R. Halsey Wise, President and CEO of Intergraph Corporation, and Chairman Sidney L. McDonald,
Ring The NASDAQ Stock Market Opening Bell

Thursday, April 20, 2006
at NASDAQ's MarketSite
in New York City.

Intergraph Corporation [INGR]

R. Halsey Wise, President and CEO of Intergraph Corporation, and Chairman Sidney L. McDonald, preside over the opening bell to celebrate the company's 25th anniversary on the NASDAQ.

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.

Click for larger pictures of the NASDAQ MarketSite. Additional Photographs for 4/20/2006 Download Hi-Res Quality Photo of this NASDAQ Market Open - Pictured: R. Halsey Wise, President and CEO of Intergraph Corporation, rings the Opening Bell These photos are Copyright 2006, The Nasdaq Stock Market Inc. and available for re-publication by the news media only. Any commercial use is strictly prohibited without the prior written consent of The Nasdaq Stock Market Inc. © Copyright 2006, The NASDAQ Stock Market, Inc. Reprinted with the permission of The Nasdaq Stock Market, Inc.