As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 2/22/24  Perna Robert J                    4          Officer²    1:5K   Knowles Corp.                     Knowles Corp.            
  2/8/24  Perna Robert J                    4          Officer²    1:7K   Knowles Corp.                     Knowles Corp.            
  2/8/23  Perna Robert J                    4          Officer²    1:7K   Knowles Corp.                     Knowles Corp.            
 5/16/22  Perna Robert J                    4          Officer²    1:6K   Knowles Corp.                     Knowles Corp.            
  2/9/22  Perna Robert J                    4          Officer²    1:9K   Knowles Corp.                     Knowles Corp.            
 5/14/21  Perna Robert J                    4          Officer²    1:4K   Knowles Corp.                     Knowles Corp.            
 2/10/21  Perna Robert J                    4          Officer²    1:4K   Knowles Corp.                     Knowles Corp.            
 5/14/20  Perna Robert J                    4          Officer²    1:4K   Knowles Corp.                     Knowles Corp.            

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¹	Filing/Form Type:  -K
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.