Intergraph Selected By Bateman Engineering

Bateman Replaces AVEVA PDMS with Intergraph’s SmartPlant Enterprise

HUNTSVILLE, Ala., March 21, 2006 – Intergraph Corporation today announced that Bateman Engineering N.V. (Bateman) has chosen to standardize on Intergraph’s SmartPlant® Enterprise to replace its existing AVEVA PDMS design tool. The agreement, made through Intergraph distributor Intergraph Systems Southern Africa (Pty) Ltd., will form the foundation for a more data-centric and integrated plant design modeling environment.

“Bateman sees the investment in Intergraph’s SmartPlant Enterprise technologies as a means of deriving greater value from engineering design data while improving productivity and data integrity, which will differentiate us from our competitors,” said Frik van der Spuy, general manager engineering, Bateman N.V. “Intergraph technology will enable Bateman to further increase the quality and competitiveness of the services we offer to our customers.”

Gerhard Sallinger, president of Intergraph’s Process, Power & Marine division, said, “Visionary companies such as Bateman are rapidly adopting the Intergraph SmartPlant Enterprise platform. Through sustained investment in research and development, Intergraph has pioneered tools that enable greater integration across engineering functions. This enhanced integration presents considerable potential for productivity gains, cost savings and reduction in schedule – factors that make a compelling proposition for companies, like Bateman, which operate in a competitive and cost-sensitive market.”

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 www.intergraph.com.

About Bateman Engineering N.V.

Bateman Engineering N.V. (Bateman) is a technologically driven engineering-project house serving the minerals and metals industries worldwide, covering mining, minerals and metals processing, ferroalloys, mineral salts, environmental protection, bulk-materials handling and water and effluent treatment. It also serves the power and energy markets in Southern Africa. For more information, visit www.batemanengineering.com.

© 2006 Intergraph Corporation. All rights reserved. Intergraph, the Intergraph logo, and SmartPlant 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. Software and services prices, availability, functions, features and specifications subject to change without notice and are subject to United States export control laws and regulations. This news release contains forward-looking statements regarding future events subject to certain risks and uncertainties of Intergraph Corporation which are discussed in the company’s Form 10K filed with the SEC. Copies available upon request to Shareholder Relations, Intergraph Corporation, Huntsville, Ala. 35894 USA.

Contact Information

Allison Lowery Pullen

Corporate Communications

Intergraph Corporation

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