D&B Schedules Second Quarter 2005 Earnings Release and Investor Teleconference.

SHORT HILLS, N.J. -- D&B (NYSE: DNB), the leading provider of global business information, tools, and insight today announced that second quarter 2005 results are scheduled to be released after the U.S. financial markets close on Wednesday, July 27, 2005. A copy of the release will be posted on D&B's Web site at www.dnb.com.

A teleconference with investors is scheduled for Thursday, July 28, 2005 at 10:00 a.m. (Eastern Time). Steven Alesio, chairman, CEO and president of D&B, will host the call. Mr. Alesio's remarks will be followed by a question-and-answer period.

A live webcast of the call can be accessed on the Company's Investor Relations Web site at http://investor.dnb.com. A replay will be available after the conclusion of the live webcast.

Should you have any questions, please contact D&B Investor Relations at 973-921-5986.

About D&B

D&B (NYSE: DNB), the leading provider of global business information, tools, and insight, has enabled customers to Decide with Confidence for over 160 years. D&B's proprietary DUNSRight (TM) quality process provides customers with quality information whenever and wherever they need it. This quality information is the foundation of D&B's solutions that customers rely on to make critical business decisions. Customers use D&B Risk Management Solutions to mitigate risk, increase cash flow and drive increased profitability; D&B Sales & Marketing Solutions to increase revenue from new and existing customers; and D&B Supply Management Solutions to identify purchasing savings, manage risk and ensure compliance within the supply base. D&B's E-Business Solutions help customers convert prospects into clients faster. For more information, please visit www.dnb.com.