ERA’s 45 th Management & Marketing Conference

1. ERA’s 45th Management & Marketing Conference • Gordon Hunter • Chairman of the Board of Directors, President and Chief Executive Officer

2. Agenda • World economy is growing • Today’s electronics industry is healthy • North America continues to lead the world in design • Circuit protection and focus segments • Rep, Distributor, and Manufacturer cooperating to provide customer value.

3. U.S. Continues to Be the Largest Economy in the World Source: International Monetary Fund

4. Emerging Economies Continue to Grow Faster than Industrialized Nations GDP Growth Trends Sources: Henderson Electronic Market Forecast, April 2011, OECD, IMF, UN, World Bank

5. World Population Growth is in Decline F= Forecast Source(s): United Nations, World Population Prospects, 2010 Revision

6. A Shrinking U.S. Labor Force Will Continue to Increase Importance of Talent U.S. Population aged 15-64, Percent of Total Population F= Forecast Source(s): United Nations, World Population Prospects, 2010 Revision

7. U.S. College Educated Workforce Continues at Full Employment …As Well as Less Educated Workers Source: U.S. Bureau of Labor Statistics

8. Agenda • World economy is growing • Today’s electronics industry is healthy • North America continues to lead the world in design • Circuit protection and focus segments • Rep, Distributor, and Manufacturer cooperating to provide customer value.

9. World Electronic Equipment Trend is Healthy and Continues Upward Source: Custer Consulting

10. Global Electronics Market Growth Drives Increased Demand for Electronic Components Global Semiconductor Market $460 500 80 $66 $300 $45 300 Sales ($ Billions) Sales ($ Billions) $35.5 $227 $34 $204 40 Global Connector Market 0 0 2000 2005 2010 2015 2000 2005 2010 2015 Source: WSTS and IC Insights Source: Bishop Marketing

11. Electronics Industry Growth Drivers • Electronics are pervasive • Multiple end markets drive our business • On-demand and mobile trends • Electronics are increasingly affordable • Aging and growing population • Energy policy is favorable to the electronics industry U.S. Population aged 60+, Percent of Total Population 2010 PC Penetration 2015 PC Penetration 30 100% 100% NORTH AMERICA 4 NFL Tickets 42” Flat Screen TV E. EUROPE 80% 80% Percent 15 W. EUROPE BRAZIL 60% 60% JAPAN CHINA 40% 40% 0 E. EUROPE M. EAST 1950 2011 20% M. EAST 20% 2050 (F) BRAZIL INDIA • Electronics are increasingly affordable 0% CHINA 0% INDIA 50 45 40 35 30 25 20 15 10 5 0 50 45 40 35 30 25 20 15 10 5 0 Weeks of Income to Purchase a Notebook PC Sources: WOI to buy NB PC - Market Sizing & Forecasting (MS&F) Installed PCs – Market Sizing & Forecasting (MS&F) Population by GEO - Economist Intelligence Unit (EIU) Weeks of Income to Purchase a Notebook PC $5000 $180 2000 $320 $600 2010 F= Forecast Source(s): United Nations, World Population Prospects, 2010 Revision

12. Agenda • World economy is growing • Today’s electronics industry is healthy • North America continues to lead the world in design • Circuit protection and focus segments • Rep, Distributor, and Manufacturer cooperating to provide customer value.

13. Industry Job Creation 2003-2008 Reveals Increased Activity in Industrial, Energy, Medical, Aerospace & Military, Telecom and IT “The Emerging Epicenters of High Tech Industry” Sources: Michael E. Porter, Cluster Mapping Project, Institute for Strategy and Competitiveness, Harvard Business School, Wired Magazine

14. Clear Evidence of North American Design Leadership • Design engineering activity continues to be strong • Engineering touch—over 500,000 engineers • N.A. continues to be number one in patent grants • N.A. drives ~40% of global semiconductor TAM$ North American Patent Grants 754 800 730 607 $1.4 Patent Grants (Thousands) 400 $0.45 0 1995-1999 2000-2004 2005-2009 Sources: Sources: EDN and Littelfuse Research Sources: World Intellectual Property Organization Statistics Database, January 2011 Source: WSTS and Littelfuse Estimates

15. Agenda • World economy is growing • Today’s electronics industry is healthy • North America continues to lead the world in design • Circuit protection and focus segments • Rep, Distributor, and Manufacturer cooperating to provide customer value.

16. Threats to Electrical Circuits Require Semiconductor, Fuse, Ceramic and Polymer Technologies Overcurrent Threats Overvoltage Threats Ceramic, Polymer & Other Semiconductor ESD Protection Power Cross Overloads & Short Circuits Lightning Protection Fuse Source: Littelfuse Estimates

17. Circuit Protection Market Expected to Grow with Significant N.A. Design Influence Global Circuit Protection Market $4.0 4 $3.2 $2.6 $2.4 2 Sales ($ Billions) 0 2000 2005 2010 2015 Source: Littelfuse Estimates

18. Growing Market Segments

19. Agenda • World economy is growing • Today’s electronics industry is healthy • North America continues to lead the world in design • Circuit protection and focus segments • Rep, Distributor, and Manufacturer cooperating to provide customer value.

20. Importance of Reps • Value of open, critical feedback about best-in-class manufacturer practices • Reps are entrepreneurs • Our territory experts • Rep firms are an extension of the manufacturer

21. Striving for Best-in-Class Practices • Sales process efficiency importance • ECIA and ERA as forums for best-practices sharing

22. Summary • Long term future is bright despite near term trends. • Focus on providing value to growth segments. • The constant treadmill is a leading indicator of the future and a daily reminder that we have to stay healthy but also work smarter.

23. Thank You