profit of $32.2 million, primarily for the settlement of supplier obligations, non-cash fixed asset write-offs, and severance pay associated with the MEMS microphones product line. During the year ended December 31, 2021, the Company recorded restructuring charges within Operating expenses of $9.6 million primarily for the settlement of supplier obligations and severance pay and benefits associated with the MEMS microphones product line and other actions to rationalize the Intelligent Audio product line workforce.

No restructuring charges were recorded within Gross profit for the year ended December 31, 2021. During the year ended December 31, 2021, the Company recorded restructuring charges within Operating expenses of $0.5 million. These charges were primarily for actions associated with the Intelligent Audio product line, which is included within the CMM segment.

During the year ended December 31, 2020, the Company restructured its Intelligent Audio product line. These actions resulted in a reduction in workforce and the refocusing of certain research and development activities. The Company recorded restructuring charges of $8.3 million related to these actions, including $5.4 million in severance pay and benefits, $1.7 million in fixed asset write-off costs, and $1.2 million in contract termination costs.

In addition, during the year ended December 31, 2020, the Company recorded restructuring charges of $4.0 million for severance pay and benefits primarily to rationalize the remaining CMM segment workforce as a direct result of the lower demand the Company experienced due to the COVID-19 pandemic.

During the year ended December 31, 2020, the Company recorded total restructuring charges within Gross profit of $2.3 million, primarily for fixed asset write-off costs and severance pay and benefits associated with the restructuring of the Intelligent Audio product line and other actions to rationalize the remaining CMM segment workforce. The Company also recorded total restructuring charges within Operating expenses of $10.0 million, primarily for severance pay and benefits and contract termination costs associated with the restructuring of the Intelligent Audio product line and other actions to rationalize the remaining CMM segment workforce.

The following table details restructuring charges incurred by reportable segment for the periods presented:

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| Precision Devices | $— | $0.1 | $0.1 |
| MedTech & Specialty Audio |  | 0.1 | 1.2 |
| Consumer MEMS Microphones | 41.2 | 0.3 | 9.3 |
| Corporate | 0.6 |  | 1.7 |
| **Total** | $41.8 | $0.5 | $12.3 |

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| | |
|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

The following table details the Company's severance and other restructuring accrual activity:

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| | | | |
|:---|:---|:---|:---|
| *(in millions)* | **Severance Pay and Benefits** | **Contract Termination and Other Costs** | **Total** |
| **Balance at January 1, 2020** | $1.4 | $— | $1.4 |
| Restructuring charges | 9.4 | 1.2 | 10.6 |
| Payments | (8.9) | (0.5) | (9.4) |
| **Balance at December 31, 2020** | 1.9 | 0.7 | 2.6 |
| Restructuring charges | 0.5 |  | 0.5 |
| Payments | (2.0) | (0.7) | (2.7) |
| **Balance at December 31, 2021** | 0.4 |  | 0.4 |
| Restructuring charges | 6.6 | 35.2 | 41.8 |
| Payments | (6.2) | (1.6) | (7.8) |
| Other, including foreign currency <sup>(1)</sup> | 0.1 | (11.8) | (11.7) |
| **Balance at December 31, 2022** | $0.9 | $21.8 | $22.7 |
| <sup>(1)</sup> Other activity includes the non-cash disposal of fixed assets of $13.5 million within the MEMS microphones product line. | <sup>(1)</sup> Other activity includes the non-cash disposal of fixed assets of $13.5 million within the MEMS microphones product line. | <sup>(1)</sup> Other activity includes the non-cash disposal of fixed assets of $13.5 million within the MEMS microphones product line. | <sup>(1)</sup> Other activity includes the non-cash disposal of fixed assets of $13.5 million within the MEMS microphones product line. |

---

The severance and restructuring accruals are recorded in the following line items on the Consolidated Balance Sheets:

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| | | |
|:---|:---|:---|
| *(in millions)* | **December 31, 2022** | **December 31, 2021** |
| Other accrued expenses | $4.0 | $0.4 |
| Other liabilities | 18.7 |  |
| **Total** | $22.7 | $0.4 |

---

**11. Hedging Transactions and Derivative Instruments**

The Company is affected by changes in certain market conditions. These changes in market conditions may adversely impact the Company's financial performance and are referred to as "market risks." The Company uses derivatives as a risk management tool to mitigate the potential impact of certain market risks, which are primarily foreign currency risk related to ongoing business operations.

***Cash Flow Hedging***

The Company uses cash flow hedges to minimize the variability in cash flows of assets, liabilities, or forecasted transactions caused by fluctuations in foreign currency exchange rates. These derivatives, which are designated cash flow hedges, are carried at fair value. The changes in their fair values are recorded to Accumulated Other Comprehensive Income (Loss) ("AOCI") and reclassified in current earnings when the hedge contract matures or becomes ineffective.

To manage its exposure to foreign currency exchange rates, the Company has entered into currency deliverable forward contracts. These derivative instruments allow the Company to hedge portions of its forecasted funding needs, which are generally expected to occur within the next twelve months and are denominated in currencies other than the U.S. dollar. The Company maintains a foreign currency cash flow hedging program primarily to reduce the risk that the net U.S. dollar cash inflows and non-U.S. dollar net cash outflows will be adversely affected by changes in foreign currency exchange rates. At December 31, 2022 and 2021, the notional value of the derivatives related to currency forward contracts, principally the Chinese yuan, Malaysian ringgit, and Philippine peso, was $68.0 million and $59.4 million, respectively. The Company presents the impact of foreign exchange contracts qualifying as cash flow hedges within the Cost of goods sold line on the Consolidated Statements of Earnings, which is the same line used to present the earnings effect of the hedged item.

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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***Economic (Non-Designated) Hedging***

In addition to derivative instruments that are designated and qualify for hedge accounting, the Company also uses certain derivatives as economic hedges of foreign currency risk. Although these derivatives were not designated and/or did not qualify for hedge accounting, they are effectively economic hedges. The changes in fair value of these economic hedges are immediately recognized in earnings.

The Company uses foreign currency economic hedges to offset the earnings impact that fluctuations in foreign currency exchange rates have on certain monetary assets and liabilities denominated in non-functional currencies. The Company does not enter into these hedges for speculative reasons. These derivatives are carried at fair value with changes in fair value immediately recognized in earnings within Other (income) expense, net. In addition, these derivative instruments minimize the impact of exchange rate movements on the Company's balance sheet, as the gains or losses on these derivatives are intended to offset gains and losses from the reduction of the hedged assets and liabilities. At December 31, 2022 and 2021, the notional value of the derivatives related to economic hedging was $86.3 million and $93.2 million, respectively.

The notional amounts of the derivative financial instruments do not necessarily represent amounts exchanged by the parties and, therefore, are not a direct measure of our exposure to the financial risks described above. The amounts exchanged are calculated by reference to the notional amounts and by other terms of the derivatives, such as foreign currency exchange rates or other financial indices. The Company does not view the fair values of its derivatives in isolation, but rather in relation to the fair values or cash flows of the underlying hedged transactions or other exposures. Virtually all of our derivatives are straightforward over-the-counter instruments with liquid markets.

***Fair Value Measurements***

All derivatives are carried at fair value on the Company's Consolidated Balance Sheets. ASC 820, Fair Value Measurement, establishes a fair value hierarchy that requires the Company to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. A financial instrument's categorization within the hierarchy is based on the lowest level of input that is significant to the fair value measurement. ASC 820 establishes three levels of inputs that may be used to measure fair value as follows:

Level 1 - Quoted prices (unadjusted) in active markets for identical assets or liabilities.

Level 2 - Observable inputs other than quoted prices included in Level 1, such as quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of assets or liabilities.

Level 3 - Unobservable inputs for which little or no market data exists, therefore requiring an entity to develop its own assumptions.

The Company determines the fair values of its derivatives based on standard valuation models or observable market inputs such as quoted market prices or foreign currency exchange rates; therefore, the Company classifies the derivatives within Level 2 of the valuation hierarchy.

The fair values of derivative instruments held by the Company are as follows (in millions):

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| | | | | |
|:---|:---|:---|:---|:---|
| | | | **Derivative Assets (Liabilities)** | **Derivative Assets (Liabilities)** |
| **Hedge Type** | **Contract Type** | **Balance Sheet Line** | **December 31, 2022** | **December 31, 2021** |
| **Derivatives designated as hedging instruments** | **Derivatives designated as hedging instruments** | **Derivatives designated as hedging instruments** | | |
| Cash flow hedges | Foreign exchange contracts | Prepaid and other current assets | $1.1 | $0.7 |
| Cash flow hedges | Foreign exchange contracts | Other assets and deferred charges | 1.3 |  |
| Cash flow hedges | Foreign exchange contracts | Other accrued expenses | (0.8) | (0.2) |
| **Derivatives not designated as hedging instruments** | **Derivatives not designated as hedging instruments** | **Derivatives not designated as hedging instruments** |  |  |
| Economic hedges | Foreign exchange contracts | Prepaid and other current assets | 0.6 | 0.3 |

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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The pre-tax amount of unrealized (loss) gain recognized in accumulated other comprehensive loss on derivatives designated as hedging instruments is as follows (in millions):

---

| | | | | |
|:---|:---|:---|:---|:---|
| | | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| **Hedge Type** | **Contract Type** | **2022** | **2021** | **2020** |
| Cash flow hedges | Foreign exchange contracts | $(3.4) | $0.5 | $2.6 |

---

The table above excludes a tax benefit of $0.6 million for the year ended December 31, 2022 and tax expense of $0.2 million and $0.6 million for the years ended December 31, 2021 and 2020, respectively.

The pre-tax impact of derivatives on the Consolidated Statements of Earnings is as follows (in millions):

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| | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|
| | | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| | | **2022** | **2022** | **2021** | **2021** | **2020** | **2020** |
| **Hedge Type** | **Contract Type** | **Cost of goods sold** | **Other (income) expense, net** | **Cost of goods sold** | **Other (income) expense, net** | **Cost of goods sold** | **Other (income) expense, net** |
| **Total amounts per Consolidated Statements of Earnings** | **Total amounts per Consolidated Statements of Earnings** | $456.2 | $(0.5) | $508.6 | $(3.0) | $490.8 | $1.5 |
| **Effect of derivatives designated as hedging instruments** | **Effect of derivatives designated as hedging instruments** | **Effect of derivatives designated as hedging instruments** | **Effect of derivatives designated as hedging instruments** | **Effect of derivatives designated as hedging instruments** | **Effect of derivatives designated as hedging instruments** |  |  |
| Amount of loss (gain) reclassified from accumulated other comprehensive loss into earnings: | Amount of loss (gain) reclassified from accumulated other comprehensive loss into earnings: | Amount of loss (gain) reclassified from accumulated other comprehensive loss into earnings: | Amount of loss (gain) reclassified from accumulated other comprehensive loss into earnings: | Amount of loss (gain) reclassified from accumulated other comprehensive loss into earnings: | Amount of loss (gain) reclassified from accumulated other comprehensive loss into earnings: | Amount of loss (gain) reclassified from accumulated other comprehensive loss into earnings: | Amount of loss (gain) reclassified from accumulated other comprehensive loss into earnings: |
| &nbsp;&nbsp;&nbsp;&nbsp;Cash flow hedges | &nbsp;&nbsp;Foreign exchange contracts | 4.5 |  | (2.1) |  | (1.2) |  |
| **Effect of derivatives not designated as hedging instruments** | **Effect of derivatives not designated as hedging instruments** | **Effect of derivatives not designated as hedging instruments** | **Effect of derivatives not designated as hedging instruments** | **Effect of derivatives not designated as hedging instruments** | **Effect of derivatives not designated as hedging instruments** |  |  |
| &nbsp;&nbsp;&nbsp;Amount of loss (gain) recognized in earnings: | &nbsp;&nbsp;&nbsp;Amount of loss (gain) recognized in earnings: |  |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Economic hedges | &nbsp;&nbsp;Foreign exchange contracts |  | 1.0 |  | (1.4) |  | (2.9) |

---

**12. Borrowings**

***Revolving Credit Facility***

Revolving credit facility borrowings consist of the following:

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| | | |
|:---|:---|:---|
| *(in millions)* | **December 31, 2022** | **December 31, 2021** |
| $400.0 million revolving credit facility | $45.0 | $70.0 |
| Less current maturities <sup>(1)</sup> |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Long-term portion | $45.0 | $70.0 |

---

<sup>(1)</sup> There are no required principal payments due until maturity in January 2024.

On September 4, 2020, the Company entered into a Credit Agreement (the "2020 Credit Agreement"). The 2020 Credit Agreement provided for a senior secured revolving credit facility (the "2020 Credit Facility") with borrowings in an aggregate principal amount at any time outstanding not to exceed $400.0 million. The 2020 Credit Agreement served as refinancing of indebtedness and terminated the Company's Revolving Credit Facility Agreement dated as of October 11, 2017 (the "2017 Credit Facility"). The 2017 Credit Facility consisted of a $400.0 million senior secured revolving credit facility.

At any time during the term of the 2020 Credit Facility, the Company was permitted to increase the commitments under the 2020 Credit Facility or to establish one or more incremental term loan facilities under the 2020 Credit Facility in an aggregate principal amount not to exceed $200.0 million for all such incremental facilities. Commitments under the 2020 Credit Facility were set to terminate, and loans outstanding thereunder were set to mature, on January 2, 2024.

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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The 2020 Credit Agreement included requirements, to be tested quarterly, that the Company maintain (i) a minimum ratio of Consolidated EBITDA to consolidated interest expense of 3.25 to 1.0, (the "Interest Coverage Ratio"), (ii) a maximum ratio of Consolidated total indebtedness to Consolidated EBITDA of 3.75 to 1.0 (the "Total Leverage Ratio"), and (iii) a maximum ratio of senior secured indebtedness to Consolidated EBITDA of 3.25 to 1.0 (the "Senior Secured Leverage Ratio"). For these ratios, Consolidated EBITDA and consolidated interest expense are calculated using the most recent four consecutive fiscal quarters in a manner defined in the 2020 Credit Agreement. At December 31, 2022, the Company was in compliance with these covenants.

The interest rates under the 2020 Credit Facility were, at the Borrowers' option (1) LIBOR (or EURIBOR for borrowings denominated in Euro; or SONIA for borrowings denominated in Pounds Sterling) plus the rates per annum determined from time to time based on the total leverage ratio of the Company as of the end of and for the most recent period of four fiscal quarters for which financial statements have been delivered (the "Applicable Margin"); or (2) in the case of borrowings denominated in U.S. dollars, alternate base rate ("ABR") (as defined in the 2020 Credit Agreement) plus the Applicable Margin. The Applicable Margin for LIBOR could range from 1.50% to 2.50% while the Applicable Margin for ABR could range from 0.50% to 1.50%.

The interest rate under the 2020 Credit Facility was variable based on LIBOR at the time of the borrowing and the Applicable Margin. In addition, a commitment fee accrued on the average daily unused portion of the 2020 Credit Facility at a rate of 0.225% to 0.375%.

The weighted-average interest rate on the Company's borrowings under the 2020 Credit Facility and the 2017 Credit Facility was 3.21%, 2.25%, and 2.20% for the years ended December 31, 2022, 2021, and 2020, respectively. The weighted-average commitment fee on the revolving lines of credit was 0.23% for the year ended December 31, 2022, and 0.26% for the years ended December 31, 2021 and 2020, respectively.

On February 8, 2023, the Company entered into an Amended and Restated Credit Agreement (the "A&R Credit Agreement"). that amends and restates the 2020 Credit Agreement. For additional information, refer to Note 20. Subsequent Events.

Interest expense and interest income for the years ended December 31, 2022, 2021, and 2020 were as follows:

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| Interest expense | $4.3 | $14.4 | $17.1 |
| Interest income | (0.4) | (0.2) | (0.7) |
| Interest expense, net | $3.9 | $14.2 | $16.4 |

---

***3.25% Convertible Senior Notes Due November 1, 2021***

In May 2016, the Company issued $172.5 million aggregate principal amount of 3.25% convertible senior notes which matured on November 1, 2021 (the "Notes"). Interest was payable semiannually in arrears on May 1 and November 1 of each year. The Notes were governed by an Indenture between the Company, as issuer, and U.S. Bank National Association as trustee. Upon conversion, the Company could elect to pay or deliver cash, shares of the Company's common stock, or a combination of cash and shares of common stock. The conversion rate was 54.2741 shares of common stock per $1,000 principal amount of Notes. The conversion price was $18.4250 per share of common stock. The Notes were senior unsecured obligations.

Upon maturity of the Notes, the Company settled the principal amount of $172.5 million in cash and the excess conversion value by delivering 0.4 million shares of its common stock held in treasury. The shares of common stock delivered to settle the excess conversion value of the Notes were offset by shares received under the convertible note hedge transactions described below. Settlement of the excess conversion value resulted in a $5.9 million decrease in treasury stock, which was measured based on the acquisition cost of the delivered shares determined on a FIFO basis, offset by an equivalent decrease in additional paid-in capital with no net impact to equity.

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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In accounting for the issuance of the Notes, the Company separated the Notes into liability and equity components. The carrying amount of the liability component was calculated by measuring the fair value of a similar liability that did not have an associated convertible feature. The carrying amount of the equity component representing the conversion option was determined by deducting the fair value of the liability component from the face value of the Notes as a whole. The excess of the principal amount of the liability component over its carrying amount was amortized to interest expense over the term of the Notes. The equity component recorded within additional paid-in capital of $29.9 million was not remeasured as it continued to meet the conditions for equity classification.

The following table sets forth total interest expense recognized related to the Notes:

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| | | |
|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2021** | **2020** |
| 3.25% coupon | $4.7 | $5.6 |
| Amortization of debt issuance costs | 0.8 | 0.9 |
| Amortization of debt discount | 6.6 | 7.4 |
| Total | $12.1 | $13.9 |

---

***Note Hedges***

To minimize the impact of potential economic dilution upon conversion of the Notes, the Company entered into convertible note hedge transactions (the "Note Hedges") with respect to its common stock. In the second quarter of 2016, the Company paid an aggregate amount of $44.5 million for the Note Hedges. The Note Hedges were separate transactions entered into by the Company, and are not part of the Notes or the Warrants, and were accounted for as part of additional paid-in capital. Holders of the Notes did not have any rights with respect to the Note Hedges.

The Company exercised its rights under the Note Hedges upon maturity of the Notes in November 2021, which resulted in the receipt of 0.4 million shares of its common stock to be held in treasury. These transactions resulted in a $7.6 million increase in treasury stock, which was measured based on the prevailing fair market value of the shares received, offset by an equivalent increase in additional paid-in capital with no net impact to equity.

***Warrants***

In the second quarter of 2016, the Company entered into warrant transactions, whereby the Company sold warrants to acquire shares of the Company's common stock at a strike price of $21.1050 per share (the "Warrants"). The Company received aggregate proceeds of $39.1 million from the sale of the Warrants. The Warrants were separate transactions entered into by the Company, and were not part of the Notes, and were accounted for as part of additional paid-in capital.

The Warrants expired during the first quarter of 2022, which resulted in the Company delivering 0.2 million shares of its common stock held in treasury. Settlement of the Warrants resulted in a $3.1 million decrease in treasury stock, which was measured based on the acquisition cost of the delivered shares determined on a first-in, first-out ("FIFO") basis, offset by an equivalent decrease in additional paid-in capital with no net impact to equity.

**13. Income Taxes**

The components of (loss) earnings before income taxes and discontinued operations were:

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| Domestic | $(410.1) | $15.5 | $(26.2) |
| Foreign | (8.1) | 89.1 | 37.5 |
| **Total (loss) earnings before income taxes and discontinued operations** | $(418.2) | $104.6 | $11.3 |

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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Income tax expense (benefit) for the years ended December 31, 2022, 2021, and 2020 is comprised of the following:

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| Current: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;U.S. Federal | $1.2 | $0.4 | $0.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;State and local | 0.6 | 0.3 | 0.2 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Foreign | 5.5 | 14.8 | 10.3 |
| **Total current tax expense** | $7.3 | $15.5 | $11.2 |
| Deferred: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;U.S. Federal | $3.0 | $(57.1) | $(0.4) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;State and local | (0.3) | (2.6) | 0.2 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Foreign | 1.9 | (1.4) | (2.6) |
| **Total deferred tax expense (benefit)** | 4.6 | (61.1) | (2.8) |
| **Total income tax expense (benefit)** | $11.9 | $(45.6) | $8.4 |

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The reconciliation of income tax expense (benefit) at the U.S. Federal income tax rate to the Company's actual income tax expense (benefit) was as follows:

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| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| | **2022** | **2021** | **2020** |
| Income tax expense (benefit) at U.S. federal statutory income tax rate | $(87.8) | $22 | $2.4 |
| State and local taxes, net of Federal income tax benefit | 0.6 | 0.3 | 0.5 |
| Foreign operations tax effect | 6.4 | 3.5 | 2.0 |
| Research and experimentation tax credits | (3.4) | (4.0) | (3.3) |
| Valuation allowance | 0.8 | (59.7) | 9.6 |
| Tax contingencies | (1.1) | 0.6 |  |
| Tax holiday | (0.4) | (10.6) | (4.3) |
| Foreign taxes | 1.1 | 1.0 | 0.3 |
| Non-deductible and non-taxable interest | 0.2 | (0.2) | 0.1 |
| Stock-based compensation | 1.8 | 5.1 | 1.3 |
| Other, principally non-tax deductible items | 1.2 | 0.1 | 0.1 |
| Goodwill impairment | 90.6 |  |  |
| Global low tax and foreign derived intangible income | 0.1 | (2.5) | 1.4 |
| Foreign currency adjustments |  | (0.7) | (0.7) |
| Prior period items | 1.8 | (0.5) | (1.0) |
| **Total income tax expense (benefit)** | $11.9 | $(45.6) | $8.4 |

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| | |
|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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The Company's effective tax rate was favorably impacted by three tax holidays - two holidays granted to us by Malaysia, one which would have been effective through December 31, 2026 and the other which expired on July 31, 2021, and a tax holiday granted by China (the "Hi-Tech Rate"). Each of our tax holidays is subject to the Company's satisfaction of certain conditions. As a result of the rapid decline in current demand for global consumer electronics during 2022, we will not satisfy all the conditions of our tax holiday in Malaysia that was in effect January 1, 2022. As such, we are not including this tax holiday benefit in our 2022 effective tax rate. For additional information, refer to Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations.

The Hi-Tech Rate is a preferential tax rate for high technology enterprises for Chinese tax purposes that is effective for the Company's annual tax filings 2021 through 2023. This benefit is being reflected as a tax holiday in the effective tax rate. We expect to continue to satisfy the conditions for the Hi-Tech Rate. If the Company fails to satisfy such conditions, the Company's effective tax rate may be adversely impacted.

The continuing operations benefit of incentives for the years ending December 31, 2022, 2021, and 2020 is estimated to be $0.8 million, $10.7 million, and $3.8 million, respectively. The continuing operations benefit of tax holidays on a basic per share basis for the years ending December 31, 2022, 2021, and 2020 was, $0.01, $0.12, and $0.04, respectively.

The components of the Company's deferred tax assets and liabilities included the following:

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| | | |
|:---|:---|:---|
| *(in millions)* | **December 31, 2022** | **December 31, 2021** |
| **Deferred tax assets:** |  |  |
| Accrued compensation, principally post-retirement, and other employee benefits | $11.0 | $10.4 |
| Accrued expenses, principally for state income taxes and warranty | 4.4 | 6.1 |
| Accrued interest | 1.5 | 5.9 |
| Net operating loss and other carryforwards | 68.0 | 70.9 |
| Inventories, principally due to reserves for financial reporting purposes and capitalization for tax purposes | 8.2 | 7.7 |
| Unremitted earnings of non-U.S. subsidiaries | 2.0 | 0.7 |
| Intangible assets, principally due to different tax and financial reporting bases | 6.9 | 0.6 |
| Plant and equipment, principally due to differences in depreciation | 13.8 | 17.0 |
| **Total gross deferred tax assets** | 115.8 | 119.3 |
| **Valuation allowance** | (39.7) | (39.1) |
| **Total deferred tax assets** | $76.1 | $80.2 |
| **Deferred tax liabilities:** |  |  |
| Other liabilities | $(2.2) | $(2.1) |
| **Total gross deferred tax liabilities** | (2.2) | (2.1) |
| **Net deferred tax asset** | $73.9 | $78.1 |
| **Classified as follows in the Consolidated Balance Sheets:** |  |  |
| Other assets and deferred charges (non-current deferred tax assets) | $74.8 | $78.7 |
| Deferred income taxes (non-current deferred tax liabilities) | (0.9) | (0.6) |
| **Net deferred tax asset** | $73.9 | $78.1 |

---

The Company recorded valuation allowances of $39.7 million and $39.1 million at December 31, 2022 and 2021, respectively, against deferred tax assets from continuing operations as the Company believes it is more likely than not that these assets will not be realized. At December 31, 2021, we recognized an income tax benefit of $59.1 million related to the reversal of our U.S. deferred tax asset valuation allowance. The Company routinely reviews the future realization of deferred tax assets based on projected future reversal of taxable temporary differences, available tax planning strategies, and projected future taxable income. Management believes that it is more likely than not that the Company will realize the benefits of the remaining deferred tax assets.

------

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| | |
|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

At December 31, 2022, the Company had $4.5 million of U.S. federal net operating losses that are available, of which $2.4 million will expire in the next 5 to 10 years, and of which $2.1 million will expire in the next 11 to 20 years. There are $3.1 million of domestic State net operating losses that are available between 2027 and 2040. There are $5.2 million of non-U.S. net operating loss carryforwards, of which $0.3 million will expire in the next 5 years; $4.2 million will expire in the next 10 to 20 years; $0.6 million can be carried forward indefinitely; and $0.1 million is capital loss carried forward indefinitely.

The Company has $25.2 million of U.S. federal research and development credits that begin to expire in 2023 and $14.1 million of foreign tax credits that begin to expire in 2027. In addition, the Company has $15.8 million of state credits, of which $2.1 million will expire between 2023 and 2037 if unused, and $13.7 million can be carried forward indefinitely.

The Company has not provided for U.S. federal income taxes on the historical undistributed earnings of its international subsidiaries because such earnings are currently reinvested in foreign jurisdictions and will continue to be reinvested indefinitely, with the exception of its Malaysian and Luxembourg subsidiaries. Our Malaysian principal subsidiary is our primary source of foreign earnings and cash. Any future decision to distribute cash from this subsidiary to the U.S. should not result in a material amount of U.S. or foreign taxes as the majority of the Company's $1.1 billion historical undistributed earnings have been previously taxed in the U.S. under the Tax Cuts and Jobs Act of 2017.

***Unrecognized Tax Benefits***

The Company records interest and penalties associated with unrecognized tax benefits as a component of income tax expense. During the years ended December 31, 2022, 2021, and 2020, the Company recorded interest expense resulting in insignificant balances. The Company recorded penalty expense during the years ended December 31, 2022, 2021, and 2020 resulting in accrued penalties of $0.1 million, $0.3 million, and $0.3 million, respectively, which were included in Other liabilities on the Consolidated Balance Sheets.

The Company's tax returns are routinely audited by the tax authorities in the relevant jurisdictions. For tax years before 2017, the Company is no longer subject to U.S. federal income tax examination. For tax years before 2015, the Company's Malaysian principal subsidiary is no longer subject to examination. Included in the balance of total unrecognized tax benefits at December 31, 2022 are potential benefits of $2.5 million, which if recognized, would affect the effective rate on earnings from continuing operations. Given the Company's current valuation allowance position, no benefit is expected to result from the reversal of any uncertain tax position associated with the acquired attributes.

---

| | |
|:---|:---|
| **Unrecognized tax benefits at January 1, 2020** | $12.7 |
| Settlements | (2.6) |
| Foreign exchange fluctuations | 0.1 |
| **Unrecognized tax benefits at December 31, 2020** | $10.2 |
| Reductions for tax positions of prior years | (0.3) |
| Settlements | (0.4) |
| **Unrecognized tax benefits at December 31, 2021** | $9.5 |
| Reductions as a result of a lapse in statute of limitations | (1.3) |
| Foreign exchange fluctuations | (0.1) |
| **Unrecognized tax benefits at December 31, 2022** | $8.1 |

---

**14. Equity Incentive Program**

The Company maintains equity compensation plans that provide for the issuance of Knowles stock to directors, executive officers, and other employees. The maximum number of shares available for issuance under the plans is 16.1 million, of which 9.0 million were available for future awards at December 31, 2022.

------

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| | |
|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

The following table summarizes the stock-based compensation expense recognized by the Company for the periods presented:

---

| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| **Pre-tax stock-based compensation expense** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cost of goods sold | $1.6 | $1.6 | $1.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Research and development expenses | 5.6 | 5.5 | 6.2 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Selling and administrative expenses | 21.4 | 25.0 | 9.4 |
| **Total pre-tax stock-based compensation expense** | 28.6 | 32.1 | 17.3 |
| Tax benefit | 4.4 | 5.1 |  |
| **Total stock-based compensation expense, net of tax** | $24.2 | $27.0 | $17.3 |

---

Compensation expense for stock-based awards is measured based on the fair value of the awards as of the date the stock-based awards are granted and adjusted to the estimated number of awards that are expected to vest. Forfeitures are estimated based on historical experience at the time of grant and revised in subsequent periods if actual forfeitures differ from those estimates. Compensation costs for stock-based awards are amortized over their service period.

***Stock Option*s *and SSARs***

The fair value of stock options granted by the Company was estimated on the date of grant using a Black-Scholes option-pricing model based on the assumptions shown in the table below.

---

| | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| | **2022** | **2021** | **2021** | **2021** | **2020** | **2020** | **2020** |
| Risk-free interest rate | 0.85% | 0.06% | 0.06% | 0.06% | 0.11% | to | 1.42% |
| Dividend yield | —% | —% | —% | —% | —% | —% | —% |
| Expected life (years) | 4.5 | 4.5 | 4.5 | 4.5 | 4.3 | to | 4.5 |
| Volatility | 34.3% | 36.0% | 36.0% | 36.0% | 38.8% | to | 40.6% |
| Fair value at date of grant | $6.29 | $6.14 | to | $6.31 | $4.78 | to | $5.95 |

---

Expected volatilities are based on the historical volatility of the Company's stock. The risk-free interest rate is based on U.S. government issues with a remaining term equal to the expected life of the stock options. The expected term is the period over which our employees are expected to hold their options. It is based on the simplified method from the SEC's safe harbor guidelines. The Company does not currently anticipate paying dividends over the expected term.

The exercise price per share for the stock options granted by the Company was equal to the closing price of Knowles' stock on the NYSE on the date of the grant. The period during which options granted by the Company were exercisable was fixed by Knowles' Compensation Committee of the Board of Directors at the time of grant. Generally, stock options vest one-third on each of the first three anniversaries of the grant date and expire 7 years from the grant date.

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| | |
|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

The following table summarizes the Company's stock-settled stock appreciation right ("SSAR") and stock option activity for the year ended December 31, 2022.

---

| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| | **SSARs** | **SSARs** | **SSARs** | **SSARs** | **Stock Options** | **Stock Options** | **Stock Options** | **Stock Options** |
| | **Number of Shares** | **Weighted-Average Exercise Price** | **Aggregate Intrinsic Value** | **Weighted-Average Remaining Contractual Term (Years)** | **Number of Shares** | **Weighted-Average Exercise Price** | **Aggregate Intrinsic Value** | **Weighted-Average Remaining Contractual Term (Years)** |
| *(in millions, except share and per share amounts)* | *(in millions, except share and per share amounts)* | *(in millions, except share and per share amounts)* | *(in millions, except share and per share amounts)* | *(in millions, except share and per share amounts)* | *(in millions, except share and per share amounts)* | *(in millions, except share and per share amounts)* | *(in millions, except share and per share amounts)* | *(in millions, except share and per share amounts)* |
| Outstanding at December 31, 2021 | 375964 | $23.16 |  |  | 3478438 | $15.04 |  |  |
| Granted |  |  |  |  | 216813 | 21.14 |  |  |
| Exercised | (36759) | 21.77 |  |  | (850844) | 11.97 |  |  |
| Forfeited |  |  |  |  | (69873) | 20.63 |  |  |
| Expired | (115641) | 22.14 |  |  | (71110) | 17.86 |  |  |
| Outstanding at December 31, 2022 | 223564 | $23.92 | $— | 0.1 | 2703424 | $16.28 | $3.2 | 2.8 |
| Exercisable at December 31, 2022 | 223564 | $23.92 | $— | 0.1 | 2204948 | $15.63 | $3.2 | 2.3 |

---

The aggregate intrinsic value in the table above represents the difference between the Company's closing stock price on December 31, 2022 and the exercise price of each SSAR and stock option, multiplied by the number of in-the-money awards.

There was no unrecognized compensation expense related to SSARs at December 31, 2022. Unrecognized compensation expense related to stock options not yet exercisable at December 31, 2022 was $1.2 million. This cost is expected to be recognized over a weighted-average period of 1.1 years.

Other information regarding the exercise of SSARs and stock options is listed below:

---

| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| ***SSARs*** |  |  |  |
| Aggregate intrinsic value of SSARs exercised | $0.1 | $0.1 | $— |
| ***Stock Options*** |  |  |  |
| Cash received by Knowles for exercise of stock options | $7.5 | $25.6 | $1.8 |
| Aggregate intrinsic value of stock options exercised | 6.0 | 6.6 | 0.4 |
| Tax benefit from stock options exercised | 1.2 | 1.2 |  |

---

***RSUs***

The following table summarizes the Company's RSU activity for the year ended December 31, 2022:

---

| | | |
|:---|:---|:---|
| | **Share units** | **Weighted-average grant date fair value** |
| Unvested at December 31, 2021 | 1778639 | $18.89 |
| Granted | 1235845 | 20.38 |
| Vested <sup>(1)</sup> | (838222) | 18.30 |
| Forfeited | (295741) | 20.24 |
| Unvested at December 31, 2022 | 1880521 | $19.96 |

---

<sup>(1)</sup> The number of RSUs vested includes shares that the Company withheld on behalf of employees to satisfy statutory tax withholding requirements.

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| | |
|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

RSUs vest based on the passage of time. Generally, RSUs have a three year vesting schedule and vest one-third on each of the first three anniversaries of the grant date. The fair value of RSUs vested during the year ended December 31, 2022 was $17.7 million. At December 31, 2022, $21.0 million of unrecognized compensation expense related to RSUs is expected to be recognized over a weighted-average period of 1.5 years.

***PSUs***

The Company grants PSUs to senior management. In each case, the awards will cliff vest three years following the grant date. PSUs will be settled in shares of the Company's common stock. Depending on the Company's overall performance relative to the applicable measures, the size of the PSU awards are subject to adjustment, up or down, resulting in awards at the end of the performance period that can range from 0% to 225% of target. The Company will ratably recognize the expense over the applicable service period for each grant of PSUs and adjust the expense for the expected achievement of performance conditions as appropriate. The fair value of PSUs is determined by using a Monte Carlo simulation. For the awards granted in February 2022 and 2021, the number of PSUs that may be earned and vest is based on total shareholder return ("TSR") relative to the component companies of the Russell 2000 Index over a three-year performance period.

The COVID-19 pandemic brought on unique and unprecedented challenges to the Company, particularly in the hearing health and medtech markets. Many of the Company's executive compensation programs were affected, including outstanding PSU awards. Due to the impact of the COVID-19 pandemic on the Company's overall business performance, effective February 8, 2021, the Company's Compensation Committee approved certain modifications to PSUs granted in February 2018, 2019, and 2020.

For the awards granted in February 2018 (the "2018 PSUs"), the number of PSUs that may be earned and vest was originally based on the Company's revenues and stock price performance over a three-year performance period. The modified award was based on the Company's revenues and stock price performance over three separate one-year performance periods to isolate the impact of the COVID-19 pandemic on the Company's fiscal 2020 performance. In addition, the performance periods corresponding to fiscal 2018 and 2019 were weighted at 25% each while the performance period corresponding to fiscal 2020 was weighted at 50%, given the impact of fiscal 2020 performance on shareholders. Service conditions were not modified. The modification of the 2018 PSUs affected nine employees and resulted in total incremental compensation expense of $3.9 million, which was recognized in the first quarter of 2021 as there was no remaining service period. In February 2021, the 2018 PSUs were converted from 329,092 PSUs to 190,544 shares of common stock based on achievement of the modified conditions.

For the awards granted in February 2019 (the "2019 PSUs"), the number of PSUs that may be earned and vest was originally based on the Company's revenues and TSR relative to the component companies of the S&P Semiconductor Select Industry Index over a three-year performance period. The modified award was based on the Company's revenues and TSR relative to the component companies of the S&P Semiconductor Select Industry Index over three separate one-year performance periods to isolate the impact of the COVID-19 pandemic on the Company's fiscal 2020 performance. Each period was weighted equally, as the Company expected to face challenges related to the COVID-19 pandemic in fiscal 2021. Service conditions were not modified. The modification of the 2019 PSUs affected eight employees and resulted in total incremental compensation expense of $2.4 million, which was recognized over the remaining service period. Incremental compensation expense was subject to adjustment for the achievement of the performance condition based on fiscal 2021 revenues. In February 2022, the 2019 PSUs were converted from 227,812 PSUs to 150,811 shares of common stock based on achievement of the modified conditions.

For the awards granted in February 2020 (the "2020 PSUs"), the number of PSUs that may be earned and vest was originally based on TSR relative to the component companies of the S&P Semiconductor Select Industry Index over a three-year performance period. The modified award replaces the S&P Semiconductor Select Industry Index with the Russell 2000 Index. The Company is a member of the Russell 2000 Index, which represents a broader, more diversified index that better aligns with the Company's strategy. Service conditions were not modified. The modification of the 2020 PSUs affected eight employees and resulted in total incremental compensation expense of $4.7 million, which will be recognized over the remaining service period.

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| | |
|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

The following table summarizes the Company's PSU activity for the year ended December 31, 2022:

---

| | | |
|:---|:---|:---|
| | **Share units** | **Weighted-average grant date fair value** |
| Unvested at December 31, 2021 | 766466 | $21.28 |
| Granted | 294935 | 29.92 |
| Vested <sup>(1)</sup> | (227812) | 18.44 |
| Forfeited |  |  |
| Unvested at December 31, 2022 | 833589 | $25.12 |

---

<sup>(1)</sup> The number of PSUs vested includes shares that the Company withheld on behalf of employees to satisfy statutory tax withholding requirements.

The fair value of PSUs vested during the year ended December 31, 2022 was $3.2 million. At December 31, 2022, $9.5 million of unrecognized compensation expense related to PSUs is expected to be recognized over a weighted-average period of 1.1 years.

**15. Commitments and Contingent Liabilities**

From time to time, the Company is involved in various legal proceedings and claims arising in the ordinary course of its business. The majority of these claims and proceedings relate to commercial, warranty, employment, and intellectual property matters. Although the ultimate outcome of any legal proceeding or claim cannot be predicted with certainty, based on present information, including management's assessment of the merits of the particular claim, the Company believes that the disposition of these legal proceedings or claims, individually or in the aggregate, after taking into account recorded accruals and the availability and limits of insurance coverage, will not have a material adverse effect on its cash flow, results of operations, or financial condition.

The Company owns many patents and other intellectual property pertaining to its products, technology, and manufacturing processes. Some of the Company's patents have been and may continue to be infringed upon or challenged by others. In appropriate cases, the Company has taken and will take steps to protect and defend its patents and other intellectual property, including through the use of legal proceedings in various jurisdictions around the world. Such steps have resulted in and may continue to result in retaliatory legal proceedings, including litigation or other legal proceedings in various jurisdictions and forums around the world alleging infringement by the Company of patents owned by others. The costs of investigations and legal proceedings relating to the enforcement and defense of the Company's intellectual property may be substantial. Additionally, in multi-forum disputes, the Company may incur adverse judgments with regard to certain claims in certain jurisdictions and forums while still contesting other related claims against the same opposing party in other jurisdictions and forums.

***Intellectual Property Infringement Claims***

The Company may, on a limited customer specific basis, provide contractual indemnities for certain losses that arise out of claims that its products infringe on the intellectual property of others. It is not possible to determine the maximum potential amount under these indemnification agreements due to the unique facts and circumstances involved in each particular agreement. Historically, the Company has not made significant payments under such indemnity arrangements. The Company's legal accruals associated with these indemnity arrangements were not significant at December 31, 2022 and 2021.

**16. Employee Benefit Plans**

Knowles sponsors its own defined contribution plans. The Company's expense relating to defined contribution plans was $6.9 million, $6.2 million, and $6.2 million for the years ended December 31, 2022, 2021, and 2020, respectively.

Knowles sponsors four defined benefit pension plans to certain non-U.S. employees. The two plans in the U.K. and the plan in Taiwan are closed to new participants; however, all active participants in these plans continue to accrue benefits. The plan in the Philippines is open to new participants. These plans are considered direct obligations of the Company and have been recorded within the accompanying Consolidated Financial Statements.

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| | |
|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

**Non-U.S. Defined Benefit Pension Plans**

***Obligations and Funded Status***

The following tables summarize the balance sheet impact, including the benefit obligations, assets, and funded status associated with the Company's four defined benefit plans for non-U.S. participants at December 31, 2022 and 2021.

---

| | | |
|:---|:---|:---|
| | **December 31,** | **December 31,** |
| *(in millions)* | **2022** | **2021** |
| **Change in benefit obligation:** |  |  |
| Benefit obligation at beginning of year | $69.5 | $74.5 |
| Service cost | 0.3 | 0.3 |
| Interest cost | 1.1 | 0.9 |
| Benefits paid | (1.9) | (1.6) |
| Actuarial gain <sup>(1)</sup> | (23.5) | (3.8) |
| Plan amendments | 0.2 |  |
| Currency translation and other <sup>(2)</sup> | (3.9) | (0.8) |
| Benefit obligation at end of year | 41.8 | 69.5 |
| **Change in plan assets:** |  |  |
| Fair value of plan assets at beginning of year | 69.3 | 65.7 |
| Actual return on plan assets | (20.1) | 4.6 |
| Company contributions | 1.2 | 1.5 |
| Benefits paid | (1.9) | (1.6) |
| Currency translation and other | (7.2) | (0.9) |
| Fair value of plan assets at end of year | 41.3 | 69.3 |
| **Funded status** | $(0.5) | $(0.2) |
| **Amounts recognized in the Consolidated Balance Sheets consist of:** |  |  |
| Other assets and deferred charges | $3.4 | $2.6 |
| Other liabilities | (3.9) | (2.8) |
| **Funded status** | $(0.5) | $(0.2) |
| **Accumulated other comprehensive loss:** |  |  |
| Net actuarial losses | $17.9 | $19.2 |
| Prior service cost | 1.2 | 1.1 |
| Deferred taxes | (2.7) | (3.3) |
| Total accumulated other comprehensive loss, net of tax | 16.4 | 17.0 |
| **Accumulated benefit obligation** | $41.1 | $68.4 |

---

<sup>(1)</sup> The net actuarial gains during the years ended December 31, 2022 and 2021 primarily related to changes in the discount rates for the U.K. plans.

<sup>(2)</sup> The Company recorded an increase in liabilities of $3.4 million related to pre-spin-off pension obligations during the year ended December 31, 2022.

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| | |
|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

Pension plans with projected benefit obligations in excess of plan assets consisted of the following at December 31, 2022 and 2021:

---

| | | |
|:---|:---|:---|
| | **December 31,** | **December 31,** |
| *(in millions)* | **2022** | **2021** |
| Projected benefit obligation | $24.5 | $42.6 |
| Fair value of plan assets | 20.6 | 39.9 |

---

Pension plans with accumulated benefit obligations in excess of plan assets consisted of the following at December 31, 2022 and 2021:

---

| | | |
|:---|:---|:---|
| | **December 31,** | **December 31,** |
| *(in millions)* | **2022** | **2021** |
| Accumulated benefit obligation | $24.5 | $40.0 |
| Fair value of plan assets | 20.6 | 37.8 |

---

***Net Periodic Benefit Cost (Income)***

Components of the net periodic benefit cost (income) were as follows:

---

| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| Service cost | $0.3 | $0.3 | $0.3 |
| Interest cost | 1.1 | 0.9 | 1.2 |
| Expected return on plan assets | (2.6) | (2.8) | (2.4) |
| Amortization of prior service cost |  |  | 0.1 |
| Amortization of recognized actuarial loss | 0.5 | 0.8 | 0.5 |
| Other <sup>(1)</sup> | 3.4 |  |  |
| **Total net periodic benefit cost (income)** | $2.7 | $(0.8) | $(0.3) |

---

<sup>(1)</sup> The Company recorded an adjustment of $3.4 million related to pre-spin-off pension obligations during the year ended December 31, 2022.

The components of net periodic benefit cost (income) other than service cost are presented in the Other (income) expense, net line on the Consolidated Statements of Earnings. The service cost component is presented within the Cost of goods sold, Research and development expenses, and Selling and administrative expenses lines on the Consolidated Statements of Earnings based on the nature of services performed by the related employees.

***Assumptions***

The Company determines actuarial assumptions on an annual basis. The actuarial assumptions used for the Company's four defined benefit plans for non-U.S. participants will vary depending on the applicable country and as such, the tables below include these assumptions by country, as well as in total.

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| | |
|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

The assumptions used in determining the benefit obligations were as follows:

---

| | | |
|:---|:---|:---|
| | **December 31,** | **December 31,** |
| | **2022** | **2021** |
| Discount rate |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Philippines | 7.50% | 5.25% |
| &nbsp;&nbsp;&nbsp;&nbsp;Taiwan | 1.75% | 0.75% |
| &nbsp;&nbsp;&nbsp;&nbsp;United Kingdom | 4.84% | 1.84% |
| &nbsp;&nbsp;&nbsp;&nbsp;Weighted-average | 4.71% | 1.83% |
| Average wage increase |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Philippines | 4.00% | 4.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;Taiwan | 4.00% | 4.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;United Kingdom | 4.35% | 4.65% |
| &nbsp;&nbsp;&nbsp;&nbsp;Weighted-average | 4.30% | 4.59% |

---

The assumptions used in determining the net periodic benefit cost (income) were as follows:

---

| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| | **2022** | **2021** | **2020** |
| Discount rate |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Philippines | 5.25% | 4.00% | 5.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;Taiwan | 0.75% | 0.25% | 0.75% |
| &nbsp;&nbsp;&nbsp;&nbsp;United Kingdom | 1.84% | 1.28% | 2.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;Weighted-average | 1.83% | 1.27% | 1.97% |
| Average wage increase |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Philippines | 4.00% | 4.00% | 5.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;Taiwan | 4.00% | 4.00% | 4.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;United Kingdom | 4.65% | 4.20% | 4.25% |
| &nbsp;&nbsp;&nbsp;&nbsp;Weighted-average | 4.59% | 4.18% | 4.24% |
| Expected return on plan assets |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Taiwan | 4.00% | 3.50% | 3.75% |
| &nbsp;&nbsp;&nbsp;&nbsp;United Kingdom | 4.15% | 4.34% | 4.35% |
| &nbsp;&nbsp;&nbsp;&nbsp;Weighted-average | 4.15% | 4.32% | 4.33% |

---

The Company's discount rate assumptions are determined by developing yield curves based on high quality corporate bonds with maturities matching the plans' expected benefit payment streams. The plans' expected cash flows are then discounted by the resulting year-by-year spot rates.

***Plan Assets***

The primary financial objective of the plans is to secure participant retirement benefits. Accordingly, the key objective in the plans' financial management is to promote stability and, to the extent appropriate, growth in the funded status. Related and supporting financial objectives are established in conjunction with a review of current and projected plan financial requirements.

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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As it relates to the funded defined benefit pension plans, the Company's funding policy is consistent with the funding requirements of applicable local non-U.S. laws. The Company is responsible for overseeing the management of the investments of the plans' assets and otherwise ensuring that the plans' investment programs are in compliance with applicable local law, other relevant legislation, and related plan documents. Where relevant, the Company has retained professional investment managers to manage the plans' assets and investment process. The investment managers, in executing their investment processes, have the authority and responsibility to select appropriate investments in the asset classes specified by the terms of their applicable prospectus or investment manager agreements with the plans.

The assets of the plans are invested to achieve an appropriate return for the plans consistent with a prudent level of risk. The asset return objective is to achieve, as a minimum over time, the passively managed return earned by market index funds, weighted in the proportions outlined by the asset class exposures identified in the plans' strategic allocation. The expected return on plan assets assumptions are developed through analysis of historical market returns, statistical analysis, current market conditions, and the past experience of plan asset investments.

***Fair Value Measurements***

The fair values of plan assets by asset category within the ASC 820 hierarchy were as follows at December 31, 2022 and 2021:

---

| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| | **December 31, 2022** | **December 31, 2022** | **December 31, 2022** | **December 31, 2022** | **December 31, 2021** | **December 31, 2021** | **December 31, 2021** | **December 31, 2021** |
| *(in millions)* | **Level 1** | **Level 2** | **Level 3** | **Total Fair Value** | **Level 1** | **Level 2** | **Level 3** | **Total Fair Value** |
| **Asset category:** |  |  |  |  |  |  |  |  |
| Fixed income investments | $3.3 | $16.7 | $— | $20.0 | $3.5 | $26.1 | $— | $29.6 |
| Common stock funds |  | 6.1 |  | 6.1 |  | 18.9 |  | 18.9 |
| Real estate funds |  | 4.1 |  | 4.1 |  | 5.5 |  | 5.5 |
| Cash and equivalents | 1.4 |  |  | 1.4 | 0.5 |  |  | 0.5 |
| Other | 4.1 | 5.6 |  | 9.7 | 9.0 | 5.8 |  | 14.8 |
| **Total** | $8.8 | $32.5 | $— | $41.3 | $13.0 | $56.3 | $— | $69.3 |

---

See Note 11. Hedging Transactions and Derivative Instruments for additional information on the fair value hierarchy. There were no significant transfers between Level 1 and Level 2 assets during the years ended December 31, 2022 and 2021.

Fixed income investments include government and municipal securities and corporate bonds, which are valued based on yields currently available on comparable securities of issuers with similar credit ratings.

Common stock funds consist of mutual funds and collective trusts. Mutual funds are valued by obtaining quoted prices from nationally recognized securities exchanges. Collective trusts are valued using Net Asset Value (the "NAV") as of the last business day of the year. The NAV is based on the underlying value of the assets owned by the fund minus its liabilities and then divided by the number of shares outstanding. The value of the underlying assets is based on quoted prices in active markets.

The methods described above may produce a fair value calculation that may not be indicative of net realizable value or reflective of future fair values. Furthermore, while the Company believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different fair value measurement at the reporting date.

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| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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***Future Estimates***

*<u>Benefit Payments</u>*

Estimated future benefit payments to retirees, which reflect expected future service, are as follows:

---

| | |
|:---|:---|
| *(in millions)* | |
| 2023 | $2.7 |
| 2024 | 2.0 |
| 2025 | 2.3 |
| 2026 | 2.5 |
| 2027 | 2.7 |
| 2028-2032 | 12.7 |

---

*<u>Contributions</u>*

Generally, annual contributions are made at such times and in such amounts as required by law and agreed with the trustees of the non-U.S. defined benefit plans. The Company estimates it will pay $1.3 million during the year ended December 31, 2023 related to contributions to these plans. This amount may vary based on updated funding agreements with the trustees of these plans.

**17. Other Comprehensive Earnings**

The amounts recognized in other comprehensive (loss) earnings were as follows:

---

| | | | |
|:---|:---|:---|:---|
| | **Year Ended December 31, 2022** | **Year Ended December 31, 2022** | **Year Ended December 31, 2022** |
| *(in millions)* | **Pre-tax** | **Tax** | **Net of tax** |
| Foreign currency translation | $(23.2) | $— | $(23.2) |
| Employee benefit plans | 1.4 | (0.6) | 0.8 |
| Changes in fair value of cash flow hedges | 1.1 | (0.4) | 0.7 |
| Total other comprehensive loss | $(20.7) | $(1.0) | $(21.7) |
|  | **Year Ended December 31, 2021** | **Year Ended December 31, 2021** | **Year Ended December 31, 2021** |
| *(in millions)* | **Pre-tax** | **Tax** | **Net of tax** |
| Foreign currency translation | $(3.6) | $— | $(3.6) |
| Employee benefit plans | 6.6 | (1.6) | 5.0 |
| Changes in fair value of cash flow hedges | (1.6) | 0.3 | (1.3) |
| Total other comprehensive earnings | $1.4 | $(1.3) | $0.1 |
|  | **Year Ended December 31, 2020** | **Year Ended December 31, 2020** | **Year Ended December 31, 2020** |
| *(in millions)* | **Pre-tax** | **Tax** | **Net of tax** |
| Foreign currency translation | $13.8 | $— | $13.8 |
| Employee benefit plans | (4.4) | 1.0 | (3.4) |
| Changes in fair value of cash flow hedges | 1.4 | (0.3) | 1.1 |
| Total other comprehensive earnings | $10.8 | $0.7 | $11.5 |

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

The following table summarizes the changes in balances of each component of accumulated other comprehensive loss, net of tax during the years ended December 31, 2022 and 2021:

---

| | | | | |
|:---|:---|:---|:---|:---|
| *(in millions)* | **Cash flow hedges** | **Employee benefit plans** | **Cumulative foreign currency translation adjustments** | **Total** |
| **Balance at January 1, 2021** | $1.6 | $(22.1) | $(80.0) | $(100.5) |
| Other comprehensive (loss) earnings, net of tax | (1.3) | 5.0 | (3.6) | 0.1 |
| **Balance at December 31, 2021** | 0.3 | (17.1) | (83.6) | (100.4) |
| Other comprehensive earnings (loss), net of tax | 0.7 | 0.8 | (23.2) | (21.7) |
| **Balance at December 31, 2022** | $1.0 | $(16.3) | $(106.8) | $(122.1) |

---

The following table summarizes the amounts reclassified from accumulated other comprehensive loss to earnings:

---

| | | | | |
|:---|:---|:---|:---|:---|
| | | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **Statement of Earnings Line** | **2022** | **2021** | **2020** |
| **Pension and post-retirement benefit plans:** | **Pension and post-retirement benefit plans:** | **Pension and post-retirement benefit plans:** | **Pension and post-retirement benefit plans:** | **Pension and post-retirement benefit plans:** |
| Amortization or settlement of actuarial losses and prior service costs | Other (income) expense, net | $0.6 | $0.9 | $0.7 |
| Tax | Provision for (benefit from) income taxes | (0.1) | (0.2) | (0.1) |
| Net of tax |  | $0.5 | $0.7 | $0.6 |
| **Cash flow hedges:** | **Cash flow hedges:** | **Cash flow hedges:** | **Cash flow hedges:** | **Cash flow hedges:** |
| Net losses (gains) reclassified into earnings | Cost of goods sold | $4.5 | $(2.1) | $(1.2) |
| Tax | Provision for (benefit from) income taxes | (1.0) | 0.5 | 0.3 |
| Net of tax |  | $3.5 | $(1.6) | $(0.9) |

---

**18. Segment Information**

The Company determines its operating segments consistent with the manner in which it manages its operations and evaluates performance for internal review and decision making. These operating segments were determined in accordance with ASC 280, Segment Reporting. The Company's operating segments engage in business activities from which they earn revenues and incur expenses, have discrete financial information available, and whose financial results are regularly reviewed and used by the chief operating decision maker to evaluate segment performance, allocate resources, and determine management incentive compensation. In November 2022, the Company determined each operating segment represents a single reportable operating segment, as described below:

• PD Segment

Our PD segment specializes in the design and delivery of high performance capacitor products and RF solutions for technically demanding applications. Our high performance capacitor products are used in applications such as power supplies and medical implants, which sell to a diverse set of customers for mission critical applications across the defense, medtech, industrial, electric vehicle, and communications markets. Our RF solutions solve a broad range of frequency filtering challenges for our customers, who use them in satellite communications and radar systems for defense applications. RF solutions are also used in mmWave 5G communications equipment. PD has sales, support, and engineering facilities in North America, Europe, and Asia as well as manufacturing facilities in North America and Asia.

• MSA Segment

Our MSA segment designs and manufactures innovative audio products, including microphones and balanced armature speakers used in applications that serve the hearing health and premium audio markets. MSA has sales, support, and engineering facilities in North America, Europe, and Asia, as well as manufacturing facilities in Asia.

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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• CMM Segment

Our CMM segment designs and manufactures innovative audio products, including MEMS and audio solutions used in applications that serve the mobile, True Wireless Stereo ("TWS"), Internet of Things ("IoT"), and computing markets. CMM has sales, support, and engineering facilities in North America, Europe, and Asia, as well as manufacturing facilities in Asia.

Information regarding the Company's reportable segments is as follows:

---

| | | | |
|:---|:---|:---|:---|
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** |
| **<u>Revenues:</u>** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Precision Devices | $242.9 | $201.1 | $173.1 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MedTech & Specialty Audio | 229.9 | 231.3 | 173.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Consumer MEMS Microphones | 291.9 | 435.7 | 417.6 |
| **Total revenues** | $764.7 | $868.1 | $764.3 |
| **<u>(Loss) earnings from continuing operations before interest and income taxes:</u>** | **<u>(Loss) earnings from continuing operations before interest and income taxes:</u>** |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Precision Devices | $56.1 | $43.7 | $31.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MedTech & Specialty Audio | 84.6 | 77.0 | 22.3 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Consumer MEMS Microphones | (504.5) | 60.0 | 22.6 |
| Total segments | (363.8) | 180.7 | 76.6 |
| Corporate expense / other | 50.5 | 61.9 | 48.9 |
| Interest expense, net | 3.9 | 14.2 | 16.4 |
| (Loss) earnings before income taxes and discontinued operations | (418.2) | 104.6 | 11.3 |
| Provision for (benefit from) income taxes | 11.9 | (45.6) | 8.4 |
| **(Loss) earnings from continuing operations** | $(430.1) | $150.2 | $2.9 |
| **<u>Depreciation and amortization:</u>** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Precision Devices | $13.8 | $13.3 | $10.5 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MedTech & Specialty Audio | 8.1 | 6.3 | 6.0 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Consumer MEMS Microphones | 29.5 | 39.9 | 41.0 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Corporate | 2.5 | 3.0 | 3.1 |
| **Total** | $53.9 | $62.5 | $60.6 |
| **<u>Capital expenditures:</u>** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Precision Devices | $7.4 | $5.6 | $9.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MedTech & Specialty Audio | 7.3 | 11.6 | 8.0 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Consumer MEMS Microphones | 17.2 | 29.2 | 13.9 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Corporate | 0.2 | 2.2 | 0.4 |
| **Total** | $32.1 | $48.6 | $31.9 |
| **<u>Research and development:</u>** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Precision Devices | $12.3 | $10.5 | $6.7 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MedTech & Specialty Audio | 16.9 | 16.1 | 14.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Consumer MEMS Microphones | 52.4 | 65.7 | 70.0 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Corporate | 0.1 | 0.5 | 1.6 |
| **Total** | $81.7 | $92.8 | $92.9 |

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

---

Information regarding assets of the Company's reportable segments:

---

| | | |
|:---|:---|:---|
| | **Total Assets** | **Total Assets** |
| | **December 31,** | **December 31,** |
| *(in millions)* | **2022** | **2021** |
| Precision Devices | $275.7 | $260.4 |
| MedTech & Specialty Audio | 358.1 | 375.2 |
| Consumer MEMS Microphones | 547.3 | 1091.9 |
| Corporate / eliminations | 2.8 | 4.1 |
| **Total** | $1183.9 | $1731.6 |

---

The following table details revenues by geographic location. Revenues are attributed to regions based on the location of the Company's direct customer, which in some instances is an intermediary and not necessarily the end user. Long-lived assets are comprised of net property, plant, and equipment and operating lease right-of-use assets. These assets have been classified based on the geographic location of where they reside. The Company's businesses are based primarily in Asia, North America, and Europe.

---

| | | | | | |
|:---|:---|:---|:---|:---|:---|
| | **Revenues** | **Revenues** | **Revenues** | **Long-Lived Assets** | **Long-Lived Assets** |
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** | **December 31,** | **December 31,** |
| *(in millions)* | **2022** | **2021** | **2020** | **2022** | **2021** |
| Asia | $471.3 | $611.5 | $559.6 | $110.5 | $149.5 |
| United States | 174.3 | 153.2 | 116.7 | 60.5 | 64.6 |
| Europe | 104.4 | 93.5 | 80.0 | 2.4 | 3.1 |
| Other Americas | 7.5 | 5.5 | 3.7 | 1.0 | 1.0 |
| Other | 7.2 | 4.4 | 4.3 |  |  |
| **Total** | $764.7 | $868.1 | $764.3 | $174.4 | $218.2 |

---

The Company's customers that accounted for 10% or more of total revenues were as follows:

---

| | | | |
|:---|:---|:---|:---|
| | **Revenues** | **Revenues** | **Revenues** |
| | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| | **2022** | **2021** | **2020** |
| Apple Inc. | 15% | 16% | 23% |

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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**19. Earnings per Share**

Basic and diluted earnings per share were computed as follows:

---

| | | | |
|:---|:---|:---|:---|
|  | **Years Ended December 31,** | **Years Ended December 31,** | **Years Ended December 31,** |
| *(in millions, except per share amounts)* | **2022** | **2021** | **2020** |
| (Loss) earnings from continuing operations | $(430.1) | $150.2 | $2.9 |
| Earnings from discontinued operations, net |  | 0.2 | 3.7 |
| Net (loss) earnings | $(430.1) | $150.4 | $6.6 |
| **Basic (loss) earnings per common share:** |  |  |  |
| (Loss) earnings from continuing operations | $(4.69) | $1.63 | $0.03 |
| Earnings from discontinued operations, net |  |  | 0.04 |
| Net (loss) earnings | $(4.69) | $1.63 | $0.07 |
| Weighted-average shares outstanding | 91.7 | 92.3 | 91.7 |
| **Diluted (loss) earnings per common share:** |  |  |  |
| (Loss) earnings from continuing operations | $(4.69) | $1.59 | $0.03 |
| Earnings from discontinued operations, net |  |  | 0.04 |
| Net (loss) earnings | $(4.69) | $1.59 | $0.07 |
| Diluted weighted-average shares outstanding | 91.7 | 94.7 | 92.9 |

---

The Company intended to settle the principal amount of the Notes in cash during all periods preceding settlement. The treasury stock method was used to calculate the dilutive effect of the conversion option on diluted earnings per share, if applicable. For the years ended December 31, 2022, 2021, and 2020, the weighted-average number of anti-dilutive potential common shares for stock-based awards excluded from the calculation of diluted earnings per share above was 3.4 million, 0.7 million, and 3.9 million, respectively.

**20. Subsequent Events**

On February 8, 2023, the Company entered into an Amended and Restated Credit Agreement (the "A&R Credit Agreement") that amends and restates the prior Credit Agreement, dated September 4, 2020, and provides for a senior secured revolving credit facility with borrowings in an aggregate principal amount at any time outstanding not to exceed $400.0 million (the "Credit Facility"). The A&R Credit Agreement, among other things, extends the maturity date of the Credit Facility from January 2, 2024 to February 8, 2028, replaces the London Inter-Bank Offered Rate ("LIBOR") with the Term Secured Overnight Financing Rate ("Term SOFR") as a reference rate available for borrowings, amends the minimum Interest Coverage Ratio, and amends certain other financial covenants with which the Company must comply, as described below.

Up to $100.0 million of the Credit Facility will be available in Euro, Pounds Sterling, and other currencies requested by the Company and up to $50.0 million of the Credit Facility will be made available in the form of letters of credit. Undrawn amounts under the Credit Facility accrue a commitment fee at a per annum rate of 0.225% to 0.350%, based on a leverage ratio grid.

At any time during the term of the Credit Facility, the Company will be permitted to increase the commitments under the Credit Facility or to establish one or more incremental term loan facilities under the Credit Facility in an aggregate principal amount not to exceed the sum of $200.0 million, plus additional amounts, so long as the senior secured leverage ratio does not exceed 2.00 to 1.00.

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|:---|:---|
| <u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u> | **NOTES TO CONSOLIDATED FINANCIAL STATEMENTS** |

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The A&R Credit Agreement includes requirements, to be tested quarterly, that the Company maintains (i) a minimum ratio of Consolidated EBITDA to consolidated cash interest expense of 3.00 to 1.00, (the "Interest Coverage Ratio"), (ii) a ratio of total indebtedness, minus netted cash in an aggregate amount not to exceed $50.0 million, to Consolidated EBITDA of 3.75 to 1.00 (the "Total Net Leverage Ratio"), and (iii) a maximum ratio of senior net secured indebtedness to Consolidated EBITDA of 3.25 to 1.00 (the "Senior Secured Net Leverage Ratio"). For these ratios, Consolidated EBITDA and consolidated interest expense are calculated using the most recent four consecutive fiscal quarters in a manner defined in the A&R Credit Agreement.

The interest rates under the A&R Credit Facility will be, at the Borrowers' option (1) (A) in the case of borrowings denominated in U.S. dollars Term SOFR, (B) in the case of borrowings denominated in Sterling, Daily Simple Sonia, or (C) for borrowings denominated in Euro, EURIBOR, in each case, plus the rates per annum determined from time to time based on the total net leverage ratio of the Company as of the end of and for the most recent period of four fiscal quarters for which financial statements have been delivered (the "Applicable Margin"); or (2) in the case of borrowings denominated in U.S. dollars, alternate base rate ("ABR") (as defined in the A&R Credit Agreement) plus the Applicable Margin. The Applicable Margin for Term SOFR, Daily Simple Sonia, or EURIBOR could range from 1.50% to 2.50% while the Applicable Margin for ABR could range from 0.50% to 1.50%.

**SCHEDULE II**

**VALUATION AND QUALIFYING ACCOUNTS**

**Years Ended December 31, 2022, 2021, and 2020** 

---

| | | | | |
|:---|:---|:---|:---|:---|
| **Allowance for Doubtful Accounts** *(in millions)* | **Balance at<br>Beginning<br>of Year** | **Charged to Cost and<br> Expense** <sup>(1)</sup> | **Accounts<br>Written Off** | **Balance at<br>End of Year** |
| Year Ended December 31, 2022 |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allowance for Doubtful Accounts | $0.2 | 1.0 | (0.1) | $1.1 |
| Year Ended December 31, 2021 |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allowance for Doubtful Accounts | $1.6 | (0.2) | (1.2) | $0.2 |
| Year Ended December 31, 2020 |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allowance for Doubtful Accounts | $0.8 | 0.8 |  | $1.6 |
| <sup>(1)</sup> Net of recoveries on previously reserved or written-off balances. | <sup>(1)</sup> Net of recoveries on previously reserved or written-off balances. | <sup>(1)</sup> Net of recoveries on previously reserved or written-off balances. |  |  |

---

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| | | | | |
|:---|:---|:---|:---|:---|
| **Deferred Tax Valuation Allowance** *(in millions)* | **Balance at<br>Beginning<br>of Year** | **Additions** | **Reductions** | **Balance at<br>End of Year** |
| Year Ended December 31, 2022 |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deferred Tax Valuation Allowance | $39.1 | 0.6 |  | $39.7 |
| Year Ended December 31, 2021 |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deferred Tax Valuation Allowance | $98.0 |  | (58.9) | $39.1 |
| Year Ended December 31, 2020 |  |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deferred Tax Valuation Allowance | $85.3 | 12.7 |  | $98.0 |

---

**ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE**

None.

**ITEM 9A. CONTROLS AND PROCEDURES**

**(a) Evaluation of Disclosure Controls and Procedures**

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

We conducted an evaluation, under the supervision and with the participation of management, including the chief executive officer ("CEO") and chief financial officer ("CFO"), of the effectiveness of the Company's disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of December 31, 2022.

These disclosure controls and procedures are designed to ensure that information required to be disclosed in our reports that are filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms. Our disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that this information is accumulated and communicated to management, including the principal executive and principal financial officers, or persons performing similar functions, as appropriate, to allow timely decisions regarding required disclosure.

Based on the evaluation, the CEO and CFO have concluded that these disclosure controls and procedures were effective as of December 31, 2022.

**(b) Management's Report on Internal Control Over Financial Reporting**

Our management is responsible for establishing and maintaining adequate internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act). Under management's supervision, an evaluation of the effectiveness of the Company's internal control over financial reporting was conducted based on the criteria set forth in *Internal Control - Integrated Framework* (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission ("COSO"). Based on our evaluation under the framework in *Internal Control - Integrated Framework* (2013) issued by the COSO, our management concluded that our internal control over financial reporting was effective as of December 31, 2022.

PricewaterhouseCoopers LLP, the Company's independent registered public accounting firm, has audited the effectiveness of the Company's internal control over financial reporting as of December 31, 2022, as stated in their report which appears herein.

**(c) Changes in Internal Control Over Financial Reporting**

There has been no change in our internal control over financial reporting that occurred during the fourth quarter of 2022 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

**(d) Inherent Limitations on Effectiveness of Controls**

Our management, including the CEO and CFO, do not expect that our disclosure controls or our internal control over financial reporting will prevent or detect all errors and all fraud. A control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control system's objectives will be met. The design of a control system must reflect the fact that the benefits of controls must be considered relative to their costs. Further, because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that misstatements due to error or fraud will not occur or that all control issues and instances of fraud, if any, will be detected. These inherent limitations include the realities that judgments in decision making can be faulty and that breakdowns can occur because of simple error or mistake. Controls can also be circumvented by the individual acts of some persons, by intentionally falsified documentation, by collusion of two or more individuals within Knowles or third parties, or by management override of the controls. The design of any system of controls is based in part on certain assumptions about the likelihood of future events and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Projections of any evaluation of controls effectiveness to future periods are subject to risks. Over time, controls may become inadequate because of changes in conditions or deterioration in the degree of compliance with policies or procedures.

**ITEM 9B. OTHER INFORMATION**

Not applicable.

**ITEM 9C. DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS**

Not applicable.

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

**PART III**

**ITEM 10. DIRECTORS, EXECUTIVE OFFICERS, AND CORPORATE GOVERNANCE**

The information with respect to the directors and the board committees of the Company and other corporate governance matters required to be included pursuant to this Item 10 will be included in the section entitled "Proposal 1 - Election of Directors" of the Proxy Statement for its 2023 Annual Meeting of Stockholders (the "2023 Proxy Statement") that will be filed with the SEC pursuant to Rule 14a-6 under the Exchange Act in accordance with applicable SEC deadlines and is incorporated in this Item 10 by reference.

The information with respect to the executive officers of the Company required to be included pursuant to this Item 10 is included under the caption "Information about our Executive Officers" in Part I of this Form 10-K and is incorporated in this Item 10 by reference.

Item 405 of Regulation S-K calls for disclosure of any known late filing or failure by an insider to file a report required by Section 16(a) of the Exchange Act. To the extent disclosure for delinquent reports is made, it can be found under the caption "Delinquent Section 16(a) Reports" in our 2023 Proxy Statement and is incorporated in this Item 10 by reference.

The Company has adopted a Code of Business Conduct that applies to all directors, officers, and employees, including its principal executive officer, principal financial officer, principal accounting officer, and controller. A copy of this Code of Business Conduct can be found on our website at https://investor.knowles.com/governance/governance-documents. In the event of any amendment to, or waiver from, the Code of Business Conduct affecting our principal executive officer, principal financial officer, principal accounting officer, or controller, we will publicly disclose the amendment or waiver by posting the information on our website or filing a Form 8-K with the SEC.

On October 27, 2022, the Board of Directors of the Company adopted the Fourth Amended and Restated By-Laws of the Company which, among other things, replaced the existing procedural mechanics for stockholder nominations of directors and submissions of stockholder proposals (other than proposals to be included in the Company's proxy statement pursuant to Rule 14a-8 under the Securities Exchange Act of 1934, as amended (the "Exchange Act")) at stockholder meetings with enhanced procedural mechanics, including, without limitation, to require additional disclosures from nominating or proposing stockholders, proposed nominees and other persons associated with nominating or proposing stockholders and to address matters relating to Rule 14a-19 under the Exchange Act (the "Universal Proxy Rules") (e.g., providing the Company a remedy if a stockholder fails to satisfy the requirements of the Universal Proxy Rules, requiring nominating stockholders to make a representation as to whether they intend to use the Universal Proxy Rules, requiring stockholders intending to use the Universal Proxy Rules to notify the Company of any change in such intent within two business days and to provide reasonable evidence of the satisfaction of the requirements of the Universal Proxy Rules at least five business days before the applicable meeting, etc.).

**ITEM 11. EXECUTIVE COMPENSATION**

The information with respect to executive compensation and the compensation committee required to be included pursuant to this Item 11 will be included in our 2023 Proxy Statement under the headings "Executive Compensation" and "Directors' Compensation" and is incorporated in this Item 11 by reference.

**ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS**

The information regarding security ownership of certain beneficial owners and management that is required to be included pursuant to this Item 12 will be included in our 2023 Proxy Statement under the heading "Security Ownership of Certain Beneficial Owners and Management" and is incorporated into this Item 12 by reference.

------

<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

**Equity Compensation Plans**

We currently maintain equity compensation plans that provide for the issuance of Knowles stock to directors, executive officers, and other employees. The following table sets forth information regarding outstanding restricted stock units, SSARs, performance share units, stock options, and shares available for future issuance under these plans as of December 31, 2022:

---

| | | | |
|:---|:---|:---|:---|
| **Plan Category** | **(a)**<br>**Number of Securities to be Issued Upon Exercise of Outstanding Options, Warrants, and Rights** <sup>(1)</sup> | **(b)**<br>**Weighted-Average Exercise Price of Outstanding Options, Warrants, and Rights** | **(c)**<br>**Number of Securities Remaining Available for Future Issuance Under Equity Compensation Plans (Excluding Securities Reflected in Column (a))** <sup>(2)</sup> |
| Equity compensation plans approved by stockholders | 5641098 | $16.86 | 9010351 |
| Equity compensation plans not approved by stockholders |  |  |  |
| Total | 5641098 | $16.86 | 9010351 |

---

<sup>(1)</sup> Column (a) consists of shares issuable pursuant to outstanding restricted stock units, SSARs, performance share units, and stock option awards under the Company's 2018 Equity and Cash Incentive Plan, 2016 Equity and Cash Incentive Plan, and 2014 Equity and Cash Incentive Plan. No further awards may be made under the 2014 Equity and Cash Incentive Plan or the 2016 Equity and Cash Incentive Plan. Restricted stock units and performance share units are not reflected in the weighted-average exercise price in column (b).

<sup>(2)</sup> Column (c) consists of shares available for future issuance under the 2018 Equity and Cash Incentive Plan. The 2018 Equity and Cash Incentive Plan provides for stock options and SSAR grants, restricted stock awards, restricted stock unit awards, unrestricted stock awards, performance share awards, cash performance awards, and deferred stock units. Shares subject to stock options and SSARs will reduce the shares available for awards under the 2018 Equity and Cash Incentive Plan by one share for every one share granted. Performance share awards, restricted stock, unrestricted stock, restricted stock units that are settled in shares of common stock, and deferred stock units will reduce the shares available for awards under the 2018 Equity and Cash Incentive Plan by 1.75 shares for every one share awarded. Cash performance awards do not count against the pool of available shares. The number of shares earned when an award is exercised, vested, or is paid out will count against the pool of available shares, including shares withheld to pay taxes or an option's exercise price. Shares subject to an award under the 2018 Equity and Cash Incentive Plan, 2016 Equity and Cash Incentive Plan, and the 2014 Equity and Cash Incentive Plan that are canceled, terminated, forfeited, or that expire will be available for reissuance under the 2018 Equity and Cash Incentive Plan.

**ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE**

The information required by this Item 13 will be included in our 2023 Proxy Statement under the headings "Corporate Governance" and "Procedures for Approval of Related Person Transactions" and is incorporated in this Item 13 by reference.

**ITEM 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES**

The information required by this Item 14 will be included in our 2023 Proxy Statement under the caption "Proposal 2 - Ratification of the Appointment of Independent Registered Public Accounting Firm" and is incorporated in this Item 14 by reference.

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

**PART IV**

**ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES**

a) The following documents are filed as part of this report:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) Financial Statements:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• The financial statements are set forth under "Item 8. Financial Statements and Supplementary Data" of this Form 10-K.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) Financial Statement Schedules:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• The following financial statement schedule is set forth under "Item 8. Financial Statements and Supplementary Data" of this Form 10-K. All other schedules have been omitted because they are not required, are not applicable or the required information is included in the financial statements or the notes thereto.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Schedule II - Valuation and Qualifying Accounts

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) Exhibits

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| | | **Incorporated by Reference** | **Incorporated by Reference** | **Incorporated by Reference** | **Incorporated by Reference** | |
| **Exhibit Number** | **Description** | **Form** | **File No.** | **Date of Filing** | **Exhibit Number** | **Filed Herewith** |
| <u>[3.1](http://www.sec.gov/Archives/edgar/data/1587523/000158752319000016/exhibit31q22019.htm)</u> | <u>[Restated Certificate of Incorporation of Knowles Corporation](http://www.sec.gov/Archives/edgar/data/1587523/000158752319000016/exhibit31q22019.htm)</u> | 10-Q | 001-36102 | 7/30/2019 | 3.1 |  |
| <u>[3.2](https://www.sec.gov/Archives/edgar/data/1587523/000158752322000080/exhibit31.htm)</u> | <u>[Fourth Amended and Restated By-Laws of Knowles Corporation](https://www.sec.gov/Archives/edgar/data/1587523/000158752322000080/exhibit31.htm)</u> | 8-K | 001-36102 | 10/27/2022 | 3.1 |  |
| <u>[4.1](a20221231exhibit41.htm)</u> | <u>[Description of Securities](a20221231exhibit41.htm)</u> |  |  |  |  | X |
| <u>[10.1†](http://www.sec.gov/Archives/edgar/data/1587523/000158752320000016/knowlesseniorexecutivech.htm)</u> | <u>[Knowles Corporation Senior Executive Change-in-Control Severance Plan](http://www.sec.gov/Archives/edgar/data/1587523/000158752320000016/knowlesseniorexecutivech.htm)</u> | 8-K | 001-36102 | 5/1/2020 | 10.4 |  |
| <u>[10.2†](http://www.sec.gov/Archives/edgar/data/1587523/000158752320000016/knowlescorporationexecut.htm)</u> | <u>[Knowles Corporation Executive Severance Plan](http://www.sec.gov/Archives/edgar/data/1587523/000158752320000016/knowlescorporationexecut.htm)</u> | 8-K | 001-36102 | 5/1/2020 | 10.3 |  |
| <u>[10.3†](http://www.sec.gov/Archives/edgar/data/1587523/000119312514079043/d680656dex104.htm)</u> | <u>[2014 Equity and Cash Incentive Plan](http://www.sec.gov/Archives/edgar/data/1587523/000119312514079043/d680656dex104.htm)</u> | 8-K | 001-36102 | 2/28/2014 | 10.4 |  |
| <u>[10.4†](http://www.sec.gov/Archives/edgar/data/1587523/000119312514093742/d691366dex101.htm)</u> | <u>[Form of Restricted Stock Unit Award Agreement](http://www.sec.gov/Archives/edgar/data/1587523/000119312514093742/d691366dex101.htm)</u> | 8-K | 001-36102 | 3/7/2014 | 10.1 |  |
| <u>[10.5†](http://www.sec.gov/Archives/edgar/data/1587523/000119312513444024/d602430dex108.htm)</u> | <u>[Form of Award Grant Letter for Restricted Stock Units](http://www.sec.gov/Archives/edgar/data/1587523/000119312513444024/d602430dex108.htm)</u> | 10 | 001-36102 | 11/15/2013 | 10.8 |  |
| <u>[10.6†](http://www.sec.gov/Archives/edgar/data/1587523/000119312513444024/d602430dex109.htm)</u> | <u>[Form of Award Grant Letter for Restricted Stock](http://www.sec.gov/Archives/edgar/data/1587523/000119312513444024/d602430dex109.htm)</u> | 10 | 001-36102 | 11/15/2013 | 10.9 |  |
| <u>[10.7†](http://www.sec.gov/Archives/edgar/data/1587523/000119312513444024/d602430dex1010.htm)</u> | <u>[Form of Award Grant Letter for Stock Settled Appreciation Rights](http://www.sec.gov/Archives/edgar/data/1587523/000119312513444024/d602430dex1010.htm)</u> | 10 | 001-36102 | 11/15/2013 | 10.10 |  |
| <u>[10.8†](http://www.sec.gov/Archives/edgar/data/1587523/000119312514093742/d691366dex102.htm)</u> | <u>[Form of Stock Option Award Agreement](http://www.sec.gov/Archives/edgar/data/1587523/000119312514093742/d691366dex102.htm)</u> | 8-K | 001-36102 | 3/7/2014 | 10.2 |  |
| <u>[10.9†](http://www.sec.gov/Archives/edgar/data/1587523/000119312514093742/d691366dex103.htm)</u> | <u>[Form of Replacement SSAR Award Agreement](http://www.sec.gov/Archives/edgar/data/1587523/000119312514093742/d691366dex103.htm)</u> | 8-K | 001-36102 | 3/7/2014 | 10.3 |  |
| <u>[10.10†](http://www.sec.gov/Archives/edgar/data/1587523/000119312514093742/d691366dex104.htm)</u> | <u>[Form of Replacement Restricted Stock Unit Award Agreement](http://www.sec.gov/Archives/edgar/data/1587523/000119312514093742/d691366dex104.htm)</u> | 8-K | 001-36102 | 3/7/2014 | 10.4 |  |
| <u>[10.11†](http://www.sec.gov/Archives/edgar/data/1587523/000158752314000006/a2013123110kex1057.htm)</u> | <u>[Nonemployee Director Deferral Program](http://www.sec.gov/Archives/edgar/data/1587523/000158752314000006/a2013123110kex1057.htm)</u> | 10-K | 001-36102 | 3/28/2014 | 10.5.7 |  |
| <u>[10.12†](http://www.sec.gov/Archives/edgar/data/1587523/000119312514079043/d680656dex106.htm)</u> | <u>[Executive Deferred Compensation Plan](http://www.sec.gov/Archives/edgar/data/1587523/000119312514079043/d680656dex106.htm)</u> | 8-K | 001-36102 | 2/28/2014 | 10.6 |  |
| <u>[10.13†](http://www.sec.gov/Archives/edgar/data/1587523/000119312514079043/d680656dex105.htm)</u> | <u>[Executive Officer Annual Incentive Plan](http://www.sec.gov/Archives/edgar/data/1587523/000119312514079043/d680656dex105.htm)</u> | 8-K | 001-36102 | 2/28/2014 | 10.5 |  |
| <u>[10.14†](http://www.sec.gov/Archives/edgar/data/1587523/000158752316000029/a20151231exhibit1017.htm)</u> | <u>[First Amendment, dated as of May 4, 2015, to the Knowles Corporation 2014 Equity and Cash Incentive Plan](http://www.sec.gov/Archives/edgar/data/1587523/000158752316000029/a20151231exhibit1017.htm)</u> | 10-K | 001-36102 | 2/19/2016 | 10.17 |  |
| <u>[10.15†](http://www.sec.gov/Archives/edgar/data/1587523/000119312516504840/d116444ddef14a.htm#toc116444_35)</u> | <u>[Knowles Corporation 2016 Equity and Cash Incentive Plan, incorporated herein by reference to Appendix B to the Registrant's Definitive Proxy Statement](http://www.sec.gov/Archives/edgar/data/1587523/000119312516504840/d116444ddef14a.htm#toc116444_35)</u> | DEF 14A | 001-36102 | 3/15/2016 | Appendix B |  |
| <u>[10.16†](http://www.sec.gov/Archives/edgar/data/1587523/000158752316000047/a2016630exhibit1015.htm)</u> | <u>[Form of Restricted Stock Unit Award Agreement dated May 2, 2016](http://www.sec.gov/Archives/edgar/data/1587523/000158752316000047/a2016630exhibit1015.htm)</u> | 10-Q | 001-36102 | 8/9/2016 | 10.15 |  |
| <u>[10.17†](http://www.sec.gov/Archives/edgar/data/1587523/000158752316000047/a2016630exhibit1016.htm)</u> | <u>[Form of Stock Option Award Agreement dated May 2, 2016](http://www.sec.gov/Archives/edgar/data/1587523/000158752316000047/a2016630exhibit1016.htm)</u> | 10-Q | 001-36102 | 8/9/2016 | 10.16 |  |

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| <u>[10.18†](http://www.sec.gov/Archives/edgar/data/1587523/000158752316000047/a2016630exhibit1017.htm)</u> | <u>[Addendum to Stock Option Agreement and Restricted Stock Award Agreement for Non-U.S Employees dated May 2, 2016](http://www.sec.gov/Archives/edgar/data/1587523/000158752316000047/a2016630exhibit1017.htm)</u> | 10-Q | 001-36102 | 8/9/2016 | 10.17 |  |
| <u>[10.19†](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000007/a20161231exhibit1036.htm)</u> | <u>[Amendment Number Two to the Knowles Corporation 2014 Equity and Cash Incentive Plan, dated November 18, 2016](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000007/a20161231exhibit1036.htm)</u> | 10-K | 001-36102 | 2/21/2017 | 10.36 |  |
| <u>[10.20†](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000007/a20161231exhibit1037.htm)</u> | <u>[Amendment Number One to the Knowles Corporation 2016 Equity and Cash Incentive Plan, dated November 18, 2016](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000007/a20161231exhibit1037.htm)</u> | 10-K | 001-36102 | 2/21/2017 | 10.37 |  |
| <u>[10.21†](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000007/a20161231exhibit1038.htm)</u> | <u>[Form of Restricted Stock Unit Award Agreement, dated November 17, 2016](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000007/a20161231exhibit1038.htm)</u> | 10-K | 001-36102 | 2/21/2017 | 10.38 |  |
| <u>[10.22†](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000007/a20161231exhibit1039.htm)</u> | <u>[Form of Stock Option Award Agreement, dated November 17, 2016](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000007/a20161231exhibit1039.htm)</u> | 10-K | 001-36102 | 2/21/2017 | 10.39 |  |
| <u>[10.23†](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000013/a2017331exhibit101.htm)</u> | <u>[Form of Performance Share Unit Award Agreement dated February 16, 2017](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000013/a2017331exhibit101.htm)</u> | 10-Q | 001-36102 | 4/28/2017 | 10.1 |  |
| <u>[10.24](https://www.sec.gov/Archives/edgar/data/1587523/000158752323000019/exhibit101-creditagr.htm)</u> | <u>[Amended and Restated Credit Agreement dated as of February 8, 2023, among Knowles Corporation, JPMorgan Chase Bank, N.A. and the other lenders thereto](https://www.sec.gov/Archives/edgar/data/1587523/000158752323000019/exhibit101-creditagr.htm)</u> | 8-K | 001-36102 | 2/9/2023 | 10.1 |  |
| <u>[10.25†](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000028/a2017930exhibit102.htm)</u> | <u>[Knowles Corporation Nonemployee Director Deferral Program](http://www.sec.gov/Archives/edgar/data/1587523/000158752317000028/a2017930exhibit102.htm)</u> | 10-Q | 001-36102 | 10/30/2017 | 10.2 |  |
| <u>[10.26†](http://www.sec.gov/Archives/edgar/data/1587523/000119312518082089/d479763ddef14a.htm#toc479763_39)</u> | <u>[Knowles Corporation 2018 Equity and Cash Incentive Plan](http://www.sec.gov/Archives/edgar/data/1587523/000119312518082089/d479763ddef14a.htm#toc479763_39)</u> | DEF 14A | 001-36102 | 3/14/2018 | Appendix B |  |
| <u>[10.27†](http://www.sec.gov/Archives/edgar/data/1587523/000158752320000016/amendedandrestated2018eq.htm)</u> | <u>[Amended and Restated Knowles Corporation 2018 Equity and Cash Incentive Plan](http://www.sec.gov/Archives/edgar/data/1587523/000158752320000016/amendedandrestated2018eq.htm)</u> | 8-K | 001-36102 | 5/1/2020 | 10.1 |  |
| <u>[10.28†](http://www.sec.gov/Archives/edgar/data/1587523/000158752318000011/a2018331exhibit101.htm)</u> | <u>[Form of Performance Award Agreement](http://www.sec.gov/Archives/edgar/data/1587523/000158752318000011/a2018331exhibit101.htm)</u> | 10-Q | 001-36102 | 4/30/2018 | 10.1 |  |
| <u>[10.29†](http://www.sec.gov/Archives/edgar/data/1587523/000158752318000019/a2018630exhibit101.htm)</u> | <u>[Form of Restricted Stock Unit Award Agreement](http://www.sec.gov/Archives/edgar/data/1587523/000158752318000019/a2018630exhibit101.htm)</u> | 10-Q | 001-36102 | 7/30/2018 | 10.1 |  |
| <u>[10.30†](http://www.sec.gov/Archives/edgar/data/1587523/000158752318000019/a2018630exhibit102.htm)</u> | <u>[Form of Stock Option Award Agreement](http://www.sec.gov/Archives/edgar/data/1587523/000158752318000019/a2018630exhibit102.htm)</u> | 10-Q | 001-36102 | 7/30/2018 | 10.2 |  |
| <u>[10.31†](http://www.sec.gov/Archives/edgar/data/1587523/000158752318000019/a2018630exhibit103.htm)</u> | <u>[Form of Performance Award Agreement](http://www.sec.gov/Archives/edgar/data/1587523/000158752318000019/a2018630exhibit103.htm)</u> | 10-Q | 001-36102 | 7/30/2018 | 10.3 |  |
| <u>[10.32†](http://www.sec.gov/Archives/edgar/data/1587523/000158752319000025/exhibit101tokn8k115da.htm)</u> | <u>[Knowles Corporation Deferred Compensation Plan](http://www.sec.gov/Archives/edgar/data/1587523/000158752319000025/exhibit101tokn8k115da.htm)</u> | 8-K | 001-36102 | 11/04/2019 | 10.1 |  |
| <u>[10.33†](http://www.sec.gov/Archives/edgar/data/1587523/000158752320000016/form-knowlesdirectorsrsu.htm)</u> | <u>[Form of Non-Employee Director Restricted Stock Unit Award Agreement](http://www.sec.gov/Archives/edgar/data/1587523/000158752320000016/form-knowlesdirectorsrsu.htm)</u> | 8-K | 001-36102 | 5/1/2020 | 10.2 |  |
| <u>[21.1](a20221231exhibit211.htm)</u> | <u>[Subsidiaries of Knowles Corporation](a20221231exhibit211.htm)</u> |  |  |  |  | X |
| <u>[23.1](a20221231exhibit231.htm)</u> | <u>[Consent of PricewaterhouseCoopers LLP](a20221231exhibit231.htm)</u> |  |  |  |  | X |
| <u>[24.1](#i54e8c3bf19e84fed84edbf0504abb5c3_205)</u> | <u>[Power of Attorney (included on the Signature page of this Annual Report on Form 10-K)](#i54e8c3bf19e84fed84edbf0504abb5c3_205)</u> |  |  |  |  | X |
| <u>[31.1](a20221231exhibit311.htm)</u> | <u>[Certificate of Principal Executive Officer Required Under Section 302 of the Sarbanes-Oxley Act of 2002](a20221231exhibit311.htm)</u> |  |  |  |  | X |
| <u>[31.2](a20221231exhibit312.htm)</u> | <u>[Certificate of Principal Financial Officer Required Under Section 302 of the Sarbanes-Oxley Act of 2002](a20221231exhibit312.htm)</u> |  |  |  |  | X |
| <u>[32.1](a20221231exhibit321.htm)</u> | <u>[Joint Certificate of the Principal Executive Officer and Principal Financial Officer Required Under Section 906 of the Sarbanes-Oxley Act of 2002](a20221231exhibit321.htm)</u> |  |  |  |  | X |
| 101 | The following materials from the Knowles Corporation Annual Report on Form 10-K for the year ended December 31, 2022 formatted in inline XBRL (eXtensible Business Reporting Language): (i) Consolidated Statements of Earnings, (ii) Consolidated Statements of Comprehensive Earnings, (iii) Consolidated Balance Sheets, (iv) Consolidated Statements of Equity, (v) Consolidated Statements of Cash Flows and (vi) Notes to the Consolidated Financial Statements |  |  |  |  | X |
| 104 | Cover Page Interactive Data File (embedded within Inline XBRL documents and included in Exhibit 101) |  |  |  |  | X |
| † | Indicates the exhibit is a management contract or compensatory plan or arrangement | Indicates the exhibit is a management contract or compensatory plan or arrangement | Indicates the exhibit is a management contract or compensatory plan or arrangement | Indicates the exhibit is a management contract or compensatory plan or arrangement | Indicates the exhibit is a management contract or compensatory plan or arrangement | Indicates the exhibit is a management contract or compensatory plan or arrangement |

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

**ITEM 16. FORM 10-K SUMMARY**

None.

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

**SIGNATURES**

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

---

| | | |
|:---|:---|:---|
| | | KNOWLES CORPORATION<br>/s/ JEFFREY S. NIEW |
| | | Jeffrey S. Niew |
| | | *President and Chief Executive Officer* |
| Date: | February 9, 2023 | |

---

**<u>POWER OF ATTORNEY</u>**

Know all persons by these presents, that each person whose signature appears below constitutes and appoints Jeffrey S. Niew, John S. Anderson and Robert J. Perna, and each of them, as such person's true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for such person and in such person's name, place and stead, in any and all capacities, to sign any and all amendments to this report, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully to all intents and purposes as such person might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their or such person's substitute or substitutes, may lawfully do or cause to be done by virtue thereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

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<u>[**Table of Contents**](#i54e8c3bf19e84fed84edbf0504abb5c3_4)</u>

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| | | |
|:---|:---|:---|
| **Signature** | **Title** | **Date** |
| /s/ JEFFREY S. NIEW | Chief Executive Officer, President and Director <br>(Principal Executive Officer) | February 9, 2023 |
| Jeffrey S. Niew |  |  |
| /s/ JOHN S. ANDERSON | Senior Vice President and Chief Financial Officer<br>(Principal Financial Officer) | February 9, 2023 |
| John S. Anderson |  |  |
| /s/ AIR A. BASTARRICA, JR. | Vice President, Controller<br>(Principal Accounting Officer) | February 9, 2023 |
| Air A. Bastarrica, Jr. |  |  |
| /s/ DONALD MACLEOD | Chairman, Board of Directors | February 9, 2023 |
| Donald Macleod |  |  |
| /s/ KEITH L. BARNES | Director | February 9, 2023 |
| Keith L. Barnes |  |  |
| /s/ DANIEL J. CROWLEY | Director | February 9, 2023 |
| Daniel J. Crowley |  |  |
| /s/ HERMANN EUL | Director | February 9, 2023 |
| Hermann Eul |  |  |
| /s/ DIDIER HIRSCH | Director | February 9, 2023 |
| Didier Hirsch |  |  |
| /s/ YE JANE LI | Director | February 9, 2023 |
| Ye Jane Li |  |  |
| /s/ CHERYL SHAVERS | Director | February 9, 2023 |
| Cheryl Shavers |  |  |
| /s/ MICHAEL S. WISHART | Director | February 9, 2023 |
| Michael S. Wishart |  |  |

---

## Exhibit 4.1

![](a20221231exhibit41001.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibit 4.1 DESCRIPTION OF THE REGISTRANT'S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2022, Knowles Corporation ("we", "us", "our", "Knowles" or the "Company") had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"): our common stock. Description of Common Stock The following description of our common stock is a summary and does not purport to be complete. It is subject to and qualified in its entirety by reference to our Restated Certificate of Incorporation (the "Certificate of Incorporation") and our Fourth Amended and Restated Bylaws (the "Bylaws"), each of which are incorporated by reference as an exhibit to the Annual Report on Form 10-K of which this Exhibit 4.3 is a part. Authorized Capital Stock Our authorized capital stock consist of 400,000,000 shares of common stock, par value $0.01 per share ("Common Stock"), and 10,000,000 shares of preferred stock, par value $0.01 per share ("Preferred Stock"). The outstanding shares of our Common Stock are fully paid and nonassessable. Voting Rights Holders of Common Stock are entitled to one vote per share on all matters voted on by the stockholders, including the election of directors. Our Common Stock does not have cumulative voting rights. Dividend Rights Subject to the rights of holders of outstanding shares of Preferred Stock, if any, the holders of Common Stock are entitled to receive dividends, if any, as may be declared from time to time by the Board of Directors in its discretion out of funds legally available for the payment of dividends. Liquidation Rights Subject to the rights of holders of outstanding shares of Preferred Stock, if any, holders of Common Stock will share ratably in all assets legally available for distribution to our shareholders in the event of dissolution. Other Rights and Preferences Our Common Stock has no sinking fund or redemption provisions or preemptive, conversion or exchange rights. Certain Anti-Takeover Effects of Our Certificate of Incorporation and Our Bylaws Our Certificate of Incorporation, our Bylaws, and Delaware law contain provisions that are intended to deter coercive takeover practices and inadequate takeover bids by making such practices or bids unacceptably expensive to the bidder and to encourage prospective acquirers to negotiate with our Board of Directors rather than to attempt a hostile takeover. These provisions include: Board Vacancies

------

![](a20221231exhibit41002.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Our Certificate of Incorporation and Bylaws provide that any vacancy in our Board of Directors, whether because of an increase in the number of directors or the death, resignation, retirement, disqualification, removal or any other cause, may be filled by vote of the majority of the remaining directors, even if less than a quorum, or by the sole remaining director. Action by Written Consent; Special Meetings of Stockholders Our Certificate of Incorporation and Bylaws provide that stockholder action may only be taken at an annual or special meeting of the stockholders and may not be taken by written consent in lieu of a meeting. Our Certificate of Incorporation and Bylaws also specifically deny the ability of stockholders to call a special meeting. Advance Notice Procedures Our Bylaws establish an advance notice procedure for stockholder proposals to be brought before an annual meeting of our stockholders, including proposed nominations of persons for election to the Board of Directors. Stockholders at an annual meeting may only consider proposals or nominations specified in the notice of meeting or brought before the meeting by or at the direction of the Board of Directors or by a stockholder (a) who was a stockholder of record (i) on the date of the giving of notice, (ii) on the record date for the meeting, and (iii) through the date of such meeting; (b) who is entitled to vote at the meeting; and (c) who has given our Secretary timely written notice, in proper form, of the stockholder's intention to bring that business before the meeting. To be timely, with respect to an annual meeting of the stockholders, a stockholder's notice must generally be received at our principal executive offices not less than 90 days nor more than 120 days prior to the first anniversary of the date of our immediately preceding annual meeting of stockholders; provided, however, that in the event that an annual meeting of stockholders is called for a date that is more than 30 days before or more than 70 days after such anniversary date, notice by the stockholders in order to be timely must be received not earlier than the one hundred twentieth (120th) day prior to such annual meeting and not later than 5:00 p.m. Eastern time on the later of (i) the ninetieth (90th) day prior to such annual meeting and (ii) the 10th day following the day on which such notice of the date of the annual meeting of stockholders is mailed or publicly disclosed. With respect to a special meeting of the stockholders, a stockholder's notice must be received not earlier than 5:00 p.m. Eastern time 120 days prior to such special meeting of stockholders and not later than 5:00 p.m. Eastern time 90 days prior to such special meeting or, if public disclosure of the date of the special meeting and the nominees proposed by the Board of Directors to be elected at such meeting is first made less than 90 days prior to the date of such special meeting, the 10th day following the day on which such public disclosure is first made. Preferred Stock The Board has the power, subject to applicable law, to issue series of preferred stock that could, depending on the terms of the series, impede the completion of a merger, tender offer or other takeover attempt. For instance, subject to applicable law, a series of preferred stock might impede a business combination by including class voting rights, which would enable the holder or holders of such series to block a proposed transaction. The Board will make any determination to issue shares of preferred stock based on its judgment as to the Company's and its stockholders' best interests. The Board, in so acting, could issue preferred stock having terms that could discourage an acquisition attempt or other transaction that some, or a majority, of the stockholders might believe to be in their best interests or in which stockholders might receive a premium for their shares of common stock over the then-prevailing market price of the stock. Delaware Anti-Takeover Law Section 203 of the Delaware General Corporation Law ("Section 203") provides that, subject to exceptions specified therein, an "interested stockholder" of a Delaware corporation shall not engage in any "business combination," including mergers or consolidations or acquisitions of additional shares of the corporation, with the corporation for a three year period following the time that such stockholder becomes an interested stockholder unless:

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![](a20221231exhibit41003.jpg)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• prior to such time, the board of directors of the corporation approved either the business combination or the transaction that resulted in the stockholder becoming an interested stockholder; • upon consummation of the transaction that resulted in the stockholder becoming an interested stockholder, the interested stockholder owned at least 85% of the voting stock of the corporation outstanding at the time the transaction commenced (excluding certain categories of shares); or • at or subsequent to such time the business combination is approved by the board of directors of the corporation and authorized at an annual or special meeting of stockholders, and not by written consent, by the affirmative vote of at least 66 2/3% of the outstanding voting stock that is not owned by the interested stockholder. Under Section 203, the restrictions described above also do not apply to specified business combinations proposed by an interested stockholder following the announcement or notification of one of the specified transactions involving the corporation and a person who had not been an interested stockholder during the previous three years or who became an interested stockholder with the approval of a majority of the corporation's directors, if such transaction is approved or not opposed by a majority of the directors who were directors prior to any person becoming an interested stockholder during the previous three years or were recommended for election or elected to succeed such directors by a majority of such directors. Except as otherwise specified in Section 203, an interested stockholder is defined to include: • any person that is the owner of 15% or more of the outstanding voting stock of the corporation, or is an affiliate or associate of the corporation and was the owner of 15% or more of the outstanding voting stock of the corporation at any time within three years immediately prior to the date of determination; and • the affiliates and associates of any such person. Under certain circumstances, Section 203 would make it more difficult for a person who is an interested stockholder to effect various business combinations with us for a three-year period. A Delaware corporation may opt out of Section 203 with an express provision in its original certificate of incorporation or an express provision in its certificate of incorporation or bylaws resulting from amendments approved by the holders of at least a majority of the corporation's outstanding voting shares. We have not opted out of Section 203. Listing The Common Stock is traded on the New York Stock Exchange under the trading symbol "KN."

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## Exhibit 21.1

**Exhibit 21.1**

**List of Subsidiaries** 

---

| | |
|:---|:---|
| **Company Name** | **Where Incorporated** |
| ***Domestic*** | |
| Integrated Microwave Corporation | California |
| Knowles Capital Holdings, Inc. | Delaware |
| Knowles Cazenovia Inc. | Delaware |
| Knowles Electronics Holdings, Inc. | Delaware |
| Knowles Electronics, LLC | Delaware |
| Knowles Intermediate Holding, Inc. | Delaware |
| Novacap, LLC | Delaware |
| Sensor Platforms, Inc. | Delaware |
| ***Foreign*** | |
| Audience Communications Systems India Private Limited | India |
| Audience International, Inc. | Cayman Islands |
| Audience Singapore Pte. Ltd. | Singapore |
| Johanson Dominicana S.A.S. | Dominican Republic |
| KEP (Philippines) Reality Corporation ("LandCo") | Philippines |
| Knowles (UK) Limited | United Kingdom |
| Knowles Electronics (Malaysia) Sdn. Bhd. | Malaysia |
| Knowles Electronics (Philippines) Corporation | Philippines |
| Knowles Electronics (Shanghai) Co., Ltd. | China |
| Knowles Electronics (Shanghai) Co., Ltd. Beijing Branch | China |
| Knowles Electronics (Shanghai) Co., Ltd. Shenzhen Branch | China |
| Knowles Electronics (Suzhou) Co., Ltd. | China |
| Knowles Electronics GmbH | Switzerland |
| Knowles Electronics Denmark ApS | Denmark |
| Knowles Electronics Japan, K.K. | Japan |
| Knowles Electronics Singapore Pte Ltd | Singapore |
| Knowles Electronics Taiwan, Ltd. | Taiwan |
| Knowles Europe | United Kingdom |
| Knowles GmbH | Switzerland |
| Knowles IPC (M) Sdn. Bhd. | Malaysia |
| Knowles Korea Yuhan Hoesa | South Korea |
| Knowles Luxembourg International Sarl | Luxembourg |
| Knowles Luxembourg S.a.r.l. | Luxembourg |
| Revod (Philippines) Holdings Corporation | Philippines |

---

## Exhibit 23.1

**Exhibit 23.1** 

<u>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</u> 

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-194262, 333-205690, 333-211156, 333-224638, and 333-238253) of Knowles Corporation of our report dated February 9, 2023 relating to the financial statements, financial statement schedule, and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Chicago, Illinois

February 9, 2023

## Exhibit 31.1

**Exhibit 31.1**

**CERTIFICATION PURSUANT TO RULE 13a-14(a) AND RULE 15d-14(a)** 

**OF THE SECURITIES EXCHANGE ACT OF 1934**

I, Jeffrey S. Niew, certify that:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.I have reviewed this Annual Report on Form 10-K of Knowles Corporation;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a)&nbsp;&nbsp;&nbsp;&nbsp;Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b)&nbsp;&nbsp;&nbsp;&nbsp;Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c)&nbsp;&nbsp;&nbsp;&nbsp;Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d)&nbsp;&nbsp;&nbsp;&nbsp;Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: February 9, 2023

---

| |
|:---|
| /s/ JEFFREY S. NIEW |
| Name: Jeffrey S. Niew |
| Title: President and Chief Executive Officer |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(Principal Executive Officer) |

---

## Exhibit 31.2

**Exhibit 31.2**

**CERTIFICATION PURSUANT TO RULE 13a-14(a) AND RULE 15d-14(a)** 

**OF THE SECURITIES EXCHANGE ACT OF 1934**

I, John S. Anderson, certify that:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.I have reviewed this Annual Report on Form 10-K of Knowles Corporation;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a)&nbsp;&nbsp;&nbsp;&nbsp;Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b)&nbsp;&nbsp;&nbsp;&nbsp;Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c)&nbsp;&nbsp;&nbsp;&nbsp;Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d)&nbsp;&nbsp;&nbsp;&nbsp;Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: February 9, 2023

---

| |
|:---|
| /s/ JOHN S. ANDERSON |
| Name: John S. Anderson |
| Title: Senior Vice President & Chief Financial Officer |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(Principal Financial Officer) |

---

## Exhibit 32.1

**Exhibit 32.1**

**JOINT CERTIFICATION PURSUANT TO**

**18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO**

**SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002**

In connection with the Annual Report of Knowles Corporation (the "Company") on Form 10-K for the year ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), we, Jeffrey S. Niew and John S. Anderson, the Principal Executive and Financial Officers of the Company, certify, pursuant to and for purposes of 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)&nbsp;&nbsp;&nbsp;&nbsp;the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;&nbsp;&nbsp;&nbsp;the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

---

| |
|:---|
| /s/ JEFFREY S. NIEW |
| Name: Jeffrey S. Niew |
| Title: President and Chief Executive Officer |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(Principal Executive Officer) |
| Date: February 9, 2023 |
| /s/ JOHN S. ANDERSON |
| Name: John S. Anderson |
| Title: Senior Vice President & Chief Financial Officer |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(Principal Financial Officer) |
| Date: February 9, 2023 |

---

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