environmental • failure analysis & prevention • health • technology development

1. environmental • failure analysis & prevention • health • technology development Firm Overview March, 2008 A leading engineering & scientific consulting firm dedicated to helping our clients solve their technical problems.

2. Exponent Video (90 seconds -- Will not be seen on webcast)

3. Who We Are • Professional services firm • Engineering & scientific consulting • 600+ consulting and technical staff • Best known for analyzing accidents & failures • Revenues of $205M (ttm) Mission Statement Exponent is a multi-disciplinary consulting firm dedicated to solving important science, engineering and business problems for clients

4. Major Clients Corporations Law Firms Associations Government

5. Exponent’s Value Proposition • Solve high exposure problems • Multi-disciplinary capabilities • Innovative solutions • World class talent • Extensive experience • Rapid response • Geographic coverage

6. Statistical &Data Sciences Human Factors Biomechanics Visual Communication Vehicle Technology Development Electrical &Semiconductors Thermal Sciences Epidemiology Mechanics &Materials Toxicology ExposureAssessment IndustrialStructures Public Health & IH Buildings &Structures Chemical Regulation& Food Safety Civil EcoSciences ConstructionConsulting Environmental

7. Consulting Staff Masters33% Doctorates50% Bachelors17%

8. Exponent Offices Seattle • Boston: • Maynard • Natick • Winchester Denver Detroit Chicago New York Philadelphia • San Francisco Bay Area: • Menlo Park • Oakland • Washington, DC: • Alexandria • Bowie • Washington DC • Southern California: • Irvine • Los Angeles • San Diego Phoenix Houston Miami Hangzhou Düsseldorf Harrogate

9. Growth Opportunities • Health Consulting • Construction Consulting • Product Design Consulting • Energy Consulting • Defense Technology Development

10. Why Health? • Big exposures • Same clients • No major competitors • Synergy with environmental & engineering practices

11. HealthFood & Chemical Safety Pesticide Registrations Product Contamination Potential Carcinogens

12. Why Construction Consulting? • Big exposures • Almost every capital project has disputes • Engineering expertise differentiates service offering • SOX has competitors in flux, talent available

13. Construction Consulting Disputes Delays and Cost Overruns

14. Why Product Design Consulting? • Niche is one of solving very difficult problems • New service offering to existing clients • Leverages Exponent’s failure experience • Superior talent is a competitive advantage

15. Product Design ConsultingMedical Devices Design Support for Implants

16. Product Design Consulting Portable Power Li-Ion Battery Control Circuitry & Testing

17. Why Energy? • Huge market opportunity • Potential for rapid growth • Growing demand for high-end talent • Leverages our multi-disciplinary capabilities

18. EnergyLNG Environmental Concerns & Efficiency Safety Concerns

19. EnergyNuclear Power Technical and Financial Risk Management

20. EnergyElectric Power Technical and Management Advisory

21. Why Defense Technology Development? • Big market opportunity • Potential for rapid growth • Leverages our multi-disciplinary capabilities • New paradigm

22. The Marcbot Is Saving Lives

23. Rapid Deployment Integrated Surveillance SystemREF – Support in Iraq

24. Financial Review:Quarterly Revenues ($ millions) ‘03 ‘04 ’05 ’06 ‘07 Q2 ’03 ’04 ’05 ’06 ‘07 Q3 ’03 ’04 ’05 ’06 ‘07 Q4 ’03 ’04 ’05 ’06 ‘07 Q1

25. Financial Review:Quarterly EPS ’03 ’04 ’05 ’06 ‘07 Q2 ’03 ’04 ’05 ’06 ‘07 Q3 ’03 ’04 ’05 ’06 ‘07 Q4 ‘03 ’04 ’05 ’06 ‘07 Q1 Historical EPS adjusted for stock split

26. Financial Review:Fiscal Year Comparison % calculated on actual $

27. Financial Review:Fiscal Year EBITDAS % calculated on actual $

28. Financial Review:Balance Sheet Comparison % calculated on actual $

29. Summary • Strong market position • Long standing blue chip clients • Top caliber talent • Solid financial performance • Strong balance sheet • Excellent growth opportunities