Intergraph Introduces SmartPlant Layout for Preliminary 3D Plant Layout

New Technology Helps Save Time, Improve Design Quality and Ensure Consistency

HUNTSVILLE, Ala., January 23, 2006 – Intergraph Corporation today introduced SmartPlant Layout for preliminary 3D plant layout, including proposal development, early design estimates and plant layout optimization. Based on Intergraph’s next-generation 3D design solution, SmartPlant® 3D, SmartPlant Layout is another extension of the SmartPlant Enterprise suite through the addition of tools for automatic pipe routing, layout case management and interface cost estimation.

SmartPlant Layout enables preliminary designs to be reused by carrying forward initial layouts into detailed design without additional remodeling – saving time and improving design quality. Because SmartPlant Layout is built on SmartPlant 3D architecture, software administrative burden is significantly reduced in comparison to using standalone early design software. SmartPlant Layout significantly streamlines the preliminary layout design process, and including selected SmartPlant 3D equipment, piping, structure and space management commands.

“SmartPlant Layout will dramatically improve plant engineering, design and proposal development,” said Gerhard Sallinger, president, Intergraph Process, Power & Marine. “Eliminating the need for remodeling increases project productivity and quality throughout the design and engineering process.”

During Beta evaluations of SmartPlant Layout by a number of industry leading EPC customers over the past year, SmartPlant Layout used with SmartPlant 3D for detailed design eliminated up to 90 percent of the remodeling normally required when transitioning from preliminary design applications and formats to detailed design. By using SmartPlant Layout in conjunction with SmartPlant 3D, the preliminary design simply evolves into a more comprehensive, detailed design. This saves engineering time and improves overall plant layout quality.

SmartPlant Layout supports the industry’s leading commercial databases, Oracle and Microsoft SQL Server, enabling it to be deployed in full compliance with clients’ corporate database standards. Since SmartPlant Layout is based on SmartPlant 3D technology, customers who use both products today realize significant savings through elimination of administration overheads, reference data management and training burdens.

SmartPlant Layout is an integral part of Intergraph’s suite of SmartPlant Enterprise products, which provide advanced design and engineering functionality, usability and work process improvement for real business benefit to cut schedules, boost productivity and increase engineering quality. The benefits of the SmartPlant Enterprise have enhanced plant design and engineering with breakthroughs in operational excellence and safety, profitability and protection of knowledge assets.

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.

© 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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