Intergraph Announces Geospatial Innovations for Transportation Award Winners

Intergraph Recognizes Achievements of Ohio and South Carolina Departments of Transportation

HUNTSVILLE, Ala., March 28, 2006 – Intergraph Corporation today announced that the Ohio Department of Transportation and the South Carolina Department of Transportation are the recipients of its annual Geospatial Innovations for Transportation Award. The awards, Intergraph Security, Government & Infrastructure’s highest honor bestowed on the transportation industry, were presented at the 19th annual GIS for Transportation Symposium (GIS-T) in Columbus, Ohio.

“Both of these organizations have implemented truly enterprisewide systems that use the power of Intergraph’s industry leading linear referencing capabilities to integrate many types of business data to streamline their business processes,” said Peter Batty, vice president and chief technology officer, Intergraph. “We are pleased to present the Ohio Department of Transportation and the South Carolina Department of Transportation with these awards.”

While at GIS-T, Intergraph will showcase its geospatial solutions for the transportation industry, designed to increase productivity and improve daily decision making and management processes. These solutions include multi-level temporal linear referencing, sophisticated Web Services capabilities such as straight line diagrams (SLD), integration with geospatial explorers such as Google™ Earth and Intergraph’s TerraShare® technology for enterprise image management.

For more information on Intergraph’s solutions for the transportation industry, visit www.intergraph.com. For more information on the 19th annual GIS-T Symposium, visit www.gis-t.org.

About Intergraph

Intergraph Corporation (NASDAQ: INGR) is the leading global provider of spatial information management (SIM) software. Security organizations, businesses and governments in more than 60 countries rely on the company’s spatial technology and services to make better and faster operational decisions. Intergraph’s customers organize vast amounts of complex data into understandable visual representations, creating intelligent maps, managing assets, building and operating better plants and ships, and protecting critical infrastructure and millions of people around the world. For more information, visit http://www.intergraph.com/.

© 2006 Intergraph Corporation. All rights reserved. Intergraph and the Intergraph logo are trademarks or registered trademarks of Intergraph Corporation or its subsidiaries in the United States and in other countries. Other brands and product names are trademarks of their respective owners.

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Allison Lowery Pullen

Corporate Communications

Intergraph Corporation

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