Knowles to Release Fourth Quarter and Full Year 2023 Financial Results on February 7, 2024

Knowles Corporation (NYSE: KN), a leading global supplier of high performance components and solutions, including ceramic capacitors and radio frequency (“RF”) filters, advanced medtech microphones and balanced armature speakers and audio solutions, today announced the date for the release of its fourth quarter and full year 2023 financial results.

Fourth Quarter 2023 Conference Call and Webcast

Knowles will issue its fourth quarter and full year 2023 financial results on February 7, 2024, immediately after market close followed by a conference call at 3:30 p.m. Central time (4:30 p.m. Eastern time) to discuss the results and company outlook.

Analysts and investors are invited to join the conference call using the following information:

Date: Wednesday, February 7, 2024 Time: 3:30 p.m. Central time (4:30 p.m. Eastern time) Toll-Free Dial-In Number: [phone] Toll Dial-In Number: [phone] Conference ID: 3966457 Webcast: https://events.q4inc.com/attendee/638006594

A conference call replay will be available after 7:00 p.m. Central time on February 7 through 11:59 p.m. Central time on February 14 at [phone] (Toll-Free Dial-In); [phone] (Toll Dial-In). The conference ID is 3966457 followed by # key. A webcast replay will also be accessible via the Knowles website at http://investor.knowles.com for a limited time.

About Knowles

Knowles is a market leader and global provider of advanced micro-acoustic microphones and balanced armature speakers, audio solutions, and high performance capacitors and RF products, serving the consumer electronics, medtech, defense, electric vehicle, industrial, and communications markets. Knowles uses its leading position in SiSonic™ 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. Knowles’ focus on the customer, combined with unique technology, proprietary manufacturing techniques, and global operational expertise, enables it to deliver innovative solutions across multiple applications. Founded in 1946 and headquartered in Itasca, Illinois, Knowles is a global organization with employees in over a dozen countries. The Company continues to invest in high value solutions to diversify its revenue and increase exposure to high growth markets. For more information, visit knowles.com.

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Investor Relations: Sarah Cook Knowles Investor Relations [e-mail]