Exhibit 99.1 Full Year Highlights: (Year-over-year comparisons unless otherwise noted) CHICAGO, January 28, 2026 - Littelfuse, Inc. (NASDAQ: LFUS), a leader in developing smart solutions that enable safe and efficient electrical energy transfer, today reported financial results for its fourth quarter ended December 27, 2025: "I am proud of our teams as we finished the year with significant momentum, delivering fourth quarter results above our guidance range and successfully closing the acquisition of Basler ...