Intergraph Expands Agreement with Pennsylvania Department of Transportation

Government, Transportation Expertise Among Company’s Strengths.

HUNTSVILLE, Ala., Nov. 29, 2005 – Intergraph Corporation today announced it has signed a five-year, $4.9 million contract with the Pennsylvania Department of Transportation Bureau of Design to provide information technology support services. This new contract represents a significant expansion of the existing agreement between the department and Intergraph.

Under the terms of the new agreement, Intergraph will provide on-site support to resolve hardware and software issues, assist end users, deploy new technology and provide engineering support for the Bureau of Design’s IT infrastructure.

“Intergraph has a rich history of providing world-class IT support to federal, state and local governmental agencies,” said Steve Powers, executive manager of Intergraph IT Services. “Our experience is especially deep among state departments of transportation, and our knowledge of transportation-specific applications is extensive.”

Intergraph provides similar IT support to other state departments of transportation in Alabama, Hawaii, Louisiana, Michigan and North Carolina, as well as other local government clients such as the New York City Housing Authority.

“We are certified by the Help Desk Institute (HDI),” Powers said, “and our client satisfaction ratings are consistently above 90 percent. The Intergraph support team is committed to assisting our clients, and to providing unparalleled support to our clients so that they may continue to be successful in their work.”

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/.

About Pennsylvania DOT Bureau of Design
The Pennsylvania Department of Transportation Bureau of Design develops bridge and highway design policy and criteria, and then bids and awards these projects. With headquarters in Harrisburg, Pa., the Bureau of Design also provides information technology to support and automate the department’s design functions. For more information, visit http://www.dot.state.pa.us.

© 2005 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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