Exhibit 99.1 May 1, 2024 FOR IMMEDIATE RELEASE CTS Announces First Quarter 2024 Results Driving Operational Performance and Profitability; Continued Focus on Diversification Lisle, Ill. - CTS Corporation (NYSE: CTS), a leading global designer and manufacturer of custom engineered solutions that “Sense, Connect and Move,” today announced first quarter 2024 results. “We achieved sales and earnings in line with our expectations. Our teams made progress on operational improvements in the first quarter, which he ...