GDT Provides Data Foundation For ESRI's Business Information Solutions Group.

Business Editors

ESRI User Conference

Geographic Data Technology, Inc. (Lebanon, NH), a developer of premier map databases, today announced that GDT's street, address and postal information will provide the geographic foundation for the demographic products and services from

ESRI will use GDT's Dynamap/2000(R), Dynamap(R)/5-Digit ZIP Codes, and Dynamap(R)/Carrier Routes to create demographic reports, maps, updates and forecasts. The agreement will also allow ESRI BIS customers to license any GDT product to support the geodemographic analysis provided by ESRI BIS products and services.

GDT's street and address databases provide complete and comprehensive coverage for the U.S. and Canada with up-to-date census and postal information. GDT is the only geographic data provider to offer the necessary information to link postal addresses and census information, a correlation that is critical to customers performing geodemographic analysis.

The ESRI BIS group, created in January after ESRI's acquisition of a division of CACI Corporation - the Marketing Systems Group, serves private sector and business customers with demographic data, segmentation, desktop software, and modeling and analysis products and services.

"GDT's map data, combined with our demographic data and expertise in customer targeting applications will provide unmatched marketing information solutions for ESRI BIS clients," said David Huffman, ESRI BIS managing director. "GDT's geocoding superiority and data excellence allow us to meet the quality expectations of our clients."

"GDT has provided the geographic information necessary for demographic analysis throughout its history," said John Cassidy, GIS market director for GDT. "Our understanding of the data requirements for geodemographic applications along with our longstanding partnership with ESRI allow us to provide information critical for the support of ESRI BIS clients."

About GDT

Geographic Data Technology, Inc. is the premier developer of map databases that provide the foundation for location-based applications. With more than 20 years experience in data management and compilation, GDT excels at bringing together a myriad of data resources to create spatial products and services that help businesses and consumers manage, understand and analyze geographic relationships. GDT provides cartographic data to major GIS vendors and is the data provider for leading software and web mapping programs. GDT data is used for routing, web mapping, emergency response, site selection, risk analysis, facilities management, and a host of other applications. With a focus on nationwide coverage, GDT offers customers complete, current and comprehensive geographic products for North America, Brazil and Argentina. GDT employs more than 500 people at its Lebanon, NH headquarters. For more information, visit the GDT web site at www.geographic.com.

Dynamap and Dynamap/2000 are registered trademarks of GDT. All other products or product names are trademarks or registered trademarks of their respective users.