Littelfuse Releases 2021 Sustainability Report

Committed to the long-term value of a robust environmental, social, and governance (ESG) strategy

Littelfuse, Inc. (NASDAQ: LFUS), an industrial technology manufacturing company empowering a sustainable, connected, and safer world, has released its 2021 Sustainability Report on littelfuse.com/about-us/sustainability. The narrative underscores the integration of its strong corporate strategy throughout its business.

"We are pleased to highlight our progress on key initiatives that enrich our environment, associates and communities, and governance," said Dave Heinzmann, Littelfuse President and Chief Executive Officer. "I would like to thank our global teams, customers, suppliers, and other partners, who work each day to strengthen our sustainability efforts. We are proud of the advancements we made during 2021 and look forward to continuing to share our developments.”

Significant report enhancements, which covers the calendar year ended December 31, 2021, include:

• Framework alignment beyond the GRI Sustainability Reporting Standards to include Sustainability Accounting Standards Board (SASB) and United Nations Sustainable Development Goals (SDGs)
• Scope 3 Greenhouse Gas (GHG) emissions estimate
• US ethnicity, or EEO-1, data
• Goals and actions to increase global female leaders and US Black and African American employees
• Emphasis on zero-tolerance policy for, and prevention of, human trafficking, modern slavery, and child labor
• Expanded dialogue on product environmental compliance and supplier sustainability
• Direct material supplier initial sustainability self-assessment initiative

“In 2021, we continued to enhance transparency in communication of our sustainability journey,” said Rebekah Mihm, Littelfuse Global Ethics, Compliance and Sustainability Manager. “We approach the program with a continuous improvement mindset, delivering notable progress in our second year of reporting. We expanded framework alignment and implemented more rigorous controls around data governance to ensure continuity across the global organization. Longer-term, our strategic reporting roadmap is consistent with our ongoing prioritization of comprehensive disclosures for all stakeholders.”

To learn more about Littelfuse ESG initiatives visit its environmental, social, and governance webpages. The 2021 Sustainability Report is available for download here.

To find your way with Littelfuse and explore career opportunities, visit littelfuse.com/careers.

About Littelfuse

Littelfuse (NASDAQ: LFUS) is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with approximately 17,000 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. These statements may involve risks and uncertainties, including, but 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, Inc.'s (“Littelfuse" or the "Company") 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 press 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 January 1, 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 January 1, 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 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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