Company Overview Experienced , Reliable, Proven

1. Company Overview Experienced, Reliable, Proven • Meteorlogix is weather brand of DTN • Providing weather forecasting services since 1947 • World’s largest commercial weather services provider • 700 employees with over 150 meteorologists and software developers • Currently support over 20,000 business and government clients • State-of-the-art computer operations center • 24/7/365 Meteorological Operations for expert consultations

2. Commitment to TransportationTrusted, Focused, Technology Leader • Over 2,000 existing Transportation clients • More than 40 State DOTs use Meteorlogix weather • Specialized services for municipalities and Rest Areas • Providing access to state-of-the-art technology • Advanced Weather Forecasting System • MDSS new capabilities in association with NCAR and FHWA • RWIS integration and deployment in conjunction with FSL • Geospatial weather alerting services utilizing ESRI GIS technology • ITS and 511-Meteorlogix selected for national model 511 deployment

3. MeteorlogixAdvanced Weather Forecast System • Accurate Weather Forecasts • NCAR high-resolution models (ensemble) • Hourly updates • Self-learning, error-correction • Meteorologist enhanced data • Verification of accuracy • Accurate Pavement Forecasts • Accurate weather forecasts are key to accurate pavement forecasts • SNTHERM-RT Model (MDSS Certified) • Hourly updates • Verification of accuracy

4. DEMO

5. MDSS Evaluation ProgramPut Meteorlogix To The Test!! • Winter Season ’05 -’06 (Nov. – Apr) • Evaluate forecast accuracy, reliability and ease of use • Use RoadCast to fill in non-RWIS supported sites • Program Package includes: • 15 Seats of WeatherSentry • Mobile Alerting • RoadCast (3 Forecast Points) • Training and Support • Forecast Verification Report • Easy to implement

6. Experienced, Accurate, Reliable, Proven