Littelfuse : Investor Presentation May 2024

INVESTOR PRESENTATION

MAY 2024

1

DISCLAIMERS

Important Information About Littelfuse, Inc. This presentation does not constitute or form part of, and should not be construed as, an offer or solicitation to purchase or sell securities of Littelfuse, Inc. and no investment decision should be made based upon the information provided herein. Littelfuse strongly urges you to review its filings with the Securities and Exchange Commission, which can be found at investor.littelfuse.com. This website also provides additional information about Littelfuse.

"Safe Harbor" Statement Under the Private Securities Litigation Reform Act of 1995. The statements in this presentation 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; 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 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 presentation 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 30, 2023. 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 30, 2023, 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.comand on the SEC's website at http://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.

Non-GAAPFinancial Measures. The information included in this presentation includes the non-GAAP financial measures of organic net sales growth, adjusted operating margin, adjusted EBITDA margin, adjusted diluted earnings per share, adjusted effective tax rate, free cash flow, and consolidated net leverage ratio (as defined in the credit agreement). A reconciliation of these non-GAAP financial measures to the most directly comparable GAAP financial measures are set forth in the appendix. The company believes that these non- GAAP financial measures provide useful information to investors regarding its operational performance, ability to generate cash and its credit position enhancing an investor's overall understanding of its core financial performance. The company believes that these non-GAAP financial measures are commonly used by financial analysts and provide useful information to analysts. Management uses these measures when assessing the performance of the business and for business planning purposes. Note that the definitions of these non-GAAP financial measures may differ from those terms as defined or used by other companies.

Littelfuse, Inc. © 2024 2

LITTELFUSE: A DIVERSIFIED, INDUSTRIAL TECHNOLOGY COMPANY

EMPOWERING A SUSTAINABLE, CONNECTED, AND SAFER WORLD

Who	Our Strategy
We	& Growth
Are	Vectors

Connecting

Purpose to Our

Performance

• $2.4B diversified, industrial technology company(1)
• 17,000 innovative employees in over 20 countries
• Designer & manufacturer of leading technologies that improve the safety, reliability & performance of our customer's products that use electrical energy

• Broadening technology portfolio
• • industry-leadingtechnical expertise
• Increasing content & share gains in industrial, transportation
• • electronics applications
• Expanding presence in high- growth markets & geographies

• 15-year double-digit
  CAGR: Sales 10%, EPS 18%(2)
• Capital allocation aligned to deliver growth & shareholder value
• Driving a positive sustainable impact through our products & programs
• 1. FY 2023
  2. 2008 - 2023

Littelfuse, Inc. © 2024 3

Q1 2024 HIGHLIGHTS

			Adj.				Free Cash
	Net Sales		Operating		Adj. EPS
				Flow
	$535M		Margin		$1.76		$42M
			11%

Portfolio diversification strategy drives resilient profitability and cash generation

Littelfuse, Inc. © 2024 4

2021 - 2025 GROWTH STRATEGY

Our capabilities, investments & diversification deliver significant value

Littelfuse, Inc. © 2024 5

REVISITING OUR 2021 - 2025 FRAMEWORK

EXECUTING ON OUR GROWTH STRATEGY

REVENUE

• Double-digitrevenue
  CAGR
• • 5 - 7% organic
  • 5 - 7% from acquisitions

'20 - '23 Sales CAGR: +18%

	EARNINGS			CASH FLOW			ROIC
•	EPS growth		•	100%+ free		•	5-year goal:
	> revenue			cash flow			high-teens
	growth			conversion			ROIC %
•	17 - 19%		•	Capital		•	Near-term
	operating			expenditures			objective:
	margins			4 - 5% of			mid-teens
				revenue			ROIC %

• 21 - 23%
  EBITDA margins

'20 - '23 EPS	'20 - '23 FCF	'20 - '23 ROIC
CAGR: +23%
CAGR: +22%	106%	Upper-teens %
	Conversion

CAPITAL

ALLOCATION

• Return 40% of free cash flow to shareholders
• Remainder to focus on acquisitions

~$1.2B+

Capital

Deployed

Littelfuse, Inc. © 2024 6

DIVERSIFICATION OF TECHNOLOGIES, END MARKETS & GEOGRAPHIES DELIVERS DOUBLE-DIGITREVENUE & EARNINGS CAGR

15-year* CAGR:

Sales +10%

EPS +18%

'08

'09

'10

'11

'12

'13

'14

'15

'16

'17

'18

'19

'20

'21

'22

'23

Revenue (M$)		Adjusted EPS

• Expanding leadership in core markets while prioritizing strategic investments to bolster diversified portfolio
• Flexible cost structure drives improved profitability through cycles
• Proven team with history of successfully executing through dynamic environments

Strong track record of top tier financial performance

*2008 - 2023

Littelfuse, Inc. © 2024 7

2022 SUSTAINABILITY REPORT HIGHLIGHTS

Our

Purpose

We empower a sustainable, connected, and safer world

Framework &

Disclosure Programs:

Littelfuse, Inc. © 2024 8

INCREASING COMPLEXITY DRIVES CONTENT

OPPORTUNITIES

Sustainability

		Connectivity		Renewables
			Electrification
		Electronification		Power Optimization
		Digital Transformation
Safety		Artificial Intelligence
	Mobility

• Increasing Safety Standards
• More Electrification = More Protection

Our capabilities

enable high-growth

applications

• Renewables
• Energy storage
• Power conversion
• eMobility
• Building systems
• AI, data center & cloud

Positioned to serve long-term structural growth themes

Littelfuse, Inc. © 2024 9

BALANCED, DIVERSE & GLOBAL END MARKET EXPOSURE

NO MARKET REPRESENTS AN OUTSIZED PORTION OF REVENUE

TRANSPORTATION

• Commercial Vehicles
• • Material Handling Equipment
  • Heavy-DutyTruck & Bus

	•	Off-Road & Recreational Vehicles	~1/3	~1/3
	•	Construction Equipment	Transportation	Electronics
	•	Agricultural Machinery
•	Passenger Vehicles
•	Rail
•	Aerospace	~1/3

Industrial

ELECTRONICS

• Data Center & Communication Infrastructure
• Building Technologies & Automation
• Appliances
• Medical Devices
• Gaming & Entertainment
• Consumer Electronics (~10% total company revenue)

INDUSTRIAL

•	Renewable Energy	•	Energy Storage
•	Industrial Motor Drives	•	Industrial Safety
•	Factory Automation	•	HVAC
•	Heavy Industry	• EV Charging Infrastructure (CVs & PVs)

Diversification expands global addressable market opportunities to $20+B*

*Company estimate Littelfuse, Inc. © 2024 10