Business Description

Littelfuse, Inc., was incorporated under the laws of the State of Delaware in 1991. References herein to the “Company,” “we,” “our” or “Littelfuse” refer to Littelfuse, Inc. and its subsidiaries. References herein to “2025”, “fiscal 2025” or “fiscal year 2025” refer to the fiscal year ended December 27, 2025. References herein to “2024”, “fiscal 2024” or “fiscal year 2024” refer to the fiscal year ended December 28, 2024. References herein to “2023”, “fiscal 2023” or “fiscal year 2023” refer to the fiscal year ended December 30, 2023. The Company operates on a 52-53 week fiscal year (4-4-5 basis) ending on the Saturday closest to December 31. OVERVIEW Founded in 1927, Littelfuse is a diversified, industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 17,000 global associates, the Company leverages its position as a scaled supplier of passive electronics and protection components, complemented by high-value-add power semiconductor capabilities. Our market leadership and extensive brand equity are underpinned by a broad, multi-technology portfolio that addresses the critical needs of our global customer base. As our end markets transition toward higher power and energy density, customers face escalating challenges related to system safety and energy efficiency. Consequently, our essential technologies are increasingly integral to our customers' evolving architectures. Our engineering teams are frequently embedded within our customers' research and development ("R&D") processes, collaborating on the design-in of next-generation solutions. The Company maintains a robust global manufacturing and operational footprint, strategically located in-region with both customers and supply chain partners. This provides a significant competitive advantage, enabling us to navigate complex and evolving environments with agility. Our financial performance is characterized by resilient profitability and strong cash flow generation, reflecting the value proposition of our mission-critical products and our diverse end-market exposure. With a strong balance sheet providing significant capital allocation flexibility, we are well-positioned to pursue both organic and inorganic growth opportunities. We believe the increasing demand for high-power solutions provides a long-term runway to expand our content per platform and drive sustainable margin enhancement. 3 Table of Contents Segments The Company conducts its business through three