Concord, Mass., 20 September 2006 (OMAHA, NE)—infoUSA (NASDAQ: IUSA), the leading provider of proprietary business and consumer databases and sales leads, today announced OneSource, an infoUSA company, and leading provider of the most comprehensive, global business information announced today, coverage of an additional two million small to medium sized UK companies and four million of their executives. This enhanced content further strengthens the breadth of OneSource's company profiles and is now available within OneSource's UK Business Browser.

According to recent research from the Department of Trade and Industry*, the Small to Medium Sized Enterprise (SME) market employs 58.5% of the UK workforce and generates over half of the sales of all companies in the country. Having identified this as a significant market opportunity, OneSource is at the forefront of helping UK businesses target prospects in this rapidly growing market.

“The increased coverage of OneSource's UK company information is a reflection of our commitment to providing customers with comprehensive global business information," said Phil Garlick, President of OneSource Information Services, Inc. "As a result we are pleased to provide our customers access to a significant UK market segment."

As part of the UK data expansion of Business Browser, customers now gain access to 1.4 million actively trading companies and over 500,000 new businesses yet to file accounts. The new information includes director profiles, 3 years of financials, gazette codes, mortgage, auditor and banking data to assist companies in evaluating new business partners, customers and suppliers.

ENDS.

About OneSource Information Services, Inc.
OneSource, an infoUSA company, delivers products and services to support a company's sales and marketing efforts including serving customers better, identifying and leveraging new sales opportunities, and creating stronger marketing campaigns.   OneSource combines and organizes content from over 2,500 information sources supplied by more than 35 world-class content providers, creating an unequalled business information resource encompassing company profiles, corporate families, industries, executives, financials, news, analyst reports, and trade and business press articles.

OneSource is headquartered in Concord, MA, with offices located in North America, Europe, and the Pacific Rim. Product information is available at www.onesource.com . Customers include JP Morgan Chase, Chubb, Citigroup, Deloitte & Touche, i2 Technologies, Orange, SAS Institute, and Sun Microsystems.

About infoUSA
infoUSA (www.infoUSA.com), founded in 1972, is the leading provider of business and consumer information products, database marketing services, data processing services and sales and marketing solutions. Content is the essential ingredient in every marketing program, and infoUSA has the most comprehensive data in the industry, and is the only company to own a proprietary database of 250 million consumers and 14 million businesses under one roof. The infoUSA database powers the directory services of the top Internet traffic-generating sites, including Yahoo! (Nasdaq:YHOO - news) and America Online (NYSE:TWX). Nearly 3 million customers use infoUSA's products and services to find new customers, grow their sales, and for other direct marketing, telemarketing, customer analysis and credit reference purposes. infoUSA headquarters are located at 5711 S. 86th Circle, Omaha, NE 68127 and can be contacted at (402) 593-4500.

Note to editors: For further information please contact:

Lillian Flores
OneSource Information Services
978-318-4334
lillian_flores@onesource.com