infoUSA's OneSource and Salesforce.com Deliver Integrated Account Intelligence Solution

Tight integration between OneSource and Salesforce showcases The Business Web at work

OneSource Account Intelligence, now available on the AppExchange, is sold and supported directly by salesforce.com

CONCORD, Mass., March 28, 2006 — OneSource Information Services, Inc., an infoUSA (NASDAQ: IUSA) company, and salesforce.com (NYSE: CRM), the technology and market leader in on-demand customer relationship management (CRM), today announced an alliance to offer the OneSource Account Intelligence product to salesforce.com customers worldwide. Now available on the AppExchange, the Account Intelligence solution embeds OneSource's comprehensive and timely business information directly within salesforce.com's award-winning CRM. The product, which will be offered to customers by both salesforce.com and OneSource, helps sales professionals close more business by providing them with comprehensive company profiles, executive contacts, industry information, financial data, corporate family trees and up-to-date news on new prospects and key accounts.

"This strategic offering from OneSource and salesforce.com combines comprehensive business content with world-class CRM for the leading integrated solution of its kind in the marketplace," said Phil Garlick, President, OneSource. "OneSource has delivered this offering on the AppExchange to fully embrace the next generation of on-demand computing standards."

"We manage all of our sales activities within Salesforce. By integrating OneSource business information directly within our CRM system, we have significantly streamlined the prospect research and account planning processes," said Jeff Dean, Inside Sales Manager, DecisionOne. "We can identify new opportunities, get up speed on new accounts, and connect with decision-makers faster because all of the information we need—business descriptions, corporate hierarchies, financials, executive contacts, and news—is available through the one tool we use every day."

Account Intelligence provides sales professionals with instant access to the tools they need to become more strategic and informed when engaging a prospect or account. It also delivers clean data for executives to make better business decisions through trusted insight and analysis.

"Trusted business information and data quality are among our customers' top concerns," said Bobby Napiltonia, senior vice president, channels and alliances, salesforce.com. "OneSource has shown that they can meet our customers' needs for deep and broad company, executive, and industry information. The tight integration between OneSource and Salesforce is an excellent example of The Business Web at work."

The Account Intelligence product is available on a global basis from both companies, and is owned, maintained and updated by OneSource. Available on the AppExchange today, salesforce.com will also offer the solution on a reseller basis and provide the first line of customer support. Account Intelligence can be found on the AppExchange at: http://www.salesforce.com/appexchange/detail_overview.jsp?NavCode__c=MF1e&id=a0330000000LIniAAG

OneSource Account Intelligence for AppExchange is one of more than 180 applications created by salesforce.com, its customers and partners that are now available on the salesforce.com AppExchange, the world's first on-demand application platform. AppExchange provides unprecedented ease of customization and integration for Salesforce deployments, as well as enabling a whole new generation of on-demand applications that go beyond CRM. AppExchange enables all of these on-demand applications to be easily shared, exchanged and installed with one click into any salesforce.com account. AppExchange can be found at http://www.salesforce.com/appexchange.

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 Bank One, 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. 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. To know more about Sales Leads, click www.infousa.com. To get a 7-day free trial and 100 free sales leads, click www.salesgenie.com.

OneSource, Business Browser, AppLink, Synergy, Catalyst, Global Business Taxonomy, and/or other OneSource product and service names referenced herein are either trademarks or service marks or registered trademarks or service marks of OneSource Information Services, Inc. or its subsidiaries in the United States and/or other countries. All other product and service names mentioned herein are trademarks or service marks of their respective owners.

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 Bank One, 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. 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. To know more about Sales Leads, click www.infousa.com. To get a 7-day free trial and 100 free sales leads, click www.salesgenie.com.

OneSource, Business Browser, AppLink, Synergy, Catalyst, Global Business Taxonomy, and/or other OneSource product and service names referenced herein are either trademarks or service marks or registered trademarks or service marks of OneSource Information Services, Inc. or its subsidiaries in the United States and/or other countries. All other product and service names mentioned herein are trademarks or service marks of their respective owners.