Littelfuse to Acquire 200mm Wafer Fab Located in Dortmund, Germany

Enhances internal power semiconductor capabilities to support long-term growth trajectory

Littelfuse, Inc. (NASDAQ: LFUS), a diversified, industrial technology manufacturing company empowering a sustainable, connected, and safer world, today announced it has entered into a definitive purchase agreement to acquire a 200mm wafer fab located in Dortmund, Germany (“Dortmund fab”) from Elmos Semiconductor SE (FSE: ELG). Key transaction benefits include:

• Expands business opportunities in high-growth industrial end markets like renewables, energy storage, automation, motor drives, power supplies, and e-Mobility off-board charging infrastructure
• Provides a highly skilled technology team with extensive 200mm manufacturing and development experience
• Defined multi-year capacity sharing arrangement with Elmos Semiconductor SE to allow Littelfuse to ramp its technologies over time; initial term lasting through 2029

“The acquisition of the 200mm Dortmund wafer fab is an important element in our long-term growth strategy for power semiconductors,” said Chad Marak, Senior Vice President and General Manager, Littelfuse Semiconductor Business. “Key to our sustained success is expanding our portfolio of technologies and growing internal capabilities to enable us to meet the increasing demands of our customers in high-growth power conversion applications. The Dortmund fab complements our current footprint, adding a highly experienced team and an efficient high-quality wafer processing operation. We are excited about the future prospects of our combined teams and capabilities, which I am confident will continue to position us for long-term profitable growth.”

The acquisition of the Dortmund fab is expected to close early in fiscal year 2025. The total purchase price for the fab is approximately 93 million Euro, of which approximately 37 million Euro will be paid after regulatory approvals, and approximately 56 million Euro will be paid at closing. The transaction is not expected to have a material impact on the company’s fiscal year 2023 or 2024 financial results.

About Littelfuse

Littelfuse, Inc. (NASDAQ: LFUS) is a diversified, industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 18,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation and electronics end markets – everywhere, every day. Learn more at Littelfuse.com.

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995

The statements in this press release that are not historical facts are intended to constitute "forward-looking statements" entitled to the safe-harbor provisions of the Private Securities Litigation Reform Act. Such statements are based on Littelfuse, Inc.’s (“Littelfuse” or the “Company”) current expectations and are subject to a number of factors and uncertainties, which could cause actual results to differ materially from those described in the forward-looking statements. These risks and uncertainties, include, but are not limited to, risks and uncertainties relating to general economic conditions; the severity and duration of the COVID-19 pandemic and the measures taken in response thereto and the effects of those items on the company’s business; product demand and market acceptance; the impact of competitive products and pricing; product quality problems or product recalls; capacity and supply difficulties or constraints; coal mining exposures reserves; cybersecurity matters; failure of an indemnification for environmental liability; exchange rate fluctuations; commodity and other raw material price fluctuations; the effect of Littelfuse's accounting policies; labor disputes; restructuring costs in excess of expectations; pension plan asset returns less than assumed; integration of acquisitions; uncertainties related to political or regulatory changes; and other risks which may be detailed in the company's Securities and Exchange Commission filings. Should one or more of these risks or uncertainties materialize or should the underlying assumptions prove incorrect, actual results and outcomes may differ materially from those indicated or implied in the forward-looking statements. This release should be read in conjunction with information provided in the financial statements appearing in the company's Annual Report on Form 10-K for the year ended December 31, 2022.

Further discussion of the risk factors of the company can be found under the caption "Risk Factors" in the company's Annual Report on Form 10-K for the year ended December 31, 2022, and in other filings and submissions with the SEC, each of which are available free of charge on the company’s investor relations website at investor.littelfuse.com and on the SEC’s website at www.sec.gov. These forward-looking statements are made as of the date hereof. The company does not undertake any obligation to update, amend or clarify these forward-looking statements to reflect events or circumstances after the date hereof or to reflect the availability of new information.

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