Financial Contact: Sarah Cook Knowles Investor Relations Email: investorrelations@knowles.com Exhibit 99.1 Knowles Reports Q1 2025 Financial Results and Provides Outlook for Q2 2025 First Quarter Revenues from Continuing Operations of $132M, at High-End of the Guided Range Net Cash from Operations Exceeded the High-End of the Guided Range Q2 Revenues are Expected to be up 4% Year over Year ITASCA, Ill., April 24, 2025 - Knowles Corporation (NYSE: KN), a leading manufacturer of specialty electronic component ...