Slide 1: Q4 2025 Earnings Release
Q4 2025 Earnings Release January 28, 2026
Slide 2: Disclaimers
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 he
Slide 3: Save the Date: Investor Day
SAVE THE DATE A formal invitation to register for in-person or virtual attendance INVESTOR DAY will be provided in the coming weeks. Due to space availability, the number of in-person participants will be limited and advance May 14, 2026 | New York City registration is required. Littelfuse, Inc. Lit
Slide 4: Strategic Priorities
STRATEGIC PRIORITIES Enhance our Focus to Provide More Complete Drive Further Operational 01 Capitalize on Future 02 Solutions for a Broader 03 Excellence to Amplify Growth Opportunities Set of Customers Long-Term Performance ▪ More structured evaluation of ▪ More collaborative approach ▪ Better lev
Slide 5: Why Littelfuse Wins
WHY LITTELFUSE WINS OUR VALUE PROPOSITION ▪ Market leaders in enabling safe and efficient electrical energy transfer ▪ Global scale and engineering expertise ▪ Customer partnerships with leading innovators across broad end Core Market Leadership market exposures ▪ Core circuit protection leadership
Slide 6: Closing of the Basler Acquisition
CLOSING OF THE BASLER ACQUISITION Enhances High-Growth Industrial Exposure Leveraging Leading Customer Relationships ▪ Basler’s highly reliable and comprehensive controls and protection ▪ Basler brings +80-year history and longstanding relationships with market systems portfolio enhances Littelfuse
Slide 7: Littelfuse Powers the Data Center Ecosystem
LITTELFUSE POWERS THE DATA CENTER ECOSYSTEM ENABLING SAFE & EFFICIENT ENERGY TRANSFER FROM ON-THE-BOARD TO THE INFRASTRUCTURE A Backup Power/Generator E Power Busway/Cable Engine system Feeder/riser busway Fuel and exhaust system H Busways Control and monitoring Tap-off boxes Cooling and lubrication
Slide 8: Data Center Evolution Drives Littelfuse Content Expansion
DATA CENTER EVOLUTION DRIVES LITTELFUSE CONTENT EXPANSION HIGHER POWER & HIGHER VOLTAGE → INCREASED SALES PER MEGAWATT Trends Shaping the Data Center Ecosystem Evolution AI Advanced cooling High-efficiency power Energy storage and Rising power needs and adoption and power integration distribution po
Slide 9: Q4 2025 Financial Summary
Q4 2025 FINANCIAL SUMMARY 01 Revenue and EPS exceeded the high end of our guidance range 02 Continued strong record of cash generation with Q4 FCF of $120 million; Note 2025 FCF of $366 million, +26% vs. PY 03 Closed the strategic acquisition of Basler Electric, enhancing high growth industrial mark
Slide 10: Q4 2025 Total Company Financial Performance
Q4 2025 TOTAL COMPANY FINANCIAL PERFORMANCE ▪ Revenue +12% reported and +7% organic Revenue vs. PY ▪ Note +3% from acquisitions and +2% from FX $594 ▪ Adj. EBITDA Margin of 20.5% $530 ▪ GAAP diluted loss per share of ($9.72) ▪ Note includes $301m non-cash goodwill Q4-25 Q4-24 impairment charge GAAP
Slide 11: Q4 2025 Sales & Adj. EPS Bridge
Q4 2025 SALES & ADJ. EPS BRIDGE Yr/Yr Sales Bridge Yr/Yr Adj. EPS Bridge $594 2% $1.10 3% $2.69 7% $(0.42) $(0.04) $530 $2.04 $0.52 $1.53 $(0.52) Q4 2024 Organic Growth Dortmund & Basler FX Q4 2025 (in millions) Note Other includes higher adj. effective tax rate, higher diluted share count, & impact
Slide 12: FY 2025 Total Company Financial Performance
FY 2025 TOTAL COMPANY FINANCIAL PERFORMANCE Revenue ▪ Revenue +9% reported and +6% organic vs. PY ▪ Note +2% from acquisitions and +1% from FX $2,386 ▪ Adj. EBITDA Margin of 20.9% $2,191 ▪ GAAP EPS of ($2.89) ▪ Adj. EPS of $10.68 FY-25 FY-24 ▪ FY Op cash flow $434m; Free cash flow GAAP EPS ($2.89) $
Slide 13: Q4 & FY 2025 Electronics Segment
Q4 & FY 2025 ELECTRONICS SEGMENT FINANCIAL PERFORMANCE Q4 2025 Q4 2025 Revenue ▪ Revenue +21% reported and +14% organic vs. PY $345 $286 ▪ Passive Products +23% organic; Semiconductors +6% organic ▪ +4% Dortmund acquisition contribution & +2% from FX Q4-25 Q4-24 ▪ Adj. EBITDA margin 23.7%, +370 bps
Slide 14: Q4 & FY 2025 Transportation Segment
Q4 & FY 2025 TRANSPORTATION SEGMENT FINANCIAL PERFORMANCE Q4 2025 Q4 2025 Revenue Revenue +1% reported and (-1%) organic vs. PY $164 $162 ▪ Passenger vehicle +2% organic; Commercial vehicle -4% organic ▪ +2% FX contribution Q4-25 Q4-24 ▪ Adj. EBITDA margin 16.0% Op Margin 10.7% 2.3%* ▪ Solid operati
Slide 15: Q4 & FY 2025 Industrial Segment
Q4 & FY 2025 INDUSTRIAL SEGMENT FINANCIAL PERFORMANCE Q4 2025 Q4 2025 Revenue ▪ Revenue +4% reported and (-1%) organic vs. PY $85 $82 ▪ Strong energy storage, utility & grid infrastructure, renewables and data center demand was more than offset by lower HVAC demand Q4-25 Q4-24 ▪ +5% Basler acquisiti
Slide 16: Q1 2026 Guidance
Q1 2026 GUIDANCE ▪ Entered Q1 with a strong backlog and bookings Revenue momentum ▪ Focus on execution, traction on strategic priorities ▪ Q1 sales guidance: $625m - $645m $625 - ▪ +7% sequential $645 $594 $554 ▪ +15% yr/yr; +7% organic ▪ +5% yr/yr growth from the Basler acquisition Q1-26 Q4-25 Q1-2
Slide 17: Q1 2026 Sales & Adj. EPS Guidance Bridge
Q1 2026 SALES & ADJ. EPS GUIDANCE BRIDGE Yr/Yr Sales Bridge Yr/Yr Adj. EPS Bridge 650 $0.09 $2.80 3% $635 $0.59 630 5% $(0.07) 610 7% 590 $2.19 570 $554 550 +25% Yr/Yr* Adj. EBITDA 530 Conversion 510 490 470 450 Q1 2025 Organic Growth Basler FX Q1 2026 Q1 2025 Volume & Leverage Stock & Variable Comp
Slide 18: Full Year 2026 Considerations / Expectations
FULL YEAR 2026 CONSIDERATIONS / EXPECTATIONS 2025 Pro Forma Littelfuse Revenue by End Market* 2026 Key Market Assumptions End Market 2026 Assumption Consumer Electronics Content expansion partially offset by continued soft market 9% Transportation conditions Passenger Vehicle 21% Data Center & Conti
Slide 19: Appendix
APPENDIX Littelfuse, Inc. © 2026 19
Slide 20: Supplemental Financial Information
SUPPLEMENTAL FINANCIAL INFORMATION Non-GAAP EPS reconciliation Note: Total will not always foot due to rounding. Q4-25 Q4-24 YTD-25 YTD-24 (a) reflected in selling, general and administrative expenses ("SG&A"). GAAP diluted EPS $ (9.72) $ (2.09) $ (2.89) $ 4.00 (b) reflected in cost of sales. EPS im
Slide 21: Supplemental Financial Information Cont'd
SUPPLEMENTAL FINANCIAL INFORMATION CONT'D Adjusted operating margin / Adjusted EBITDA reconciliation (in millions) Q4-25 Q4-24 YTD-25 YTD-24 Net (loss) income $ (242.1) $ (51.8) $ (71.7) $ 100.2 Add: Income taxes 12.9 9.1 75.3 51.7 Interest expense 8.3 9.4 34.3 38.7 Foreign exchange loss (gain) 1.1
Slide 22: Adjusted EBITDA by Segment Q4
SUPPLEMENTAL FINANCIAL INFORMATION CONT'D Adjusted EBITDA by Segment (in millions) Q4-25 Q4-24 Electronics Transportation Industrial Electronics Transportation Industrial GAAP operating income $ 59.8 $ 17.6 $ 10.2 $ 37.0 $ 3.7 $ 10.3 Add: Add back amortization 10.2 3.3 2.0 9.8 3.4 1.5 Add back depre
Slide 23: Adjusted EBITDA by Segment YTD
SUPPLEMENTAL FINANCIAL INFORMATION CONT'D Adjusted EBITDA by Segment (in millions) YTD-25 YTD-24 Electronics Transportation Industrial Electronics Transportation Industrial GAAP operating income $ 220.1 $ 84.8 $ 59.0 $ 169.9 $ 58.6 $ 42.3 Add: Add back amortization 40.4 13.5 5.9 39.4 13.5 9.2 Add ba
Slide 24: Net Sales Reconciliation Q4-25 vs. Q4-24
SUPPLEMENTAL FINANCIAL INFORMATION CONT'D Net sales reconciliation Q4-25 vs. Q4-24 Electronics Transportation Industrial Total Net sales growth 21% 1% 4% 12% Less: Acquisitions 4% —% 5% 3% FX impact 2% 2% 1% 2% Organic net sales growth (decline) 14% (1)% (1)% 7% Electronics segment net sales reconci
Slide 25: Net Sales Reconciliation YTD-25 vs. YTD-24
SUPPLEMENTAL FINANCIAL INFORMATION CONT'D Net sales reconciliation YTD-25 vs. YTD-24 Electronics Transportation Industrial Total Net sales growth 13% 1% 10% 9% Less: Acquisitions 4% —% 1% 2% FX impact 1% 1% —% 1% Organic net sales growth (decline) 8% (1)% 9% 6% Electronics segment net sales reconcil
Slide 26: Income Tax and Free Cash Flow Reconciliation
SUPPLEMENTAL FINANCIAL INFORMATION CONT'D Income tax reconciliation Q4-25 Q4-24 YTD-25 YTD-24 Income taxes $ 12.9 $ 9.1 $ 75.3 $ 51.7 Effective rate (5.6)% (21.3)% 2,088.2% 34.0% Non-GAAP adjustments - income taxes 2.4 (1.5) 4.6 4.7 Adjusted income taxes $ 15.3 $ 7.6 $ 79.9 $ 56.4 Adjusted effective
Slide 27: Consolidated Total Debt
SUPPLEMENTAL FINANCIAL INFORMATION CONT'D ( in millions) Consolidated Total Debt As of December 27, 2025 Consolidated Total Debt $ 802.6 * Our Credit Agreement and Private Placement Unamortized debt issuance costs 1.8 Note with maturities ranging from 2024 to 2032, Finance lease liability 0.2 contai
Slide 28: Q4 2024 and YTD 2024 Reconciliation
SUPPLEMENTAL FINANCIAL INFORMATION CONT'D Q4 2024 reconciliation Q4-2024 GAAP Diluted EPS Operating income Operating Margin ( Per share) (In millions) ( Percentage) As reported in 8K* $ (1.57) $ (36.7) (6.9)% Out-of-period adjustments related to periods prior to 2024 (0.50) (12.3) (2.3)% Out-of-peri
Slide 29: Non-GAAP EPS Reconciliation
SUPPLEMENTAL FINANCIAL INFORMATION CONT'D Non-GAAP EPS reconciliation Note: Total will not always foot due to rounding. Q4-24 Q4-24 YTD-24 YTD-24 As Reported* Actual* As Reported* Actual* * As reported is based on Q4 and FY 2024 result published on January 28, 2025. Actual is based on the GAAP dilut
Slide 30: Non-GAAP EPS Reconciliation Q1-25
SUPPLEMENTAL FINANCIAL INFORMATION CONT'D Non-GAAP EPS reconciliation Q1-25 GAAP diluted EPS $ 1.75 EPS impact of Non-GAAP adjustments (below) 0.44 Adjusted diluted EPS $ 2.19 Non-GAAP adjustments - (income) / expense ( in millions) Q1-25 Acquisition-related and integration costs (a) $ 0.1 Purchase